GTAC Observation Log 1. Date : 13/12/2014 2. Observation Sr. No. : 7483 3. Observer : Mamta 4. Observer's Email : mamtapan@gmail.com 5. Project Name : Galaxy Cluster survey 6. Project Code : DDT143 7. Operator(s) : Pramod 8. Command File : /odisk/gtac/cmd/mamta/ddt143/12dec14.cmd 9. LTA File : /gsbifrdata/12dec/ddt143_12dec2014.lta 10. LogFlag File : /odisk/online1/logflags/DDT143.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 253 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 304MHz , 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, 16 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1 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 : 33.333333 MHz; Step # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 629 253 680 304 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :23 32. Name of Non-Working Antennas (with reason for each) : W01 : No 610MHz feed W05 : Strong RFI at 130 pole (610 MHz) C10 : No 235MHz feed E04 : Taken for BLDC work W06 : ABC time out. S03 : 175 pole(235MZ) no fringe. C06 : Low fringe to 175 pole (235MHz) 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 Dec 2014 18:00:00 - 13 Dec 2014 01:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :23 37. Comments (During Observations) : 18:00 : Started set up. 18:16 : Started scan on 3C48. 18:22 : Stopped scan and started command file. '/odisk/gtac/cmd/mamta/ddt143/12dec14.cmd' 01:00 : Observation stopped.