[asteobs@aste-1c ~]$ asterx_set BAND8 ### Query of LO Freq ### LO Freq = 486.357622236 ### Set CLNA ### /cosmos3/naoj/bin/femc_ctl BAND8 CLNA_ON 486.357622236 vd0=0.650000, id0=5.000000 vd1=0.600000, id1=4.500000 vd2=0.600000, id2=4.500000 ### Set Electro-magnet ### /cosmos3/naoj/bin/femc_ctl BAND8 MAG_ON 486.357622236 v=17.500000, 21.500000, 13.800000, 19.100000 ### Set SIS bias ### /cosmos3/naoj/bin/femc_ctl BAND8 SIS_ON 486.357622236 486.357622 1.885669 1.856583 1.896000 1.849000 ### Set LO Power ### /cosmos3/naoj/bin/femc_ctl BAND8 WCA_ON 486.357622236 v=1.443178, -0.300000, 2.364899, -0.350000 [asteobs@aste-1c ~]$ mmc1_rstop [asteobs@aste-1c ~]$ ifeo_tune 1 0.030 volt=0.030000 E/O att. = 4 dB E/O att. = 4 dB IF level=0.126395 new E/O att. = 4 dB IF level=0.126014 new E/O att. = 6 dB IF level=0.082611 new E/O att. = 8 dB IF level=0.003620 new E/O att. = 6 dB IF level=0.082689 new E/O att. = 8 dB IF level=0.003704 8 dB 0.003704 V [asteobs@aste-1c ~]$ ifeo_tune 2 0.050 volt=0.050000 E/O att. = 15 dB IF level=0.024205 new E/O att. = 15 dB IF level=0.023749 new E/O att. = 14 dB IF level=0.031845 new E/O att. = 13 dB IF level=0.039488 new E/O att. = 12 dB IF level=0.050575 new E/O att. = 13 dB IF level=0.035613 new E/O att. = 12 dB IF level=0.050701 12 dB 0.050701 V [asteobs@aste-1c ~]$ mmc1_sstop [asteobs@aste-1c ~]$ yfactor 1 E/O att. = 8 dB E/O IF level = 0.003616 V R=0.003781 V, Sky=0.003616 V, Y=0.193783 dB 0.193783 [asteobs@aste-1c ~]$ yfactor 2 E/O att. = 12 dB E/O IF level = 0.042971 V R=0.048506 V, Sky=0.042971 V, Y=0.526200 dB 0.526200
Temp. : -0.95 C Humid. : 9.95 % ( 0.57 hPa ) Solar : 0.98 kW/m2 Wind : 13.82 m/s 303 deg AirPressure : 568.52 hPa ( Rain: 0.01 ) Opacity @220 GHz : 0.0171
[asteobs@aste-1c ~]$ asterx_set BAND8 ### Query of LO Freq ### LO Freq = 486.357579864 ### Set CLNA ### /cosmos3/naoj/bin/femc_ctl BAND8 CLNA_ON 486.357579864 vd0=0.650000, id0=5.000000 vd1=0.600000, id1=4.500000 vd2=0.600000, id2=4.500000 ### Set Electro-magnet ### /cosmos3/naoj/bin/femc_ctl BAND8 MAG_ON 486.357579864 v=17.500000, 21.500000, 13.800000, 19.100000 ### Set SIS bias ### /cosmos3/naoj/bin/femc_ctl BAND8 SIS_ON 486.357579864 486.357580 1.885670 1.856582 1.896000 1.849000 ### Set LO Power ### /cosmos3/naoj/bin/femc_ctl BAND8 WCA_ON 486.357579864 v=1.443182, -0.300000, 2.364908, -0.350000 [asteobs@aste-1c ~]$ mmc1_rstop [asteobs@aste-1c ~]$ ifeo_tune 1 0.030 volt=0.030000 E/O att. = 8 dB E/O att. = 8 dB IF level=0.003815 new E/O att. = 8 dB IF level=0.003814 new E/O att. = 6 dB IF level=0.100922 new E/O att. = 8 dB IF level=-0.010826 8 dB -0.010826 V [asteobs@aste-1c ~]$ ifeo_tune 2 0.050 volt=0.050000 E/O att. = 12 dB IF level=0.064576 new E/O att. = 12 dB IF level=0.064772 new E/O att. = 13 dB IF level=0.046464 new E/O att. = 12 dB IF level=0.067733 new E/O att. = 13 dB IF level=0.048065 13 dB 0.048065 V [asteobs@aste-1c ~]$ mmc1_sstop [asteobs@aste-1c ~]$ yfactor 1 E/O att. = 8 dB E/O IF level = 0.003596 V R=0.003762 V, Sky=0.003596 V, Y=0.195991 dB 0.195991 [asteobs@aste-1c ~]$ yfactor 2 E/O att. = 13 dB E/O IF level = 0.041147 V R=0.051352 V, Sky=0.041147 V, Y=0.962192 dB 0.962192
A1: pol0 USB (492.16 GHz, CI) A2: pol0 USB (492.16 GHz, CI) A3: pol0 LSB (480.56 GHz, no line but ozone) A4: pol0 LSB (480.56 GHz, no line but ozone)
Temp. : -0.78 C Humid. : 11.99 % ( 0.69 hPa ) Solar : 1.02 kW/m2 Wind : 13.77 m/s 288 deg AirPressure : 568.28 hPa ( Rain: 0.01 ) Opacity @220 GHz : 0.0715
### Query of LO Freq ### LO Freq = 466.845837912
### Set CLNA ### /cosmos3/naoj/bin/femc_ctl BAND8 CLNA_ON 466.845837912 vd0=0.650000, id0=5.000000 vd1=0.600000, id1=4.500000 vd2=0.600000, id2=4.500000
### Set Electro-magnet ### /cosmos3/naoj/bin/femc_ctl BAND8 MAG_ON 466.845837912 v=12.800000, 13.400000, 13.800000, 19.100000
### Set SIS bias ### /cosmos3/naoj/bin/femc_ctl BAND8 SIS_ON 466.845837912 466.845838 1.797597 1.784707 1.763293 1.767293
### Set LO Power ### /cosmos3/naoj/bin/femc_ctl BAND8 WCA_ON 466.845837912 v=1.300000, -0.300000, 2.500000, -0.350000
[asteobs@aste-1c ~]$ mmc1_rstop [asteobs@aste-1c ~]$ ifeo_tune 1 0.030 volt=0.030000
E/O att. = 8 dB E/O att. = 8 dB IF level=0.006154
new E/O att. = 8 dB IF level=0.006140 new E/O att. = 6 dB IF level=0.239065 new E/O att. = 8 dB IF level=-0.014656
8 dB -0.014656 V
[asteobs@aste-1c ~]$ ifeo_tune 2 0.050 volt=0.050000
E/O att. = 13 dB IF level=0.089988
new E/O att. = 13 dB IF level=0.088885 new E/O att. = 14 dB IF level=0.066883 new E/O att. = 15 dB IF level=0.053324 new E/O att. = 16 dB IF level=0.042855 new E/O att. = 15 dB IF level=0.059700 15 dB 0.059700 V [asteobs@aste-1c ~]$ mmc1_sstop
[asteobs@aste-1c ~]$ yfactor 1
E/O att. = 8 dB E/O IF level = 0.005739 V
R=0.006034 V, Sky=0.005739 V, Y=0.217691 dB
[asteobs@aste-1c ~]$ yfactor 2
E/O att. = 15 dB E/O IF level = 0.051542 V
R=0.056387 V, Sky=0.051542 V, Y=0.390177 dB
Temp. : -2.76 C Humid. : 21.54 % ( 1.07 hPa ) Solar : 0.44 kW/m2 Wind : 13.53 m/s 274 deg AirPressure : 568.07 hPa ( Rain: 0.01 ) Opacity @220 GHz : 0.0992
Temp. : -2.46 C Humid. : 20.65 % ( 1.05 hPa ) Solar : 0.21 kW/m2 Wind : 13.00 m/s 220 deg AirPressure : 568.17 hPa ( Rain: 0.01 ) Opacity @220 GHz : 0.0952
asterx_set BAND8 ifeo_tune ... [asteobs@aste-1c ~]$ yfactor 1 E/O att. = 8 dB E/O IF level = 0.003684 V R=0.003749 V, Sky=0.003684 V, Y=0.075958 dB [asteobs@aste-1c ~]$ yfactor 2 E/O att. = 12 dB E/O IF level = 0.047282 V R=0.049169 V, Sky=0.047282 V, Y=0.169955 dB
OK, this is just because a high Tsys. QLOOK virtually shows a Tsys spectrum with noise recorded in a last R-SKY measurement.
Temp. : -6.79 C Humid. : 31.01 % ( 1.14 hPa ) Solar : 0.00 kW/m2 Wind : 6.15 m/s 244 deg AirPressure : 569.06 hPa ( Rain: 0.01 ) Opacity @220 GHz : 0.0825
Temp. : -8.46 C Humid. : 30.94 % ( 1.00 hPa ) Solar : 0.00 kW/m2 Wind : 8.30 m/s 254 deg AirPressure : 569.26 hPa ( Rain: 0.01 ) Opacity @220 GHz : 0.1064