GTAC Observation Log 1. Date : 17/10/2010 2. Observation Sr. No. : 5067 3. Observer : Ashik Paul,Tanmay Das 4. Observer's Email : ashik_paul@rediffmail.com,stanmaydas@gmail.com 5. Project Name : Identification of seeding mechanism of equatorial ionospheric irregularities 6. Project Code : 19_032 7. Operator(s) : Nilesh, Rupsingh, Santaji, 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA/LTB File : /rawdata/17oct/19_032_dual_17oct2010_16s.lta, /rawdata/17oct/19_032_325_17oct2010_16s.lta, /rawdata/17oct/19_032_150_17oct2010_16s.lta, /rawdata/17oct/19_032_1390_17oct2010_16s.lta 10. GSB File : 11. LogFlag File : /odisk/online1/logflags/SUBAR2.FLAGS.9, /odisk/online1/logflags/SUBAR3.FLAGS.5, /odisk/online1/logflags/SUBAR4.FLAGS.10, /odisk/online1/logflags/SUBAR5.FLAGS.4 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 610 MHz ,RF2 : 240 MHz, SA1 : 0 dB, SA2 : 14 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 680 MHz, ILO2 : 310 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+10 dB, 6 MHz,OFF, IF-CH2 : 22+10 dB, 6 MHz,OFF 15. BB BW(KHz) & BB ALC : 250 KHz, OFF CORRELATOR SETTINGS : GHB Settings : 16. GHB Channels : 0:127:4 17. Correlator Mode : IndianPolar 18. Frequency Parameters (TPA) : 610 240 680 310 70 70 GSB Settings : 19. Maximum Channels : 64 20. Final Bandwidth (MHz): OFF MHz; Steps : 0 21. IFBW : LO5(MHz) : 16:138-167 MHz 22. Stokes : Total_Intensity 23. Beam - 1 : OFF 24. Beam - 2 : OFF 25. Integration Time : 128 LTA ~ 16.908 Sec. 26. No of Antennas Working(Fringing) :29 27. Name of Non-Working Antennas (with reason for each) : C13 : Feed jam. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 17:00 - 22:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : *128ms data files* ---------------------------------------- /rawdata/17oct/19_032_150_17oct2010.lta, /rawdata/17oct/19_032_dual_17oct2010.lta, /rawdata/17oct/19_032_325_17oct2010.lta, /rawdata/17oct/19_032_1390_17oct2010.lta, /rawdata/17oct/19_032_150_17oct2010.lta.1, /rawdata/17oct/19_032_dual_17oct2010.lta.1, /rawdata/17oct/19_032_325_17oct2010.lta.1, /rawdata/17oct/19_032_1390_17oct2010.lta.1, /rawdata/17oct/19_032_150_17oct2010.lta.2, /rawdata/17oct/19_032_dual_17oct2010.lta.2, /rawdata/17oct/19_032_1390_17oct2010.lta.2, /rawdata/17oct/19_032_325_17oct2010.lta.2, /rawdata/17oct/19_032_150_17oct2010.lta.3, /rawdata/17oct/19_032_325_17oct2010.lta.3, /rawdata/17oct/19_032_1390_17oct2010.lta.3, /rawdata/17oct/19_032_dual_17oct2010.lta.3, -------------------------------------------- *GSB* 250ms data files* /gsbifrdata/17oct/19_032_150_17oct2010_gsb.lta, /gsbifrdata/17oct/19_032_dual_17oct2010_gsb.lta, /gsbifrdata/17oct/19_032_325_17oct2010_gsb.lta, /gsbifrdata/17oct/19_032_1390_17oct2010_gsb.lta, /gsbifrdata/17oct/19_032_150_17oct2010_gsb.lta.1, /gsbifrdata/17oct/19_032_dual_17oct2010_gsb.lta.1, /gsbifrdata/17oct/19_032_325_17oct2010_gsb.lta.1, /gsbifrdata/17oct/19_032_1390_17oct2010_gsb.lta.1, /gsbifrdata/17oct/19_032_dual_17oct2010_gsb.lta.2, /gsbifrdata/17oct/19_032_150_17oct2010_gsb.lta.2, /gsbifrdata/17oct/19_032_1390_17oct2010_gsb.lta.2, /gsbifrdata/17oct/19_032_325_17oct2010_gsb.lta.2, /gsbifrdata/17oct/19_032_dual_17oct2010_gsb.lta.3, /gsbifrdata/17oct/19_032_150_17oct2010_gsb.lta.3, /gsbifrdata/17oct/19_032_325_17oct2010_gsb.lta.3, /gsbifrdata/17oct/19_032_1390_17oct2010_gsb.lta.3, # sub 2 # C05 C06 C09 : @ 150 ante 3 19 20 4 cp 0;defs 2;subar 2 tpa 153 153 223 223 70 70 ------------------------------------------------------------- # sub 3 # C10 C12 C13 C14 W01 W02 W05 W06 E02 E03 : @ 610+240 ante 10 12 2 11 10 8 13 16 25 17 18 cp 0;defs 3;subar 3 tpa 610 240 680 310 70 70 ------------------------------------------------- # sub 4 # C00 C01 C02 C03 C04 W03 E04 E05 S01 S02 S03 S04 S06 : @ 325 ante 13 7 6 5 1 3 14 21 22 26 27 28 29 30 cp 0;defs 4;subar 4 tpa 325 325 255 255 70 70 ------------------------------------------------ # sub 5 # C08 C11 W04 E06 : @ 1390 ante 4 24 9 15 23 cp 0;defs 5;subar 5 tpa 1390 1390 1320 1320 70 70 ----------------------------------------------- 17:00 : Started setup. H/W corr = Indian Polar lta1 = 1 ( 128 ms) chan=0:127:16 no phasing Only USB used If = 6MHz. BB bandwidth 0.250 power eq at 300 counts(3C446). ----------------------------------------------- S/W corr Total intensity ACQ BW = 16 MHz. Chan=64 gsb_lta 1 ( 250ms ) ----------------------------------------------- 17:38 : Started scan on 3C446 for 1hr. 18:29 : Stopped scan. 18:31 : Started scan on 3C446 for 1hr 20:30 : Stopped scan. 20:31 : Started scan on 3C446. 22:00 : Stopped scan and observation session over.