* * calhhs.rxg - HartRAO 13.0cm S band receiver parameter definition * (Dichroic installed - only a rough RCP calibration) * * 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 * * WB fixed LO 2020 MHz * NB tuneable LO range 2065-2215 MHz * *fixed 2020 range 2020 2215 * * 2nd line: creation date * format: yyyy ddd or yyyy mm dd (0 is valid for all for intial set-up) * 2008 09 02 * * 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 * 0.00000 0.038515 * * 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 0.76882541 0.012741498 -0.0001755662 * * 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 2100.0 19.0 lcp 2200.0 19.0 lcp 2300.0 19.0 lcp 2400.0 19.0 lcp 2500.0 19.0 * rcp 2100.0 16.4 rcp 2200.0 16.4 rcp 2208.0 15.7823 rcp 2212.0 16.2790 rcp 2216.0 16.5169 rcp 2220.0 16.7333 rcp 2224.0 16.2256 rcp 2228.0 16.5068 rcp 2232.0 16.7267 rcp 2236.0 16.9062 rcp 2240.0 16.8044 rcp 2244.0 17.2176 rcp 2248.0 16.9961 rcp 2252.0 17.3716 rcp 2256.0 17.6015 rcp 2260.0 16.9588 rcp 2264.0 17.3067 rcp 2268.0 17.4141 rcp 2272.0 16.3078 rcp 2276.0 16.0410 rcp 2280.0 15.4823 rcp 2284.0 15.6837 rcp 2288.0 15.1577 rcp 2292.0 15.5706 rcp 2296.0 15.2571 rcp 2300.0 15.1075 rcp 2304.0 14.9719 rcp 2308.0 15.2070 rcp 2312.0 14.7889 rcp 2316.0 15.1853 rcp 2320.0 15.9862 rcp 2324.0 14.8294 rcp 2328.0 14.1477 rcp 2332.0 14.4611 rcp 2336.0 14.4999 rcp 2340.0 14.4428 rcp 2344.0 13.8724 rcp 2348.0 13.8598 rcp 2352.0 13.4053 rcp 2356.0 13.9180 rcp 2360.0 13.8452 rcp 2364.0 13.8650 rcp 2368.0 13.4242 rcp 2372.0 13.9631 rcp 2376.0 14.2964 rcp 2380.0 14.8222 rcp 2384.0 15.2074 rcp 2388.0 16.5276 rcp 2392.0 16.3562 rcp 2396.0 16.7347 rcp 2400.0 15.8758 rcp 2404.0 15.4156 rcp 2408.0 15.1136 rcp 2412.0 16.2221 rcp 2416.0 16.8920 rcp 2420.0 17.1404 rcp 2424.0 18.1463 rcp 2428.0 18.5999 rcp 2432.0 20.4155 rcp 2436.0 20.6054 rcp 2440.0 20.8330 rcp 2444.0 21.0235 rcp 2448.0 21.2830 rcp 2452.0 21.4672 rcp 2456.0 21.6206 rcp 2460.0 21.8173 rcp 2464.0 22.0070 rcp 2468.0 22.2235 rcp 2472.0 22.4150 rcp 2476.0 22.6589 rcp 2480.0 22.8769 rcp 2484.0 23.0360 rcp 2500.0 16.4 * *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 * * calhhs.rxg - HartRAO 13.0cm 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 * * WB fixed LO 2020 MHz * NB tuneable LO range 2065-2215 MHz * *fixed 2020 *range 2020 2215 * * 2nd line: creation date * format: yyyy ddd or yyyy mm dd (0 is valid for all for intial set-up) * *2002 10 30 * * 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 * * 0.10288 0.10288 * * 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 * *ALTAZ POLY 1.00 0.0001739 -1.412E-5 3.289E-7 -2.939E-9 * * 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 2100.0 19.0 *lcp 2200.0 19.0 *lcp 2300.0 19.0 *lcp 2400.0 19.0 *lcp 2500.0 19.0 * *rcp 2100.0 16.4 *rcp 2200.0 16.4 *rcp 2300.0 16.4 *rcp 2400.0 16.4 *rcp 2500.0 16.4 * *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