GTAC Observation Log 1. Date : 25/05/2017 2. Observation Sr. No. : 9426 3. Observer : Yashwant Gupta 4. Observer's Email : ygupta@ncra.tifr.res.in 5. Project Name : Test Observtion. 6. Project Code : TST1670 7. Operator(s) : Pramod, Surender 8. Command File : /odisk/gtac/cmd/32_030/32_030_test_cmdfile_25may17.txt 9. LTA File : /gwbifrdata2/24may/tst1670_24may2017_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :24 32. Name of Non-Working Antennas (with reason for each) : C06 : Servo time out C14 : Taken for maintenance W04 : Gear box problem W05 : Servo problem C02 : : RFI. C12 : MCM 5 time-out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 May 2017 23:00:00 - 25 May 2017 00:19:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :24 37. Comments (During Observations) : GWB Setting : BW-200,2k,beam int-8,PA-PA Band-3 : 500-300MHz. ---------------------------------------- GAC Selection : total 24 antennas.(all working antennas) ---------------------------------------- 23:06:14 : Started scan on 3C286 for ~ 8.41097 min. 23:34:20 : Started scan on 1822-096 for ~ 0.715827 min. 23:35:12 : Started scan on 1822-096 for ~ 2.32644 min. 23:38:34 : Started scan on 1822-096 for ~ 1.70009 min. 23:40:31 : Started scan on 1822-096 for ~ 0.984262 min. 23:49:18 : Started scan on 1822-096 for ~ 1.78957 min. 23:51:10 : Started scan on 1822-096 for ~ 1.07374 min. 23:53:45 : Started scan on B1642-03 for ~ 3.22122 min. 23:58:55 : Started scan on J1548-2848 for ~ 6.08453 min. 00:06:12 : Started scan on J1553-2805 for ~ 6.17401 min. 00:13:15 : Started scan on J1555-2908 for ~ 3.22122 min. 00:19:00 : Stopped scan and observing session over.