Nov. 20, 2002 Project TBASEJRF021120, 18_22 GHz, R1/L1 receiver Weather mostly clear with high scattered clouds, 30 degrees F at 20:00 EST. IF and optical fiber channels 1 and 3 Sky frequency 21,500 MHz IF filters 5360 to 6640 MHz Converter modules 1 and 5 800 MHz spectrometer bandwidth, samplers 0 and 1 30-second integrations 2 phases, cal off/cal on Scan # 1 dummy, aborted 2 blank sky, antenna stationary 3 IF noise source 4 xonoff, on tracking blank sky - mistake: still on IF noise source 5 " off " " " " " " " " " 6 xonoff, on tracking blank sky 7 " off " " " 8-9 peak (DCR), DCR not in scan coordinator (abort) 10-13 peak (DCR), NGC7027 problems finding source due to feed offsets 14-17 peak (DCR), NGC7027 18-21 peak (DCR), NGC7027 22-25 peak (DCR), NGC7027 found source with LPCs (az=-1.32, el=-0.85) 26 xonoff, on tracking NGC7027 27 xonoff, off tracking NGC7027 2 blank sky, antenna stationary 2002_11_20_23:03:33A.fits scan: 2 2 spectra 2 phases 60 records show_record_dsmror(2, phase=1, rec_num=[1,2], spec_num=1, decimate=4, linecolor=2, newplot=T); show_record_dsmror(2, phase=1, rec_num=[1,10], spec_num=1, decimate=4, linecolor=3, newplot=F); show_record_dsmror(2, phase=1, rec_num=[1,20], spec_num=1, decimate=4, linecolor=4, newplot=F); show_record_dsmror(2, phase=1, rec_num=[1,30], spec_num=1, decimate=4, linecolor=5, newplot=F); show_record_dsmror(2, phase=1, rec_num=[1,40], spec_num=1, decimate=4, linecolor=6, newplot=F); show_record_dsmror(2, phase=1, rec_num=[1,50], spec_num=1, decimate=4, linecolor=7, newplot=F); show_record_dsmror(2, phase=1, rec_num=[1,60], spec_num=1, decimate=4, linecolor=8, newplot=F); pg.setyscale(-0.01, 0.03) show_record_dsmror(2, phase=1, rec_num=[1,2], spec_num=2, decimate=4, linecolor=2, newplot=T); show_record_dsmror(2, phase=1, rec_num=[1,10], spec_num=2, decimate=4, linecolor=3, newplot=F); show_record_dsmror(2, phase=1, rec_num=[1,20], spec_num=2, decimate=4, linecolor=4, newplot=F); show_record_dsmror(2, phase=1, rec_num=[1,30], spec_num=2, decimate=4, linecolor=5, newplot=F); show_record_dsmror(2, phase=1, rec_num=[1,40], spec_num=2, decimate=4, linecolor=6, newplot=F); show_record_dsmror(2, phase=1, rec_num=[1,50], spec_num=2, decimate=4, linecolor=7, newplot=F); show_record_dsmror(2, phase=1, rec_num=[1,60], spec_num=2, decimate=4, linecolor=8, newplot=F); pg.setyscale(-0.005, 0.035) show_tp_vs_record(2, ch_range=[100:1900], phase=1, spec_num=1, linecolor=2, newplot=T) show_tp_vs_record(2, ch_range=[100:1900], phase=1, spec_num=2, linecolor=4, newplot=F, scale=1.6) pg.setyscale(0.84, 1.01) 3 IF noise source 2002_11_20_23:36:32A.fits scan: 3 2 spectra 2 phases 60 records show_record_dsmror(3, phase=1, rec_num=[1,2], spec_num=1, decimate=4, linecolor=2, newplot=T); show_record_dsmror(3, phase=1, rec_num=[1,10], spec_num=1, decimate=4, linecolor=3, newplot=F); show_record_dsmror(3, phase=1, rec_num=[1,20], spec_num=1, decimate=4, linecolor=4, newplot=F); show_record_dsmror(3, phase=1, rec_num=[1,30], spec_num=1, decimate=4, linecolor=5, newplot=F); show_record_dsmror(3, phase=1, rec_num=[1,40], spec_num=1, decimate=4, linecolor=6, newplot=F); show_record_dsmror(3, phase=1, rec_num=[1,50], spec_num=1, decimate=4, linecolor=7, newplot=F); show_record_dsmror(3, phase=1, rec_num=[1,60], spec_num=1, decimate=4, linecolor=8, newplot=F); pg.setyscale(-0.01, 0.01) show_record_dsmror(3, phase=1, rec_num=[1,2], spec_num=2, decimate=4, linecolor=2, newplot=T); show_record_dsmror(3, phase=1, rec_num=[1,10], spec_num=2, decimate=4, linecolor=3, newplot=F); show_record_dsmror(3, phase=1, rec_num=[1,20], spec_num=2, decimate=4, linecolor=4, newplot=F); show_record_dsmror(3, phase=1, rec_num=[1,30], spec_num=2, decimate=4, linecolor=5, newplot=F); show_record_dsmror(3, phase=1, rec_num=[1,40], spec_num=2, decimate=4, linecolor=6, newplot=F); show_record_dsmror(3, phase=1, rec_num=[1,50], spec_num=2, decimate=4, linecolor=7, newplot=F); show_record_dsmror(3, phase=1, rec_num=[1,60], spec_num=2, decimate=4, linecolor=8, newplot=F); pg.setyscale(-0.01, 0.01) show_tp_vs_record(3, ch_range=[100:1900], phase=1, spec_num=1, linecolor=2, newplot=T) show_tp_vs_record(3, ch_range=[100:1900], phase=1, spec_num=2, linecolor=4, newplot=F, scale=1.275) pg.setyscale(0.819, 0.85) 4 xonoff, on tracking blank sky - mistake: still on IF noise source 5 " off " " " " " " " " " ch 1 ripple 69.5 MHz 2002_11_21_00:12:35A.fits scan: 4 2 spectra 2 phases 10 records 2002_11_21_00:18:05A.fits scan: 5 2 spectra 2 phases 10 records show_avg_scan_diff(4, 5, spec_num=1, phases=F, decimate=4, scale=1.0, linecolor=2, newplot=T, cf_offset=21500, usb=T) show_avg_scan_diff(4, 5, spec_num=2, phases=F, decimate=4, scale=1.0, linecolor=4, newplot=F, cf_offset=21500, usb=T) pg.setyscale(-0.0015, 0.0005) 6 xonoff, on tracking blank sky 7 " off " " " ch 1 ripple 66 MHz 2002_11_21_00:25:30A.fits scan: 6 2 spectra 2 phases 10 records 2002_11_21_00:31:05A.fits scan: 7 2 spectra 2 phases 10 records show_avg_scan_diff(6, 7, spec_num=1, phases=F, decimate=4, scale=1.0, linecolor=2, newplot=T, cf_offset=21500, usb=T) show_avg_scan_diff(6, 7, spec_num=2, phases=F, decimate=4, scale=1.0, linecolor=4, newplot=F, cf_offset=21500, usb=T) pg.setyscale(-0.005, 0.015) 26 xonoff, on tracking NGC7027 27 xonoff, off tracking NGC7027 2002_11_21_02:11:26A.fits scan: 26 2 spectra 2 phases 10 records 2002_11_21_02:16:45A.fits scan: 27 2 spectra 2 phases 10 records show_avg_scan_diff(26, 27, spec_num=1, phases=F, decimate=1, scale=1.0, linecolor=2, newplot=T, cf_offset=21500, usb=T) show_avg_scan_diff(26, 27, spec_num=2, phases=F, decimate=1, scale=1.0, linecolor=4, newplot=F, cf_offset=21500, usb=T) pg.setyscale(0.06, 0.10)