==================================== r4883 ===================================== Ft : Late start azimuth motor (18:30-20:35). Encoder failure (12:59-13:17). Ke : Antenna comm system rebooted. (02:26-02:38) (03:47-03:58). Ww : No scan_checks in first 2 hours. No problems found for : Ht, Is, Kk, Ny, Wn, Wz, Yg ================================= r4883ft STOP ================================= 2019-03-01 18:54:06 R4883, Fortaleza, stop-message Fortaleza finished R4883 session at 060 - 18:27:09 UT as scheduled. Comments: Fortaleza started session late because a problem in azimuth east motor. Session started at 20:35 ut. Scans from 12:59ut to 13:17ut missed due to a failure in AZ encoder . Delay line was left in cable. VC 12 removed. Data will be uploaded by e-transfer to Waco. Disk Inventory Size D/2000GB = 03 Size G/4000GB = 02 Size J/8000GB = 08 Other Size (1000GB) = 01 Last update: FEB/2018. Fortaleza VLBI Team ================================ r4883ht READY ================================= 2019-02-28 13:49:10 r4883, Hart15M, Ready-message Session r4883 ready message for Hart15M. ---------------------------------------- Comments: Hart15M is ready to start r4883. All systems nominal. First source: OJ287 at 18:30:00 UT FMOUT-GPS: 0.846 microseconds Wx: Temperature (C): 31.1 Pressure (mBar): 861.2 Humidity (%): 28.5 Sky Conditions: Clear skies Cable difference is: na Pointing values: na Tsys (x1/s/x2): 35.6/55.8/44.6 ================================ r4883ht START ================================= 2019-02-28 18:30:00 r4883, Hart15M, Autostart-message Session r4883 auto-start message for Hart15M. --------------------------------------------- Started recording with source: oj287 at 059.18:30:00 UT ================================= r4883ht STOP ================================= 2019-03-04 06:58:04 r4883, Hart15M, Stop-message Session r4883 stop message for Hart15M. --------------------------------------- Comments: Hart15M has completed R4883. All scan recorded without incident. Weather conditions were clear throughout. Data will be e-shipped to Washington. Disk Inventory: A 0, B 0, C 0, D 0, E 0, F 0, G 1, H 0, (other larger) 11 Observation finished at: 18:26:41 UT ================================ r4883is READY ================================= 2019-02-28 06:31:01 [vlbi] r4883, q19061 and q19062, Ishioka, Ready-message Ishioka is ready for r4883, q19061 and q19062. First source of r4883 is OJ287 at 059day 18:30:00(UT). First source of q19061 is 3C418 at 061day 07:30:00(UT). First source of q19062 is 3C371 at 062day 07:30:00(UT). The data recorder is K5/VSI system. All systems are normal. The temperature of the low noise amplifier was 20 K to 25 K. The temperature of LNA is usually 9 K. The cause is unknown now. Weather is rainy Temp:8.1 C, Hum:99.5 %, Pres:998.4 hPa FMOUT - GPS = +616.2 nsec at 059-06:26 Tsys: X-band=69.0 K, S-band=249.5 K (EL=90) SEFD: X-band=2632.6 Jy, S-band=2160.9 Jy (Cas-A, AZ=324.5, EL=56.1) About r4883 data transfer, Correlator is WASH. data server(GSI) -> iserv02 data directory(m5b) -> /ddn/vlbi/data/r4883is/m5b We will inform WACO, when the data is ready. About q19061 data transfer, Correlator is GSI. data server(Tsukuba) -> iserv02 data directory(k5) -> /ddn/vlbi/data/q19061is About q19062 data transfer, Correlator is GSI. data server(Tsukuba) -> iserv02 data directory(k5) -> /ddn/vlbi/data/q19062is Sincerely, Kentaro Nozawa, GSI/AES =================================================== GSI VLBI group Geospatial Information Authority of Japan web: http://www.spacegeodesy.go.jp/vlbi/en/ =================================================== ================================ r4883is START ================================= 2019-02-28 18:36:51 r4883, Ishioka, Start-message Session r4883 start message for Ishioka ---------------------------------------------------------------- Started recording with source oj287 at 2019/059/18:30:00UT FMOUT-GPS : +0.619 microseconds Wx: Temperature(C): 5.6 Pressure(hPa): 999.9 Humidity(%): 99.5 ================================= r4883is STOP ================================= 2019-03-04 00:16:34 [vlbi] r4883, q19061 and q19062, Ishioka, Stop-message Ishioka finished r4883, q19061 and q19062. Comments: All scans were recorded. --- Automatic measurement results at about 060-18:23 --- Temp: 5.0 C, Hum:61.6 %, Pres:1003.9 hPa FMOUT - GPS = +623.4 nsec at 060-18:23 (UT). Tsys: X-band=56.9 K, S-band=230.8 K (EL=90) SEFD: X-band=1954.6 Jy, S-band=1926.5 Jy (Virgo-A, AZ=235.4, EL=54.4) --- Automatic measurement results at about 061-08:28 --- Temp: 9.5 C, Hum:51.5 %, Pres:1005.0 hPa FMOUT - GPS = +614.8 nsec at 061-08:28 (UT). Tsys: X-band=52.0 K, S-band=333.2 K (EL=90) SEFD: X-band=1589.5 Jy, S-band=2478.5 Jy (Taurus-A, AZ=133.9, EL=70.9) --- Automatic measurement results at about 062-08:27 --- Temp: 6.0 C, Hum:99.2 %, Pres:1001.2 hPa FMOUT - GPS = +617.3 nsec at 062-08:27 (UT). Tsys: X-band=64.8 K, S-band=274.1 K (EL=90) SEFD: X-band=1955.6 Jy, S-band=2636.4 Jy (Taurus-A, AZ=135.7, EL=71.4) We put the file "r4883is.log", "q19061is.log" and "q19062is.log" on "cddis.gsfc.nasa.gov". Sincerely, Kentaro Nozawa, GSI/AES =================================================== GSI VLBI group Geospatial Information Authority of Japan web: http://www.spacegeodesy.go.jp/vlbi/en/ ================================= r4883ke WIKI ================================= 2019-03-01 03:56:00 r4883 Katherine 12m Disk VSN: A 2000 | Data volume at beginning: 1.144 GB 1830 UT - Experiment started OK (Prad). 0229 UT (060) Antenna comms errors. Halt schedule, reboot system - antenna (Warren) 0242 UT Schedule rsumed, missed scans 060-0226 to 060-0238a (w) 03:49 UT again, missed scans 060-0347b to 060-0358a while reboot system antenna (w) ================================ r4883kk READY ================================= 2019-02-28 19:35:25 r4883, Kokee Park, Ready-message Session r4883 ready message for Kokee Park. ------------------------------------------- Comments: pointing check done prior with experiment i19059 First source: 1803+784 at 059/1936:25 UT FMOUT-GPS: +7.883 microseconds Wx: Temperature (C): 9.9 Pressure (mBar): 889 Humidity (%): 84.6 Sky Conditions: overcast Cable difference is: longer cable makes the reading smaller by 49.1 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 1451/616 cygnusa 51/53 -0.001 0.009 1753/647 casa 33/20 0.005 0.007 Tsys (x1/s/x2): 72/35/41 ================================ r4883kk START ================================= 2019-02-28 19:36:25 r4883, Kokee Park, Autostart-message Session r4883 auto-start message for Kokee Park. ------------------------------------------------ Started recording with source: 1803+784 at 059.19:36:25 UT ================================= r4883kk STOP ================================= 2019-03-01 18:28:32 r4883, Kokee Park, Stop-message Session r4883 stop message for Kokee Park. ------------------------------------------ Comments: No post pointing check done due to short turnaround. Disk# BKG-0065 will be shipped out via FedEx AWB# 7745 3798 0817. Disk Inventory: A 0, B 0, C 0, D 3, E 4, F 2, G 3, H 0, (other larger) 1 Observation finished at: 060/1826:25 UT ================================ r4883ny READY ================================= 2019-02-28 18:01:01 r4883, Ny-Alesund, Ready-message Session r4883 ready message for Ny-Alesund. ------------------------------------------- First source: OJ287 at 18:30:00 UT GPS-FMOUT: 177.4 microseconds Wx: Temperature (C): -17.7 Pressure (mBar): 1005.5 Humidity (%): 61.17 Sky Conditions: clear Cable difference is: longer cable makes the reading larger by 652.8 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 782/1336 CygnusA 320/33 -0.0041 0.0125 890/1281 CasA 283/58 -0.0161 0.0122 1308/1509 TaurusA 173/33 0.0037 0.0482 Tsys (IFA/IFB/IFC): 47/54/127 ================================ r4883ny START ================================= 2019-02-28 18:30:00 r4883, Ny-Alesund, Autostart-message Session r4883 auto-start message for Ny-Alesund. ------------------------------------------------ Started recording with source: oj287 at 059.18:30:00 UT ================================= r4883ny STOP ================================= 2019-03-01 18:35:00 r4883, Ny-Alesund, Stop-message Session r4883 stop message for Ny-Alesund. ------------------------------------------ Disk Inventory: A 0, B 0, C 0, D 7, E 0, F 0, G 0, H 0, (other larger) 10 Observation finished at: 18:27:09 UT ================================ r4883wn START ================================= 2019-02-28 18:45:20 r4883, Wettzell (wn), Start-message Wettzell (wn) started R4883 at scheduled time. First source (wn): 2319+217 at 18:30:00 UT (start data). System status: OK. WX: covered. Regards, Wettzell obs. ================================= r4883yg WIKI ================================= 2019-03-01 03:56:00 r4883 Yarragadee 12m Disk VSN: USN-0064/2000| Data volume at beginning: 0.215 GB 1830 UT - Experiment started OK (Prad). ================================================================================