* s.rx - s band receiver parameter definition
*
* first line: LO values and ranges, format:
*  type   frequencies
* if type is range, the two values: lower and upper frequencies
* if type is fixed, then the fixed value
* frequencies in MHz
*
fixed 2020
*
* 2nd line: creation date
* format:  yyyy ddd or yyyy mm dd (0 is valid for all for intial set-up)
*
2007 09 03
*
* 3rd line: FWHM beamwidthm format:
*   model value
*
* if type is frequncy, then fwhm=value*1.22*c/(freq*diameter)
*                      value is 1.0 if omitted
* if type is constant, then fwhm=value (degrees)
*
frequency 0.90
*
* 4th line polarizations available
*
* one of both of lcp and rcp
*
rcp 
*
* 5th line: DPFU (degrees/Jansky) for polarizations in previous line in order
*
0.098454
*
* 6th line: gain curve (only one) for ALL polarizations in 4th line
* TYPE FORM COEFFICENTS ...
*
* FORM = POLY only for now
* TYPE - ELEV or ALTAZ only for now
* COEFFICENTS - variable number of number values
*
* maximum coefficents 10
*
ELEV POLY 0.92691662 0.0048843824 -9.4348915e-05 4.0749462e-07
*
* 7th and following lines: tcal versus frequency
*     Format: POL FREQ TCAL
*     where:
*            POL    polarization rcp or lcp
*            FREQ   frequency (MHz)
*            TCAL   degrees K
*
*     MAXIMUM ENTRIES 100, group by polarization
*                          then sorted by increasing freq
*
*rcp 2120.0  40.4 
*rcp 2150.99 40.4
*rcp 2150.0 14.340
*rcp 2200.0 14.30
rcp 2202.0 34.4633
rcp 2232.0 37.4279
rcp 2270.0 38.7861
rcp 2322.0 36.8606
rcp 2342.0 35.4624
rcp 2362.0 32.0373
*rcp 2300.0 14.3400
*rcp 2350.0 14.300
*rcp 2400.0 14.30
*rcp 2450.0 14.380
*lcp 2219.0 39.3000
*lcp 2224.0 38.9625
*lcp 2239.0 40.5725
*lcp 2269.0 34.8970
*lcp 2294.0 40.5725
*lcp 2304.0 41.2500
*tcal table ends with end_tcal_table record
*
end_tcal_table
*
* Trec - receiver temperature, degrees K
*
* if value is zero, no opacity corrections are used
*
 0.0
* 44.1740
*
* Spillover table
*
* format:
* elevation temperature
* where:
*  elevation is angular degrees above horizon
*  temperature is Kelvin degrees of spillover noise
*
*spillover table ends with end_spillover_table record
*
end_spillover_table