==================================== r1997 ===================================== Ht : Power glitch (07:18). Ns : Clock jump around 13:21 and back 13:58. Nt : Antenna probably stuck (20:38-22:21). Ny : Observed with warm receiver. No problems found for : Kv, Ma, On, Wn, Wz, Yg, Zc ================================ r1997ht READY ================================= 2021-05-03 13:33:19 r1997, Hart15M, Ready-message Session r1997 ready message for Hart15M. ---------------------------------------- Comments: Hart15M is ready to start R1997. All systems are nominal. Session is being operated remotely. First source: 0814+425 at 17:00:00 UT FMOUT-GPS: 3.4385 microseconds Wx: Temperature (C): 20.6 Pressure (mBar): 867.4 Humidity (%): 47.2 Sky Conditions: Clear skies Cable difference is: na Pointing values: na Tsys (x1/s/x2): 42.1/57.5/53.2 ================================ r1997ht START ================================= 2021-05-03 17:00:00 r1997, Hart15M, Autostart-message Session r1997 auto-start message for Hart15M. --------------------------------------------- Started recording with source: 0814+425 at 123.17:00:00 UT ================================= r1997ht STOP ================================= 2021-05-04 17:00:11 r1997, Hart15M, Stop-message Session r1997 stop message for Hart15M. --------------------------------------- Comments: Hart15M has completed R1997. One scan impacted by a short power interruption. Weather was clear to mostly clear throughout. Data will be e-shipped to Bonn. Problem scans: Source Scan start Explanation of problem 2113+293 124-0717b Not tracking for about 1 minuted of scan Disk Inventory: A 0, B 2, C 0, D 1, E 1, F 0, G 2, H 0, (other larger) 4 Observation finished at: 16:59:43 UT ================================ r1997kv START ================================= 2021-05-04 00:14:17 R1997, Sejong, Start-message Session R1997 start-message for Sejong(Kv) Started recording with source 0814+425 at 123/17:00:00 (UT) FMOUT-GPS: -32.8 usec Wx: Temperature (C) 15.8 Pressure (hPa) 992.6 Humidity (%) 64.3 ================================= r1997kv STOP ================================= 2021-05-06 00:14:13 R1997, Sejong, Stop-message Sejong finished R1997. All scans are recorded. FMOUT-GPS: -32.8 usec ================================ r1997ma START ================================= 2021-05-03 17:04:32 r1997, MATERA, Start-message Session r1997 start message for MATERA. --------------------------------------- Started recording with source: 0814+425 at: 17:00:00 UT ================================= r1997ma STOP ================================= 2021-05-04 17:09:18 r1997, MATERA, Stop-message Session r1997 stop message for MATERA. -------------------------------------- Comments: 0 Problem scans: Source Scan start Explanation of problem 0 0 0 Disk Inventory: A 0, B 0, C 0, D 0, E 0, F 0, G 0, H 0, (other larger) 4 Observation finished at: 16:59:55 UT ================================ r1997ns READY ================================= 2021-05-03 16:27:46 r1997, Ny-Alesund 13m NS, Ready-message Session r1997 ready message for Ny-Alesund 13m NS. -------------------------------------------------- Comments: Ns observing as tagalong First source: 0814+425 at 17:00:00 UT FMOUT-GPS: 20.869 microseconds Wx: Temperature (C): -3.9 Pressure (mBar): 1026.5 Humidity (%): 75 Sky Conditions: Cloudy Cable difference is: na Pointing values: na Tsys values: na ================================ r1997ns START ================================= 2021-05-03 17:00:10 r1997, Ny-Alesund 13m NS, Autostart-message Session r1997 auto-start message for Ny-Alesund 13m NS. ------------------------------------------------------- Started recording with source: 0814+425 at 123.17:00:00 UT ================================= r1997ns STOP ================================= 2021-05-04 17:28:36 r1997, Ny-Alesund 13m NS, Stop-message Session r1997 stop message for Ny-Alesund 13m NS. ------------------------------------------------- Comments: Ns observed as tag-along. No phasecal available. 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 ================================= r1997ns STOP ================================= 2021-05-06 06:50:25 Re: r1997, Ny-Alesund 13m NS, Stop-message Hi, We have detected a minor clock jump during R1997-Ns for the maser around 13UT-14UT. Cheers, /Susana ________________________________ From: NYALE13S VLBI Operator Sent: Tuesday, May 4, 2021 7:28 PM To: ivs-ops@lists.nasa.gov Cc: vlbi Subject: r1997, Ny-Alesund 13m NS, Stop-message Session r1997 stop message for Ny-Alesund 13m NS. ------------------------------------------------- Comments: Ns observed as tag-along. No phasecal available. 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 ================================ r1997nt READY ================================= 2021-05-03 16:19:59 R1997, Noto, Ready-message Session R1997 ready message for Noto. ------------------------------------- Comments: no First source: 0814+425 at 17:00 UT FMOUT-GPS: -3.954 microseconds Wx: Temperature (C): 21 Pressure (mBar): 1017 Humidity (%): 47 Sky Conditions: covered sky 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 1120/1250 3c84 291/63 0.009 0.003 Tsys (x1/s/x2): 82/90/75schedule ================================ r1997nt START ================================= 2021-05-03 17:00:04 r1997, Noto, Autostart-message Session r1997 auto-start message for Noto. ------------------------------------------ Started recording with source: 0814+425 at 123.17:00:04 UT ================================= r1997nt STOP ================================= 2021-05-04 17:02:15 r1997, Noto, Stop-message Session r1997 stop message for Noto. ------------------------------------ Problem scans: Source Scan start Explanation of problem 0434+188 16:58:02 nono Disk Inventory: A 0, B 0, C 0, D 0, E 0, F 0, G 0, H 0, (other larger) 0 Observation finished at: 16:59:55 UT ================================ r1997ny READY ================================= 2021-05-03 16:37:49 r1997, Ny-Alesund, Ready-message Session r1997 ready message for Ny-Alesund. ------------------------------------------- Comments: Warm receiver First source: 0814+425 at 17:00:00 UT GPS-FMOUT: 160.57 microseconds Wx: Temperature (C): -3.0 Pressure (mBar): 1021.1 Humidity (%): 73.1 Sky Conditions: Cloudy Cable difference is: longer cable makes the reading larger by 656.2 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 2731/2816 cygnusa 356/29 -0.0018 0.0425 2878/2568 casa 318/51 0.0035 0.0367 3389/2763 taurusa 219/30 -0.0089 0.0534 Tsys (x1/s/x2): 187/82/147 ================================ r1997ny START ================================= 2021-05-03 17:00:00 r1997, Ny-Alesund, Autostart-message Session r1997 auto-start message for Ny-Alesund. ------------------------------------------------ Started recording with source: 0814+425 at 123.17:00:00 UT ================================= r1997ny STOP ================================= 2021-05-04 17:30:57 r1997, Ny-Alesund, Stop-message Session r1997 stop message for Ny-Alesund. ------------------------------------------ Comments: Warm receiver 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 ================================ r1997on READY ================================= 2021-05-03 15:15:28 r1997, ONSALA60, ready message ONSALA60 is ready for r1997. No known issues. Weather: 2021.123.14:39:15.71/wx/9.9,1009.4,53.1,5.1,270.2 Timing: 2021.123.14:39:17.18/gps-fmout/+5.83823406855716E-005 First source: 2021.123.14:39:20.18/source/0814+425,081816.000,422245.40,2000.0000,neutral,081941.383,421856.32,2021.3370 ================================ r1997on START ================================= 2021-05-03 18:55:06 r1997, ONSALA60, start message ONSALA60 started r1997 as planned at 17UT. No known issues. ================================ r1997wn START ================================= 2021-05-03 17:59:31 FW: Start-message R1997 (Wz + Wn) From: Gerhard.Kronschnabl@bkg.bund.de Sent: Monday, May 3, 2021 1:51 PM To: ivs-ops-bounces@lists.nasa.gov Subject: Start-message R1997 (Wz + Wn) Hallo, Wettzell (Wz and Wn) has started R1997 as scheduled. The systems are working well. No failures up to now. Both Cryo-systems are working as well. Pointing at both antennas was o.k.; Weather: cloudy, dry. But sometimes windy. Wettzell Observer ================================ r1997wz START ================================= 2021-05-03 17:59:31 FW: Start-message R1997 (Wz + Wn) From: Gerhard.Kronschnabl@bkg.bund.de Sent: Monday, May 3, 2021 1:51 PM To: ivs-ops-bounces@lists.nasa.gov Subject: Start-message R1997 (Wz + Wn) Hallo, Wettzell (Wz and Wn) has started R1997 as scheduled. The systems are working well. No failures up to now. Both Cryo-systems are working as well. Pointing at both antennas was o.k.; Weather: cloudy, dry. But sometimes windy. Wettzell Observer ================================ r1997yg READY ================================= 2021-05-03 14:25:22 r1997 Yarragadee (Yg), ready message Session r1997 ready message for Yarragadee (Yg) ----------------------------------------------------------- First source: 1424-418 at 17:02:17 UT Formatter to GPS difference (fmout-GPS) is 8.4083 us at 123.14:24:14 UT Weather: Temperature (C): , Pressure (hPa): , Humidity (%): Additional operator comments (if any): 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 jasper (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) NOK 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=8.7131E-6 @ 123:14:12) OK Time: Formatter out to GPS difference in usec (clkoff command. Enter value@day/time) (value=8.0428-6 @ 123:14:13) 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) NOK Meteorology: Weather conditions ok (enter short meteorological report) NOK System: Fringe Check Done? (Indicate if S and X-band fringes were detected) NOK Skype chat with other stations started NOK 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. ================================ r1997yg START ================================= 2021-05-03 17:11:29 r1997, Yarragadee (Yg), start message Session r1997 start message for Yarragadee (Yg) ----------------------------------------------------------- Started recording with source: 1255-316 at 123.17:08:00 UT Comments: Experiment started fine. Regards, jasper 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. ================================= r1997yg STOP ================================= 2021-05-05 23:38:43 Yarragadee has completed r1997 Yarragadee has completed r1997 The log and procedure files from experiment r1997 have been copied to ivs.bkg.bund.de: Formatter (H-maser) leads GPS by 8.6123 microsec at 2021.124.16:38:26.22 Additional experiment notes: Recorded -.35 GB to module IAA-0040 using the Mark5B+ recorder. The Module is being sent to BONN using eTransfer. Known problems: No Missed Scans: No Observers: Jasper,Warren,Simin,Pradyumna Regards, Pradyumna 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. ================================ r1997zc READY ================================= 2021-05-03 16:54:03 r1997 Zelenchukskaya Ready message Session r1997 ready message for Zelenchukskaya. First source: 0814+425 at 17:00:00 UT. GPS-FMOUT: 1.732 microseconds. GPS-MASER: 1.533 microseconds. Wx: Temperature (C): 19, Pressure (mBar): 882, Humidit (%): 56. Sky Conditions: cloudy. Cable difference: - Pointing values: SEFD: (x/s) Source Az/El Offset1 Offset2 273/- 3c147 297/58 -0.00536 0.00066 Tsys(x/s): 70/110. Azeloff(az/el): 0m,0m. Operator: Kiselev P. ================================ r1997zc START ================================= 2021-05-03 17:00:46 r1997 Zelenchukskaya Start message Session r1997 start message for Zelenchukskaya. Experement started 17:00:00, no problems. First source: 0814+425 at 17:00:00 UT. Operator: Kiselev P. ================================= r1997zc STOP ================================= 2021-05-04 17:04:10 r1997 Zelenchukskaya Stop message Session r1997 stop message for Zelenchukskaya. Zelenchukskaya ends r1997 at 16:59:43, observing 429. Session r1997 were recorded on module IAAC+011. Operator: Dzyuba N . ================================================================================