==================================== r1840 ===================================== Ht : Antenna drive fault missing 40 minutes (19:00-19:40). Kk : Cryo system slowly recooling. Ny : Stopped twice due to incoming flight (07:55-08:02) (09:27-09:30). Ww : Late start missing (17:00-18:47). No problems found for : Is, Ke, Kv, Ma, On, Wz, Yg ================================ r1840ht READY ================================= 2018-05-02 14:08:09 r1840, Hart15M, Ready-message Session r1840 ready message for Hart15M. ---------------------------------------- Comments: Hart15M is ready to start R1840 First source: 1424-418 at 17:00:00 UT FMOUT-GPS: 26.4235 microseconds Wx: Temperature (C): 19.4 Pressure (mBar): 865.6 Humidity (%): 55.64 Sky Conditions: 30-40% cloud cover Cable difference is: na Pointing values: na Tsys (x1/s/x2): 38.8/38.9/38.7 ================================ r1840ht START ================================= 2018-05-02 17:00:00 r1840, Hart15M, Autostart-message Session r1840 auto-start message for Hart15M. --------------------------------------------- Started recording with source: 1424-418 at 122.17:00:00 UT ================================= r1840ht STOP ================================= 2018-05-03 17:00:55 r1840, Hart15M, Stop-message Session r1840 stop message for Hart15M. --------------------------------------- Comments: Hart15M has completed r1840. Scans missed: From 122-1900a to 122-1940 due to emergency stop failure. Weather conditions: 30-40% cloud cover at start and continuing mostly cloudy and clearing up at the end. Problem scans: Source Scan start Explanation of problem 122-1900a19:00:10 ES failure - start of missed scans 122-1940 19:40:47 ES failure - end of missed scans Disk Inventory: A 0, B 0, C 0, D 0, E 0, F 0, G 1, H 0, (other larger) 3 Observation finished at: 16:59:55 UT ================================ r1840is READY ================================= 2018-05-01 09:23:22 [vlbi] aov022, r1840, r4840, q18125 and q18126, Ishioka, Ready-message Ishioka is ready for aov022, r1840, r4840, q18125 and q18126. First source of aov022 is 1428+422 at 121day 16:00:00(UT). First source of r1840 is 0016+731 at 122day 17:00:00(UT). First source of r4840 is 1441+252 at 123day 18:30:00(UT). First source of q18125 is 0552+398 at 125day 07:30:00(UT). First source of q18126 is 0552+398 at 126day 07:30:00(UT). The data recorder is K5/VSI system. All systems are normal. Weather is fine Temp:21.4 C, Hum:61.9 %, Pres:1001.9 hPa FMOUT - GPS = +372.0 nsec at 121-09:12 Tsys: X-band=45.7 K, S-band=211.9 K (EL=90) SEFD: X-band=1508.7 Jy, S-band=2457.4 Jy (Taurus-A, AZ=267.4, EL=42.9) About aov022 data transfer, Correlator is SHAO. data server(GSI) -> iserv02 data directory(k5) -> /ddn/vlbi/data/aov022is data directory(m5b) -> /ddn/vlbi/data/aov022is/m5b We will inform SHAO, when the data is ready. About r1840 data transfer, Correlator is BONN. data server(GSI) -> mizuho data directory(m5b) -> /cont2/R1840is_m5b We will inform WACO, when the data is ready. About r4840 data transfer, Correlator is WASH. data server(GSI) -> iserv02 data directory(m5b) -> /ddn/vlbi/data/r4840is/m5b We will inform WACO, when the data is ready. About q18125 data transfer, Correlator is GSI. data server(Tsukuba) -> iserv02 data directory(k5) -> /ddn/vlbi/data/q18125is About q18126 data transfer, Correlator is GSI. data server(Tsukuba) -> iserv02 data directory(k5) -> /ddn/vlbi/data/q18126is Sincerely, Kentaro Nozawa, GSI/AES =================================================== GSI VLBI group Geospatial Information Authority of Japan e-mail: gsi-vlbi-oper@ml.mlit.go.jp web: http://www.spacegeodesy.go.jp/vlbi/en/ =================================================== ================================ r1840is START ================================= 2018-05-02 17:02:55 r1840, Ishioka, Start-message Session r1840 start message for Ishioka ---------------------------------------------------------------- Started recording with source 0016+731 at 2018/122/17:00:00UT FMOUT-GPS : +0.366 microseconds Wx: Temperature(C): 18.0 Pressure(hPa): 990.5 Humidity(%): 98.9 ================================= r1840is STOP ================================= 2018-05-07 00:52:50 [vlbi] aov022, r1840, r4840, q18125 and q18126, Ishioka, Stop-message Ishioka finished aov022, r1840, r4840, q18125 and q18126. Comments: All scans were recorded. Antenna did not track the source due to the effect of a wind in the following one scan in AOV022. AOV022 Problem scans: [Source] [Scan start] [problem] 1418+546 121-1607 "WARNING: ONSOURCE status is SLEWING!" from 16:07:23 to 16:07:27 --- Automatic measurement results at about 122-15:53 --- Temp: 15.2 C, Hum:98.8 %, Pres:992.1 hPa FMOUT - GPS = +372.0 nsec at 122-15:53 (UT). Tsys: X-band=61.6 K, S-band=244.3 K (EL=90) SEFD: X-band=2003.2 Jy, S-band=2387.7 Jy (Cygnus-A, AZ=65.4, EL=44.4) --- Automatic measurement results at about 123-16:54 --- Temp: 12.4 C, Hum:91.9 %, Pres:991.7 hPa FMOUT - GPS = +379.7 nsec at 123-16:54 (UT). Tsys: X-band=46.6 K, S-band=231.5 K (EL=90) SEFD: X-band=1441.8 Jy, S-band=2372.2 Jy (Cygnus-A, AZ=69.0, EL=57.4) --- Automatic measurement results at about 124-18:28 --- Temp: 9.2 C, Hum:97.6 %, Pres:1001.2 hPa FMOUT - GPS = +385.9 nsec at 124-18:28 (UT). Tsys: X-band=45.7 K, S-band=213.6 K (EL=90) SEFD: X-band=1374.0 Jy, S-band=2420.8 Jy (Cygnus-A, AZ=66.6, EL=75.1) --- Automatic measurement results at about 125-08:27 --- Temp: 20.9 C, Hum:39.3 %, Pres:999.6 hPa FMOUT - GPS = +368.4 nsec at 125-08:27 (UT). Tsys: X-band=46.7 K, S-band=216.0 K (EL=90) SEFD: X-band=1522.1 Jy, S-band=2432.7 Jy (Taurus-A, AZ=264.8, EL=46.1) --- Automatic measurement results at about 126-08:28 --- Temp: 21.6 C, Hum:68.1 %, Pres:996.0 hPa FMOUT - GPS = +366.3 nsec at 126-08:28 (UT). Tsys: X-band=45.5 K, S-band=218.7 K (EL=90) SEFD: X-band=1482.0 Jy, S-band=2405.9 Jy (Taurus-A, AZ=265.8, EL=44.9) We put the file "aov022is.log", "r1840is.log", "r4840is.log", "q18125is.log" and "q18126is.log" on "cddis.gsfc.nasa.gov". Sincerely, Kentaro Nozawa, GSI/AES =================================================== GSI VLBI group Geospatial Information Authority of Japan e-mail: gsi-vlbi-oper@ml.mlit.go.jp web: http://www.spacegeodesy.go.jp/vlbi/en/ =================================================== ================================= r1840ke WIKI ================================= 2018-05-02 22:40:00 r1840 Katherine 12m Disk VSN: HOB+1003 | Data volume at beginning: 4041.015 GB (ship module to Hobart) 1700UT - Experiment started OK (Tiege) ================================ r1840kk READY ================================= 2018-05-02 16:57:11 r1840, Kokee Park, Ready-message Session r1840 ready message for Kokee Park. ------------------------------------------- Comments: Cryo systems still recooling. Current temperatures, 15k=63.5, 50k 152. Slow recool for unknown reasons, but still is dropping. First source: 0016+731 at 122/1700:00 UT FMOUT-GPS: +9.353 microseconds Wx: Temperature (C): 13.9 Pressure (mBar): 889 Humidity (%): 75.9 Sky Conditions: overcast Cable difference is: longer cable makes the reading smaller by 51.5 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 1892/734 casa 26/44 0.001 -0.000 Tsys (x1/s/x2): 76/41/na ================================ r1840kk START ================================= 2018-05-02 17:00:00 r1840, Kokee Park, Autostart-message Session r1840 auto-start message for Kokee Park. ------------------------------------------------ Started recording with source: 0016+731 at 122.17:00:00 UT ================================= r1840kk STOP ================================= 2018-05-03 17:01:57 r1840, Kokee Park, Stop-message Session r1840 stop message for Kokee Park. ------------------------------------------ Comments: Cryo system still on a slow recool. Current dewar temperatures are: 15k @ 28.33 and 50k @ 119.69. Disk# MPI-0400 will be shipped out via FedEx AWB# 7721 3551 7244. Disk Inventory: A 0, B 0, C 0, D 16, E 2, F 2, G 1, H 4, (other larger) 3 Observation finished at: 123/1659:55 UT ================================ r1840kv READY ================================= 2018-05-03 05:51:04 r1840, Sejong, Ready-message FMOUT-GPS: -25.5 usec Wx: Temperature (C) 14.7 Pressure (hPa) 991.3 Humidity (%) 47.6 ================================= r1840kv STOP ================================= 2018-05-04 00:33:05 r1840,Sejong,Stop-message comment: ================================ r1840ma READY ================================= 2018-05-02 09:03:26 R1840, MATERA, Ready-message Session R1840 ready message for MATERA. --------------------------------------- First source: 0016+731 at 17:00:00 UT GPS-FMOUT: 21.507 microseconds Wx: Temperature (C): 22.5 Pressure (mBar): 952.07 Humidity (%): 48 Sky Conditions: cloudy sky Cable difference is: longer cable makes the reading smaller by 366.8 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 3170/1225 casa 346/70 -0.00024 -0.0033 Tsys (x1/s/x2): 122/191/0 ================================ r1840ma START ================================= 2018-05-02 17:18:24 r1840, MATERA, Start-message Session r1840 start message for MATERA. --------------------------------------- Started recording with source: 0016+731 at: 17:00:00 UT ================================= r1840ma STOP ================================= 2018-05-03 17:26:49 r1840, MATERA, Stop-message Session r1840 stop message for MATERA. -------------------------------------- Problem scans: Source Scan start Explanation of problem 0 0 no problem Disk Inventory: A 0, B 0, C 0, D 17, E 1, F defective(4, G 0, H 1, (other larger) 1(8000) Observation finished at: 16:59:55 UT ================================ r1840ny READY ================================= 2018-05-02 16:32:53 r1840, Ny-Alesund, Ready-message Session r1840 ready message for Ny-Alesund. ------------------------------------------- First source: 0016+731 at 17:00:00 UT GPS-FMOUT: 179.68 microseconds Wx: Temperature (C): 4 Pressure (mBar): 1013.4 Humidity (%): 66 Sky Conditions: partly cloudy Cable difference is: longer cable makes the reading larger by 691 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 1831/1745 cygnusa 355/29 -0.0005 0.0113 2063/1578 casa 317/51 -0.0136 0.0032 Tsys (IFA/IFB/IFC): 54/113/46 ================================ r1840ny START ================================= 2018-05-02 17:00:00 r1840, Ny-Alesund, Autostart-message Session r1840 auto-start message for Ny-Alesund. ------------------------------------------------ Started recording with source: 0016+731 at 122.17:00:00 UT ================================= r1840ny STOP ================================= 2018-05-03 17:15:37 r1840, Ny-Alesund, Stop-message Session r1840 stop message for Ny-Alesund. ------------------------------------------ Comments: Stopped due to incoming flight: 5328-5362 and 5821-5855 Disk Inventory: A 0, B 0, C 0, D 9, E 0, F 0, G 0, H 0, (other larger) 9 Observation finished at: 16:59:55 UT ================================ r1840on READY ================================= 2018-05-03 15:52:13 FW: R1840 ready message ONSALA FYI. From: Periklis Diamantidis [mailto:periklis.diamantidis@chalmers.se] Sent: Wednesday, May 02, 2018 10:14 AM To: ivs-ops@lists.nasa.gov Cc: Rüdiger Haas ; Thomas Hobiger ; Niko Petteri Kareinen ; Periklis Diamantidis ; Grzegorz Klopotek Subject: R1840 ready message ONSALA "R1840 ready message for ONSALA " First source: 0016+731 at 17:00:00 UTC " DBBC-GPS: +13.244 microseconds " Wx: Temperature (C): 10.2 Pressure (mBar): 1013.6 Humidity (%): 71.3 % "Sky Conditions: 0 cc ================================ r1840on START ================================= 2018-05-03 15:52:34 FW: R1840 start message ONSALA FYI. From: Periklis Diamantidis [mailto:periklis.diamantidis@chalmers.se] Sent: Wednesday, May 02, 2018 1:08 PM To: ivs-ops@lists.nasa.gov Cc: Rüdiger Haas ; Thomas Hobiger ; Niko Petteri Kareinen ; Periklis Diamantidis ; Grzegorz Klopotek Subject: R1840 start message ONSALA "R1840 start message for ONSALA " Started recording with source 0016+731 at 17:00:00 UTC ================================= r1840on STOP ================================= 2018-05-03 17:10:50 R1840 stop message for ONSALA " R1840 stop message for ONSALA " No problems to report ================================ r1840wz START ================================= 2018-05-02 18:40:57 r1840, Wettzell (Wz), Start-message Wettzell (Wz) started r1840 at scheduled time. wx/mostly clear sky, calm. Regards, Wettzell obs. _ ================================= r1840yg WIKI ================================= 2018-05-02 22:40:00 r1840 Yarragadee 12m Disk VSN: HOB+0072 | Data volume at beginning: 3960.887 GB (ship module to Hobart) 1700UT - Experiment started OK (Tiege) 2238UT - Compared to Ke, Yg seems to have a fairly large drift in disk offset. Still only 12 GB in the last 6 hours, however, compared to less than 1 GB it seems significant (Same thing was seen in AOV022). (Tiege) ================================================================================