GTAC Observation Log 1. Date : 23/06/2017 2. Observation Sr. No. : 9511 3. Observer : Narendranath Patra, Gopal krishna, Nirupam Roy, Peter Kamphuis 4. Observer's Email : narendra@ncra.tifr.res.in, gopaltani@gmail.com, roy.nirupam@gmail.com, peterkamphuisastronomy@gmail.com 5. Project Name : Search for HI in superdisks of radio galaxies 6. Project Code : 32_087 7. Operator(s) : Navnath, Nilesh 8. Command File : /odisk/gtac/cmd/narendra/23jun/j0116.cmd 9. LTA File : /gsbifrdata1/23jun/32_087_23jun2017.lta, /gwbifrdata2/23jun/32_087_23jun2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_087.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1222.8334 MHz ,RF2 : 1222.8334 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1170 MHz, ILO2 : 1170MHz , IVLO1 : 52.8334 MHz, IVLO2 : 52.8334 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 : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 147.1666 28. LO5 -2 : 157.8334 29. Frequency Parameters (TPA) : 1222.8334 1222.8334 1170 1170 52.8334 52.8334 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : W02 : No fringe at GWB. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Jun 2017 06:00:00 - 23 Jun 2017 10:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : 06:00 : Started setup. 18:13 : Started scan on 3C48 for 15min. 06:41 : Started cmd file. /odisk/gtac/cmd/narendra/23jun/j0116.cmd 09:20 : Stopped command file and started scan on phase cal. 09:25 : started scan on 3C48 for ~ 17 min. 09:42 : Stopped scan and observation closed.