################################################################################ Project TBASEDSB030103 ################################################################################ General Comments: Survey X-band recevier with new (interim) LNAs RF filters 3000/2400 Optical fibers 5 and 8 (except scans 1-3 where we used 6 and 8) IF rack filters 2360-3640 MHz Converter modules 9 and 13 Sampler filters 1 and 5 SF filters 800-1600 MHz Spectrometer mode 1W2-001-800 Note: we were unable to get enough power through ODM 6 in order to balance the AC properly. Ant: 1 cold_sky RA 0.60 Dec 46.82 Az 45.26 El 77.05 LO1: 1 RestFreq 9000.000 AC : 1 2003_01_03_22:08:21A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 4 Comments: Test Tsys on sky; problems balancing AC -------------------------------------------------------------------------------- Ant: 2 cold_sky RA 0.74 Dec 46.82 Az 45.26 El 77.05 LO1: 2 RestFreq 9000.000 AC : 2 2003_01_03_22:16:19A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 4 Comments: Test Tsys on sky; problems balancing AC -------------------------------------------------------------------------------- Ant: 3 cold_sky RA 0.90 Dec 46.82 Az 45.26 El 77.05 LO1: 3 RestFreq 9000.000 AC : 3 2003_01_03_22:25:53A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 4 Comments: Test Tsys on sky; problems balancing AC -------------------------------------------------------------------------------- Ant: 4 if_noise RA 1.22 Dec 46.82 Az 45.26 El 77.05 LO1: 4 RestFreq 9000.000 AC : 4 2003_01_03_22:36:22A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 39 Comments: if_noise; duration=20 min; Tintg=30s; Antenna fixed -------------------------------------------------------------------------------- Ant: 5 cold_sky RA 1.63 Dec 46.82 Az 45.26 El 77.05 LO1: 5 RestFreq 9000.000 AC : 5 2003_01_03_23:00:28A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 40 Comments: cold_sky; duration=20 min; Tintg=30s; Antenna fixed -------------------------------------------------------------------------------- Ant: 6 0319+4130 RA 3.33 Dec 41.51 Az 72.73 El 67.17 LO1: 6 RestFreq 9000.000 AC : 6 2003_01_03_23:45:09A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff; problems with procedure (only one scan executed) -------------------------------------------------------------------------------- Ant: 7 0319+4130 RA 3.33 Dec 41.51 Az 72.86 El 69.45 LO1: 7 RestFreq 9000.000 AC : 7 2003_01_03_23:57:20A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff; Duration=5m -------------------------------------------------------------------------------- Ant: 8 0319+4130 RA 3.42 Dec 41.51 Az 72.86 El 69.42 LO1: 8 RestFreq 9000.000 AC : 8 2003_01_04_00:02:40A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff; Duration=5m; flux too large -------------------------------------------------------------------------------- GO : 9 2003-01-04T00:17:28 3C48 MajorPoint (1 of 2) Ant: 9 3C48 RA 1.63 Dec 33.16 Az 208.09 El 84.09 LO1: 9 RestFreq 9000.000 DCR: 9 2003_01_04_00:17:28.fits SigRef 0 0 Cal 0 1 Channels 5 8 Comments: Check pointing -------------------------------------------------------------------------------- GO : 10 2003-01-04T00:18:23 3C48 MajorPoint (2 of 2) Ant: 10 3C48 RA 1.63 Dec 33.16 Az 209.71 El 84.01 LO1: 10 RestFreq 9000.000 DCR: 10 2003_01_04_00:18:23.fits SigRef 0 0 Cal 0 1 Channels 5 8 Comments: Check pointing -------------------------------------------------------------------------------- GO : 11 2003-01-04T00:19:51 3C48 MinorPoint (1 of 2) Ant: 11 3C48 RA 1.63 Dec 33.16 Az 212.27 El 83.86 LO1: 11 RestFreq 9000.000 DCR: 11 2003_01_04_00:19:51.fits SigRef 0 0 Cal 0 1 Channels 5 8 Comments: Check pointing -------------------------------------------------------------------------------- GO : 12 2003-01-04T00:20:38 3C48 MinorPoint (2 of 2) Ant: 12 3C48 RA 1.63 Dec 33.16 Az 213.60 El 83.78 LO1: 12 RestFreq 9000.000 DCR: 12 2003_01_04_00:20:38.fits SigRef 0 0 Cal 0 1 Channels 5 8 Comments: Check pointing --> LPCs [azOffset2=-0.00022124, elOffset=0.377684] -------------------------------------------------------------------------------- Ant: 13 3C48 RA 1.63 Dec 33.16 Az 225.02 El 82.79 LO1: 13 RestFreq 9000.000 AC : 13 2003_01_04_00:26:18A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff (ON); duration=5m -------------------------------------------------------------------------------- Ant: 14 3C48 RA 1.72 Dec 33.16 Az 225.21 El 82.77 LO1: 14 RestFreq 9000.000 AC : 14 2003_01_04_00:31:58A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff (OFF); duration=5m -------------------------------------------------------------------------------- Ant: 15 3C48 RA 1.63 Dec 33.16 Az 239.29 El 80.52 LO1: 15 RestFreq 8400.000 AC : 15 2003_01_04_00:40:53A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff (ON); duration=5m -------------------------------------------------------------------------------- Ant: 16 3C48 RA 1.72 Dec 33.16 Az 239.31 El 80.52 LO1: 16 RestFreq 8400.000 AC : 16 2003_01_04_00:46:26A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff (OFF); duration=5m -------------------------------------------------------------------------------- Ant: 17 3C48 RA 1.63 Dec 33.16 Az 247.26 El 78.30 LO1: 17 RestFreq 8800.000 AC : 17 2003_01_04_00:53:35A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff (ON); duration=5m -------------------------------------------------------------------------------- Ant: 18 3C48 RA 1.72 Dec 33.16 Az 247.23 El 78.31 LO1: 18 RestFreq 8800.000 AC : 18 2003_01_04_00:59:03A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff (OFF); duration=5m -------------------------------------------------------------------------------- Ant: 19 3C48 RA 1.63 Dec 33.16 Az 252.72 El 76.07 LO1: 19 RestFreq 9200.000 AC : 19 2003_01_04_01:05:42A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff (ON); duration=5m -------------------------------------------------------------------------------- Ant: 20 3C48 RA 1.72 Dec 33.16 Az 252.68 El 76.09 LO1: 20 RestFreq 9200.000 AC : 20 2003_01_04_01:11:07A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff (OFF); duration=5m -------------------------------------------------------------------------------- Ant: 21 3C48 RA 1.63 Dec 33.16 Az 257.32 El 73.53 LO1: 21 RestFreq 9600.000 AC : 21 2003_01_04_01:19:08A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff (ON); duration=5m -------------------------------------------------------------------------------- Ant: 22 3C48 RA 1.72 Dec 33.16 Az 257.28 El 73.55 LO1: 22 RestFreq 9600.000 AC : 22 2003_01_04_01:24:31A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: xonoff (OFF); duration=5m -------------------------------------------------------------------------------- Ant: 23 HighElevEighth RA 1.50 Dec 30.00 Az 254.63 El 68.27 LO1: 23 RestFreq 9600.000 AC : 23 2003_01_04_01:31:40A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: focusonoff; cold sky; wavelength/8 (0.164 in) -------------------------------------------------------------------------------- Ant: 24 HighElevEighth RA 1.59 Dec 30.00 Az 254.59 El 68.30 LO1: 24 RestFreq 9600.000 AC : 24 2003_01_04_01:37:03A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: focusonoff; cold sky; nominal wavelength -------------------------------------------------------------------------------- Ant: 25 HighElevEighth RA 1.50 Dec 30.00 Az 257.69 El 66.09 LO1: 25 RestFreq 9000.000 AC : 25 2003_01_04_01:43:08A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: focusonoff; cold sky; wavelength/8 (0.164 in) -------------------------------------------------------------------------------- Ant: 26 HighElevEighth RA 1.59 Dec 30.00 Az 257.65 El 66.12 LO1: 26 RestFreq 9000.000 AC : 26 2003_01_04_01:48:30A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: focusonoff; cold sky; nominal wavelength -------------------------------------------------------------------------------- Ant: 27 HighElevQuarter RA 1.50 Dec 30.00 Az 260.32 El 63.95 LO1: 27 RestFreq 9000.000 AC : 27 2003_01_04_01:54:17A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: focusonoff; cold sky; wavelength/4 (0.328 in) -------------------------------------------------------------------------------- Ant: 28 HighElevQuarter RA 1.59 Dec 30.00 Az 260.28 El 63.98 LO1: 28 RestFreq 9000.000 AC : 28 2003_01_04_01:59:38A.fits SigRef 0 0 Cal 0 1 Mode 1W2-0XY-800 Samplers 0 1 BW 800 Ch 2048 Rx 2 Phase 2 Rec 10 Comments: focusonoff; cold sky; nominal wavelength -------------------------------------------------------------------------------- ================================================================================ Data Reduction [dsb] ================================================================================ - Figure ifnoise.ps s.plotSR1(proj, 4, 1, 2, rcvr=1, drop=100); s.pg.setyscale(-0.025, 0.025); s.plotSR1(proj, 4, 1, 10, rcvr=1, newplot=F, linecolor=3); s.plotSR1(proj, 4, 1, 20, rcvr=1, newplot=F, linecolor=4); s.plotSR1(proj, 4, 1, 30, rcvr=1, newplot=F, linecolor=5); s.plotSR1(proj, 4, 1, 39, rcvr=1, newplot=F, linecolor=6); - Figure ifnoise_rec.ps s.plotSR1Rec(proj, 4); - Figure coldsky.ps s.plotSR1(proj, 5, 1, 2, rcvr=1, drop=100); s.pg.setyscale(-0.025, 0.025); s.plotSR1(proj, 5, 1, 10, rcvr=1, newplot=F, linecolor=3); s.plotSR1(proj, 5, 1, 20, rcvr=1, newplot=F, linecolor=4); s.plotSR1(proj, 5, 1, 30, rcvr=1, newplot=F, linecolor=5); s.plotSR1(proj, 5, 1, 39, rcvr=1, newplot=F, linecolor=6); - Figure coldsky_rec.ps s.plotSR1Rec(proj, 5, rcvr=1); - Figure wave4_spec.ps s.plotTa(proj, 28, 27, rec_num=[1:10], utsys=T, drop=200); - Figure wave4_ft.ps wave4_ft2.ps y3 := s.getTa(proj, 28, 27, rec_num=[1:10], utsys=T) f3 := s.ft(y3.ta[200:1848], 0.391) s.plot(f3.x, f3.y, xtitle='1/f [MHz\\u-1\\d]', ytitle='Power', title=' Fourier Transform HighElevQuarter Scans 27-28 rcvr=1 rec [1-10]'); s.plot(f3.x*300.0, f3.y, xtitle='Delay Path [m]', ytitle='Power', title=' Fourier Transform HighElevQuarter Scans 27-28 rcvr=1 rec [1-10]'); - Figure wave8_spec.ps s.plotTa(proj, 26, 25, rec_num=[1:10], utsys=T, drop=200); - Figure wave8_ft.ps wave8_ft2.ps y2 := s.getTa(proj, 26, 25, rec_num=[1:10], utsys=T) f2 := s.ft(y2.ta[200:1848], 0.391) s.plot(f2.x, f2.y, xtitle='1/f [MHz\\u-1\\d]', ytitle='Power', title=' Fourier Transform HighElevEighth Scans 25-26 rcvr=1 rec [1-10]'); s.plot(f2.x*300.0, f2.y, xtitle='Delay Path [m]', ytitle='Power', title=' Fourier Transform HighElevEighth Scans 25-26 rcvr=1 rec [1-10]'); - Figure wave0_ft.ps , wave0_ft2.ps yoff := s.getTa(proj, 28, 26, rec_num=[1:10], utsys=T) foff := s.ft(yoff.ta[200:1848], 0.391) s.plot(foff.x, foff.y, xtitle='1/f [MHz\\u-1\\d]', ytitle='Power', title=' Fourier Transform Cold Sky Scans 26,28 rcvr=1 rec [1-10]'); s.plot(foff.x*300.0, foff.y, xtitle='Delay Path [m]', ytitle='Power', title=' Fourier Transform Cold Sky Scans 26,28 rcvr=1 rec [1-10]'); - Figure 3C48_tsys.ps s.plotTsys(proj, 18, rec_num=[1:10], drop=200) s.plotTsys(proj, 17, rec_num=[1:10], newplot=F, linecolor=3) - Figure 3C48_spec.ps s.plotTa(proj, 18, 17, rec_num=[1:10], utsys=T, drop=200); - Figure 3C48_ft.ps y1 := s.getTa(proj, 18, 17, rec_num=[1:10], utsys=T); f1 := s.ft(y1.ta[200:1848], 0.391); s.plot(f1.x, f1.y, xtitle='1/f [MHz\\u-1\\d]', ytitle='Power', title=' Fourier Transform 3C48 Scans 17-18 rcvr=1 rec [1-10]'); - Figure xband_spec.ps s8400 := s.getTa(proj, 16, 15, rcvr=1, rec_num=[1:10], atsys=T); s8800 := s.getTa(proj, 18, 17, rcvr=1, rec_num=[1:10], atsys=T); s9200 := s.getTa(proj, 20, 19, rcvr=1, rec_num=[1:10], atsys=T); s9600 := s.getTa(proj, 22, 21, rcvr=1, rec_num=[1:10], atsys=T); x8400 := s.skyFreq(s8400.freq, 8400., F); x8800 := s.skyFreq(s8800.freq, 8800., F); x9200 := s.skyFreq(s9200.freq, 9200., F); x9600 := s.skyFreq(s9600.freq, 9600., F); s8400.ta[1] := s8400.ta[2]; s8800.ta[1] := s8800.ta[2]; s9200.ta[1] := s9200.ta[2]; s9600.ta[1] := s9600.ta[2]; s.plot(x8400, s8400.ta, title='3C48', xtitle='Sky Frequency [MHz]', ytitle='T\\da\\u/T\\dcal\\u', drop=200); s.plot(x8800, s8800.ta, newplot=F, linecolor=2, drop=200); s.plot(x9200, s9200.ta, newplot=F, linecolor=2, drop=200); s.plot(x9600, s9600.ta, newplot=F, linecolor=2, drop=200); s.pg.setxscale(8000.0, 10000.0); s.pg.setyscale(1.2, 1.9); s.plot([8000., 10000.], [1.8, 1.47], newplot=F, linecolor=4);