GTAC Observation Log 1. Date : 21/05/2016 2. Observation Sr. No. : 8597 3. Observer : Kishalay De, Yashwant Gupta 4. Observer's Email : ugkishalayde@ug.iisc.in, ygupta@ncra.tifr.res.in 5. Project Name : Microstructure Emission in Pulsars: Moving to the u-GMRT 6. Project Code : 30_074 7. Operator(s) : Pramod 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata/21may/30_074_610_21may2016.lta, /gsbifrdata/21may/30_074_610MHz_21may2016.lta, /gsbifrdata/21may/30_074_325MHz_21may2016.lta 10. LogFlag File : /odisk/online1/logflags/30_074.FLAGS.2, /odisk/online1/logflags/30_074.FLAGS.1, /odisk/online1/logflags/30_074.FLAGS 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 : 540MHz , 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 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 : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : E05 : Taken for mechanical work 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 May 2016 12:00:00 - 21 May 2016 15:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 11:00 : Started set up. From 11:00 to 12:30 : Could not do observation because of high wind speed. Split the sub- array as, # 325MHz # # sub 2 # C00 C03 C05 C06 C09 C13 C14 W02 W03 W04 E03 E04 S01 S04 (For GSB) ante 14 7 1 19 20 4 11 10 13 14 15 18 21 26 29 cp 0;defs 2;subar 2 #610MHz# # sub 4 # C01 C02 C04 C08 C10 C11 C12 W01 W05 W06 E02 E05 E06 S02 S03 S06 (For GWB) ante 16 6 5 3 24 12 9 2 8 16 25 17 22 23 27 28 30 cp 0;defs 4;subar 4 12:40 : Power equalized and phasing done on 3C48. 12:59:35 : Started scan on 3C48 for ~ 0.268435 min. 13:02:41 : Started scan on 3C48 for ~ 1.61061 min. 13:09:49 : Started scan on 0440-435 for ~ 1.61061 min. 13:11:38 : Started scan on 0440-435 for ~ 1.87905 min. 13:14:00 : Started scan on 0440-435 for ~ 3.22122 min. 13:17:33 : Started scan on 0440-435 for ~ 2.14748 min. 13:20:44 : Started scan on J0437-4715 for ~ 35.165 min. 14:05:27 : Started scan on 0837-198 for ~ 9.1268 min. 14:14:57 : Started scan on 0837-198 for ~ 1.07374 min. 14:16:24 : Started scan on 0837-198 for ~ 2.14748 min. 14:18:51 : Started scan on 0837-198 for ~ 0.268435 min. 14:21:30 : Started scan on B0628-28 for ~ 7.51619 min. 14:57:28 : Started scan on 0837-198 for ~ 2.95279 min. 15:00:42 : Started scan on 0837-198 for ~ 2.68435 min.