[Difx-users] Questions on new digital back end for Russian geodetic stations {External}

[Michael Dutka]

Hi All,
We received a message about an upgrade to the digital backend for Russian
geodetic VLBI stations and then describe the frequency setup like this:


   1. VDIF output format (instead of Mark5B+)
   2. Each frequency range has its own VDIF data stream, i.e. for S/X mode
   will be two VDIF streams (instead of one like Mark5B+)
   3. The number of DBBCs used in each frequency range must be a multiple
   of 2, i.e. standard geodetic mode will be 8 USB channels in S and 8 USB or
   16 channels (8 USB+ 2 LSB + 6 any) in X (instead of 6 USB in S & 8 USB + 2
   LSB in X)


The question is can DiFX handle this setup?  I'm pretty sure the answer is
yes (for the 3rd item we might need to use dummy channels or some other
sort of trick).  Does anyone see any glaring issues?



-- 
Dr. Michael S. Dutka
US Navy (civilian)
USNO Phone Number- 202-762-0242
Cell- 301-996-3588
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