GTAC Observation Log 1. Date : 22/12/2013 2. Observation Sr. No. : 6853 3. Observer : C.H. IshwaraChandra,Sandeep K. Sirothia 4. Observer's Email : ishwar@ncra.tifr.res.in,sirothia@ncra.tifr.res.in 5. Project Name : Deep imaging of legacy fields at 325 MHz: Search for High-redshift radio galaxies 6. Project Code : 25_037 7. Operator(s) : Pramod, 8. Command File : /odisk/gtac/cmd/ishwar/25_037/wf325_1222.cmd 9. LTA File : /gsbifrdata1/22dec/25_037_22dec2013_2s.lta,/gsbifrdata/22dec/25_037_22dec2013.lta, 10. LogFlag File : /odisk/online1/logflags/25_037.FLAGS.4, 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 : 255 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Mode : Realtime 15. GSB LTA : 8 16. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : ON 19. Stokes : FullStokes 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 33.33 MHz 23. Final BW : 33.333333 MHz; Step # 0 24. Maximum Channels : 256 25. Channel Numbers : 0:255:1 26. LO5 -1 : 149.00 27. LO5 -2 : 156.00 28. Frequency Parameters (TPA) : 306 306 255 255 51 51. 29. Integration Time : 2.013264 Sec. 30. No of Antennas Working(Fringing) at the begining :26 31. Name of Non-Working Antennas (with reason for each) : C10,W02 : Painting. W04 : Low fringe. C04 : Strong RFI. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 15:34 - 21:15 34. ONLINE Machine : Lenyadri 35. No of Antennas Working(Fringing) at the end :27 36. Comments (During Observations) : 15:34 : Started scan on 3C48 for 10 min. 15:56 : Started command file. '/odisk/gtac/cmd/ishwar/25_037/wf325_1222.cmd' 17:35 : C10 released from painting and taken for observation. 19:00 : W04 start fringing. 19:00 : W02 released from painting and taken for observation. 21:03 : C02 apply Az brake. 21:05 : Started scan on 3C48. 21:08 : S02 get ABC Time out. 21:15 : Stopped scan and observation session is over.