System performance (old data)
This page holds the archived system performance data (the current data
is on the system
performance page)
-
01sep02 thru 01feb03 (room temp amps to - reshimming of elevation
rails)
-
01sep01 thru 30jul02 (cooled receiver to - room temp amps installed)
430 dome receiver () (top)
-
01nov01 thru 01feb03 (start of data to - shimming of elevation rails)
430 ch receiver () (top)
- 01mar03 thru jul05 (reshimming of elevation rails to jul05)
-
30aug02 thru 01feb03 (insalled skinny dipole to - reshimming elevation
rails)
-
23may01 thru 29aug02 (installed fat dipole to - installed skinny
dipole)
-
01mar03 thru Dec03 (reshimming of elevation rails to rcvr removed).
-
21aug02 thru 01feb03 (horn focus change to reshimming of elevation
rails, pointing model).
-
01sep01 thru 20aug02 (reflector adjustment finished to horn
focus change).
-
21nov02 thru 01feb03 (horn focus change to - reshimming of elevation
rails, pointing model).
-
01sep01 thru 20nov02 (reflector adjustment finished to - horn
focus change).
The data is first plotted with all pixels together.
Color is used to code the pixel number. After the combined plot there are
7 more plots showing each pixel by itself. For these plots color
is used to distinguish the source used. The data is 100 Mhz centered at
1420 Mhz.
-
21aug04
-
Tsys
. data taken from cal on/offs 21/22aug04. PolA top, Polb bottom. 100 Mhz
bands using cal value at center for entire band. Pixels/polA,polB may have
still be mixed up. Cal values are those measured in the lab. processing:
x101/mbeam/tsys/dotsys.pro
-
01sep01 thru 01feb03 (reflector adjustment finished to reshimming
of elevation rails).
-
03mar01 to 17feb04(reshimming of elevation rails to - diodes replaced).
-
03mar01 thru 13feb04 (reshimming of elevation rails to - horn lowered
.8 inches for focus).
-
01apr03 thru 24may05 ( reshimming of elevation rails, pointing model
to new amps installed).
-
28aug02 thru 01feb03 (horn focus change to reshimming of elevation
rails, pointing model).
-
01sep01 thru 27aug02 (reflector adjustment finished to horn
focus change).
-
04sep03 thru Feb04. (new xband horn to new cal diodes.)
-
mar03 thru 03sep03 After rail shimming to new horn installed.
-
apr02 to 01feb03. New turret position to rail shiming.
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