GTAC Observation Log 1. Date : 11/12/2021 2. Observation Sr. No. : 13743 3. Observer : Soham Dey, Bhaswati Bhattacharyya 4. Observer\'s Email : sdey@ncra.tifr.res.in, bhaswati@ncra.tifr.res.in 5. Project Name : Simultaneous multi-frequency investigation of Rotating Radio Transients 6. Project Code : 41_077 7. Operator(s) : Nilesh, Sachin 8. Command File : /data1/gtac/cmd/41_077/41_077_11Dec2021_0800_cmd.py 9. LTA File : /gwbifrdata/11dec/41_077b_11dec2021_gwb.lta, /gwbifrdata/11dec/41_077a_11dec2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E04 : CH1-low self, No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 11 Dec 2021 08:00:00 - 11 Dec 2021 13:20:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : 08:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF1 : 550 550 GPU_DDCLO1 : 540.000000 540.000000 GPU_SB1 : 1 1 GCODE1 : 41_077A GPU_RF2 : 1460 1460 GPU_DDCLO2 : 0.000000 0.000000 GPU_SB2 : -1 -1 GCODE2 : 41_077B GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : PA GPU_BM_INT : 16 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- # GWB GAC configuration is as follows : # BEAM-2:130 :: C09 C10 C11 C12 C13 C14 E05 S03 S04 S06 W04 W05 W06 Total=13 # BEAM-2:175 :: C09 C10 C11 C12 C13 C14 E05 S03 S04 S06 W04 W05 W06 Total=13 # BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 E02 E03 E06 S01 S02 W01 W02 W03 Total=15 # BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 E02 E03 E06 S01 S02 W01 W02 W03 Total=15 ----------------------------------------------------- Pulsar DATA files : gwbh8:/data5/gpuuser/41_077_11dec2021_data5/* gwbh10:/data5/gpuuser/41_077_11dec2021_data5/* ----------------------------------------------------- 08:20 : Started power eq @ 120 counts on 1526-138 08:30 : Started phasing on 1526-138 08:40 : Started command file. /data1/gtac/cmd/41_077/41_077_11Dec2021_0800_cmd.py 09:35 : Noticed that phase cal 1830-360 was not up in sky, swapped order of sources J1554-5209 and J1819-1458. 09:42 : started updated command file. 13:20 : Stopped command file and observation closed.