==================================== r4934 ===================================== Ma : Antenna problems (18:59-22:50). No problems found for : Ft, Ht, Kk, Ny, Wz, Yg ================================ r4934ft READY ================================= 2020-02-20 18:10:04 R4934, Fortaleza, Ready-message Session R4934 ready-message for Fortaleza. ------------------------------------------- Comments:First source: 0308-611 at 051 - 18:32:45 UT. FMOUT-GPS: 0.500 microseconds. Sky Conditions: Overcast with rain. Cable difference is: longer cable makes the reading larger by 106.0 microseconds and is nominal. Pointing values: SEFD (X/S) Source Az/El Offset1 Offset2 2444.9/2551.9 Cygnus-A 348/44 0.026 -0.023 -- FORTALEZA VLBI TEAM. ================================ r4934ft START ================================= 2020-02-20 18:32:51 R4934, Fortaleza, Start-message Session R4934 Start message for Fortaleza. -------------------------------------------- Started recording with source: 0308-611 at 051 - 18:32:45 UT as scheduled. -- FORTALEZA VLBI TEAM. ================================= r4934ft STOP ================================= 2020-02-21 18:40:47 R4934, Fortaleza, Stop-message Fortaleza finished R4934 session at 052 - 18:29:43 UT as scheduled. Comments: All scans recorded. Data will be uploaded by e-transfer to WACO. Disk Inventory Size D/2000GB = 03 Size G/4000GB = 02 Size J/8000GB = 10 Size K/16000GB = 01 Other Size (1000GB) = 01 Last update: Feb/2019. Fortaleza VLBA Team ================================ r4934ht READY ================================= 2020-02-20 14:04:33 r4934, Hart15M, Ready-message Session r4934 ready message for Hart15M. ---------------------------------------- Comments: Hart15M is ready to start the experiment. First source: oj287 at 18:30:00 UT FMOUT-GPS: 1.8810 microseconds Wx: Temperature (C): 27.9 Pressure (mBar): 861.9 Humidity (%): 48.1 Sky Conditions: 20% cloud cover Cable difference is: na Pointing values: na Tsys (x1/s/x2): 36.5/49.4/46.5 ================================ r4934ht START ================================= 2020-02-20 18:30:00 r4934, Hart15M, Autostart-message Session r4934 auto-start message for Hart15M. --------------------------------------------- Started recording with source: oj287 at 051.18:30:00 UT ================================= r4934ht STOP ================================= 2020-02-21 18:32:44 r4934, Hart15M, Stop-message Session r4934 stop message for Hart15M. --------------------------------------- Comments: Hart15M has completed R4934. All scans recorded without incident. Weather conditions were light cloud at the start, mostly clear in the middle and overcast with rain towards the end. Data will be e-shipped to Washington. Disk Inventory: A 0, B 2, C 0, D 1, E 1, F 0, G 0, H 0, (other larger) 8 Observation finished at: 18:28:14 UT ================================ r4934kk READY ================================= 2020-02-20 19:31:28 r4934, Kokee Park, Ready-message Session r4934 ready message for Kokee Park. ------------------------------------------- Comments: Cable cal and pointing check done prior for intensive i20051 First source: 1324+224 at 051/1933:06 UT FMOUT-GPS: +12.06 microseconds Wx: Temperature (C): 13.6 Pressure (mBar): 893.5 Humidity (%): 92.7 Sky Conditions: overcast Cable difference is: longer cable makes the reading smaller by 52.8 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 2211/728 casa 32/16 -0.001 0.002 1744/676 cygnusa 51/50 0.000 0.002 Tsys (x1/s/x2): 81/38/52 ================================ r4934kk START ================================= 2020-02-20 19:33:12 r4934, Kokee Park, Autostart-message Session r4934 auto-start message for Kokee Park. ------------------------------------------------ Started recording with source: 1324+224 at 051.19:33:06 UT ================================= r4934kk STOP ================================= 2020-02-21 18:30:58 r4934, Kokee Park, Stop-message Session r4934 stop message for Kokee Park. ------------------------------------------ Comments: No post pointing check done due to short turnaround. Disk# JOD-0024 will be shipped out via FedEx AWB# 7777 9590 5418 Disk Inventory: A 0, B 0, C 0, D 8, E 0, F 0, G 1, H 5, (other larger) 2 Observation finished at: 052/1828:48 UT ================================ r4934ma READY ================================= 2020-02-20 10:26:14 R4934, MATERA, Ready-message Session R4934 ready message for MATERA. --------------------------------------- First source: 0J287 at 18:30.00 UT GPS-FMOUT: 1.2413 microseconds Wx: Temperature (C): 5.3 Pressure (mBar): 962.5 Humidity (%): 81.7 Sky Conditions: CLOUDY SKY Cable difference is: longer cable makes the reading larger by 256.3 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 30.51.3/1348.8 CASA 37/62 -0.01290 0.00214 Tsys (x1/s/x2): 99.58/262.9/0 ================================ r4934ma START ================================= 2020-02-20 18:30:45 r4934, MATERA, Start-message Session r4934 start message for MATERA. --------------------------------------- Started recording with source: OJ287 at: 18:30:00 UT ================================= r4934ma STOP ================================= 2020-02-21 18:47:08 r4934, MATERA, Stop-message Session r4934 stop message for MATERA. -------------------------------------- Comments: lost sources from 19.29 to 22.50 due to antenna problems Problem scans: Source Scan start Explanation of problem none none none Disk Inventory: A 0, B 0, C 0, D 0, E 0, F 0, G 1, H 0, (other larger) 7 Observation finished at: 18:30 UT ================================ r4934ny READY ================================= 2020-02-20 17:36:59 r4934, Ny-Alesund, Ready-message Session r4934 ready message for Ny-Alesund. ------------------------------------------- First source: OJ287 at 18:30:30 UT GPS-FMOUT: 159,39 microseconds Wx: Temperature (C): -15,2 Pressure (mBar): 979,1 Humidity (%): 86,70 Sky Conditions: Partly cloudy Cable difference is: longer cable makes the reading larger by 673,9 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 769,4/1304,1 Cygnusa 306,9229/34,6807 -0,00403 -0,02469 862,3/1284,5 Casa 269,5502/60,8671 -0,01674 -0,01471 969,9/1428,4 Taurusa 157,7325/32,3531 0,0031 -0,01458 Tsys (x1/s/x2): 49/131/54 ================================ r4934ny START ================================= 2020-02-20 17:37:08 r4934, Ny-Alesund, Start-message Session r4934 start message for Ny-Alesund. ------------------------------------------- Started recording with source: OJ287 at: 18:30:00 UT ================================= r4934ny STOP ================================= 2020-02-21 18:29:37 r4934, Ny-Alesund, Stop-message Session r4934 stop message for Ny-Alesund. ------------------------------------------ Disk Inventory: A 0, B 0, C 0, D 6, E 0, F 0, G 0, H 0, (other larger) 10 Observation finished at: 18:28:07 UT ================================ r4934yg READY ================================= 2020-02-20 18:39:21 r4934 Yarragadee (Yg), ready message Session r4934 ready message for Yarragadee (Yg) ----------------------------------------------------------- First source: oj287 at 18:30:00 UT Formatter to GPS difference (fmout-GPS) is 11.9063 us at 051.18:36:56 UT Weather: Temperature (C): , Pressure (hPa): , Humidity (%): Additional operator comments (if any): mostly cloudy Pointing results: SEFD S/X Source Az/El Offset (xEl) Offset (El) Tsys (S/X): Fringe check: Source: Array: Result: Additional Comments: Additional setup notes (OK = done, NOK = not checked/done): ----------------------------------------------------------- Checklist "Before observation" Sent by Becca (user alias: oper) System: Schedule file prepared OK Signals: RF and IF signal paths configured OK DBBC: Server software running OK DBBC: pps_sync sent (if reconfigured) OK DBBC: client software NOT running on DBBC OK DBBC: IFs correctly selected OK DBBC: Frequency settings correct OK Time: Maser ok OK Mark5: dim software running OK Mark5: Time correct (ntpq) OK Mark5: recording mode set (e.g. proc=xxxx; ready_disk) OK Mark5: reported VSNs agree with printed labels OK Mark5: configured (e.g. setupsx) OK Mark5: Times OK (i.e. mk5=dot? fmset may be required) OK Time: Field system time aggrees with station time (fmset) OK Time: Maser to GPS difference in usec (maserdelay command. Enter value@day/time) (value=1.22151@2020.051/18:25:43.04) OK Time: Formatter out to GPS difference in usec (clkoff command. Enter value@day/time) (value=1.19033@2020.051/18:25:56.52) OK Time: delays OK, stable and within 1us (clkoff, maserdelay) OK Mark5: test recording OK (scan_check and autocorrelation) OK Tsys: systemp12 command working and Tsys looking OK (S ~85-95, X ~80-90) OK Antenna: pad clear of obstructions OK Antenna: has a kangaroo pressed the pedestal e-stop button? OK Antenna: Time OK (i.e. SNTP server OK) OK Antenna: in remote mode OK Antenna: Pointing and SEFD checked (put comment in the log, including source used, Az, El, offsets) OK Meteorology: Weather conditions ok (enter short meteorological report) (value=mostly cloudy) OK System: Fringe Check Done? (Indicate if S and X-band fringes were detected) OK Skype chat with other stations started OK Additional notes: 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. ================================= r4934yg STOP ================================= 2020-02-21 19:54:17 Yarragadee has completed r4934 Yarragadee has completed r4934 The log and procedure files from experiment r4934 have been copied to ivs.bkg.bund.de: Formatter (H-maser) leads GPS by 12.0173 microsec at 2020.052.19:52:56.50 Additional experiment notes: Recorded 1165.41 GB to module ,B61NAR5 using the Mark5B+ recorder. The Module is being sent to WASH using DHL. Known problems: No Missed Scans: No Observers: Becca, Lim, Jay and Prad Regards, Prad 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. ================================= r4934yg WIKI ================================= 2020-02-20 22:17:00 r4934 Yarragadee 12m Disk VSN: USN-0193/2000| Data volume at beginning: 1934.908GB 1830UT Experiment started okay (Becca). 2020.051.20:11:07 ALARM: Large difference between formatter and maser delays. Check for stability of new offset. 2020.051.20:11:09 WARNING: error ib -4 gpib device time-out on response c1 2020.051.20:11:11 DBBC pps_delay1 = 61950 2020.051.20:11:18 Alarm 2020.051.20:40:02 ALARM: Large difference between formatter and maser delays. Check for stability of new offset. Above error happens occasionally an clears itself (Lim) ================================================================================