| date | measurement | in use |
| 22apr07 | used sky and absorber.Trked blnk sky. No rdrBlanker. After omt bolts tightened |
01apr07 thru current 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.