GTAC Observation Log 1. Date : 27/08/2019 2. Observation Sr. No. : 11373 3. Observer : Gianni Bernardi, Annalisa Bonafede, Tiziana Venturi, Daniele Dallacasa, Federica Govoni, Matteo Murgia 4. Observer's Email : giannibernardi75@gmail.com, a.bonafede@ira.inaf.it, tventuri@ira.inaf.it, daniele.dallacasa@unibo.it, fgovoni@ca.astro.it, matteo@oa-cagliari.inaf.it 5. Project Name : In search of large-scale radio signatures: observations of the A399-A401 and A21-PSZ2 G114.9 cluster pairs 6. Project Code : 36_043 7. Operator(s) : Rupsing, Sachin 8. Command File : /odisk/gtac/cmd/36_043/27aug19/obs_27aug19.cmd 9. LTA File : /gsbifrdata1/27aug/36_043_27aug2019_gsb.lta, /gwbifrdata2/27aug/36_043_27aug2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_043.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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, 32 MHz,ON 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) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : E04 : OFC cut. E05 : OFC cut. E06 : OFC cut. W03 : Low fringe cross. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Aug 2019 00:00:00 - 27 Aug 2019 10:05:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status :Broadband RFI 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 36_043 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 128 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 23:48 : Started scan on 3C48. 00:03 : Stopped scan. 00:12 : Started command file. 06:45 : W03 fringe gone. 09:40 : Closed command file and took phase cal for 5 mins. 09:48 : Started scan on 3C147. 10:00 : Stopped scan on 3C147 and closed observation session.