Документ взят из кэша поисковой машины. Адрес
оригинального документа
: http://www.naic.edu/~astro/RXstatus/Shigh/Shigh.shtml
Дата изменения: Unknown Дата индексирования: Sun Feb 3 22:59:33 2013 Кодировка: Поисковые слова: iapetus |
S-High Receiver
Basic Information | Calibration & Beam Parameters RFI Situation Recent Events Receiver History Technical Description Contact Info :1 |
Frequency Range (GHz): |
3.0 - 4.0
|
Name and Number:
sbh, sbh1_2, and 8, 81 (*)
|
Measured Sensitivity (K/Jy):
|
~ 7 - 10 (**)
|
Measured System Temp (K):
|
~ 27 - 29 (**)
|
Native Polarization:
|
Dual Linear(***)
|
Beam Size (at 3.3 GHz):
|
~ 85 arcsec (**)
|
Available Filters:
|
No RF filters at present
|
Warnings and Important Notes:
|
None
|
| |
*** Can be circularized by using the 10-GH upconversion IF/LO path and a hybrid (More Info)
2. Calibration & Beam Parameters:
Gain and Tsys | Cal Values | Beam Maps | Polarization | Misc. Info |
Polarization properties of this Rx has not been determined yet. However, here
is an useful documents
The Mueller
Matrix Parameters for Arecibo's Receiver Systems (Not including this
Reciver) by C. Heiles et
al (~5MB, PS file)
A short introduction to digital
spectropolarimetry written be Carl Heiles can be found
in this PDF file
More information on calibration techniques can be found in Chris
Salter's "Note relevant
to Spectral Line User's"
Yet to be fully characterized.
Recent events can be found in the electronics receiver log.
The Receiver was installed in 2001.
Resonance modes in this receiver are listed here
For further information on this receiver, please contact T. Ghosh at