GTAC Observation Log 1. Date : 29/8/2012 2. Observation Sr. No. : 6127 3. Observer : Srianand 4. Observer's Email : anand@iucaa.ernet.in 5. Project Name : Low-frequency radio emission in massive SZ-selected galaxy clusters 6. Project Code : 22_044 7. Operator(s) : Navanath, Pramod, Santaji, Surender, Shilpa 8. Command File : /odisk/gtac/cmd/22_044/j2135.cmd 9. LTA File : /gsbifrdata/29aug/22_044_29aug2012.lta 10. LogFlag File : /odisk/online1/logflags/22_044.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 10+12 dB, 32 MHz,ON, IF-CH2 : 10+12 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : ON 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 32 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 16:138000-167000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 591 591 540 540 51 51. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :29 27. Name of Non-Working Antennas (with reason for each) : W04 : Shield room painting. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 20:00 - 00:30 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 20:00 : Started setup. 20:09 : Started scan on 3C286. 20:25 : Stopped scan. 20:26 : Started command file. 00:04 : Stopped command file. 00:14 : Started scan on 3C48. 00:30 : Stopped scan and observing session over.