GTAC Observation Log

1. Date : 21/05/2017
2. Observation Sr. No. : 9416
3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Nikhil Vijay Naik, Kishalay De, Yogesh Maan, Manjari Bagchi, Jayanta Roy, Gopakumar Achamveedu
4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, naiknikhil27@gmail.com, ugkishalayde@ug.iisc.in, ymaan@ncra.tifr.res.in, manjari.bagchi@gmail.com, jroy@ncra.tifr.res.in, gopu.tifr@gmail.com
5. Project Name : Towards precision pulsar timing with the upgraded GMRT
6. Project Code : 32_032
7. Operator(s) : Surender
8. Command File : /odisk/gtac/cmd/32_032/21may/obs.cmd
9. LTA File : /gsbifrdata1/21may/32_032_21may2017.lta, /gwbifrdata1/21may/32_032_21may2017_lband_gwb.lta, /gwbifrdata1/21may/32_032_21may2017_500_gwb.lta, /gwbifrdata1/21may/32_032B_21may2017_500_gwb.lta
10. LogFlag File : /odisk/online1/logflags/32_032B.FLAGS.4, /odisk/online1/logflags/32_032.FLAGS.4

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : PA
22. Beam - 2 : PA
23. ACQ BW : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1454 1454 1505 1505 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
C14 : : Structural Repairing work.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 21 May 2017 19:00:00 - 21 May 2017 23:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :28

37. Comments (During Observations) :
data Recording on: gwbh6,gwbh7 and gwbh8 : /data4/gpuuuser/21may2017/*
----------------------------------------------------------------------
GWB Suba2 : 325 mhz GAB LO=500 Mhz,
    Suba4 : 1420 Mhz GAB LO=1460 Mhz.
    Total Intensity, 200Mhz BW, 2048k Channels, Beam Int 8,PA-PA 
-----------------------------------------------------------------------
-----------------------------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C02 C05 C08 C11 E02 S01 W01 Total=8
# BEAM-1:175 :: C00 C02 C05 C08 C11 E02 S01 W01 Total=8
# BEAM-2:130 :: C01 C03 C04 C06 C09 C10 C12 C13 E03 E04 E05 E06 S02 S03 S04 S06 W02 W03 W04 W05 W06 Total=21
# BEAM-2:175 :: C01 C03 C04 C06 C09 C10 C12 C13 E03 E04 E05 E06 S02 S03 S04 S06 W02 W03 W04 W05 W06 Total=21
# BEAM-3:130 :: Total=0
# BEAM-3:175 :: Total=0
# BEAM-4:130 :: Total=0
# BEAM-4:175 :: Total=0
--------------------------------------------
--------------------------------------------
18:00:00 : Started setup.
18:00:00 : Started settings for both Suba2 and Suba 4.
18:24:27 : Started scan on 3C147 for ~ 0.671088 min.
18:28:30 : Started scan on 3C147 for ~ 6.8451 min.
18:35:35 : Started scan on 3C147 for ~ 3.48966 min.
18:44:27 : Started scan on 0744-064 for ~ 0.939523 min.
18:45:42 : Power eq and Phasing done on 0744-064 for ~ 0.671088 min.
18:47:56 : Started scan on J0613-0200 for ~ 20.1326 min.
19:10:46 : Started scan on 3C147 for ~ 0.939523 min.
19:12:02 : Started scan on 3C147 for ~ 0.53687 min.
19:13:45 : Started scan on J0645+5158 for ~ 20.1326 min.
19:37:05 : Started scan on 0744-064 for ~ 0.939523 min.
19:38:19 : Started scan on 0744-064 for ~ 0.671088 min.
19:40:35 : Started scan on J0751+1807 for ~ 20.1326 min.
20:03:07 : Started scan on 0834+555 for ~ 0.939523 min.
20:04:22 : Started scan on 0834+555 for ~ 0.53687 min.
20:06:15 : Started scan on J1012+5307 for ~ 19.9984 min.
20:32:08 : Started scan on 1130-148 for ~ 1.07374 min.
20:33:23 : Started scan on 1130-148 for ~ 0.53687 min.
20:30:00 : S02 Removed from GAC due to ABC time -out.
20:36:46 : Started scan on J1022+1001 for ~ 20.1326 min.
20:59:27 : Started scan on 1130-148 for ~ 0.939523 min.
21:00:44 : Started scan on 1130-148 for ~ 0.671088 min.
21:03:06 : Started scan on J1024-0719 for ~ 20.1326 min.
21:26:08 : Started scan on 1311-222 for ~ 0.939523 min.
21:27:24 : Started scan on 1311-222 for ~ 0.671088 min.
21:29:38 : Started scan on J1455-3330 for ~ 19.9984 min.
21:55:42 : Started scan on 1311-222 for ~ 0.939523 min.
21:56:59 : Started scan on 1311-222 for ~ 0.671088 min.
21:59:57 : Started scan on J1614-2230 for ~ 20.1326 min.
22:39:16 : Started scan on 1311-222 for ~ 1.74483 min.
23:00:00 : Stopped scan and observing session over.