date | measurement | in use |
28apr16 |
Used sky and absorber, tracked blank
sky |
28apr16 -> current installed 21jul16 |
28jun12 |
Used sky and absorber.
Tracked blank sky. PolA calvalue had changed (proabably on 07feb12). First use of mocks for Tsys. |
07feb12 -->27apr16 installed 12aug12 |
08dec08 |
used sky and absorber.Trked
blnk sky. Re did 26sep08 measurements because polA was way off. |
05sep08 thru -->07feb12 installed 15dec08 |
26sep08 |
used sky and absorber.Trked
blnk sky. After dewar had been warmed up and the bias voltage bulkhead cable was replaced. |
05sep08 thru 15dec08 replaced by 08dec08 installed 26sep08 |
29aug08 | used sky and absorber.Trked blnk sky. After tightening cal cables 14apr08 and dewar warmup of 29apr08 (replacement of polB amp L128->L127). We don't have cal data for 14apr08->29apr08.. |
30apr08 thru 29aug08 installed 29aug08 |
22apr07 | used sky and absorber.Trked blnk sky. No rdrBlanker. After omt bolts tightened. |
01apr07 thru 14apr08 installed 02apr07 |
06jul06 | used sky and absorber. radar blank and trked blnk sky After polB sma dewar feed thru for cal in dewar fixed. |
16jun06 thru 01apr07 installed 31sep06 |
23feb06 | used sky and absorber radar blanking , and tracked blank sky This was after diode 2 jumped on 06nov06 |
04dec05 thru 15jun06 installed 28feb06 |
23nov05 | used sky and absorber radar blanking , and tracked blank sky This was after the new cal diodes were installed. |
23nov05 thru 03dec05 installed 28nov05 |
10jun05 | used absorber and sky radar blanking,tracked blank sky After polB cal cable repaired. Fit to entire receiver band |
01jun05 thru 22nov05 installed 21jun05 |
06aug04 | used absorber and sky. Radar blanking on for both. Tracked blank sky. PolB cal started drifting on 24apr04.It stabilized around 4jun04. |
04jun04 thru 31may05 |
06mar03 | used absorber and sky. Radar blanking on for both. Tracked blank sky |
17feb03 thru 03jun04 |
Note: The original lband wide receiver was replaced on 17feb03
with the new receiver.