GTAC Observation Log 1. Date : 27/7/2012 2. Observation Sr. No. : 6057 3. Observer : Susanta Kumar Bisoi,Hanumant Shankar Sawant, 4. Observer's Email : hssawant@gmail.com,susanta@prl.res.in 5. Project Name : Investigations of Solar Radio Activity and its Association with X-ray Microflares 6. Project Code : 22_019 7. Operator(s) : Deepak, Nilesh, Rupsingh, Sachin, 8. Command File : /odisk/gtac/cmd/jerry/27jul12/1280-sun.cmd, 9. LTA File : /gsbifrdata/27jul/22_019_27jul2012_16s.lta, 10. LogFlag File : /odisk/online1/logflags/22_019.FLAGS.2, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1272 MHz ,RF2 : 1272 MHz, SA1 : 30 dB, SA2 : 30 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1210 MHz, ILO2 : 1210 MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 10+12 dB, 16 MHz,ON, IF-CH2 : 10+12 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 2 16. GAIN EQ : ON 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 16 MHz 21. Maximum Channels : 128 22. IFBW (MHz) : LO5 (KHz) : 16:138000-167000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 1272 1272 1210 1210 62 62. 25. Integration Time : 2.013 Sec. 26. No of Antennas Working(Fringing) :26 27. Name of Non-Working Antennas (with reason for each) : C13 : Servo Problem. C14 : BLDC installation. S03 : Servo problem. W02 : Freq. aovl flag in el axis. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 08:40 - 17:00 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 0.5s datafiles: /gsbifrdata1/27jul/22_019_27jul2012_0.5s.lta, /gsbifrdata1/27jul/22_019_27jul2012_0.5s.lta.1, 2s datafiles : /gsbifrdata1/27jul/22_019_27jul2012_2s.lta, /gsbifrdata1/27jul/22_019_27jul2012_2s.lta.1, --------------------------------------------------- 08:40 : Started settings for observation. RF = 1280MHz, Solar Attn= 0dB, IFBW = 16MHz, LO1 = 1210MHz, LO4 = 62MHz, LO5 = 16:138-167 GSB LTA = 2, IF ALC's ON. GSB GAIN = ON. 08:58 : Started scan on 3c147 for ~16min. 09:15 : RF = 1280MHz, Solar Attn= 0dB, 09:17 : Started scan on 3c147 for ~37min. 09:55 : Started command file. 10:07 : HIGH WIND SPEED. Stopped observation. PARKED ARRAY. 17:00 : Observation session over.