* x.rx - x 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 * fixed 7650.0 * * 2nd line: creation date * format: yyyy ddd or yyyy mm dd (0 is valid for all for intial set-up) * 2004 06 29 * * 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 * rcp * * 5th line: DPFU (degrees/Jansky) for polarizations in previous line in order * 0.020998 * * 6th line: gain curve (only one) for ALL polarizations in 4th line * TYPE FORM COEFFICENTS ... * * FORM = POLY only for now * TYPE - ELEV and ALTAZ only for now * COEFFICENTS - variable number of number values * * maximum coefficents 10 * ELEV POLY 0.99408909 6.5676816e-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 * *rcp 8080.0 24.06 from spec, changed on 2010-07-22 based on new lab cal: rcp 8080.0 27.0 * *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 * * 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 * x.rx - x 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 * *fixed 7650.0 * * 2nd line: creation date * format: yyyy ddd or yyyy mm dd (0 is valid for all for intial set-up) * *2004 01 21 * * 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 * *rcp * * 5th line: DPFU (degrees/Jansky) for polarizations in previous line in order * * 0.00120 * * 6th line: gain curve (only one) for ALL polarizations in 4th line * TYPE FORM COEFFICENTS ... * * FORM = POLY only for now * TYPE - ELEV and ALTAZ 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 * *rcp 8080.0 24.06 * *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