History of Observing Log/2017-07-12(No. 2)

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- 1 (2017-07-12 (Wed) 17:01:39)
- 2 (2017-07-12 (Wed) 19:44:33)

Observing Log

Investigation of baseband ripples in DASH345 (ASTE-220)

Investigation of baseband ripples in DASH345 (ASTE-220)†

↑

Notes†

To 伊藤さま (from 鎌ざき)
- synthe_ctlのamplitude設定に上限値はありません。+23dBも設定できます。
- EP Aqrの指示書を用意しました。
  obs table DBE Fcenter Fif Notes
  
  EPAD3pw MAC-WIDE 345.79599 (LSB) 6.0
  
  EPAD3p2 WHSF 345.79599 (LSB) 5.119875
  
  EPAB8p2 WHSF 461.041 (LSB) 5.119875
- Tuning時はifeo_tuneおよびwhsf_tuneで表示されるアッテネーター値および信号レベルを記録して下さい。これはDASH345およびBAND8から適切なレベルの受信機信号が出ていることを確認する為です。

↑

Information†

Observers:T. Ito
Site:Mitaka

Weather conditions

ASTE Environment Monitor 2017/07/12 08:46:48
===================================ASTE Site===================================
 Temp. :  -5.32 C   Humid. : 24.63 % (  1.01 hPa )   Solar :  0.00 kW/m2
 Wind  :   7.20 m/s  246 deg   AirPressure : 572.70 hPa    ( Rain:  0.01 )
 Opacity @220 GHz :      ---
================================ Receiver Cabin ===============================
 Main Cabin:   --- C  Upper Cabin:   --- C  AzTEC AE:   --- C  Dewar:   --- C
 SCD :   ----      ----      ----      ----
================================Observation Room===============================
 Temp. :  17.04 degC   Humid. :  7.33 %
 DBE(MAC):   21.6 degC  29.4 degC  26.3 degC  24.6 degC
 DBE(WHSF):  23.0 degC  23.0 degC  24.0 degC  26.0 degC  25.0 degC  25.0 degC
 Meeting Rm.:  23.60 degC   entrance:  13.00 degC   WC:   7.50 ( 168.60)
-------------------------------Air Conditioners--------------------------------
 Internal Out     18.50 C   16.30 C   18.00 C   18.39 C   -3.50 C   21.70 C
 Internal Ret.    21.20 C   16.30 C   18.30 C   -6.00 C   17.30 C   22.00 C
 External        168.60 C  -10.00 C   -7.90 C  168.60 C
================================Antenna Shelter================================
 Air-cond. :     1.70 degC   -0.60 degC   -4.50 degC
 Room Temp.:     0.00 degC

↑

Measurement Logs†

Pointing toward EPaqr with DASH345 12CO WHSF
```
linux/EPAD3p2 
```
- UT0842 start tuning
- Az,El = -53, 57

[asteobs@aste-1c 20170712T084222 itotetsu]$ asterx_set DASH345
### Query of LO Freq ###
LO Freq = 350.984991672
...
### Set LO Power ###
/cosmos3/naoj/bin/loatt_dash345 289 199
Set ATT     : Pol0=289, Pol1=199
Pol0 =      289   , Pol1 =      199
Pol0 = 0.007054[A], Pol1 = 0.004857[A]
Pol0 = 0.661777[V], Pol1 = 0.729943[V]
...
> GET_SIS_VC 0 1 
1.831970,47.863770
> GET_SIS_VC 0 2 
1.847534,37.585449
> GET_SIS_VC 1 1 
1.857910,41.928101
> GET_SIS_VC 1 2 
1.830521,51.544189

[asteobs@aste-1c 20170712T085028 itotetsu]$ whsf_tune S1USB S1LSB S2USB S2LSB
...
	***Set ATT***
	S1USB:ATT_old = 17.50 [dB]
	S1USB:ATT_new = 17.50 [dB]
	S1LSB:ATT_old = 19.25 [dB]
	S1LSB:ATT_new = 19.25 [dB]
	S2USB:ATT_old = 15.25 [dB]
	S2USB:ATT_new = 15.25 [dB]
	S2LSB:ATT_old = 16.50 [dB]
	S2LSB:ATT_new = 16.50 [dB]
	***Please wait a moment***
	***TPD voltage***
	S1USB	S1LSB	S2USB	S2LSB	X-IF1	X-IF2	Y-IF1	Y-IF2
	62.28	57.80	58.77	60.84	86.79	87.84	90.40	90.73	[mV]

[asteobs@aste-1c 20170712T085417 itotetsu]$ whsf_tune X-IF1 X-IF2 Y-IF1 Y-IF2
...
	***Set ATT***
	S1IFA:ATT_old = 7.25 [dB]
	S1IFA:ATT_new = 7.25 [dB]
	S1IFB:ATT_old = 5.75 [dB]
	S1IFB:ATT_new = 5.75 [dB]
	S2IFA:ATT_old = 6.00 [dB]
	S2IFA:ATT_new = 6.00 [dB]
	S2IFB:ATT_old = 6.75 [dB]
	S2IFB:ATT_new = 6.75 [dB]
	***Please wait a moment***
	***TPD voltage***
	S1USB	S1LSB	S2USB	S2LSB	X-IF1	X-IF2	Y-IF1	Y-IF2
	62.48	57.70	58.69	60.87	86.98	87.75	90.27	90.83	[mV]

[asteobs@aste-1c 20170712T085510 itotetsu]$ whsf_rsky
...
	Result: Tsys[Tamb=293K]
	S1USB	S1LSB	S2USB	S2LSB	X-IF1	X-IF2	Y-IF1	Y-IF2
	316.5	232.7	329.0	276.3	303.0	239.1	315.6	295.6	[K]

[asteobs@aste-1c 20170712T085708 itotetsu]$ whsf_stab 10
	*** stability ***
	S1USB	S1LSB	S2USB	S2LSB	X-IF1	X-IF2	Y-IF1	Y-IF2
	0.07	0.08	0.08	0.09	0.12	0.08	0.07	0.09	[%]

UT0859 start observation
In X1 and X3 QLOOK windows, spurious lines are appeared.
UT0905 tuning start again

UT0907 start observation again

[asteobs@aste-1c 20170712T085725 itotetsu]$ synthe_ctl B
FREQ = 14.624372066 [GHz]
AMPL = 20.00 [dBm]
RF   = ON

(captured graohs are not set fixed span.)
&ref(): File not found: "EPAD3p2-WHSF-DASH345-20170712a.png" at page "Observing Log/2017-07-12";
&ref(): File not found: "EPAD3p2-WHSF-DASH345-20170712b.png" at page "Observing Log/2017-07-12";

Pointing toward EPaqr with DASH345 12CO WHSF Synthe output +20dB -> +23dB

[asteobs@aste-1c 20170712T090749 itotetsu]$ synthe_ctl B AMPL 23
FREQ = 14.624370831 [GHz]
AMPL = 20.00 [dBm]
RF   = ON
### After setting synthe ###
FREQ = 14.624370831 [GHz]
AMPL = 23.00 [dBm]
RF   = ON

 [asteobs@aste-1c 20170712T093106 itotetsu]$ /cosmos3/naoj/bin/loatt_dash345 289 203
> GET_SIS_VC 0 1 
1.831589,49.179077
> GET_SIS_VC 0 2 
1.858215,38.864136
> GET_SIS_VC 1 1 
1.852341,42.202759
> GET_SIS_VC 1 2 
1.831970,51.452637

UT0932 START OBSERVATION
Just after pushing start button, re-changed AMPL pow with "$ synthe_ctl B AMPL 23".
&ref(): File not found: "EPAD3p2-WHSF-DASH345-SG23dB-20170712c.png" at page "Observing Log/2017-07-12";
&ref(): File not found: "EPAD3p2-WHSF-DASH345-SG23dB-20170712d.png" at page "Observing Log/2017-07-12";
&ref(): File not found: "EPAD3p2-WHSF-DASH345-SG23dB-20170712e.png" at page "Observing Log/2017-07-12";
10th scan
&ref(): File not found: "EPAD3p2-WHSF-DASH345-SG23dB-20170712f.png" at page "Observing Log/2017-07-12"; 11th scan

Pointing toward EPaqr with DASH345 12CO MACw

 linux/EPAD3pw

UT1001 start tuning

Az,El = -71, 40

[asteobs@aste-1c 20170712T100351 itotetsu]$ asterx_set DASH345
### Query of LO Freq ###
LO Freq = 351.864948672
...
> GET_SIS_VC 0 1 
1.841888,32.266235
> GET_SIS_VC 0 2 
1.861725,25.445557
> GET_SIS_VC 1 1 
1.858749,39.682007
> GET_SIS_VC 1 2 
1.828232,54.138184

[asteobs@aste-1c 20170712T100647 itotetsu]$ mmc1_rstop
...
[asteobs@aste-1c 20170712T100846 itotetsu]$ ifeo_tune 1 0.030
...
new E/O att. = 16 dB    IF level=0.023949
16 dB  0.023949 V
[asteobs@aste-1c 20170712T100855 itotetsu]$ ifeo_tune 2 0.050
...
new E/O att. = 13 dB    IF level=0.053492
13 dB  0.053492 V

yfactor 1

[asteobs@aste-1c 20170712T101047 itotetsu]$ yfactor 1
...
E/O att. = 16 dB
E/O IF level = 0.015778 V
R=0.026605 V,  Sky=0.015778 V, Y=2.269113 dB
2.269113

yfactor 2

[asteobs@aste-1c 20170712T101157 itotetsu]$ yfactor 2
...
    E/O att. = 13 dB
E/O IF level = 0.030348 V
R=0.052757 V,  Sky=0.030348 V, Y=2.401500 dB
2.401500

&ref(): File not found: "EPAD3pw-MACw-DASH345-20170712g.png" at page "Observing Log/2017-07-12";

Pointing toward EPaqr with BAND8 12CO WHSF

linux/EPAB8p2

UT1024 start tuning

Az,El = -74, 35

[asteobs@aste-1c 20170712T101339 itotetsu]$ asterx_set BAND8
### Query of LO Freq ###
LO Freq = 466.252762500
...
> GET_SIS_VC 0 1 
1.694870,78.182983
> GET_SIS_VC 0 2 
1.630020,92.193604
> GET_SIS_VC 1 1 
2.120819,66.168213
> GET_SIS_VC 1 2 
1.734467,55.093384

[asteobs@aste-1c 20170712T102827 itotetsu]$ whsf_tune S1USB S1LSB S2USB S2LSB
...
	***Set ATT***
	S1USB:ATT_old = 17.50 [dB]
	S1USB:ATT_new = 17.50 [dB]
	S1LSB:ATT_old = 19.25 [dB]
	S1LSB:ATT_new = 19.25 [dB]
	S2USB:ATT_old = 16.50 [dB]
	S2USB:ATT_new = 17.75 [dB]
	S2LSB:ATT_old = 19.00 [dB]
	S2LSB:ATT_new = 19.25 [dB]
	***Please wait a moment***
	***TPD voltage***
	S1USB	S1LSB	S2USB	S2LSB	X-IF1	X-IF2	Y-IF1	Y-IF2
	62.19	60.58	60.94	59.31	93.15	101.21	127.65	118.34	[mV]

[asteobs@aste-1c 20170712T102947 itotetsu]$ whsf_tune X-IF1 X-IF2 Y-IF1 Y-IF2
...
	***Set ATT***
	S1IFA:ATT_old = 7.25 [dB]
	S1IFA:ATT_new = 7.25 [dB]
	S1IFB:ATT_old = 6.25 [dB]
	S1IFB:ATT_new = 6.25 [dB]
	S2IFA:ATT_old = 7.50 [dB]
	S2IFA:ATT_new = 7.50 [dB]
	S2IFB:ATT_old = 7.75 [dB]
	S2IFB:ATT_new = 7.75 [dB]
	***Please wait a moment***
	***TPD voltage***
	S1USB	S1LSB	S2USB	S2LSB	X-IF1	X-IF2	Y-IF1	Y-IF2
	61.86	60.56	61.26	59.10	92.73	91.83	86.58	94.25	[mV]

[asteobs@aste-1c 20170712T103054 itotetsu]$ whsf_rsky
...
	Result: R-SKY
	S1USB	S1LSB	S2USB	S2LSB	X-IF1	X-IF2	Y-IF1	Y-IF2
	0.123	0.445	0.118	0.395	0.132	0.466	0.133	0.412	[dB]
	Result: Tsys[Tamb=293K]
	S1USB	S1LSB	S2USB	S2LSB	X-IF1	X-IF2	Y-IF1	Y-IF2
	10225.5	2718.6	10643.5	3074.7	9477.5	2588.7	9428.0	2942.6	[K]

[asteobs@aste-1c 20170712T103157 itotetsu]$ mmc1_rstop
...
	*** average ***
	S1USB	S1LSB	S2USB	S2LSB	X-IF1	X-IF2	Y-IF1	Y-IF2
	61.9	60.6	61.3	59.2	92.9	91.8	86.6	94.3	[mV]
	*** stability ***
	S1USB	S1LSB	S2USB	S2LSB	X-IF1	X-IF2	Y-IF1	Y-IF2
	0.09	0.07	0.04	0.07	0.12	0.07	0.04	0.08	[%]

UT1037 start observation
&ref(): File not found: "EPAB8p2-WHSF-BAND8-20170712h.png" at page "Observing Log/2017-07-12";

obs table	DBE	Fcenter	Fif	Notes
EPAD3pw	MAC-WIDE	345.79599 (LSB)	6.0
EPAD3p2	WHSF	345.79599 (LSB)	5.119875
EPAB8p2	WHSF	461.041 (LSB)	5.119875

History of Observing Log/2017-07-12 (No. 2)

Investigation of baseband ripples in DASH345 (ASTE-220)†

Notes†

Information†

Measurement Logs†