Confirming scheduling for this on April 29/30, 1630-0730 UT, with Effelsberg, the GBT, and the phased VLA (2330-1500 VLALST), at 256 Mbits/sec. This will be segment G of the proposal. I am herewith asking Mark Claussen to continue serving as local technical contact person for this proposal. We would like to have an observe file by April 14.