GTAC Observation Log 1. Date : 13/02/2022 2. Observation Sr. No. : 13946 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) : Pramod, Rupsing, Sachin 8. Command File : /odisk/gtac/cmd 9. LTA File : /gwbifrdata/13feb/41_077B_b5_13feb2022_gwb.lta, /gwbifrdata/13feb/41_077A_b4_13feb2022_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 : 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. W01 : Feed problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 13 Feb 2022 04:00:00 - 13 Feb 2022 09:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 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 : PA GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 16 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 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-1:130 :: C00 C01 C02 C04 C05 C06 C08 E02 E03 S01 S02 W02 Total=12 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 E02 E03 S01 S02 W02 Total=12 # BEAM-2:130 :: C09 C10 C11 C12 C13 C14 E04 E05 S03 S04 S06 W03 W04 Total=13 # BEAM-2:175 :: C09 C10 C11 C12 C13 C14 E04 E05 S03 S04 S06 W03 W04 Total=13 ----------------------------------------------------------------------- 03:56:46 : Started scan on 1154-350 for ~ 0.492131 min. 04:07:02 : Started scan on 1154-350 for ~ 2.2817 min. 04:09:56 : Started scan on 1154-350 for ~ 2.55013 min. 04:15:48 : Started scan on 1154-350 for ~ 2.41592 min. 04:18:53 : Started scan on 1154-350 for ~ 2.32644 min. 04:27:51 : Started scan on J1226-3223 for ~ 45.455 min. 05:16:54 : Started scan on 1526-138 for ~ 2.41592 min. 05:20:03 : Started scan on 1526-138 for ~ 2.37118 min. 05:24:42 : Started scan on J1653-2330 for ~ 45.455 min. 06:12:36 : Started scan on J1554-5209 for ~ 45.455 min. 07:01:55 : Started scan on J1830-360 for ~ 11.8111 min. 07:16:18 : Started scan on J1830-360 for ~ 0.671088 min. 07:18:54 : Started scan on J1830-360 for ~ 0.447392 min. 07:20:03 : Started scan on J1830-360 for ~ 2.32644 min. 07:26:42 : Started scan on J1819-1458 for ~ 35.6124 min. 08:08:24 : Started scan on J1913+1330 for ~ 42.1443 min. 09:05:22 : Started scan on 1830-360 for ~ 6.08453 min. 09:13:11 : Started scan on 1830-360 for ~ 3.13174 min. 09:15 : Stopped scan and observation session is over.