GTAC Observation Log

1. Date : 28/12/2019
2. Observation Sr. No. : 11736
3. Observer : James McKee, BHAL CHANDRA JOSHI
4. Observer's Email : jamesmckee23@gmail.com, bcj@ncra.tifr.res.in
5. Project Name : Broadband Observations of Giant Pulses from the Millisecond Pulsars B1937\\+21 and B1957\\+20
6. Project Code : 37_004
7. Operator(s) : Pramod, Sachin
8. Command File : /odisk/gtac/cmd/37_004/28dec19.cmd
9. LTA File : /gsbifrdata1/28dec/37_004_b4_28dec2019_gsb.lta, /gsbifrdata1/28dec/37_004_b3_28dec2019_gsb.lta, /gwbifrdata2/28dec/37_004_band4_28dec2019_gwb.lta, /gwbifrdata2/28dec/37_004_band3_28dec2019_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
18. GSB Fstop : ON
19. GAIN EQ : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : Volt
23. ACQ BW : 16.666666 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 591 591 540 540 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
S01 : Phase jump.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 28 Dec 2019 17:00:00 - 28 Dec 2019 19:20:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100.0000
GPU_FINAL_BW  	: 100.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 1024
GPU_CHAN_NUM  	: 0:1023:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF3  	: 400  400
GPU_DDCLO3  	: 0.0000  0.0000
GPU_SB3  	: 1 1
GCODE3  	: 37_004B
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 37_004A
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: Voltage
GPU_BEAM_2  	: Voltage
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 128
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

------------GSB Setting---------
GSB_MODE 	: Realtime
GSB_LTA 	: 8
GSB_ACQ_BW 	: 16.666666
GSB_FINAL_BW 	: 0
GSB_EDGE_FRQ 	: 0
GSB_CHAN_MAX 	: 256
GSB_CHAN_NUM 	: 0:255:1
GSB_STOKES 	: Total_Intensity
GSB_CNTRL 	: ONLINE
GSB_FSTOP 	: ON
GSB_BEAM_1 	: OFF
GSB_BEAM_2 	: Volt
GSB_GAINEQ 	: OFF
GSB_BB_LO 	: 138:167
GSB_HOSTS 	: gsbm1_shivneri
undefined 	: OFF
undefined 	: 306
--------------------------------
# GWB GAC configuration is as follows : 

# BEAM-1:130 :: C00 C04 C05 C10 C11 C13 E03 S02 W02 Total=9
# BEAM-1:175 :: C00 C04 C05 C10 C11 C13 E03 S02 W02 Total=9
# BEAM-2:130 :: C01 C02 C03 C06 C08 C09 C12 C14 E02 W01 Total=10
# BEAM-2:175 :: C01 C02 C03 C06 C08 C09 C12 C14 E02 W01 Total=10
# GSB GAC configuration is as follows : 

# BEAM-2:130 :: C00 C04 C05 C10 C11 C13 E03 S01 S02 W02 Total=10
# BEAM-2:175 :: C00 C04 C05 C10 C11 C13 E03 S01 S02 W02 Total=10


GSB Voltage recording path : 
/mnt/a/gsbuser/37_004_28dec2019 and /mnt/d/gsbuser/37_004_28dec2019
 For GWB voltage data path is : 
/data6/gpuuser/37_004A_data6_28dec2019/

16:30 : Started set up.
17:30 : Power equalized and phasing done.
17:40 : Started command file.
 '/odisk/gtac/cmd/37_004/28dec19.cmd'
19:05 : Stopped command file and observation session is over.