====== Y-Factor and Tsys Measurements ======

===== Calculation =====

A [[operations:tsys_method|description of the method used to calculate Tsys and Tcal]]

===== Results =====

A spreadsheet containing all data and calculations to date is in {{:operations:y-factors_2011_hb12_2011_march_08.xls|}}

The following is a summary of the data so far


^  Tsys (K)  ^^^^^^
^ Date ^ S-band      ^^ X-band ^^^
^      ^ LCP ^ RCP ^ LCP ^ RCP ^ Note ^
| 2010 Sep 06 | 87 | 95 | 84 | 81 | S-band filter at 2260 MHz |
|             | 84 | 84 |    |    | S-band filter at 2300 MHz |
|             | 80 | 90 |    |    | S-band filter at 2350 MHz |
| 2011 Feb 28 | 109.5 | 113.3 | 89.7 | 89.3 | S-band with narrow-band filters at 2250 MHz |
| 2011 Mar 03 | 109.6 | 111.6 | 85.6 | 85.1 | S-band with narrow-band filters at 2250 MHz |
| 2011 Mar 08 | 95.3  | 101.4 | 83.2 | 83.5 | as above |

^  Tcal/Tcal,2 (K)  ^^^^^^
^ Date ^ S-band      ^^ X-band ^^^
^      ^ LCP ^ RCP ^ LCP ^ RCP ^ Note ^
| 2010 Sep 06 |  3.0     |  3.7    |  6.2      |    6.7    | S-band: 2260 MHz |
| 2011 Feb 28 |  6.3/6.4  |  5.6/5.9  |  11.8/11.9  |  10.7/10.6  | S-band : 2260 MHz | 
| 2011 Mar 03 |  6.5/6.7  |  6.5/6.1  |  17.2/16.7  |  15.7/15.3  | S-band : 2260 MHz |