GTAC Observation Log

1. Date : 18/12/2021
2. Observation Sr. No. : 13769
3. Observer : Evan Lewis, Julia Deneva, Timothy Olszanski, Maura Ann McLaughlin, Jayanta Roy, Bhaswati Bhattacharyya, Shyam Sunder
4. Observer\'s Email : efl0003@mix.wvu.edu, julia.deneva@gmail.com, timothyolszanski@gmail.com, maura.mclaughlin@mail.wvu.edu, jroy@ncra.tifr.res.in, bhaswati@ncra.tifr.res.in, ssunder@ncra.tifr.res.in
5. Project Name : Timing of Millisecond Pulsars Discovered in the Arecibo Observatory 327 MHz Drift Survey (AO327)
6. Project Code : 41_052
7. Operator(s) : Deepak
8. Command File : /data1/gtac/cmd/41_052/obs_20nov.py
9. LTA File : /gwbifrdata/18dec/41_052_18dec2021_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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/TGC
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
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) : 591 591 540 540 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) :
C03 : Mechanical Work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 18 Dec 2021 12:00:00 - 18 Dec 2021 15:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :29

37. RFI Status :

38. Comments (During Observations) :
GPU_MODE    = 0		/* 0 - Realtime, 1 - RawDump          */
GPU_LTA     = 8		/* LTA values can be : 1,2,4,8,16,32 etc.  */
GPU_ACQ_BW  = 200.0000		/* 100 MHz, 200 MHz, and 400 MHz etc.  */
GPU_FINAL_BW= 1		/* 1,2,4,8,16,32,64 As divisor of ACQ_BW, Val = 200 */
GPU_EDGE_FRQ= 0.000000		/* Freq Entry in steps of Nyq, Val = 0 */
GPU_CHAN_MAX= 4096		/* 1024, 2048, 4096, 8192 and 16384.  */
GPU_CHAN_NUM= 0:4095:1		/* any range i:j:1;for i,j<chan_max   */
GPU_STOKES  = 2		/* 1-SinglePolUSB130, 2-Total_Intensity, 4-Full_Stokes   */
=======================================================
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24
# BEAM-2:130 :: Total=0
# BEAM-2:175 :: Total=0
# BEAM-3:130 :: Total=0
# BEAM-3:175 :: Total=0
# BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24
# BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24
==================================================================

11:50 : Started setup
12:05 : Started command file
      /data1/gtac/cmd/41_052/obs_20nov.py
14:00 : W04 CPU temperature very high. Removed from GAC.
15:00 : Observation stopped.