SEST -- MOPRA Comparison at Millimetre-Waves
Bärbel Koribalski (ATNF), Simon Johnston (RCfTA)
Gain Calibration (3 June 1997, UT about 7:20)
- Frequency Set-up
- Channel A: HCO+ (89.188 GHz, LSB), nominal Trx = 69 K
- Channel B: SiO (86.847 GHz, DSB)
- Gtp_log (average)
- Channel A: 2.6 (paddle out), ?.? (paddle in)
- Channel B: 1.6 (paddle out), ?.? (paddle in)
- Vanecal (assuming tau = 0, Trx = 65 K)
- Channel A: eff. Tsys = 337.8 K
- Channel B: eff. Tsys = 482.4 K
- Skydip => tau, Tsky, Trx, Tscatter, alpha
- Channel A: 0.119, 32.5, 81.1, 41.8, 6.2
- Channel B: 0.117, 32.3, 77.2, 41.4, 2.6
- Y-factor
- Channel A: -3.8 (from day before)
- Channel B: ??
B. Koribalski