* meta.rxg - C 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 7435.9 * * * 2nd line: creation date * format: yyyy ddd or yyyy mm dd (0 is valid for all for intial set-up) * 2006 07 26 * * 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 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 * 0.130044 0.130735 * * 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 0.99525288 0.00046298186 -1.1288534e-05 * * 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 6677.9 20.4550 lcp 6693.9 20.3818 lcp 6727.9 19.9643 lcp 6743.9 19.9665 lcp 6777.9 19.8018 lcp 6793.9 19.2577 lcp 6827.9 19.0352 lcp 6843.9 19.2426 rcp 6677.9 20.4319 rcp 6693.9 20.9132 rcp 6727.9 20.1820 rcp 6743.9 19.9500 rcp 6777.9 19.2608 rcp 6793.9 19.4224 rcp 6827.9 19.2812 rcp 6843.9 18.8928 * *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 * * 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