==================================== r1950 ===================================== Ht : fmout-gps jumped around 06:24. Is : EL drive trouble (04:09-04:33) (13:00-17:00). Kv : Data storage error (17:30-00:30). Ma : Antenna problem (17:00-20:15). Ns : Communication issue between antenna control unit and subreflector. Started at 14:30. Ny : Observed with warm receiver. No problems found for : Kk, Wn, Wz, Yg ================================ r1950ht READY ================================= 2020-06-08 14:04:36 r1950, Hart15M, Ready-message Session r1950 ready message for Hart15M. ---------------------------------------- Comments: Hart15M is ready to start R1950. All systems are nominal. Session is being operated remotely. First source: 1057-797 at 17:00:00 UT FMOUT-GPS: 2.3350 microseconds Wx: Temperature (C): 20.0 Pressure (mBar): 867.7 Humidity (%): 32.3 Sky Conditions: Clear skies Cable difference is: na Pointing values: na Tsys (x1/s/x2): 34.8/53.5/46.2 ================================ r1950ht START ================================= 2020-06-08 17:00:00 r1950, Hart15M, Autostart-message Session r1950 auto-start message for Hart15M. --------------------------------------------- Started recording with source: 1057-797 at 160.17:00:00 UT ================================= r1950ht STOP ================================= 2020-06-09 17:03:51 r1950, Hart15M, Stop-message Session r1950 stop message for Hart15M. --------------------------------------- Comments: Hart15M has completed R1950. All scans recorded without incident. Weather conditions were mostly clear througout. Disk Inventory: A 0, B 2, C 0, D 1, E 1, F 0, G 0, H 0, (other larger) 6 Observation finished at: 16:57:54 UT ================================ r1950is READY ================================= 2020-06-08 05:40:57 [vlbi] q20160 and r1950, Ishioka, Ready-message Ishioka is ready for q20160 and r1950. First source of q20160 is NRAO512 at 160day 07:00:00(UT). First source of r1950 is 0059+581 at 160day 17:00:00(UT). The data recorder is K5/VSI system. All systems are normal. Weather is fine Temp:26.2 C, Hum:72.5 %, Pres:1003.2 hPa FMOUT - GPS = +284.0 nsec at 160-05:27 Tsys: X-band=38.2 K, S-band=194.3 K (EL=90) SEFD: X-band=1462.1 Jy, S-band=2373.2 Jy (Taurus-A, AZ=252.3, EL=58.5) About q20160 data transfer, Correlator is BONN. data server(GSI) -> iserv02 data directory(m5b) -> /ddn/vlbi/data/q20160is/m5b We will inform BONN, when the data is ready. About r1950 data transfer, Correlator is BONN. data server(GSI) -> iserv02 data directory(m5b) -> /ddn/vlbi/data/r1950is/m5b We will inform BONN, when the data is ready. Sincerely, Kentaro Nozawa, GSI/AES =================================================== GSI VLBI group Geospatial Information Authority of Japan web: http://www.spacegeodesy.go.jp/vlbi/en/ =================================================== ================================ r1950is START ================================= 2020-06-08 17:01:46 r1950, Ishioka, Start-message Session r1950 start message for Ishioka ---------------------------------------------------------------- Started recording with source 0059+581 at 2020/160/17:00:00UT FMOUT-GPS : +0.287 microseconds Wx: Temperature(C): 18.4 Pressure(hPa): 1005.2 Humidity(%): 99.4 ================================= r1950is STOP ================================= 2020-06-10 01:27:32 [vlbi] r1950, Ishioka, Stop-message Ishioka finished r1950. Comments: Missed 343 scans due to antenna EL drive trouble. We stopped the schedule at 13:01 due to another EL trouble. 7scan , from 161-0407 to 161-0430a 356scan, from 161-1301 to 161-1659 At 162-0:00, the antenna is working properly --- Manual measurement results at about 162-00:02 --- Temp: 27.0 C, Hum:78.8 %, Pres:1003.3 hPa GPS - FMOUT = 288.9 nsec at 162-00:02 (UT). Tsys: X-band=38.6 K, S-band=223.5 K (EL=90) SEFD: X-band=1488.6 Jy, S-band=2127.7 Jy (Cas-a, AZ=322.6, EL=53.4) We put the file "r1950is.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/ =================================================== ================================ r1950kk READY ================================= 2020-06-08 16:27:12 r1950, Kokee Park, Ready-message Session r1950 ready message for Kokee Park. ------------------------------------------- First source: 0059+581 at 160/1700:00 UT FMOUT-GPS: +9.51 microseconds Wx: Temperature (C): 15.3 Pressure (mBar): 891.1 Humidity (%): 92.8 Sky Conditions: mostly cloudy Cable difference is: longer cable makes the reading smaller by 52.2 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 2016/753 cygnusa 308/51 0.004 -0.003 2149/711 casa 7/52 -0.006 -0.002 Tsys (x1/s/x2): 85/42/46 ================================ r1950kk START ================================= 2020-06-08 17:00:10 r1950, Kokee Park, Autostart-message Session r1950 auto-start message for Kokee Park. ------------------------------------------------ Started recording with source: 0059+581 at 160.17:00:00 UT ================================= r1950kk STOP ================================= 2020-06-09 17:34:09 r1950, Kokee Park, Stop-message Session r1950 stop message for Kokee Park. ------------------------------------------ Comments: Diskpack MET-0001 will be sent out via Fedex AWB# 7706 2838 9604. Problem scans: Source Scan start Explanation of problem 0131-522 160/1740:44 RFI on IFB dropping pcal amplitude on BBC#13 Disk Inventory: A 0, B 0, C 0, D 8, E 1, F 0, G 2, H 5, (other larger) 7 Observation finished at: 161/1658:23 UT ================================ r1950kv READY ================================= 2020-06-08 04:37:39 R1950, Sejong, Ready-message First source of R1950: 0059+581 at 160/17:00:00 for 60 second (UT) FMOUT-GPS: -34.5 usec Wx: Temperature (C) 31.5 Pressure (hPa) 993.0 Humidity (%) 43.2 Point values SEFD S/X1/X2 AZ/EL Source Offset1 Offset2 3717/810/760 325/58 cas-a 0 +0.08 ================================ r1950kv START ================================= 2020-06-09 00:10:39 R1950, Sejong, start-message Session R1950 start-message for Sejong(Kv) Started recording with source 0059+581 at 160/17:00:00 (UT) ================================ r1950kv START ================================= 2020-06-09 00:29:14 R1950, Sejong, start-message Session R1950 start-message for Sejong(Kv) Started recording with source 0059+581 at 160/17:00:00 (UT) comment : data storage error occurred (160/17:30 ~ 161/00:30 (UT) ) ================================= r1950kv STOP ================================= 2020-06-10 00:28:10 R1950, Sejong, Stop-message Sejong finished R1950. FMOUT-GPS: -34.5 usec comment : data storage error occurred (160/17:30 ~ 161/00:30 (UT) ) / total scan : 276, total size : 1.1TB ================================ r1950ma READY ================================= 2020-06-08 17:27:49 R1950, MATERA, Ready-message Session R1950 ready message for MATERA. --------------------------------------- Comments: Due to antenna motor azimut failure, the session not started. We hope later. First source: 0 at 0 UT GPS-FMOUT: 0 microseconds Wx: Temperature (C): 0 Pressure (mBar): 0 Humidity (%): 0 Sky Conditions: 0 Cable difference is: longer cable makes the reading larger by 0 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 0/0 0 0/0 0 0 Tsys (x1/s/x2): 0/0/0 ================================ r1950ma START ================================= 2020-06-08 20:18:35 R1950, MATERA, Start-message Session R1950 start message for MATERA. --------------------------------------- Started recording with source: 1508-055 at: 20:15:46 UT ================================= r1950ma STOP ================================= 2020-06-09 17:11:48 r1950, MATERA, Stop-message Session r1950 stop message for MATERA. -------------------------------------- Comments: session started at 20:15:46 UTC due to antenna failure Problem scans: Source Scan start Explanation of problem 0 0 0 Disk Inventory: A 0, B 0, C 0, D 2, E 1, F 1, G 4, H 0, (other larger) 1 Observation finished at: 16:59:55s UT ================================ r1950ny READY ================================= 2020-06-08 16:21:44 R1950, Ny-Alesund, Ready-message Session R1950 ready message for Ny-Alesund. ------------------------------------------- Comments: Warm receiver First source: 0059+581 at 17:00:00 UT GPS-FMOUT: 158.15 microseconds Wx: Temperature (C): 0.3 Pressure (mBar): 988.8 Humidity (%): 89.4 Sky Conditions: Cloudy sky, low clouds Cable difference is: longer cable makes the reading larger by 672 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 3004/2350 cygnusa 21/30 0.0001 0.0017 3521/2164 casa 342/48 -0.0036 0.0024 3471/2320 taurusa 247/26 0.0029 -0.0005 Tsys (x1/s/x2): 233/201/225 ================================ r1950ny START ================================= 2020-06-08 17:00:00 r1950, Ny-Alesund, Autostart-message Session r1950 auto-start message for Ny-Alesund. ------------------------------------------------ Started recording with source: 0059+581 at 160.17:00:00 UT ================================= r1950ny STOP ================================= 2020-06-09 17:32:53 r1950, Ny-Alesund, Stop-message Session r1950 stop message for Ny-Alesund. ------------------------------------------ Comments: PKS-0008/2000 Disk Inventory: A 0, B 0, C 0, D 6, E 0, F 0, G 0, H 0, (other larger) 10 Observation finished at: 16:59:55 UT =================================== r1950ny =================================== 2020-06-09 11:45:51 R1950 - Ny-Ålesund 13m (Ns) Dear all, Unfortunately we have not been able to join R1950 with the Ny-Ålesund 13m radio telescope (Ns) due to communication issues between the antenna control unit and the subreflector. So far we have not managed to solve the issue but we hope to have the telescope operational again prior to R1951. Best regards, Ny-Ålesund VLBI team =================================== r1950ny =================================== 2020-06-09 18:07:27 Re: R1950 - Ny-Ålesund 13m (Ns) Dear all, After further troubleshooting we finally managed to solve the issue and joined for the last hours of R1950 with the Ns telescope (32 scans from r1950_ns_161_1436 to r1950_ns_161_1658). Best regards, Ny-Ålesund VLBI team Fra: vlbi Sendt: tirsdag 9. juni 2020 13:46 Til: ivs-ops@lists.nasa.gov Kopi: vlbi Emne: R1950 - Ny-Ålesund 13m (Ns) Dear all, Unfortunately we have not been able to join R1950 with the Ny-Ålesund 13m radio telescope (Ns) due to communication issues between the antenna control unit and the subreflector. So far we have not managed to solve the issue but we hope to have the telescope operational again prior to R1951. Best regards, Ny-Ålesund VLBI team ================================ r1950wn START ================================= 2020-06-08 17:39:07 r1950wn, Wettzell (wn), Start-message Wettzell (wz) started r1950wn at scheduled time. First source (wz): 0059+581 at 17:00:00 UT (start data) System status: OK WX/ Automatic meteo report: cloud coverage of 100.0%, no rain, light breeze (2 Bft/8.28 km/h), no wind stow alert Regards, Wettzell obs. ================================= r1950wn STOP ================================= 2020-06-09 18:17:35 r1950, Wettzell (wn), Stop-message Wettzell (wn) finished r1950wn at scheduled time. System status: OK Regards, Wettzell obs. ================================ r1950wz START ================================= 2020-06-08 17:39:10 r1950wz, Wettzell (wz), Start-message Wettzell (wz) started r1950wz at scheduled time. First source (wz): 0059+581 at 17:00:00 UT (start data) System status: OK WX/ Automatic meteo report: cloud coverage of 100.0%, no rain, light breeze (2 Bft/8.28 km/h), no wind stow alert Regards, Wettzell obs. ================================= r1950wz STOP ================================= 2020-06-09 18:17:16 r1950, Wettzell (wz), Stop-message Wettzell (wz) finished r1950wz at scheduled time. System status: OK Regards, Wettzell obs. ================================= r1950yg STOP ================================= 2020-06-09 18:41:38 Yarragadee has completed r1950 Yarragadee has completed r1950 The log and procedure files from experiment r1950 have been copied to ivs.bkg.bund.de: Formatter (H-maser) leads GPS by 8.3723 microsec at 2020.161.16:59:09.03 Additional experiment notes: Recorded 1444.96 GB on NRAO-180. The data is being transferred electronically to BONN. Known Problems? none Missed Scans? none Observers Eloise, Warren,Jay and mas Regards, mas Comments from the Log: University of Tasmania Electronic Communications Policy (December, 2014). This email is confidential, and is for the intended recipient only. Access, disclosure, copying, distribution, or reliance on any of it by anyone outside the intended recipient organisation is prohibited and may be a criminal offence. Please delete if obtained in error and email confirmation to the sender. The views expressed in this email are not necessarily the views of the University of Tasmania, unless clearly intended otherwise. ================================= r1950yg WIKI ================================= 2020-06-08 17:05:00 r1950 Yarragadee 12m VSN: NRAO-180/2400/1024 | Data volume at beginning: 0.0GB Experiment Started OK (Eloise) ================================================================================