==================================== r4951 ===================================== Bd : Thunderstorm (06:42-07:45) (12:54-14:17). Ny : Problem with cable delay. Observed with warm receiver. Sv : Antenna problems missing 15%. Major problems around (10:22-11:01) (15:00-16:15). Wz : Halted (07:45-07:49). Ys : Did not participate. No problems found for : Ht, Kk, Wn, Yg ================================ r4951bd READY ================================= 2020-06-18 18:24:04 r4951 Badary, Ready-message Session r4951 Ready message for Badary. Mark5B+ recorder. GPS-FMOUT: 2.075 microseconds. Wx: Temperature (C):10; Pressure (mBar):908; Humdity (%):82 Sky conditions: cloudy State of cryogenic system: on (cold) Pointing values: SEFD X RCP/S RCP Source Az/El Offset1 Offset2 399/396 Cygnus A 77/45 -0.00529 -0.01889 Tsys X RCP/S RCP: 53/48 Operator Polubentsev ================================ r4951bd START ================================= 2020-06-18 18:31:21 r4951 Badary, Start-message Badary started r4951 session as scheduled at 170/18:30:00 UTC. First source 1546+027 Operators Plotnikova, Polubentsev ================================= r4951bd STOP ================================= 2020-06-20 19:45:43 r4951 Badary, Stop-message Badary ends r4951 observing 280 Scans 171-0641 to 171-0748, 171-1254b to 171-1416b missed due to thunderstorm Session were recorded on module IAAC+022/8000/1024 Operators Plotnikova, Polubentsev, Kotlova, Sorokovikov ================================ r4951ht READY ================================= 2020-06-18 16:18:17 r4951, Hart15M, Ready-message Session r4951 ready message for Hart15M. ---------------------------------------- Comments: Hart15M is ready to start R4951. All systems appear to be nominal. Session is being operated remotely. First source: 1546+027 at 18:30:00 UT FMOUT-GPS: 2.3855 microseconds Wx: Temperature (C): 7.3 Pressure (mBar): 874.0 Humidity (%): 76.4 Sky Conditions: Mostly clear Cable difference is: na Pointing values: na Tsys (x1/s/x2): 35.4/46.6/40.7 ================================ r4951ht START ================================= 2020-06-18 18:30:00 r4951, Hart15M, Autostart-message Session r4951 auto-start message for Hart15M. --------------------------------------------- Started recording with source: 1546+027 at 170.18:30:00 UT ================================= r4951ht STOP ================================= 2020-06-19 18:31:09 r4951, Hart15M, Stop-message Session r4951 stop message for Hart15M. --------------------------------------- Comments: Hart15M has completed R4951. All scana recorded successfully. Weather was clear to mostly clear throughout. 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) 6 Observation finished at: 18:24:38 UT ================================ r4951kk READY ================================= 2020-06-18 19:31:33 r4951, Kokee Park, Ready-message Session r4951 ready message for Kokee Park. ------------------------------------------- Comments: Cable cal and pointing checks done prior to experiment i20170, First source: 0059+581 at 170/1935:39 UT FMOUT-GPS: +9.29 microseconds Wx: Temperature (C): 17.1 Pressure (mBar): 890.3 Humidity (%): 90.7 Sky Conditions: clear sky Cable difference is: longer cable makes the reading smaller by 57.3 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 2005/677 casa 347/52 0.013 0.003 2025/742 cygnusa 305/31 0.004 0.006 Tsys (x1/s/x2): 87/39/57 ================================ r4951kk START ================================= 2020-06-18 19:35:49 r4951, Kokee Park, Autostart-message Session r4951 auto-start message for Kokee Park. ------------------------------------------------ Started recording with source: 0059+581 at 170.19:35:39 UT ================================= r4951kk STOP ================================= 2020-06-19 18:31:48 r4951, Kokee Park, Stop-message Session r4951 stop message for Kokee Park. ------------------------------------------ Comments: Diskpack WSRT-058 will be sent out via Fedex AWB# 7706 6590 4238. Disk Inventory: A 0, B 0, C 0, D 6, E 1, F 0, G 2, H 5, (other larger) 7 Observation finished at: 171/1829:00 UT ================================ r4951ny READY ================================= 2020-06-18 18:26:50 r4951, Ny-Alesund, Ready-message Session r4951 ready message for Ny-Alesund. ------------------------------------------- Comments: Warm reciever. Strange cablediff reading. But the unit seems to be operting as it should. First source: 1546+027 at 18.30.00 UT GPS-FMOUT: 157.72 microseconds Wx: Temperature (C): 2.8 Pressure (mBar): 1006.2 Humidity (%): 94.2 Sky Conditions: Cloudy 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 2722.4/2408.8 CygnusA 60.2105/35.9406 -0.00955 0.00337 3625.9/2207.9 CasA 10.2712/48.0806 -0.0079 0.00097 4135.6/2861.0 TaurusA 290.4676/18.4987 0.0189 -0.00345 Tsys (x1/s/x2): 247/240/206 ================================ r4951ny START ================================= 2020-06-18 18:33:09 r4951, Ny-Alesund, Autostart-message Session r4951 auto-start message for Ny-Alesund. ------------------------------------------------ Started recording with source: 1546+027 at 170.18:33:09 UT ================================= r4951ny STOP ================================= 2020-06-19 18:47:38 r4951, Ny-Alesund, Stop-message Session r4951 stop message for Ny-Alesund. ------------------------------------------ Comments: Problems with cable delay Problem scans: Source Scan start Explanation of problem 1546+027 170-1830 Not on source 0748+126 170-1833a Not on source Disk Inventory: A 0, B 0, C 0, D 6, E 0, F 0, G 0, H 0, (other larger) 10 Observation finished at: 18.29.02 UT ================================ r4951sv READY ================================= 2020-06-18 16:19:38 r4951, . Svetloe, Ready-message. Sessions r4951, Ready-message for Svetloe. ----------------------------------------------------------- Mark5B+ recorder. GPS-FMOUT: +1.7453 microseconds. Wx: Temperature (C): 25.9; Pressure(mBar): 1004.6; Humidity(%): 63.3. Sky conditions: cloudy. Pointing values: SEFD X/S Source Az/El Offset1 Offset2 499/ -- CygA 43/21 0.00907 0.01306 Tsys (X/S):137/52. S-receiver RFI. Operator Andreeva. -- Best regards, operator vlbi(Svetloe). ================================ r4951sv START ================================= 2020-06-18 18:30:41 R4951. Svetloe, Start-message. Session R4951 start-message for Svetloe. --------------------------------------------------------------------------------------- Svetloe started R4951 session as schedule at 170/18:30:00 UT. First source 1546+027 Mark5B+ recorder. Operator Kirillova V. -- Best regards, operator vlbi(Svetloe). ================================= r4951sv STOP ================================= 2020-06-19 18:31:01 R4951. Svetloe, Stop- message. Session R4951 Stop-message for Svetloe. ---------------------------------------- Svetloe ends R4951 observing 291. Scans 170-2317b - 170-2326, 171-0006b -171-0026,171-0120, 171-0116b,171-0133 - 171-0139, 171-0402 - 171-0405, 171-0432a, 171-0437, 171-0447a, 171-0558 - 171-0618, 171-0629,171-0636 , 171-1022 - 171-1101b ,171-1500 - 171-1611 failed due to antenna problems. Module IAA-0031/2000/1024. Operator Shumilova. -- Best regards, operator vlbi(Svetloe). ================================ r4951wn READY ================================= 2020-06-18 18:21:57 r4951, Wettzell (wn), Ready-message Wettzell (wn) is ready for r4951 at scheduled time. First source (wn): 1546+027 at 18:30:00 UT (start data). Delta ut(ref-efos60) = 1.726 micsec. at 170.17:45 UT. System status: OK. WX/Automatic meteo report: cloud coverage of 9.8%, no rain, light breeze (2 Bft/8.64 km/h), no wind stow alert Regards, Wettzell obs. ================================ r4951wn START ================================= 2020-06-18 18:40:56 r4951, Wettzell (wn), Start-message Wettzell (wn) started r4951 at scheduled time. First source (wn): 1546+027 at 18:30:00 UT (start data). System status: OK. WX/Automatic meteo report: cloud coverage of 9.8%, no rain, light breeze (2 Bft/8.64 km/h), no wind stow alert. Regards, Wettzell obs. ================================ r4951wz READY ================================= 2020-06-18 18:22:44 r4951, Wettzell (wz), Ready-message Wettzell (wz) is ready for r4951 at scheduled time. First source (wz): 0059+581 at 18:30:00 UT (start data). Delta ut(ref-efos39) = -0.583 micsec. at 170.17:45 UT. System status: OK. WX/Automatic meteo report: cloud coverage of 9.8%, no rain, light breeze (2 Bft/8.64 km/h), no wind stow alert Regards, Wettzell obs. ================================ r4951wz START ================================= 2020-06-18 19:32:01 r4951, Wettzell (wz), Start-message Wettzell (wz) started r4951 at scheduled time. First source (wz): 0059+581 at 18:30:00 UT (start data). System status: OK. WX/Automatic meteo report: cloud coverage of 9.8%, no rain, light breeze (2 Bft/8.64 km/h), no wind stow alert Regards, Wettzell obs. ================================ r4951yg READY ================================= 2020-06-18 12:56:50 r4951 Yarragadee (Yg), ready message Session r4951 ready message for Yarragadee (Yg) ----------------------------------------------------------- First source: 1546+027 at 18:30:00 UT Formatter to GPS difference (fmout-GPS) is 9.3893 us at 170.12:55:32 UT Weather: Temperature (C):11.5 , Pressure (hPa):991.7 , Humidity (%):79.1 Additional operator comments (if any): clear Pointing results: SEFD S/X Source Az/El Offset (xEl) Offset (El) ----/---- virgoa 324.6/41.5 0.014 -0.013 Tsys (S/X): Fringe check: Source: Array: Result: Additional Comments: Additional setup notes (OK = done, NOK = not checked/done): ----------------------------------------------------------- Checklist "Before observation" Sent by mas (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=9.6966E-006) OK Time: Formatter out to GPS difference in usec (clkoff command. Enter value@day/time) (value=9.3818E-006) 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) (value=2020.170.12:49:10.20#fivpt#xoffset 324.6442 41.4679 0.01409 -0.01301 0.00359 0.00513 1 1 7u virgoa) OK Meteorology: Weather conditions ok (enter short meteorological report) (value=clear) OK System: Fringe Check Done? (Indicate if S and X-band fringes were detected) (value=none) NOK 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. ================================ r4951yg START ================================= 2020-06-18 18:41:25 r4951, Yarragadee (Yg), start message Session r4951 start message for Yarragadee (Yg) ----------------------------------------------------------- Started recording with source: 1546+027 at 1830 UT Comments: Experiment started OK Regards, mas 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. ================================= r4951yg STOP ================================= 2020-06-20 00:32:25 Yarragadee has completed r4951 Yarragadee has completed r4951 The log and procedure files from experiment r4951 have been copied to ivs.bkg.bund.de: Formatter (H-maser) leads GPS by 9.5403 microsec at 2020.171.18:26:47.03 Additional experiment notes: Recorded 1216.43 GB to module ,WD-WMAE SHAO-024 using the Mark5B+ recorder. The Module is being sent to Washington using DHL. Known problems: No Missed Scans: No Observers: Mas, Jamie, Prad, Eloise Regards, Eloise Comments from the log: 2020.170.13:00:23.05;"hey warren, are you all set up to take over observing? 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. ================================= r4951yg WIKI ================================= 2020-06-18 18:38:00 r4951 Yarragadee 12m VSN: SHAO-024 | Data volume at beginning: 0.353 GB 1830 UT Experiment started OK (mas) =================================== r4951ys =================================== 2020-06-19 07:23:04 r4951, Yebes40m, CANCELLED Dear colleagues, The 40m radiotelescope is currently inactive because of a problem in the cable box. We couldn't start the session, repair work is undergoing and we expect to be back in operation in less than a week. Best regards Javier ================================================================================