WIND PROFILER RASS
RASS is now working.
The problem had been that there was no RASS signal at all on the profiler,
or if there was (it seemed to appear when NCI or IPP was changed) then
it was not locked correctly to range gates (i.e. it looked rather like a
wide RFI signal spread vertically in a narrow freq band at all range gates)
that disappeared when the acoustic amplifier was turned off.
After trying various other tests and fixes over the last few days
Lou shipped me some replacement cards from Boulder and I sucessively
replaced each one; radar controller card, then DSP card, then
coherent integrator card. It turned out to be the CI card.
When I first installed it, a "sampling not finished in 5 seconds" message
appeared and the system hung; however I reset the jumpers on the card
(JP1&2 both to the left, and U62 row dip switches 3&4 down, the rest up)
then the system worked correctly.
The card situation now is:
Controller Card #4 replaced with Card #5
DSP Card 05384 replaced with Card 05385
Coherent Integrator Card 148 replaced with Card 9B
(and CI card switches changed as above).
The profiler was up and down during the afternoon and evening as the
repairs and tests were done.
RASS working correctly from about 0:10 UT (Oct 4).