==================================== r1861 ===================================== Ft : Antenna stuck. Replace AZ tire (18:30-19:05). Az torque limiter stuck (09:17-12:34). Receiver is COLD. Is : Did not observe. Antenna problem. Kk : Observed with warm receiver. Ma : Many antenna off-source/re-acquired messages. Ny : Observed with warm receiver. Wz : Interruption due to technical service (07:36-08:48). Yg : Late start due to bad module (17:00 - 18:00). No problems found for : Ht, Ke ================================ r1861ft READY ================================= 2018-09-25 16:49:22 R1861, Fortaleza, ready-message Session R1861 ready-message for Fortaleza. ------------------------------------------- Comments: This is the first session with recently replaced dewar and compressor. Temperatures are 23K/43K again. Thanks to Jay Redmond and his team for the support. First source: 1726+455 at 268 - 17:03:23 UT. FMOUT-GPS: 0.438 microseconds. Sky Conditions: Mostly Clear. Cable difference is: longer cable makes the reading larger by 105.8 microseconds and is nominal. Pointing values: SEFD (X/S) Source AZ/EL Offset(AZ) Offset(EL) 2008.9/2448.2 Orion-A 266/32 0.007 -0.004 -- FORTALEZA VLBI TEAM. ================================ r1861ft READY ================================= 2018-09-27 18:42:48 R1861, Fortaleza, Ready-message Session R1861 ready-message for Fortaleza. ------------------------------------------- Comments: Receiver is cold. We are with problems in receiver box temperature control system. The receiver box is working open. First source: 3c418 at 270 - 18:30:00 UT. FMOUT-GPS: 0.406 microseconds. Sky Conditions: Clear. Cable difference is: longer cable makes the reading larger by 102.6 microseconds and is nominal. Pointing values: SEFD (X/S) Source Az/El Offset1 Offset2 / Virgo-A 291/43 0.043 -0.020 -- FORTALEZA VLBI TEAM. ================================= r1861ft STOP ================================= 2018-09-26 17:06:03 R1861, Fortaleza, Stop-message Fortaleza finished R1861 session at 269 - 16:56:49 UT. Comments: Scans from 09:17:39ut to 12:32:58ut were missed due to a AZ torque limiter have stuck, it was fixed and the recording restarted at 12:34:45ut Data will be uploaded by e-transfer to BONN. Disk Inventory Size D/2000GB = 03 Size G/4000GB = 02 Size J/8000GB = 09 Other Size (1000GB) = 01 Last update: SEP/2018. Fortaleza VLBA Team ================================= r1861ft STOP ================================= 2018-09-26 17:58:42 R1861, Fortaleza, Stop-message (Correction) Fortaleza finished R1861 session at 269 - 16:56:49 UT. Comments: Scans missed from 18:30:46ut to 19:05:06ut to replace a broken tire at AZ axis movement. Scans missed from 09:17:39ut to 12:32:58ut because an AZ torque limiter have stuck, it was fixed and the recording restarted at 12:34:45ut. Data will be uploaded by e-transfer to BONN. Disk Inventory Size D/2000GB = 03 Size G/4000GB = 02 Size J/8000GB = 09 Other Size (1000GB) = 01 Last update: SEP/2018. Fortaleza VLBA Team ================================ r1861ht READY ================================= 2018-09-25 14:09:25 r1861, Hart15M, Ready-message Session r1861 ready message for Hart15M. ---------------------------------------- Comments: Hart15M is ready to start r1861 J.A.G is shifting First source: 2227-088 at 17:00:00 UT FMOUT-GPS: 7.4135 microseconds Wx: Temperature (C): 28.0 Pressure (mBar): 861.9 Humidity (%): 22.4 Sky Conditions: clear skies Cable difference is: na Pointing values: na Tsys (x1/s/x2): 35.2/47.9/39.2 ================================ r1861ht START ================================= 2018-09-25 17:00:00 r1861, Hart15M, Autostart-message Session r1861 auto-start message for Hart15M. --------------------------------------------- Started recording with source: 2227-088 at 268.17:00:00 UT ================================= r1861ht STOP ================================= 2018-09-26 17:01:11 r1861, Hart15M, Stop-message Session r1861 stop message for Hart15M. --------------------------------------- Comments: Hart15M has completed R1861. All scans recorded without incident. Weather conditions were clear throughout. Data will be e-shipped to Bonn. Disk Inventory: A 0, B 0, C 0, D 0, E 0, F 0, G 2, H 0, (other larger) 4 Observation finished at: 16:59:55 UT ================================ r1861is OTHER ================================= 2018-09-21 14:17:53 FW: Ishioka will not observe q18265, q18266, q18267 and r1861 FYI. -----Original Message----- From: ueshiba-h96qp@mlit.go.jp Sent: Friday, September 21, 2018 3:04 AM To: ivs-ops@lists.nasa.gov Cc: Thomas, Cynthia C. (GSFC-61A.0)[NVI INC] ; Himwich, Ed (GSFC-61A.0)[NVI INC] ; Behrend, Dirk (GSFC-61A.0)[NVI INC] ; gsi-vlbi@ml.mlit.go.jp; geodesy@mpifr-bonn.mpg.de Subject: Ishioka will not observe q18265, q18266, q18267 and r1861 Dear all, Ishioka will not observe q18265, q18266, q18267 and r1861 because antenna trouble has not been resolved yet. We will continue to troubleshoot next week, but Ishioka may not be able to observe r4861 and intensives of next week. We will inform you the status of Ishioka again, next week. Best regards, Haruka Ueshiba GSI ---------------------------------------------------- GSI VLBI group Geospatial Information Authority of Japan e-mail: gsi-vlbi-oper@ml.mlit.gsi.go.jp ---------------------------------------------------- ================================= r1861ke WIKI ================================= 2018-09-25 22:03:00 r1861 Katherine 12m Disk VSN: NRAO-144/2000 | Data volume at beginning: 0.32 GB 17:00 Experiment started OK. (Atifur) ================================ r1861kk READY ================================= 2018-09-25 16:30:24 r1861, Kokee Park, Ready-message Session r1861 ready message for Kokee Park. ------------------------------------------- Comments: Running experiment warm due to cryo issues. First source: oj287 at 268/1701:24 UT FMOUT-GPS: +6.10 microseconds Wx: Temperature (C): 18.6 Pressure (mBar): 883 Humidity (%): 100 Sky Conditions: overcast, raining Cable difference is: longer cable makes the reading smaller by 51.3 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 6816/1836 oriona 185/62 -0.020 0.015 9734/1971 casa 328/15 0.001 0.022 Tsys (x1/s/x2): 359/98/196 ================================ r1861kk START ================================= 2018-09-25 17:01:24 r1861, Kokee Park, Autostart-message Session r1861 auto-start message for Kokee Park. ------------------------------------------------ Started recording with source: oj287 at 268.17:01:24 UT ================================= r1861kk STOP ================================= 2018-09-26 17:19:06 r1861, Kokee Park, Stop-message Session r1861 stop message for Kokee Park. ------------------------------------------ Comments: Ran experiment warm due to cryo issues. Disk# USN-0141 will be shipped out via FedEx AWB# 7733 2179 8569 Problem scans: Source Scan start Explanation of problem 0736+017 269/1732:23 RFI on IFB Disk Inventory: A 0, B 0, C 0, D 15, E 6, F 0, G 0, H 0, (other larger) 0 Observation finished at: 269/1659:55 UT ================================ r1861wz START ================================= 2018-09-25 16:44:52 r1861wz - start Wettzell started r1861wz at 268/17:00ut delta ut (ref-efos18) = 3.981us at 268/15:45ut delta ut (ref-gps;tac2) = 0.929us at 268/15:45ut systemstatus ok wx/ clear sky, calm. regards, wz-obs. ================================= r1861yg WIKI ================================= 2018-09-25 22:03:00 r1861 Yarragadee 12m Disk VSN: OSOD-050/2000 | Data volume at beginning: 2.0 GB 18:10 Experiment started late due to bad module (USN-0191/2000). First scan 268-1801b. (Atifur) ================================================================================