GTAC Observation Log 1. Date : 23/8/2013 2. Observation Sr. No. : 6668 3. Observer : BHAL CHANDRA JOSHI,Mayuresh Surnis,Gabriela Castelletti,Gloria Dubner,Naseer Iqbal 4. Observer's Email : bcj@ncra.tifr.res.in,mpsurnis@ncra.tifr.res.in,gcastell@iafe.uba.ar,gdubner@iafe.uba.ar,dni_phtr@kashmiruniversity.ac.in 5. Project Name : Deep radio study towards the supernova remnants/TeV sources G22.7-00.2/HESS J1832-093 and G25.5+0.0/HESS J1837-069 6. Project Code : 24_038 7. Operator(s) : Navanath,Pramod, 8. Command File : /odisk/gtac/cmd/bcj/24_038.230813.1.cmd,/odisk/gtac/cmd/bcj/24_038.230813.2.cmd,/odisk/gtac/cmd/bcj/24_038.230813.3.cmd 9. LTA File : /gsbifrdata/23aug/24_038_23aug2013_s2.lta, 10. LogFlag File : /odisk/online1/logflags/24_038.FLAGS.21, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1261 MHz ,RF2 : 1261 MHz, SA1 : 0 dB, SA2 : dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1210 MHz, ILO2 : 1210 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Mode : Realtime 15. GSB LTA : 8 16. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : OFF, 19. Stokes : TotIntensity 20. Beam - 1 : IA 21. Beam - 2 : PA 22. ACQ BW : 33.33 MHz 23. Final BW : 33.333333 MHz; Step # 0 24. Maximum Channels : 512 25. Channel Numbers : 0:511:1 26. LO5 -1 : 149.00 27. LO5 -2 : 156.00 28. Frequency Parameters (TPA) : 1261 1261 1210 1210 51 51. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) :28 31. Name of Non-Working Antennas (with reason for each) : W05 : servo problem. E05 : servo BLDC work.(No feed of 1420MHz) 32. Note for Backup : 33. Start and End Time of Obs.(IST): 19:00 - 02:01 34. ONLINE Machine : Shivneri 35. Comments (During Observations) : 19:00 : Started set up. 19:45 : Power equalised and phasing is done 3C286 at 250counts. 20:00 : Stated command file. '/odisk/gtac/cmd/bcj/24_038.230813.1.cmd' **Note : Skip 5th and 6th scan because of junk data.** 21:00 : Stopped command file. 21:00 : 175 pole of C05 is removed from GAC. 21:04 : Started command next command file. '/odisk/gtac/cmd/bcj/24_038.230813.2.cmd' 02:00 : Stopped command file and observing session is over.