SEST -- MOPRA Comparison at Millimetre-Waves
Bärbel Koribalski (ATNF), Simon Johnston (RCfTA)
Gain Calibration (5 June 1997, UT about 19:10)
- Frequency Set-up
- Channel A: HCO+ (89.188 GHz, LSB), nominal Trx = 69 K
- Channel B: HCO+ (89.188 GHz, LSB), nominal Trx = 69 K
- Gtp_log (average)
- Channel A: 2.3 (paddle out), 4.4 (paddle in)
- Channel B: 1.9 (paddle out), 3.8 (paddle in)
- Vanecal (assuming tau = 0, Trx = 65 K)
- Channel A: eff. Tsys = 360.8 K
- Channel B: eff. Tsys = 443.6 K
- Skydip => tau, Tsky, Trx, Tscatter, alpha
- Channel A: 0.145, 39.3, 90.4, 42.9, 4.8
- Channel B: 0.142, 38.5, 69.1, 40.5, 2.7
- Y-factor
- Channel A: -3.8 (from before)
- Channel B: -4.2 (from before)
B. Koribalski