! ap296d.set ! made by jwrobel 30nov95 for bfolkner Galileo probe project ! ! vlba tape stuff ... ! nchan = 4 samprate = 2.0 bits = 2 ! 16 Mbps bbfilter = 0.5 ! Ny=1 Mbps so OS=2 tpmode = 4 format = VLBA1:1 tpspeed = 66.66 bbc = 1, 2, 3, 4 netside = U, U, U, U ifchan = R, L, R, L ! ! nov95 - had barrel rolling on ! dec95 - will turn it off ! string1='barrel=roll_off' ! barrel roll off ! ! vla freq stuff ... ! fefilter = '2222' ! vla front end filter vlaif = 'SYSLIF' vlarot = 'VLBLROT' vlafeab = -3.2 ! F1 vlafecd = -3.2 ! F1 vlasyna = 3560.1 ! F6 vlasynb = 3560.1 ! F6 flukea = 123.7 ! FA flukeb = 223.7 ! 2FB ! ! these give Fvla=1383.80 MHz, so ... ! (1) firstlo=Fvla-600 MHz ! firstlo = 783.80 ! ! (2) want freqref=1386.92 MHz ! close to center of vla 6.25 MHz band (vlabw=3333) ! but at center of bbc 0.50 MHz band ! freqref = 1386.92 ! ! (3) pick off bbfilter=0.5 MHz centered on freqref ! and make duplicate copies ! freqoff = -0.25, -0.25, -0.25, -0.25 station = 'VLA27' rchan = A lchan = C / ! ! vlba rchan A gets cable from vla IF A, std for y27 vlbi ! vlba lchan C gets cable from vla IF D, std for y27 vlbi ! ! end ap296a.set