==================================== r1827 ===================================== Ft : Reported that S-band seems unstable. Power failure (08:52-08:56) Observed with warm receiver. Ht : Antenna drive failure caused by false alarm triggering emergency stop. Missed 10 scans (20:37-20:45, 00:40-00:57). Kv : Antenna stuck for 4 hours (19:50-00:15). No problems found for : Is, Ke, Mc, Ny, Wn, Yg ================================ r1827ft READY ================================= 2018-02-02 18:45:27 R1827, Fortaleza, ready-message Session R1827 ready-message for Fortaleza. ------------------------------------------- Comments: Receiver is warm. We are with problems in receiver box temperature control system. The receiver box is working open. First source: 2255-282 at 029 - 17:00:00 UT. FMOUT-GPS: 0.730 microseconds. Sky Conditions: Overcast. Cable difference is: longer cable makes the reading larger by 104.3 microseconds and is nominal. Pointing values: SEFD (X/S) Source Az/El Offset1 Offset2 / Cygnus-A 011/44 0.023 0.004 (pointed with warm receiver) -- FORTALEZA VLBI TEAM. ================================= r1827ft STOP ================================= 2018-02-02 18:46:10 R1827, Fortaleza, Stop-message Fortaleza finished R1827 session at scheduled time. End of schedule: 030 - 16:47:58 UT. Comments: Receiver is warm. Scan from 08:52:57 ut to 08:56:38 ut were missed due to a power failure. S band amplifier presents an intermittent problem. The stage 3 bias current reads unusual value and the signal drops in all S band channels. Data will be uploaded to Wash by e-transfer. Disk Inventory Size D/2000GB = 03 Size G/4000GB = 03 Size H/6000GB = 01 Size J/8000GB = 08 Other Size (1000GB) = 01 Last update: JAN/2018. Fortaleza VLBA Team. ================================ r1827ht READY ================================= 2018-01-29 16:38:11 r1827, Hart15M, Ready-message Session r1827 ready message for Hart15M. ---------------------------------------- Comments: Hart15m is ready to start R1827ht All systems are nominal First source: 2255-282 at 17:00:00 UT FMOUT-GPS: 12.6670 microseconds Wx: Temperature (C): 16.2 Pressure (mBar): 863.5 Humidity (%): 87.7 Sky Conditions: Overcast Cable difference is: na Pointing values: na Tsys (x1/s/x2): 38.5/44.9/40.8 ================================ r1827ht START ================================= 2018-01-29 17:00:00 r1827, Hart15M, Autostart-message Session r1827 auto-start message for Hart15M. --------------------------------------------- Started recording with source: 2255-282 at 029.17:00:00 UT ================================= r1827ht STOP ================================= 2018-01-30 17:01:13 r1827, Hart15M, Stop-message Session r1827 stop message for Hart15M. --------------------------------------- Comments: Hart15M has completed R1827 Missed following scans due antenna drive failure caused by fault in dicrete harness triggering false emergency stop: from scan 029-2037b up to scan 029-2045; from scan 030-0040 up to scan 030-0057a Weather conditions: overcast throughout Data will be e-shipped to Washington Disk Inventory: A 0, B 0, C 0, D 1, E 0, F 0, G 2, H 1, (other larger) 7 Observation finished at: 16:59:55 UT ================================ r1827is START ================================= 2018-01-29 17:01:26 r1827, Ishioka, Start-message Session r1827 start message for Ishioka ---------------------------------------------------------------- Started recording with source oj287 at 2018/029/17:00:00UT FMOUT-GPS : +0.422 microseconds Wx: Temperature(C): 0.7 Pressure(hPa): 995.0 Humidity(%): 97.8 ================================= r1827is STOP ================================= 2018-01-31 01:06:36 [vlbi] r1827, Ishioka, Stop-message Ishioka finished r1827. Comments: All scans were recorded. --- Automatic measurement results at about 030-16:57 --- Temp: 0.0 C, Hum:75.8 %, Pres:1006.7 hPa FMOUT - GPS = +416.2 nsec at 030-16:57 (UT). Tsys: X-band=45.9 K, S-band=351.1 K (EL=90) SEFD: X-band=1361.5 Jy, S-band=1806.8 Jy (Virgo-A, AZ=136.1, EL=59.4) We put the file "r1827is.log" on "cddis.gsfc.nasa.gov". Sincerely, NUMAJIRI Katsumi, GSI/AES =================================================== GSI VLBI group Geospatial Information Authority of Japan e-mail: gsi-vlbi-oper at ml.mlit.go.jp web: http://www.spacegeodesy.go.jp/vlbi/en/ =================================================== ================================= r1827ke WIKI ================================= 2018-01-29 23:27:00 r1827 Katherine 12m wiki information Disk VSN: WSRT-039 | Data volume at beginning: 0.256GB 17:00UT - Experiment started OK (Ross). ================================ r1827kv READY ================================= 2018-01-30 01:52:52 r1827, Sejong, Ready-message FMOUT-GPS: -23.7 usec Wx: Temperature (C) -3.6 Pressure (hPa) 1000.9 Humidity (%) 87.6 ================================ r1827kv START ================================= 2018-01-30 01:57:31 r1827 Sejong, Start-message Session r1827 start-message for Sejong(Kv) ================================= r1827kv STOP ================================= 2018-01-31 04:35:59 r1827,Sejong,Stop-message Comment: DOY 029 ut 21:08 ~ DOY 030 ut 00:12 Antenna movement error ================================ r1827mc READY ================================= 2018-01-29 16:40:51 r1827, Medicina, Ready-message Session r1827 ready message for Medicina. ----------------------------------------- First source: oj287 at 17:00:00 UT GPS-FMOUT: 8.18 microseconds Wx: Temperature (C): 6.5 Pressure (mBar): 1028.1 Humidity (%): 87.4 Sky Conditions: foggy Cable difference is: na Pointing values: SEFD X/S Source Az/El Offset1 Offset2 286/482 3c123 90/45 0.004 0.000 Tsys (x1/s/x2): 35/44/28 ================================ r1827mc START ================================= 2018-01-29 17:00:01 r1827, Medicina, Autostart-message Session r1827 auto-start message for Medicina. ---------------------------------------------- Started recording with source: oj287 at 029.17:00:01 UT ================================= r1827mc STOP ================================= 2018-01-30 17:02:07 r1827, Medicina, Stop-message Session r1827 stop message for Medicina. ---------------------------------------- Comments: success, no known problems Observation finished at: 17:00 UT ================================ r1827ny READY ================================= 2018-01-29 16:39:32 r1827, Ny-Alesund, Ready-message Session r1827 ready message for Ny-Alesund. ------------------------------------------- First source: OJ287 at 17:00:00 UT GPS-FMOUT: 108.76 microseconds Wx: Temperature (C): -7.3 Pressure (mBar): 1007.3 Humidity (%): 65.9 Sky Conditions: overcast Cable difference is: longer cable makes the reading larger by 678.6 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 1218/1739 cygnus a 276/41 -0.0072 -0.0001 1402/1686 cas a 232/67 0.0019 0.0002 1404/1939 taurus a 151/28 0.0031 0.0126 Tsys (IFA/IFB/IFC): 96/69/53 ================================ r1827ny START ================================= 2018-01-29 17:00:00 r1827, Ny-Alesund, Autostart-message Session r1827 auto-start message for Ny-Alesund. ------------------------------------------------ Started recording with source: oj287 at 029.17:00:00 UT ================================= r1827ny STOP ================================= 2018-01-30 17:01:35 r1827, Ny-Alesund, Stop-message Session r1827 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) 9 Observation finished at: 16:59:55 UT ================================ r1827wn START ================================= 2018-01-29 18:32:58 r1827, Wettzell (wn), Start-message Wettzell (wn) started r1827 at scheduled time. First source (wn): OJ287 at 17:00:00 UT (start data). Delta ut(ref-efos60) = 2.853 micsec. at 029.17:45 UT. Delta ut(ref-tac2) = 0.932 micsec. at 029.17:45 UT. wx/covered, no rain. Regards, Wettzell obs. ================================= r1827wn STOP ================================= 2018-01-30 17:12:37 r1827, Wettzell (wn), Stop-message Wettzell (wz) finished r1827 at scheduled time. wx/almost clear sky, misty. Regards, Wettzell obs. ================================= r1827yg WIKI ================================= 2018-01-29 23:27:00 r1827 Yarragadee 12m wiki information Disk VSN: IAA-0034 | Data volume at beginning: 0.385GB 17:00UT - Experiment started OK (Ross). ================================================================================