GTAC Observation Log 1. Date : 18/12/2021 2. Observation Sr. No. : 13768 3. Observer : Nayana AJ, G.C. Anupama, Sonith L.S, Nirupam Roy, Dipankar Banerjee, KP Singh, U S Kamath 4. Observer\'s Email : nayan89deva@gmail.com, gca@iiap.res.in, sonith.ls@iiap.res.in, roy.nirupam@gmail.com, orion@prl.res.in, kulinderpal@gmail.com, uskamath@iiap.res.in 5. Project Name : uGMRT follow-up observations of the recurrent nova RS Ophiuchi in its outburst 6. Project Code : ddtC211 7. Operator(s) : Deepak 8. Command File : /data1/gtac/cmd/ddtc211/obs_18dec_band4.py 9. LTA File : /gsbifrdata/18dec/ddtc211_18dec2021_gsb.lta, /gwbifrdata/18dec/ddtc211_18dec2021_gwb.lta 10. LogFlag File : /data1/online1/logflags/ 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 : 8.053 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 10:00:00 - 18 Dec 2021 11:00:00 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 = 4 /* LTA values can be : 1,2,4,8,16,32 etc. */ GPU_ACQ_BW = 400.0000 /* 100 MHz, 200 MHz, and 400 MHz etc. */ GPU_FINAL_BW= 1.0 /* 1,2,4,8,16,32,64 As divisor of ACQ_BW, Val = 400.0000 */ GPU_EDGE_FRQ= 0.000000 /* Freq Entry in steps of Nyq, Val = 0 */ GPU_CHAN_MAX= 2048 /* 1024, 2048, 4096, 8192 and 16384. */ GPU_CHAN_NUM= 0:2047:1 /* any range i:j:1;for i,j