GTAC Observation Log 1. Date : 25/4/2011 2. Observation Sr. No. : 5295 3. Observer : susanta 4. Observer's Email : susanta@prl.res.in,jerry@prl.res.in 5. Project Name : Solar Observations 6. Project Code : 20_003 7. Operator(s) : Navanath, Nilesh, 8. Command File : /odisk/gtac/cmd/jerry/25apr11/25apr11_dual.cmd 9. LTA File : /gsbifrdata/25apr/20_003_25apr2011.lta 10. LogFlag File : /odisk/online1/logflags/20_003.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 259 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 310 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, 6 MHz,ON GSB SETTINGS : 14. Maximum Channels : 256 15. Final Bandwidth (MHz): OFF MHz; Step # 0 16. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. Frequency Parameters (TPA) : 629 259 680 310 51 51. 21. Integration Time : 16.106 Sec. 22. No of Antennas Working(Fringing) :28 23. Name of Non-Working Antennas (with reason for each) : C05 : Taken for servo maintenance. W02 : No fringe @ 235 MHz band. 24. Note for Backup :-- 25. Start and End Time of Obs.(IST): 09:00 - 17:00 26. ONLINE Machine : Shivneri 27. Comments (During Observations) : 2s file : /gsbifrdata/25apr/20_003_25apr2011_2s.lta, 09:00 : Started setup for sun observation. : Default dual setup with Gain eq.OFF./ALC off. : power eq. on 3C48 @ 250 counts. 09:20:04 : Started scan on 3C48 for ~ 19.8642 min. 09:45:57 : Started scan on SUN00022 for ~ 31.1385 min. 10:27:52 : Started scan on 0137+331 for ~ 4.83183 min. 10:42:38 : Started scan on SUN00027 for ~ 30.87 min. 11:00:05 : C10 taken for maintenance. 11:17:46 : Started scan on 0137+331 for ~ 4.5634 min. 11:31:33 : Started scan on SUN00032 for ~ 31.1385 min. 12:09:09 : Started scan on 0137+331 for ~ 4.83183 min. 12:26:42 : Started scan on SUN00036 for ~ 31.1385 min. 13:07:18 : Started scan on 0137+331 for ~ 4.5634 min. 13:29:43 : Started scan on SUN00041 for ~ 31.4069 min. 14:05:37 : Started scan on 0137+331 for ~ 4.83183 min. 14:18:41 : Started scan on SUN00046 for ~ 30.87 min. 14:54:36 : Started scan on 0137+331 for ~ 4.83183 min. 15:05:15 : Started scan on SUN00049 for ~ 15.0324 min. 15:35:58 : S04 taken for maintenance. 15:42:29 : Started scan on 0137+331 for ~ 4.83183 min. 15:46:10 : C10 and S04 released for observation. 16:00:50 : Started scan on SUN00053 for ~ 31.1385 min. 16:35:36 : Started scan on 0137+331 for ~ 4.5634 min. 16:49:35 : Started scan on 0137+331 for ~ 14.4955 min. 17:05 : Stopped observation session. -----------------------------------------------------------------------