The table below summarizes the last cal measurements, and any noted changes in tsys after this.
rcvr |
lastMeasured YYYYMMDD |
Notes |
327 |
20080608 |
New cooled rcvr installed.
ganesh measured cals with noise figure meter. We can't use
the sky absorber for this (too big). |
430 dome |
200101xx |
measured by bill genter. 2006 new turnstile installed aug13 - turnstile damaged. old turnstile reinstalled (with mods) |
430 ch |
20050927 |
Used network analyzer in the
carriage house. |
800 |
20090913 |
no longer installed |
*lbw |
20120628 |
apr16: cal values jumped
after return from platform painting.. need to remeasure. |
alfa |
20040904 |
measured on telescope using
sky and absorber |
*sbn |
20121116 |
new receiver installed - aug13 new amps fried, installed sbh amps -jul14 new chalmers amps installed after this tsys seems to jump around a lot. rfi ? or new amps |
*sbw |
20080926 |
18mar15 polB jumped up 5K |
*sbh |
20040309 |
aug13 amps removed and used
in sbn jul14 amps reinstalled |
cband |
20120628 |
|
cbh |
20120612 |
|
*xband |
20120612 |
2014 sep. pola jumps down by
3 K |
* need to remeasure because of jumps or changes.
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