VLBA MAIN SERIES MEMOS -------------------------------------------------------------------------------------------------------------------- Memo # Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 1a main Kellermann VLBA Design Study 8005 2 main Findlay Antennas for the VLBI 8006 3 main Wong 25-m Radio Telescope Design 8007 4 main Cotton VLBI Array Computer Usage 8007 4a main Cotton VLBI Array Computer Usage 8007 5 main Clark Sensitivity-Partly Coherent Array 6 main Balister VLBI Cost Estimates 8004 7 main Balister Proposed Receiver - VLBI 8 main Wong Cost Estimate-Wong Antenna 8008 9 main Wong Balsa-Wood-Core Test Plts. 8007 10 main Kellermann Notes on Visit to ASULAB 8007 11 main Weinreb Digital Data Transmission System 8007 12 main Horne VLBA Design Study 8008 13 main Peery Site Development Program 8008 14 main Kellermann Antenna Construction Program 8008 15 main Wong Antenna Design Details 8007 16 main Balister Masers and VLBI Array 8008 17 main Thompson VLB Array 8008 18 main Cotton Computer Usage 8008 Cotton Computer Usage 8008 19 main Walker Computer Needs 20 main Hvatum Construction Plan 8008 21 main Shalloway Prelim. VLA Spectral Line 22 main Napier Possible Feed System-VLBA Antenna 8008 23 main Swenson Alternative Data Communication 24 main Swenson Automatic VLBI Observing 25 main Schwab Self-Calibration with Low SNR 8006 26 main Balister VLBA Receiver 8105 27 main Kellermann Size of Antenna Elements 8107 28 main Kellermann Tape Recording Systems 8107 29 main Kellermann Multiple Processor Sites 8107 30 main Clark Single Carrier Satellite LO Sys 8108 31 main Kellermann Questions to be Addressed 8110 32 main Kellermann Planning Committee 8110 33 main Kellermann VLBA Working Groups 8110 34 main Kellermann VLB Array 8110 35 main Kellermann Questions to be Considered 8110 36 main Hvatum Distribution List 8111 37 main Hvatum VLBA Proposal 8111 38 main Hjellming Critique of 2/81 Design 8111 -------------------------------------------------------------------------------------------------------------------- Memo Cross Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 39 main Clark Remarks on VLBA Report 8111 40 main Kellermann Report-11/16/81 VLBA Meeting 8111 41 main Kellermann Possible Array Funding Plan 8111 42 main Clark Correlator 8112 43 main Kellermann Dec. 18, 1981 Meeting 8112 44 main Escoffier Recording Systems 8112 45 main Kellermann Dec. 18 Meeting Notes 8112 46 main Walker Draft of Configuration Section 8112 47 main Walker Data Storage Requirements 8112 48 main Moore Receiver Block Diagram 8201 49 main Linfield Studies-Array Dynamic Ranges 8112 50 main Horne Cost Estimate Antennas 8112 51 main Weinreb Monitor and Control Chapter 8201 52 main Balister Front End System 8201 53 main Thompson Suggested #'s of Spare Modules 8201 54 main Kellermann Agenda, Meeting 1/26/82 8201 55 main Mauzy Hardware Cost Estimate-Receiver 8201 56 main Escoffier Recording System - Draft #2 8201 57 main Lacasse Data Digitization Electronics 8201 58 main Moore Front End Alternatives 8201 58A main Moore Front End System 8206 59 main Napier Feed System 8201 60 main Lacasse Alternative Data Digitization 8201 61 main Clark Playback Correlator System 8201 62 main Weinreb Local Oscillator System 8201 63 main Moore Front End System-Comments 8201 64 main Escoffier Recording System-Draft #3 8201 65 main Moore H-Maser Cost Estimate 8201 66 main Lacasse General & Digital Test Equipment 8201 67 main Kellermann Prel.Cost Summary-Construction 8201 68 main Clark Correlator Cost 8201 69 main Kellermann Spare Parts 8202 70 main Kellermann Agenda 2/9/82 Meeting 8202 71 main Kellermann Cost Estimates-Construction #1 8202 72 main Ekers Post Processing Requirements 8202 73 main Ewing Correlator Design 8202 74 main Kellermann Cost Estimates-Construction #2 8202 75 main Clark Correlator System-Condensed Vers 8202 76 main Rogers S/X Receivers & Record System 8202 77 main Moore Comments-Local Oscillator System 8202 78 main Escoffier Recording System Draft #4 8202 --------------------------------------------------------------------------------------------------------------------- Memo # Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 78A main Escoffier Array Record System 8206 79 main Kellermann Notes on CC Meeting, 2/16/82 8203 80 main Campbell VLBA Element Operating Prob 8203 81 main Thompson Frequency Protection for TC RT 8203 82 main Schwab Global Fringe Search Techniques 8204 82A main Schwab Errata: Memo No. 82 8204 82B main Schwab Global Frequency Search Tech 8206 83 main Kellermann April 19 Meeting-Proposal Review 8204 84 main Mutel Design Study for VLBA 8205 85 main Kellermann Notice of 5/17 Meeting 8205 86 main Napier Building Costs-Soc. & Albu. 8205 87 main Bajaja Argentina Telescope 8204 88 main Kellermann Ball System Mobile Ant. Element 8206 89 main Walker What Next? 8206 90 main Kellermann Technical Memoranda and Reports 8206 91 main Robinson National New Technology Telescope 8203 92 main Hvatum Construction Plan/Schedule 8206 93 main Lacasse Data Digit. Electronics Draft #2 8206 94 main Retallack Self-Maintenanance-VLA Computers 8204 95 main Cotton Computer Usage:Fringe Fit 8206 96 main Simon Array Dynamic Ranges 8007 97 main Walker Transfer Functions-VLBI Arrays 8206 98 main Ekers Post-Processing Computer Config. 8206 99 main Peery Things to Consider-Sites 101 main Escoffier Block Diagram Correlator 8207 102 main Ewing Correlator Design Group Meeting 8207 103 main Hvatum Preliminary VLBA Planning Groups 8207 104 main Hvatum Schedule-Processor Group Meetings 8207 105 main Schwab Progress Report-Meeting-Config. 8207 106 main Benson Dirty Beam Maps-Configurations 8207 107 main Balister Electronics Group Meeting 8208 108 main Hvatum Data Recording Group Meeting 8208 109 main Hvatum Telephone #-Processor Group 8208 110 main Ewing VLBA Overall Data Flow 8208 111 main Rogers Number of Channels-2 Schemes 8208 112 main Rogers New Bit Shift Corrections 8208 113 main Balister Minutes-Electronic Group Mtg 8208 114 main Ewing Minutes-Correlator Group Meeting 8208 115 main Rogers Minutes-Recorder Group Meeting 8208 116 main Burns Minutes-Computer Group Meeting 8208 -------------------------------------------------------------------------------------------------------------------- Memo# Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 117 main Peterson VLSI for Multi-Lag CCC 8208 118 main Peterson Application-VLSI Correlator Chip 8208 119 main Hvatum Minutes-CC Meeting 8/13/82 8208 120 main Clark Frequency Multiplexed Correlators 8208 121 main Clark Data System Block Diagram 8208 122 main Hvatum Australian Telescope 8209 123 main Peery Telescope Sites 8208 124 main Mutel Ten Station Array Geometries 8209 125 main Shaffer Astrometric Data Processing 8209 126 main Benson Post-Processing Software 128 main Vandenberg Computer Control for Observing 8210 129 main Hvatum Data Recording Group Meeting 8210 130 main Ewing Minutes-Correlator Group Meeting 8210 131 main Ewing Antenna Control Computer 8210 132 main Rogers Minutes-Data Recording Meeting 8210 133 main Pearson Bookkeeping Operations 8210 134 main Walker Status-Configuration Search 8210 135 main Rogers Minutes-Recorder Group Meeting 8210 136 main Benson NBS Climatic Charts 8210 137 main Escoffier Record/Playback System Interface 8210 138 main Moore IF Processor Design 8210 139 main Hogg Radiosonde Data from PR 8210 139A main Hogg Radiosonde Data from PR 8210 140 main Rogers Proposed Recorder Interface 8210 141 main Rogers Suggested Changes to MK III 8210 142 main Ewing IF-Tape-Correlator Interfaces 8211 143 main Walker A Possible Configuration 8211 144 main Walker Fast Quality Measure 8211 145 main Ewing Minutes-Correlator Group Meeting 8211 146 main Balister Minutes-Electronics Group Meeting 8211 147 main Aller Telescope Operation under Control 8211 148 main Shaffer How Many Frequency Channels? 8211 149 main Kellermann CC/Scientific Group Meetings 8211 150 main Walker Hail 8211 151 main Walker Number of IF Bands 8211 152 main Walker November Meeting Notes 8211 153 main Walker Software Requirements 8211 154 main Rogers Slew & Settings Rates-Antennas 8211 155 main Kellermann Agenda for 12/10 Meeting 8212 156 main Hvatum Updated Lists-Groups, etc. 8212 -------------------------------------------------------------------------------------------------------------------- Memo# Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 157 main Walker Possible VLBA Sites 8212 158 main Rogers Minutes-Recorder Group Meeting 8212 159 main Schneps Live-Time Fringe Checks 8212 160 main Horne Slew Rates for Antennas 8212 161 main Moore Ball Aerospace MRAS Cncpt 8212 162 main Pearson VLBA Data Structures 8212 163 main Reid Schedule & Telescope Philosophy 8212 164 main Rogers VLBI "Channelization" 8301 165 main Kellermann CC & Scientific Meeting on 2/9 8301 166 main Hunt Antenna Control Computer 8301 167 main Cotton AIPS Database Structure 8301 168 main Rogers Minutes-Recorder Group Meeting 8301 169 main Balister Minutes-Electronics Group Mtg 8301 170 main Moore 32-Channel IF Scheme 8301 171 main Kellermann February 9th Meeting 8301 172 main Horne Telescope Sites 8301 173 main Kellermann Radio Link-VLA Antennas 8302 174 main Ward LES 8/9 8206 175 main Benson Observing & Processing Logs 8302 176 main Ewing Correlator Specification 8302 177 main Bridle CLBA Technical Subcom. Chairmen 8302 178 main Moran Phased Arrays as Elements 8212 179 main Clark Three-Level Sampling 8302 180 main Ewing Minutes-Correlator Group Meeting 8302 181 main Walker U,V Sampling Comparisons 8302 182 main Cathy Change in Meeting Schedule 8302 183 main Ewing Misc. Correlator Issues 8302 184 main Ewing Correlator "176"vs"Ideal" System 8302 185 main Rogers Minutes-Recorder Group Meeting 8302 186 main Rogers Multi-Level Sampling Options 8302 187 main Cornwell Antenna Size in Self-Calibration 8302 189 main Bridle VLBA/CLBA Construction Costs 8303 190 main Hvatum New Lists-Groups,etc. 8303 191 main Peery Control Building 8303 192 main Thompson Signal Quantization in VLB array 8303 193 main Shapiro Antenna Elevation-Angle 8303 194 main Mutel Optimized 10-Station Array 8303 195 main Balister Change in Electronics Group Mtg 8303 196 main Clark Report on Sampling & Channels 8303 197 main Rayhrer Correlator Specification (#176) 8303 ------------------------------------------------------------------------------------------------------------------ Memo# Author Title Date ----------------------------------------------------------------------------------------------------------------------------- 198 main Kellermann Scientific Group Action Items 8303 199 main Rogers Minutes-Recorder Group Meeting 8303 200 main Kellermann CLBA/VLBA Proposals 8303 201 main Horne Control Building, #191 8303 202 main Clark Bandwidth Synthesis-2 Ch 8303 203 main Balister Minutes-Electronics Group Meeting 8303 204 main Cotton Time & Frequency Averaging 8303 205 main Walker Final Configuration 8303 206 main Price Individual Stations & Central Fac 8303 207 main Crane Control Building 8303 208 main Bignell Objectives of Operations Group 8304 209 main Brundage RFI & Climate-Haleakala Obs 8304 210 main D'Addario No-Computer Option Ant. Control 8304 211 main D'Addario M/C subgroups-issues 8304 212 main Weber MC Channel Usage & Capacity 8304 213 main Coe Link Budgetary Estimates 8304 214 main Walker Processor Operations 8304 215 main D'Addario Minutes-M/C Subgroup Meeting 8304 216 main Napier Minutes-Feed Subgroup Meeting 8304 217 main Benson Timing Tests-Fringe Processor 8304 218 main Moore Proposed Rec. Sky/LO/Image Freq 8304 219 main Hvatum New Lists-Groups,etc. 8304 220 main Horne Site Selection 8304 221 main Cotton Operational Req:Image Form & Anal 8304 222 main Horne Control Bldg & Service Facilities 8304 223 main Burns Minutes-Computer Meeting 8304 224 main Pearson Element Control Computer 8305 225 main Galt CLBA Current Activity 8304 226 main Walker Restructuring Config Group 8305 227 main Rogers Bands & Recording Rate 8304 228 main Frater Australian Telescope 8212 229 main Peery Wind Data-Owens Valley 8305 230 main Ewing Correlator Operations-Tape Change 8305 231 main Hogg Water Vapor Radiometer Specs 8305 232 main Weinreb Front-End Schedule 8305 233 main Hvatum New Lists-Groups,etc. 8305 234 main Readhead Performance of OVRO at 43 GHz 8305 235 main Kellermann K-3 System 8305 236 main Balister Minutes-Electronics Group Meeting 8305 237 main Bridle Canada/US Array Option 8306 238 main Hvatum Suggested Table of Contents 8306 -------------------------------------------------------------------------------------------------------------------- Memo# Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 239 main Kellermann Site Inspection-Northern NM Ant 8306 240 main Thompson Microwave Links 8306 241 main Horne Antenna Specifications 8306 242 main Rogers Minutes-Recorder Group Meeting 8306 243 main Burns Cancel-Computer Group Meeting 8306 244 main Moore K & Q-Band Maser Construct 8306 245 main Balister Minutes-Electronics Group Meeting 8306 246 main Thompson Microwave Links - More 8307 247 main Rogers Minutes-Recorder Group Meeting 8307 248 main Balister Minutes-Electronics Group Meeting 8307 249 main Napier Comments on Memo No. 241 8308 250 main Walker Los Alamos & Winston Sites 8308 251 main Walker Current Concerns & Meeting Notes 8308 252 main Lagoyda Accounting for Project 8308 253 main Rogers Sources of Closure Errors 8308 254 main D'Addario Possible Double-Conversion Rec. 8308 255 main Findlay Setting the Antennas 8308 256 main Weinreb Minutes-Electronics Group Meeting 8308 257 main Hvatum Revised Meeting Schedule-VLBA 8308 258 main Walker Minutes-C/S Group Meeting 8308 259 main Carter VLBA Instrumentation 8308 260 main Kundu Possible Solar Observations 8309 261 main Kellermann Canadian Long Baseline Array 8309 262 main Horne Antenna Schedule-VLBA 8309 263 main Carolyn List of VLBA Memos 8309 264 main Lagoyda Accounting for VLBA Project 8309 265 main Shalloway Data Communications Systems 8309 266 main Kellermann Minutes-Scientific Group Meeting 8309 267 main Burke Mauna Kea-VLBA site 8309 268 main Ewing Minutes-D/A & Correlator Meeting 8309 269 main Balister Minutes-Electronics Group Meeting 8309 270 main Whitney Loss Factors in VLBI Correlator 8309 271 main Backer Possible site in South America 8310 272 main Carter Mauna Kea as VLBA Site 8310 273 main Shalloway Minutes-Data Commununications 8310 274 main Backer MSR-Operations Center 8310 275 main Burke Site in Hawaii 8310 276 main Moffet Fractional N Synth-baseband conv 8310 277 main Rogers Minutes-Recorder Group Meeting 8310 278 main Clark Organization-Control Software 8310 279 main Gordon Site in Hawaii 8310 -------------------------------------------------------------------------------------------------------------------- Memo# Author Title Date------------------------------------------------------------------------------------- 280 main Bignell Minutes-Operations Group Meeting 8310 --------------------------------------------------------------------------------- 281 main Ewing Correlator Memo Series 8310 282 main Roberts Operations Center 8310 283 main Walker Fractional Bit Shifts 8310 284 main Balister Minutes-Electronics Group Meeting 8310 285 main cc 7+ Horne VLBA Antenna Choice 8310 286 main cc 8+ Legg TIW Antenna Panels 8310 287 main Walker Notes-C/S Meeting 8311 288 main Walker Possible change-Near VLA 8311 289 main Campbell Element Operating Probability 8311 290 main ant 3 Horne Setting the Antennas 8311 291 main Thompson Site-South N.M. Antenna 8311 292 main Walker Site Construction Order 8311 293 main Rogers Minutes-Recorder Group Meeting 8311 294 main elec 2 Balister Minutes-Electronics Group Meeting 8311 295 main elec 3 D'Addario VLBA Frequency Coverage 8311 296 main AustTel Australia Telescope Comp System 8312 297 main Carolyn List of VLBA Memos 8312 298 main D'Addario Bandwidths & Sampling Rates 8312 299 main Shalloway VLBA Communications 8312 300 main Burns Computer Working Groups 8312 301 main Brundage Site RFI Potential 8312 302 main D'Addario Monitor & Control Bus Specs 8312 303 main elec 4 D'Addario Local Oscillator Design 8401 304 main Hvatum VLBA Meeting Schedules 8401 305 main Carolyn Directory of VLBA Members 8401 306 main Reid 6 GHz VLBA Receivers 8401 307 main Hunt Programming Language 8401 308 main Ewing Programming Language 8401 309 main Spargo Proposed Mauna Kea Site 8401 309a main Carolyn Correction on Memo #309 8401 310 main elec 8 Balister Minutes-Electronics Group Meeting 8401 311 main Kellermann Jaap Baars Letter 8401 312 main Hogg Water Vapor Fluctuations in P.R. 8401 313 main Carolyn Revised Operations Mtg Schedule 8401 314 main Moran Filter Bandwidths 8401 315 main Kellermann Feb 10 Scientific Meeting 8402 316 main D'Addario Summary of Design Review Meeting 8402 317 main D'Addario VLBA Project Book 8402 318 main Walker Notes on Config/Site Meeting 8402 319 main Spargo Weather Instrumentation 8402 -------------------------------------------------------------------------------------------------------------------- Memo # Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 320 main Clark Linear Polarization 8402 321 main D'Addario Single Sideband Fringe Rotation 8402 322 main Kellermann Hawaii Antenna 8402 323 main elec 10 Balister Minutes-Electronics Group Meeting 8402 324 main Cornwell Broadband Mapping 8402 325 main Kellermann March 9 Agenda 8403 326 main acq 7 Rogers Fringe Rotation & Var Ph Sampling 8402 327 main acq 8 Rogers Reject of Receiver Images 8403 328 main acq 9 Rogers Single Sideband Fringe Rotation 8402 329 main corr 20 Clark Lobe Rotator at Antenna 8402 330 main Napier Site at Los Alamos 8403 331 main Legg Configuration Study for CLBA 8403 332 main D'Addario Storage Req-Quantized Noise 8402 333 main D'Addario Variable Phase Sampling 8403 334 main corr 18 Ewing Lobe Rotator Options 8402 335 main Burns VLBA Computer Coordination 8403 336 main Bridle New CLBA Option/Washington site 8403 337 main Schwab Linearly Polarized Feeds for VLBA 8403 338 main corr 21 Ewing Minutes-Correlator Group meeting 8403 339 main Peery Conf/Site Group meeting 8403 340 main elec 12 Brockway 140ft K-Band Maser Noise Temp 8403 341 main Walker NBS Global Time Service 8403 342 main elec 11 Thompson Minutes-Electronics Mtg-3/15/84 8403 343 main Walker Computer Coordination Committee 8404 344 main Walker Computer Personnel Operation/VLBA 8404 345 main D'Addario Phase/Delay Tracking at Stations 8404 346 main Thompson Tolerances/Polarization Mismatch 8404 347 main Bridle Washington Antnena/Canadian Conn. 8404 348 main Peery Config/Site Group Mtg. 04/18/84 8404 349 main Rogers Comments-Phase & Delay Tracking 8404 350 main elec 13 Thompson Electronics Meeting-840419 8404 351 main Backer Pulsar VLBI Specifications 8404 352 main Peery Config/Site Group Meeting-840516 8405 353 main Thompson VLBA Electronic Grp Mtg-840517 8405 354 main D'Addario VLBA Frequency Coverage-Final Spec8406 355 main Peery Config/Site Group Mtg. 840620 8406 356 main Thompson Antenna Building Requirements-mtg 8406 357 main Thompson VLBA Electronic Grp Mtg-840614 8406 358 main Ewing Question of Language-C vs FORTRAN 8406 359 main Williams VLBA Meeting Schedules 8407-8412 8406 360 main Ewing Progress Report-Correlator Section8406 -------------------------------------------------------------------------------------------------------------------- Memo # Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 361 main Gwinn Pulsar Astrometry-Ionospheric Corr8406 362 main Porter VLBA Project Numbers 8407 363 main Peery Antenna Site Control Bldg 8407 364 main D'Addario VLBA Documentation Standards 8407 365 main Walker Need for Large Computer 8407 366 main Walker Suggestions for AOC Bldg 8407 367 main Bartel Pulsar Dedispersion Mode 8407 368 main Weber VLBA M&C Standard Interface Spec 8407 369 main Thompson VLBA Electronic Grp Mtg-840712 8407 370 main Cotton Data Processing Mtg-840719 8407 371 main Cotton VLBA-VLA Editting & Calibration 8407 372 main Walker Computer Coordination Mtg-8407 8407 373 main Peery Config/Site Group Mtg-840725 8407 374 main Spargo Comments-VLBA Memo 363 8408 375 main Ewing Correlator Option List 8408 376 main Kellermann Scientific Advisory Grp Mtg 8408 377 main Temple VLBA Site Building & Equip 8408 378 main Spargo Antenna Site Control Building 8408 379 main Cotton Data Processing Mtg 840814 8408 380 main Shapiro Pulsar Astrometry-Iono. Correct. 8408 381 main Peery Config/Site Group Mtg-840822 8408 382 main Weinreb Revised Specs-VLBA Hydrogen Maser 8408 383 main Brundage RFI @ Haystack Site 8408 384 main Benson VLBA Fringe Processor Tasks 8408 384a main Williams VLBA Memo #384 8409 385 main Walker Calibration Software 8408 386 main Thompson VLBA Electronic Grp Mtg-840809 8409 387 main Johovich Monitor/Control-View from the Top 8409 388 main Walker Bit Error Rates 8409 389 main Brown Location of Tucson VLBA Antenna 8409 390 main Cotton VLBA Data Processing Mtg-840911 8409 391 main Peery VLBA Config/Site Mtg-840919 8409 392 main Ewing Updated VLBA Correlator Info 8410 393 main Ewing DPS/Correlator Interface Meeting 8410 394 main Ewing VLBA Correlator:Control Computer 8410 395 main Rogers Fringe Processing-MK III Algor 8410 396 main Clark VLBA Maintenance Computer Needs 8410 397 main elec 24 Thompson VLBA Electronics Division Mtg 8410 398 main Johovich Crisis in Radio Astronomy 8410 399 main Clark VLBA Station Computer 8410 400 main Cotton Data Processing Meeting-16 October8410 -------------------------------------------------------------------------------------------------------------------- Memo # Cross Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 401 main Oty RFI Survey-VLBA Los Alamos, NM 8410 402 main Walker Computer Decisions 8410 403 main Peery Conf./Site Meeting 841024 8410 404 main Walker Visit to Hawaii 8411 405 main D'Addario The "Unlimited" Tape Case 8411 406 main elec 29 Thompson VLBA Electronics Meeting, Nov 8 8411 407 main Oty RFI Survey-VLBA Pie Town, NM Site 8411 408 main Walker Model Accountability and Averaging8411 409 main Cotton Data Processing Meeting, 13 Nov 8411 410 main Peery Conf./Site Meeting 841121 8411 411 main acq 30 HintereggerDiminishing Returns 8411 412 main elec 32 Thompson Front Ends for 23 and 43 GHz 8412 413 main elec 33 Thompson VLBA Electronics Meeting, Dec 6 8412 414 main Cotton Data Processing Meeting, 11 Dec 8412 415 main Brundage 50 cm lamda RFI in Massachusetts 8412 416 main Carolyn VLBA Meeting Schedules 8412 417 main Ewing Notes from "Dump Rate" Mtg-7 Dec 8412 418 main Ewing AOC Correlator Floor Plan 8412 419 main Peery Conf./Site Meeting, 19 Dec 8412 420 main Cotton Data Processing Meeting 8 Jan 85 8501 421 main Rogers Digitization & Recording Meeting 8501 422 main elec 35 Thompson VLBA Electronics Meeting 10 Jan 858501 423 main Oty RFI Survey - Kitt Peak, AZ 8501 424 main Peery Conf./Site Meeting 850130 8501 425 main Pearson VLBA Corelator:Programming Stds 8502 426 main elec 38 Thompson VLBA Electronics Meeting 7 Feb 85 8502 427 main D'Addario 8/5 Code for 3-Level Quantization 8502 428 main D'Addario Interferometer Calibration vs Quan8502 429 main Williams Teleconference I.D. Numbers 8502 430 main D'Addario Summary of Socorro Workshops 8502 431 main Clark Some Suggested Operator Interface 8502 432 main Clark Some Remarks about Phase Switching8502 433 main Oty RFI Survey - Three Points, AZ 8502 434 main Peery Conf./Site Meeting 850220 8502 435 main Rogers Proposed Pulsar Support Modes 8503 436 main Kellermann Scientific Advisory, March 15 Mtg 8503 437 main coun 4 Seielstad VLBA Antenna in Green Bank 8503 438 main coun 21 Walker Antenna in Green Bank 8503 439 main Ewing Graphics for Engineerg&Operations 8503 440 main elec 40 Thompson VLBA Electronics Meeting, 7 March 8503 441 main Peery Conf./Site Meeting 850320 8503 -------------------------------------------------------------------------------------------------------------------- Memo # Cross Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 442 main elec 41 Thompson VLBA Electronics Mtg 4 April 85 8504 443 main Carolyn VLBA Memo Lists 8504 444 main Cotton Data Processing Mtgs 19 Feb,19 Mar8504 445 main Norris Proposal for Tape Recorders-AT VLBA8504 446 main Oty RFI Survey - VLBA Ft. Davis Site 8504 447 main Brown Wind Data at the 12-meter Site 8504 448 main Brown Wind Data in the Tucson Area 8504 449 main Rogers Proposed Pulsar Support Modes 8505 450 main Hogg Study of Water Vapor Fluctuations 8505 451 main Cotton Data Processing Meeting 16 April 8505 452 main Romney VLBA Observing Modes 8505 453 main elec 45 Thompson VLBA Electronics Meeting, 2 May 8505 454 main Walker Review of 30 April 1985 meeting 8505 455 main Oty RFI Survey - North Liberty site 8505 456 main Cotton Data Processing Meeting 14 May 8505 457 main Walker Review of 21 May Computer Meeting 8505 458 main Peery Conf./Site Meeting 850417 8505 459 main Peery Conf./Site Meeting 850522 8505 460 main Carolyn VLBA Meeting Schedule July - Dec 8506 461 main elec 47 Thompson VLBA Electronics Meeting, 13 June 8506 462 main Shapiro Pulsars, the Ionosphere & VLBA 8506 463 main Walker Effect of Wind on Pointing 8506 464 main Wade The Arizona VLBA Site 8507 465 main Peery Conf./Site Meeting 850626 8507 466 main Walker VLBA Computer Coordination Group 8507 467 main elec 49 Thompson VLBA Electronics Meeting, July 11 8507 468 main Clark Software Related Standards 8507 469 main Romney The VLBA Database 8507 470 main Walker Closure Errors 8507 471 main D'Addario Gain Calibration Techniques 8507 472 main Rogers Correlated Flux Calibration Tech 8508 473 main Romney The VLBA Options List 8508 474 main Kellermann Sept. 6 meeting - Options list 8508 475 main Kellermann Notes on UK-Hawaii Remote Tscope 8508 476 main Peery Conf./Site Meeting 850731 8508 477 main Norris VLBA Data Acq System Rpt & AT 8508 478 main Ewing Macintosh Workstations for VLBA 8508 479 main Benson Digital Filtration Stages in Corr 8508 480 main Wade Site Group meeting 850828 8509 481 main Walker Construction Arrays 8509 482 main Walker Alternative to OVRO 8509 -------------------------------------------------------------------------------------------------------------------- Memo # Cross Author Title Date Ref ------------------------------------------------------------------------------------------------------ 483 main Ewing VLBA Telecommunications 8509 484 main elec 51 Thompson VLBA Electronics Meeting, Sept 5 8509 485 main Romney Selection Criteria for VLBA Dbase 8509 486 main Seielstad Cost Savings 8509 487 main D'Addario Phase Calibration Techniques 8509 488 main Crane Response of VLBA to Interfering 8509 489 main Kellermann VLBA Test Memo No. 1 8509 490 main Kellermann Notes on Sept 6 Science Meeting 8509 491 main Rogers Specs for "Antenna Fringe Rot..." 8509 492 main Rogers Low fringe rates-a problem? 8509 493 main Clark Cable Wrap Centering for VLBA 8509 494 main Oty RFI Survey- N. Central Washington 8510 495 main Oty RFI Survey - Owens Valley 8510 496 main Rogers Compatibility-VLBA design&MkIIIA 8510 497 main Walker Review of 24 Sept Computer Mtg 8510 498 main Bignell VLBA Operational MP and Space Reqs8510 499 main Wade Site Group Meeting 850925 8510 500 main D'Addario Bandwidth Expansion Paths 8510 501 main elec 52 Thompson Electronics Meeting, Oct. 3, 1985 8510 502 main Clark Proposal for Device Determination 8510 503 main D'Addario Assignment of Equipment to Racks 8510 504 main D'Addario Timekeeping at the VLBA Stations 8510 505 main Clark Observation Descriptor 8511 506 main Peery Station Building Design Changes 8511 507 main elec 55 Thompson Electronics Meeting, Nov 7, 1985 8511 508 main Romney Decision Scheme-Phase and Delay 8511 509 main Wade Site Group Meeting, 851023 8511 510 main Clark VLBA Station Timekeeping 8511 511 main Dill VLBA Tasks-Vertex and Station Room8511 512 main Wade Site Group Meeting, 851120 8511 513 main Rogers Dual Band(S/X)Bandwidth Synthesis 8512 514 main elec 57 Thompson VLBA Electronics Meeting, Dec 5 8512 515 main Romney Third VLBA Design Review 8512 516 main Clark Standard Interface Boards 8512 517 main HintereggerHumidity and Temperature Control 8512 518 main D'Addario Bandwidth Synthesis vs. Channel 8512 519 main Oty RFI Survey for Island of Hawaii 8512 520 main Wade Site Group Meeting 851218 8512 521 main Williams VLBA Teleconference Schedule 8512 522 main Thompson Phase Switching, Fringe Rotation 8601 523 main Williams Distribution of VLBA Memos 8601 -------------------------------------------------------------------------------------------------------------------- Memo Series Cross Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 524 main Ewing VLBA & AT LBA Correlator/LO Opts 8601 525 main elec 58 Thompson VLBA Electronics Meeting, Jan 9 8601 526 main Wade Site Group meeting 860129 8602 527 main Williams VLBA Memos Distributed-January 8602 528 main Walker Jan 28 1986 Meeting Summary 8602 529 main Clark Required Instruments-Weather Sta. 8602 530 main Dill Vertex Room Register Duct Plcmt 8602 531 main elec 61 Thompson VLBA Meeting, Feb 6, 1986 8602 532 main Kellermann Agenda for March 3 Meeting 8602 533 main Williams VLBA Memos Distributed During Feb 8602 534 main Wade Site Group Meeting 860226 8602 535 main Walker More on a VLBA Antenna in GB 8603 536 main Walker Construction Order 8603 537 main Thompson Systems Engineering 8603 538 main elec 63 Thompson VLBA Electronics Meeting, March 6 8603 539 main Granlund A Comment on Fringe Rotation 8603 540 main Wade Site Group Meeting 860326 8604 541 main Williams VLBA Memos Distributed During Mar 8604 542 main Wade Accurate Coordinates-First Four 8604 543 main elec 64 Thompson Proposed Cables for VLBA Receiving8604 544 main elec 65 Thompson VLBA Electronics Meeting, April 3 8604 545 main Williams VLBA Memos Distributed - April 8605 546 main Wade Site Group Meeting, 860430 8605 547 main Kellermann VLBA Science Meeting, June 9 8605 548 main elec 68 Thompson VLBA Electronics Mtg, May 8 8605 549 main King Array Control Text Stream 8605 550 main Walker Pie Town Test Plan 8605 551 main Williams VLBA Memos distributed during May 8606 552 main elec 70 Thompson Station Timing System 8606 553 main Wade Site Group Meeting 860528 8606 554 main elec 71 Thompson VLBA Electronics Meeting, June 5 8606 555 main Clark M/C Bus ID Assignments 8606 556 main Crane Choice of Frequency Range -S band 8606 557 main Romney VLBA Specification Summary 8606 558 main Williams VLBA Meeting Schedules 8606 559 main Williams VLBA Memos Distributed During June8607 560 main elec 75 Thompson VLBA Electronics Meeting, July 10 8607 561 main Clark M/C Bus ID Assignments 8607 562 main Wade Site Group Meeting 860625 8607 563 main Oty RFI Survey for VLBA SC Site 8607 564 main Cotton Data Processing Mtg, 22 July 8607 -------------------------------------------------------------------------------------------------------------------- Memo # Cross Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 565 main Williams VLBA Memos Distributed During July8607 566 main Wade Site Group Meeting 860730 8608 567 main elec 77 Thompson VLBA Electronics Mtg, Aug. 7 8608 568 main Ewing Relational Databases and VLBA 8608 569 main Ewing Relational Databases and VLBA,REV 8608 570 main Kellermann September 8 Meeting 8608 571 main Williams VLBA Memos Distributed During Aug 8609 572 main Wade Site Group Meeting 860827 8609 573 main elec 79 Thompson VLBA Electronics Meeting, Sept. 4 8609 574 main Cotton Data Processing Mtg 23 Sept 8609 575 main Wade Site Group Meeting 860924 8609 576 main Walker Horizons 8609 577 main Williams VLBA Memos Distributed Sept. 86 8610 578 main elec 80 Thompson VLBA Electronics Mtg, Oct. 2 8610 579 main Williams VLBA Memos Distributed October 86 8611 580 main elec 81 Thompson VLBA Electronics Mtg., Nov. 6 8611 581 main elec 82 Thompson Selection of Coaxial Switches 8611 582 main Williams VLBA Memos Distributed November 8612 583 main elec 84 Thompson VLBA Electronics Mtg., Dec 4 8612 584 main elec 85 Thompson Testing of VLBA Elec. at VLA 8612 585 main Wade Site Group Meeting 861119 8612 586 main Williams VLBA Teleconference Schedules 8612 587 main Williams VLBA Memos Distributed During 12/868701 588 main King Observer's Interface to the VLBA 8701 589 main Thompson VLBA Electronics Meeting, 1/6/87 8701 590 main Romney,etalVLBA Systems Group Meeting 8701 591 main Walker Effects of Using Green Bank 8701 592 main Wade Site Group Meeting 870128 8702 593 main Granlund VLBA Fringe Phasing Error 8702 594 main Heald,etal VLA/VLBA User Interface Style 8703 595 main Wade Site Group Meeting 870325 8703 596 main Oty, etal Station Building RF Test 8704 597 main Wade Site Group Meeting, 870527 8705 598 main Corr 85 Thompson Periodic Signal Errors & FX Corr 8705 599 main Trujillo VLBA Teleconference Schedules 8706 600 main Clark Usage of Monitor/Control Bus Ports 8707 601 main Trujillo Distribution of VLBA Memos 8708 602 main Wade Site Group Meeting, 870729 8708 603 main Romney The Very Long BaselineArray 8708 604 main Walker Review of Computer Coord. Mtg 8708 605 main Thompson Navstar Receivers for Timing 8708 -------------------------------------------------------------------------------------------------------------------- Memo # Cross Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 606mainCraneDiffraction Losses bet. Mauna Loa 8710 607 main Wade Site Group Meeting, 870930 8710 608 main Trujillo VLBA Memos Distributed July-Sep. 8710 609 main Oty RFI Interference Survey - NE Site 8710 610 main Peery Northeast Site 8711 611 main Kellermann VLBA Science Group Meeting, Dec. 7 8711 612 main Seielstad Green Bank RFI Environment 8711 612a main Sizemore Correction & Clarifications 8711 613 main Wade Site Group Meeting 871125 8711 614 main Seielstad NE VLBA Antenna 8712 615 main Trujillo VLBA Memos Distributed Oct-Nov 1987 8712 616 main VLBA Office VLBA Teleconference Schedules 8712 617 main Wade Site Group Meeting, Jan. 28, 1988 8801 618 main Walker Horizons Revisited 8801 619 main Trujillo VLBA Memos Distributed in December 8802 620 main Trujillo VLBA Memos Distributed in January 8802 621 main Trujillo VLBA Memos Distributed During Feb. 8803 622 main Thompson /Bagri A Pulse Calibration Scheme for VLBA 8803 623 main Serna VLBA Power Glitches 8803 624 main Wade Site Group Meeting, 870330 8803 625 main Trujillo VLBA Memos Distributed in April 1989 8804 626 main Wade VLBA Station Names, Codes, Number 627 main Wade VLBA Stations Names, etc. Revisited 8804 628 main Trujillo VLBA Memos Distributed During April 8805 629 main Shaffer Frequency Sequences for Reduced Nos. 8805 of Channels, w/Applications to VLBA 630 main Trujillo VLBA Teleconference Schedules 8806 631 main Brown VLBA Options: Inexpensive 12.2 GHz 8806 632 main Romney VLBA Options List, Revised 5/24/88 8807 633 main Trujillo VLBA Teleconference Schedules-Rev. 8807 634 main Wells Workstations for Correlator Software Development and Control 8807 635 main Walker Correlator Control Computer 8807 636 main Trujillo VLBA Memos Distributed May-July 8808 637 main Wade Site Group Meeting, 880928 8809 638 main Trujillo VLBA Memos Distributed Aug-Oct, 1988 639 main Trujillo VLBA Teleconference Schedules 8812 640 main Romney VLBA Specification Summary 8901 641 main Trujillo VLBA Memos Dist. Nov. 1988-Feb. 1989 8903 642 main Trujillo VLBA Memos Dist. during March 1989 8904 643 main Oty An Overview of RFI Monitoring System 8904 -------------------------------------------------------------------------------------------------------------------- Memo Cross Author Title Date -------------------------------------------------------------------------------------------------------------------- 644 main Wade Accurate Coordinates for VLBA Ant. 8905 645 main Walker UAI Antenna Drawings 8906 646 main Trujillo VLBA Memos Distributed April-May 8906 647 main Trujillo VLBA Site Addresses and Information 8906 648 main Trujillo VLBA Teleconference Schedules 8906 649 main Trujillo VLBA Memos Distributed June-July 8907 650 main Clark/Heald Code Maintenance Areas on VLBA CC 8909 651 main P. Johnson Lightning Damage at Los Alamos 8909 652 main Trujillo VLBA Memos Distributed Aug-September 8910 653 main Trujillo VLBA Memos Distributed Oct-Nov, 1989 8912 654 main Napier Measurements of RFI from Sowrball 8912 655 main Trujillo VLBA Meeting Schedules 8912 656 main Trujillo Pie Town at 86 GHz 8912 656A main Walker Revised Version of VLBA Memo No. 656 8912 657 main Trujillo VLBA Memos Distributed 12/90 9001 658 main Trujillo VLBA Site Addresses and Information 9001 659 main Wade Hurricane Damage on St. Croix 9002 660 main Trujillo VLBA Memos Distribution Jan-Feb 9003 661 main Walker/Romney User Interaction with the VLBA 9004 662 main Romney VLBA Correlator Operations Layout 9004 663 main Trujillo VLBA Meetings - June-December, 1990 9006 664 main Trujillo VLBA Memos Distributed March-May 9006 665 main Meadows Lightning Damage at North Liberty 9006 666 main Trujillo VLBA Sites Addresses & Information 9006 667 main Stetten VLBA Monitor & Control Network 9008 668 main Stetten Likely Hosts, Costs and Topology of 9008 the VLBA Network 669 main Trujillo VLBA Memos Distributed June-August 9009 670 main Beno Maser Shipping Shock Tests 9010 671 main Wrobel/BensonPositions of KP & LA from MKII VLBI 9010 672 main Trujillo VLBA Meeting Schedules 9012 673 main Shaffer 4-Element Frequency Sequences 9012 674 main Walker Frequency Sequences for Bandwidth 9012 Synthesis on the VLBA 675 main Trujillo VLBA Memos Dist. Sept-Dec., 1990 9101 676 main Napier Decision to Use Only One Data Acq. 9101 Rack at VLBA Sites 677 main Trujillo VLBA Sites Addresses & Information 9103 678 main Trujillo VLBA Memos Distributed Jan-Feb, 1991 9103 679 main Clark Network Communications Backup 9105 680 main Trujillo VLBA Meetings Schedules 9106 -------------------------------------------------------------------------------------------------------------------- Memo # Cross Author Title Date Ref -------------------------------------------------------------------------------------------------------------------- 681 main Trujillo VLBA Memos Distributed March-June 9107 682 main D'Addario Notes-Use of VLBA Monitor & Control 9109 683 main Trujillo VLBA Site Addresses and Information 9111 684 main Trujillo Memos Dist. Oct. - Nov, 1991 9112 685 main Trujillo 1992 VLBA Teleconference Schedules 9112 685A main Trujillo 1992 Schedules - Revised 9201 686 main Trujillo VLBA Memos Dist. Nov,Dec,91-Jan, 92 9201 687 main Trujillo VLBA Memos Dist. Feb. - May, 1992 9206 688 main Trujillo 1992 VLBA Teleconference Schedules 9206 689 main Trujillo VLBA Site Addresses & Information 9211 690 main Trujillo 1993 VLBA Meetings Schedules 9212 691 main Bagri Proposal to Use Pulsecal Amplitudes 9304 to Estimate a Phase Shift Variations to atmosphere 692 main Trujillo VLBA Meetings 9312 693 main Oty MK VLBA Station Ice Plan 9312 694 main Trujillo VLBA Site Addresses and Information 9312 695 main Trujillo 1994 VLBA Meetings 9401 696 main Trujillo 1994 VLBA Meetings (2nd Half) 9406 697 main Briggs/etal High Dynamnic Range Imagining with 9407 the VLBA 697A main Briggs/etal Revision of VLBA Memo #697 9407 698 main Clark Operations with Multiple Projects per Tape 9705