--------------------------------------------------------------------------------------- Freq: 1450 MHz (= RF in GWB-II) 1350 MHz (= RF in GWB-II) ABC MHz (in GSB) XYZ MHz (in GSB) Date: 16 Oct 2014 Test: To test the polar mode of GWB-II Note: There are two lta files for GSB (and correspondingly for GWB-II), this is because the data is at two frequencies, 1280 and 1390 MHz sub-bands. Description of four plot files *.png is given below. --------------------- Following shows scan-list from the GSB data --------------------- IMPORTANT: PLEASE ask Navnath re. this ... he had created these plots --------------------- Following shows scan-list from the GWB and GSB data --------------------- [gpuuser@node52 16oct2014]$ ltahdr -i tst1137_16oct2014_1390_sg1_sy2.lta Checking for zero length scan VERSION: GWB-III LTA2.00 DAS2.00 HST04 SCN OBJECT RA(MEAN) DEC(MEAN) DATE IST RF(MHz) CW(kHz) Nrecs 0 3C286 13h31m49.24 +30d25'59.80" 16/Oct/2014 09:14:58 1450.00 97.656 0 -- IGNORE 1 3C286 13h31m49.24 +30d25'59.80" 16/Oct/2014 09:15:18 1450.00 97.656 114 -- sig-gen sca (1390 MHz)n 2 3C286 13h31m49.24 +30d25'59.80" 16/Oct/2014 09:38:07 1450.00 97.656 96 -- synth sca (1390 MHz)n astro0:/gsbifrdata/16oct> ltahdr -i tst1137_16oct2014_1390_sg1_sy2.lta VERSION: COR30x2 LTA1.10 DAS1.10 HST03 OBS_MODE: USB_POLAR CORR_HOST: GSB BASELINES: 1860 CHANNELS: 256 SCN OBJECT RA(MEAN) DEC(MEAN) DATE IST RF(MHz) CW(kHz) Nrecs 0 3C286 13h31m49.24 +30d25'59.80" 16/Oct/2014 09:15:12 1371.00 130.208 152 1 3C286 13h31m49.24 +30d25'59.80" 16/Oct/2014 09:38:05 1371.00 130.208 130 --------------------------------------------------------------------------------------- [gpuuser@node52 16oct2014]$ ltahdr -i tst1137_16oct2014_1280sy1_sg2.lta VERSION: GWB-III LTA2.00 DAS2.00 HST04 SCN OBJECT RA(MEAN) DEC(MEAN) DATE IST RF(MHz) CW(kHz) Nrecs 0 3C286 13h31m49.24 +30d25'59.80" 16/Oct/2014 10:58:29 1350.00 97.656 104 -- synth scan (1280 MHz) 1 3C286 13h31m49.24 +30d25'59.80" 16/Oct/2014 11:20:24 1350.00 97.656 114 -- sig-gen scan (1280 MHz) astro0:/gsbifrdata/16oct> ltahdr -i tst1137_16oct2014_1280_sy1_sg2.lta VERSION: COR30x2 LTA1.10 DAS1.10 HST03 OBS_MODE: USB_POLAR CORR_HOST: GSB BASELINES: 1012 CHANNELS: 256 SCN OBJECT RA(MEAN) DEC(MEAN) DATE IST RF(MHz) CW(kHz) Nrecs 0 3C286 13h31m49.24 +30d25'59.80" 16/Oct/2014 10:58:26 1281.00 130.208 138 1 3C286 13h31m49.24 +30d25'59.80" 16/Oct/2014 11:20:21 1281.00 130.208 152 --------------------------------------------------------------------------------------- 1280 MHz: plot-file gsb_gwb_amp_vs_time_xpolar_128olo.png (upper-panel) plot-file gsb_gwb_phs_vs_time_xpolar_1280lo.png (lower-panel) - Amplitude and phase obtained for 3C\,286 at the 1280 MHz sub-bands of L-band as a function of time for two LO-lock schemes. - Plot showing ccfs (amplitudes) (upper panel) and phases (lower panel) as a function of time for a channel at the centre of the 1280 MHz frequency band. Note (i) in both panels, left is GSB and right is GWB data, (ii) the channels (channel-128 in the left panel and channel-638 in the right panel, respectively) are chosen such that they correspond to the same frequency, and (iii) for the data from GWB-II (right panel), the left-scan correspond to the `synthesiser' and the right-scan correspond to the `signal-generator' mode of LO lock schemes. 1390 MHz: plot-file gsb_gwb_amp_vs_time_xpolar_1390lo.png (upper-panel) plot-file gsb_gwb_phs_vs_time_xpolar_1390lo.png (lower-panel) - Amplitude and phase obtained for 3C\,286 at the 1390 MHz sub-bands of L-band as a function of time for two LO-lock schemes. - Plot showing ccfs (amplitudes) (upper panel) and phases (lower panel) as a function of time for a channel at the centre of the 1390 MHz frequency band. Note (i) in both panels, left is GSB and right is GWB-II data, (ii) the channels (channel-128 in the left panel and channel-638 in the right panel, respectively) are chosen such that they correspond to the same frequency, and (iii) for the data from GWB-II (right panel), the left-scan correspond to the `signal-generator' and the right-scan correspond to the `synthesiser' mode of LO lock schemes.