GTAC Observation Log 1. Date : 21/05/2017 2. Observation Sr. No. : 9415 3. Observer : Poonam Chandra, Nayana AJ, Dipankar Bhattacharya 4. Observer's Email : poonam@ncra.tifr.res.in, nayan89deva@gmail.com, dipankar@iucaa.in 5. Project Name : Request for continued GMRT Monitoring of radio bright GRB 161219B 6. Project Code : 32_067 7. Operator(s) : Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/21may/32_067_21may2017_lband.lta, /gsbifrdata1/21may/32_067_21may2017.lta, /gwbifrdata1/21may/32_067_21may2017_lband_gwb.lta, /gwbifrdata1/21may/32_067_21may2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_067.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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 : 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) : 1454 1454 1505 1505 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C14 : : Structural Repairing work E06 : : Servo Problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 May 2017 15:00:00 - 21 May 2017 18:02:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 5:18:05 : Started scan on 3C147 for ~ 13.1533 min. 15:39:41 : Started scan on 0609-157 for ~ 4.83183 min. 15:51:33 : Started scan on GRB161219B for ~ 30.0647 min. 16:22:32 : Started scan on 0609-157 for ~ 4.96605 min. 16:22:00 : E06 Released. 16:30:47 : Started scan on GRB161219B for ~ 29.9305 min. 17:01:57 : Started scan on 0609-157 for ~ 4.83183 min. 17:10:15 : Started scan on GRB161219B for ~ 23.6223 min. 17:35:24 : Started scan on 0609-157 for ~ 4.96605 min. 17:43:51 : Started scan on 3C147 for ~ 17.8509 min. 18:00:00 : Stopped scan and observing session over.