[[Observing Log]]
----
#contents
----

* CSV2016: Subref position offsets of DASH345 (2016-08-17) [#pd1acbf8]

** Tasks [#c51d5ac2]
- Subref beam maps to estimate rough offsets in DASH345
#br

*** Preparations [#ae807d92]
+ Basic checks
-- Record which kisa files are used for DASH345 and BAND8
+
 aste16@aste-ms1: ssh astecntl@aste-1c "ls -l /cosmos3/aste/etc/kisag/{DASH3,BAND8}"
 lrwxrwxrwx 1 astecntl astctl 12 Jun  3  2015 /cosmos3/aste/etc/kisag/BAND8 -> BAND8.150603
 lrwxrwxrwx 1 astecntl astctl 12 Jun  1  2015 /cosmos3/aste/etc/kisag/DASH3 -> DASH3.150601
-- Check all subref parameters (dx,dy,dz,dtx,dty,dtz) are zero
-- Check Aspirin is working in the "WIND ON" mode
+ Tuning at EL=60.0 deg
-- [[Tuning of DASH345/BAND8 for continuum observations>CSV/2016#i6322df7]]
-- Don't forget to record weather conditions
+ Pointing toward Saturn
 DASH345: stx5d3.start
+ Z-axis adjustment using Saturn
 DASH345: stsbd3z.start
-- [[Measurement and analysis for single-beam receivers>CSV/SubrefZPositionMeasurementAnalysisSBRx]]
-- Add a resultant offset to dz (if |dz| > 0.1 mm)
-- Add a resultant offset to dz (if |ddz| > 0.1 mm)

*** Subref beam maps to estimate rough offsets of DASH345 [#r1755991]
+ Take a map of Saturn with (dx,dy)=(0,0),(-1,0),(+1,0),(0,-1),(0,+1)
-- Set (dx,dy) in the subref offset GUI
-- Pointing toward Saturn
+
 DASH345: stx5d3.start
-- Map of Saturn
+
 DASH345: str02d3.start
+ Data reduction
-- Make Saturn maps from the CH1 data of the mapping observations with cont
-- [[Measurement and analysis for single-beam receivers>CSV/BeamMapMeasurementAnalysisSBRx]]

----

** Information [#q3c0053a]
- Observers: Izumi
- Site: Mitaka
- Weather conditions (2016-08-17T00:00)
 Temperature: -1.3 C
 Humidity: 0.47 hPa
 Wind: 12.4  m/s (237 deg)
 220GHz opacity: 0.0560

** Measurement Log [#n224f62b]
***Preparations [#z7672139]
+ Basic checks
-- Record which kisa files are used for DASH345 and BAND8
+
 [aste16@aste-mx3 data]$ ssh astecntl@aste-1c "ls -l /cosmos3/aste/etc/kisag/{DASH3,BAND8}"
 Warning: Permanently added 'aste-1c,200.91.21.140' (RSA) to the list of known hosts.
 lrwxrwxrwx 1 astecntl astctl 12 Jun  3  2015 /cosmos3/aste/etc/kisag/BAND8 -> BAND8.150603
 lrwxrwxrwx 1 astecntl astctl 12 Jun  1  2015 /cosmos3/aste/etc/kisag/DASH3 -> DASH3.150601
-- Check all subref parameters (dx,dy,dz,dtx,dty,dtz) are zero
-- Check Aspirin is working in the "WIND ON" mode
+ Tuning at EL=60.0 deg
 ===================================ASTE Site===================================
   Temp. :  -1.17 C   Humid. :  8.63 % (  0.48 hPa )   Solar :  0.00 kW/m2
   Wind  :   7.20 m/s  219 deg   AirPressure : 572.39 hPa    ( Rain:  0.01 )
   Opacity @220 GHz :   0.0031
 ================================ Receiver Cabin ===============================
   Main Cabin:   --- C  Upper Cabin:   --- C  AzTEC AE:   --- C  Dewar:   --- C
   SCD :   ----      ----      ----      ----
 ================================Observation Room===============================
   Temp. :  22.90 degC   Humid. :  3.00 %
   Digital BE:   29.10 degC   31.90 degC   34.29 degC   32.10 degC 
   Meeting Rm.:  Temp:  room:  -----       entrance:  -----       WC:  -----
 -------------------------------Air Conditioners--------------------------------
   Internal Out     25.10 C   21.50 C   22.50 C   23.90 C   23.70 C   28.10 C
   Internal Ret.    26.50 C   23.60 C   22.90 C   -2.40 C   23.70 C   27.10 C
   External        168.60 C   -1.80 C    1.90 C  168.60 C
 ================================Antenna Shelter================================
   Air-cond. :     6.60 degC    6.40 degC   -2.10 degC
   Room Temp.:     7.70 degC
+
 [asteobs@aste-1c ~]$ swbox_ctl_be CONT  
 [asteobs@aste-1c ~]$ swbox_ctl_be
 status: swbox_ctl_be CONT
+
 [asteobs@aste-1c ~]$ asterx_sw DASH345
 ---
 ### After setting synthe ###
 FREQ = 14.375000000 [GHz]
 AMPL = 20.00 [dBm]
 RF   = ON
+
 [asteobs@aste-1c ~]$ asterx_set DASH345
 ---
 ### Set LO Power ###
 /cosmos3/naoj/bin/loatt_dash345_tune 345.000000000
 /cosmos3/naoj/bin/loatt_dash345_val /home/astedev/frontend/loatt_ctl/loatt_dash345.conf 345.000000000
 /cosmos3/naoj/bin/loatt_dash345 225 310
 Set ATT     : Pol0=225, Pol1=310
 Pol0 =      225   , Pol1 =      310
 Pol0 = 0.005489[A], Pol1 = 0.007566[A]
 Pol0 = 0.655313[V], Pol1 = 0.773639[V]
+
 [asteobs@aste-1c ~]$ swbox_ctl_pol 0 1
 [asteobs@aste-1c ~]$ swbox_ctl_pol
 status: swbox_ctl_pol 0 1
 400:P0-USB	402:P1-USB
+
 [asteobs@aste-1c ~]$ cont_if 2 22
 Cont IF #2 Att. = 24 [dB]
 changed Cont IF #2 att. = 22 [dB]
 recieved value = -1.28357000E-04
 
 recieved value = -1.28357000E-04
 Cont IF #2 Lev. = -0.000128 [V]
+
 [asteobs@aste-1c ~]$ cont_if 3 17
 Cont IF #3 Att. = 0 [dB]
 changed Cont IF #3 att. = 0 [dB]
 recieved value = -1.13845000E-04
+ 
 recieved value = -1.13845000E-04
 Cont IF #3 Lev. = -0.000114 [V]
+Pointing toward Saturn
 dAz, dEl = 4.8, -4.8
+Z-axis adjusting using Saturn
#ref(./subrefz_160817_1.png,50%)
***Subref beam maps to estimate rough offset of DASH345 [#vd708f48]
Take a map of Saturn with (dx,dy)=(0,0),(-1,0),(+1,0),(0,-1),(0,+1)
-(dx,dy)=(0,0)
 Temp. :  -2.49 C   Humid. : 10.60 % (  0.54 hPa )   Solar :  0.00 kW/m2
 Wind  :   5.09 m/s  224 deg   AirPressure : 572.53 hPa    ( Rain:  0.01 )
 Opacity @220 GHz :   0.0511


- UT01:40 qlookc stopped to update its plots
-- It looked to be due to some connection failures between the ASTE site and Mitaka. After restarting /cosmos3/aste/rc3.d/S98astqlcsv on aste-mt1, this was resolved.
 * aste-1c:/cosmos3/aste/syslog/astqlcsv/mess
 2016-08-17 01:40:26.032 aste-1c astqlcsv        DEB     cmn_socket_write: Connection reset by peer (ret=-1, rest=8)
 2016-08-17 01:40:26.032 aste-1c astqlcsv        ERR     [4] Failed in cmn_socket_write2
 2016-08-17 01:40:26.032 aste-1c astqlcsv        DEB     [4] Connection accepted
 2016-08-17 01:40:26.032 aste-1c astqlcsv        DEB     [4] ID=0 T=1 S=256
 2016-08-17 01:40:26.032 aste-1c astqlcsv        ERR     [-1] Connection with REMOTE site not established
 2016-08-17 01:40:26.032 aste-1c astqlcsv        DEB     [4] ID=0 T=5 total=159
 2016-08-17 01:40:26.032 aste-1c astqlcsv        DEB     [4] ID=0 T=3 S=3220
 2016-08-17 01:40:26.032 aste-1c astqlcsv        DEB     [5] Connection accepted
 2016-08-17 01:40:26.032 aste-1c astqlcsv        DEB     [5] ID=0 T=1 S=256

-UTC 01:45 (dx,dy)=(-1,0)
 Temp. :  -2.57 C   Humid. : 10.88 % (  0.55 hPa )   Solar :  0.00 kW/m2
 Wind  :   7.74 m/s  246 deg   AirPressure : 572.54 hPa    ( Rain:  0.01 )
 Opacity @220 GHz :   0.0025
--Pointing toward Saturn
 dAz, dEl = -1.0, -41.0

-UTC 02:08 (dx,dy)=(+1,0)
 Temp. :  -5.52 C   Humid. : 13.04 % (  0.53 hPa )   Solar :  0.00 kW/m2
 Wind  :   7.89 m/s  270 deg   AirPressure : 572.76 hPa    ( Rain:  0.01 )
 Opacity @220 GHz :   0.0321
--Pointing toward Saturn
 dAz, dEl = -2.2, 90.0

-UTC 02:31 (dx,dy)=(0,-1)
 Temp. :  -5.75 C   Humid. : 14.69 % (  0.58 hPa )   Solar :  0.00 kW/m2
 Wind  :   8.20 m/s  271 deg   AirPressure : 572.72 hPa    ( Rain:  0.01 )
 Opacity @220 GHz :   0.0432
--Pointing toward Saturn
 dAz, dEl = -44.0, -43.0

-UTC 02:55 (dx,dy)=(0,+1)
 Temp. :  -5.81 C   Humid. : 16.47 % (  0.65 hPa )   Solar :  0.00 kW/m2
 Wind  :   8.83 m/s  270 deg   AirPressure : 572.85 hPa    ( Rain:  0.01 )
 Opacity @220 GHz :   0.0501
--Pointing toward Saturn
 dAz, dEl = 86.5, 0.4

-Results
--(dx,dy)=(0,0)~
#ref(./C608170048CH1.png,50%)
--(dx,dy)=(-1,0)~
#ref(./C608170153CH1.png,50%)
--(dx,dy)=(+1,0)~
#ref(./C608170217CH1.png,50%)
--(dx,dy)=(0,-1)~
#ref(./C608170242CH1.png,50%)
--(dx,dy)=(0,+1)~
#ref(./C608170304CH1.png,50%)

***USB LSB check [#kef4ad09]
''GPIB error''~
=> Can not use Mac
- The GPIB interface of MAC is connected with aste-1c through a LAN-GPIB converter (gpib2). We tried "ping gpib2" on aste-1c, but no replay was received.
- We gave up MAC observations and requested on-site people to check gpib2.

***Level check on DASBOX [#pa947edb]
-Tuning DASH345
 [asteobs@aste-1c ~]$ swbox_ctl_be CONT 
 [asteobs@aste-1c ~]$ swbox_ctl_be
 status: swbox_ctl_be CONT
-
 [asteobs@aste-1c ~]$ asterx_sw DASH345
 ---
 ### After setting synthe ###
 FREQ = 14.375000000 [GHz]
 AMPL = 20.00 [dBm]
 RF   = ON
 [asteobs@aste-1c ~]$ synthe_ctl B FREQ 14.375
 FREQ = 14.375000000 [GHz]
 AMPL = 20.00 [dBm]
 RF   = ON
 ### After setting synthe ###
 FREQ = 14.375000000 [GHz]
 AMPL = 20.00 [dBm]
 RF   = ON
-
 [asteobs@aste-1c ~]$ asterx_set DASH345
 ---
 Pol0 =      225   , Pol1 =      310
 Pol0 = 0.005491[A], Pol1 = 0.007567[A]
 Pol0 = 0.660267[V], Pol1 = 0.777363[V]
-
 [asteobs@aste-1c ~]$ swbox_ctl_pol 0 1 
 [asteobs@aste-1c ~]$ swbox_ctl_pol
 status: swbox_ctl_pol 0 1
 400:P0-USB	402:P1-USB
-
 [asteobs@aste-1c ~]$ cont_if 2 22
 Cont IF #2 Att. = 22 [dB]
 changed Cont IF #2 att. = 22 [dB]
 recieved value = -7.33110000E-05
 
 recieved value = -7.33110000E-05
 Cont IF #2 Lev. = -0.000073 [V]
-
 [asteobs@aste-1c ~]$ cont_if 3 17
 Cont IF #3 Att. = 0 [dB]
 changed Cont IF #3 att. = 0 [dB]
 recieved value = -2.48960000E-05
 
 recieved value = -2.48960000E-05
 Cont IF #3 Lev. = -0.000025 [V]

-UTC 04:55 urx5d3
 Temp. :  -5.61 C   Humid. : 19.22 % (  0.77 hPa )   Solar :  0.00 kW/m2
 Wind  :   2.84 m/s  220 deg   AirPressure : 573.07 hPa    ( Rain:  0.01 )
 Opacity @220 GHz :   0.0314
#ref(CONT.urx5d3.aste16.sbrf16.201608170454ch1.png,,50%)
#ref(CONT.urx5d3.aste16.sbrf16.201608170454ch2.png,,50%)

-Tuning Band8
 [asteobs@aste-1c ~]$ swbox_ctl_be CONT 
 [asteobs@aste-1c ~]$ swbox_ctl_be
 status: swbox_ctl_be CONT
-
 [asteobs@aste-1c ~]$ asterx_sw BAND8
 ---
 ### After setting synthe ###
 FREQ = 14.375000000 [GHz]
 AMPL = 13.00 [dBm]
 RF   = ON
-
 [asteobs@aste-1c ~]$ synthe_ctl B FREQ 11.444
 FREQ = 14.375000000 [GHz]
 AMPL = 13.00 [dBm]
 RF   = ON
 ### After setting synthe ###
 FREQ = 11.444000000 [GHz]
 AMPL = 13.00 [dBm]
 RF   = ON
-
 [asteobs@aste-1c ~]$ asterx_set BAND8
 ---
 > GET_PA 0 
 2.965698,247.726440,-0.291138
 > GET_PA 1 
 4.021912,262.252808,-0.345917
-
 [asteobs@aste-1c ~]$ swbox_ctl_pol 0 1
 [asteobs@aste-1c ~]$ swbox_ctl_pol
 status: swbox_ctl_pol 0 1
 400:P0-USB	402:P1-USB
-
 [asteobs@aste-1c ~]$ cont_if 2 23  
 Cont IF #2 Att. = 22 [dB]
 changed Cont IF #2 att. = 23 [dB]
 recieved value = -2.01420000E-05
 
 recieved value = -2.01420000E-05
 Cont IF #2 Lev. = -0.000020 [V]
-
 [asteobs@aste-1c ~]$ cont_if 3 19
 Cont IF #3 Att. = 0 [dB]
 changed Cont IF #3 att. = 0 [dB]
 recieved value = -1.20976000E-04
 
 recieved value = -1.20976000E-04
 Cont IF #3 Lev. = -0.000121 [V]

-UTC 05:11 urx5d8
 Temp. :  -5.14 C   Humid. : 20.08 % (  0.84 hPa )   Solar :  0.00 kW/m2
 Wind  :   3.56 m/s  256 deg   AirPressure : 572.97 hPa    ( Rain:  0.01 )
 Opacity @220 GHz :   0.0355
#ref(CONT.urx5b8.aste16.sbrf16.201608170512ch1.png,,50%)
#ref(CONT.urx5b8.aste16.sbrf16.201608170512ch2.png,,50%)
-- Close look of jagged waveform seen in CH1
-
#ref(CONT.urx5b8.aste16.sbrf16.201608170512ch1t300-600.png,,50%)
--- In our rough estimate, the cycle and peak-to-peak amplitude of the waveform are roughly 0.4 seconds (~48 cycles/20 seconds) and 2% of sky levels (~120 / 6000), respectively.

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