* - k 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 one or two fixed value * frequencies in MHz * range 21500 23500 * * 2nd line: creation date * format: yyyy ddd or yyyy mm dd (0 is valid for all for intial set-up) * 2013 03 11 * * 3rd line: FWHM beamwidthm format: * model value * * if type is frequncy, then fwhm=value*1.05*c/(freq*diameter) * value is 1.0 if omitted * if type is constant, then fwhm=value (degrees) * frequency 1.0 * * 4th line polarizations available * * one of both of lcp and rcp * lcp rcp * * 5th line: DPFU (degrees/Jansky) for polarizations in previous line in order * 0.072 from DR21, TA*=1.2 K, and assume DR21=16.6 Jy (ONOFF). 1.2/16.6 = 0.072 * Saturn data gives 0.51 K, and assume Saturn=10.33 Jy (Nov 7, 2008, from Astro * package). 0.51/10.33 = 0.049 * * Data on Saturn, Saturn22GHz-EVN-Session1-2009.ps, gave 0.65 K. Astro gives * 13.72 Jy. Thus, DPFU = 0.048 * * Per Bergman: 2013-02-25 (mail): Data on Jupiter * TA* = 3.09 K * f=22.1 GHz El=36 deg S=38.4"(B=155") eta_mb=0.562 Jy/K=17.4 eta_a=0.501 * 0.0575 0.0575 * * 6th line: gain curve (only one) for ALL polarizations in 4th line * TYPE FORM COEFFICENTS ... * * FORM = POLY only for now * TYPE - ELEV only for now * COEFFICENTS - variable number of number values * * maximum coefficents 10 * ELEV POLY 1.0 * * 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 * lcp 22210.0 280.0 lcp 22214.0 280.0 lcp 22218.0 280.0 lcp 22222.0 280.0 lcp 22226.0 280.0 lcp 22230.0 280.0 lcp 22234.0 280.0 lcp 22238.0 280.0 lcp 22242.0 280.0 lcp 22246.0 280.0 lcp 22250.0 280.0 lcp 22254.0 280.0 lcp 22258.0 280.0 lcp 22262.0 280.0 rcp 22210.0 280.0 rcp 22214.0 280.0 rcp 22218.0 280.0 rcp 22222.0 280.0 rcp 22226.0 280.0 rcp 22230.0 280.0 rcp 22234.0 280.0 rcp 22238.0 280.0 rcp 22242.0 280.0 rcp 22246.0 280.0 rcp 22250.0 280.0 rcp 22254.0 280.0 rcp 22258.0 280.0 rcp 22262.0 280.0 * *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 0.0 * * 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