==================================== r4851 ===================================== Ft : Observed with warm receiver but sheduled as warm. Ke : FS (9.11.7) hung after complaining about a disk2file command. Rebooted (06:39-06:47). Ny : Observed with warm receiver. Wn : Wrong LO setup (18:30-18:47). Wz : Missed first source. Ys : FMOUT-GPS jumped by 0.5 usec between 13:24 and 13:34. No problems found for : Ht, Kk, Yg ================================ r4851ft READY ================================= 2018-07-19 17:45:00 R4851, Fortaleza, Ready-message Session R4851 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: 1057-797 at 200 - 18:30:00 UT. FMOUT-GPS: 0.642 microseconds. Sky Conditions: Clear. Cable difference is: longer cable makes the reading larger by 105.4 microseconds and is nominal. Pointing values: SEFD (X/S) Source Az/El Offset1 Offset2 / Taurus-A 322/57 0.018 -0.018 -- FORTALEZA VLBI TEAM. ================================ r4851ft START ================================= 2018-07-19 19:32:26 R4851, Fortaleza, start-message Session R4851 start message for Fortaleza. -------------------------------------------- Started recording with source: 1057-797 at 200 - 18:30:00 UT as scheduled. -- FORTALEZA VLBI TEAM. ================================= r4851ft STOP ================================= 2018-07-20 18:40:37 R4851, Fortaleza, Stop-message Fortaleza finished R4851 session at scheduled time. End of schedule: 201 - 18:27:03 UT Comments: All scans recorded. Receiver is warm. Data will be to Washington by Fedex. Disk Inventory Size D/2000GB = 03 Size G/4000GB = 02 Size H/6000GB = 01 Size J/8000GB = 06 Other Size (1000GB) = 01 Last update: JUL/2018. ================================ r4851ht READY ================================= 2018-07-19 18:11:34 r4851, Hart15M, Ready-message Session r4851 ready message for Hart15M. ---------------------------------------- Comments: Hart15M is ready to start R4851 First source: 1057-797 at 18:30:00 UT FMOUT-GPS: 13.6030 microseconds Wx: Temperature (C): 6.0 Pressure (mBar): 874.3 Humidity (%): 59.52 Sky Conditions: Clear skies Cable difference is: na Pointing values: na Tsys (x1/s/x2): 32.5/43.1/39.7 ================================ r4851ht START ================================= 2018-07-19 18:30:00 r4851, Hart15M, Autostart-message Session r4851 auto-start message for Hart15M. --------------------------------------------- Started recording with source: 1057-797 at 200.18:30:00 UT ================================= r4851ht STOP ================================= 2018-07-20 18:28:18 r4851, Hart15M, Stop-message Session r4851 stop message for Hart15M. --------------------------------------- Comments: Hart15M has completed R4851 All scans recorded Weather conditions: clearskies at start and midway through and parly cloudy/hazy at end Data will be e-shipped to Washington Disk Inventory: A 0, B 0, C 0, D 0, E 0, F 0, G 3, H 0, (other larger) 3 Observation finished at: 18:27:03 UT ================================= r4851ke WIKI ================================= 2018-07-20 06:54:00 r4851 Katherine 12m Disk VSN: MPI-0153/2000| Data volume at the beginning: 0.0 GB 18:30 UT - Experiment started ok. 06:45 UT - FS has apparently “hung” after complaining about a disk2file command. No response to commands including “flush” “ti” “list” etc. Rebooting. (JMc) Scans missed 201-0639b, 201-0646 (JMc) ================================ r4851kk READY ================================= 2018-07-19 19:33:30 r4851, Kokee Park, Ready-message Session r4851 ready message for Kokee Park. ------------------------------------------- Comments: Cable cal and pointing check done prior for experiment i18200. First source: 0059+581 at 200/1934:48 UT FMOUT-GPS: +7.39 microseconds Wx: Temperature (C): 20.0 Pressure (mBar): 890 Humidity (%): 86.5 Sky Conditions: partly cloudy Cable difference is: longer cable makes the reading smaller by 50.6 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 1620/624 casa 329/38 0.008 0.015 1526/670 taurusa 82/52 -0.001 0.010 Tsys (x1/s/x2): 67/35/39 ================================ r4851kk START ================================= 2018-07-19 19:34:48 r4851, Kokee Park, Autostart-message Session r4851 auto-start message for Kokee Park. ------------------------------------------------ Started recording with source: 0059+581 at 200.19:34:48 UT ================================= r4851kk STOP ================================= 2018-07-20 18:31:45 r4851, Kokee Park, Stop-message Session r4851 stop message for Kokee Park. ------------------------------------------ Comments: Diskpack IAA-0033 will be sent out via fedex AWB# 7727 1560 5395. Problem scans: Source Scan start Explanation of problem 1133-032 200/2101:37 RFI on IFB 1846-322 201/0342:27 RFI on IFB Disk Inventory: A 0, B 0, C 0, D 10, E 6, F 1, G 0, H 1, (other larger) 2 Observation finished at: 201/1829:18 UT ================================ r4851ny READY ================================= 2018-07-19 17:51:09 r4851, Ny-Alesund, Ready-message Session r4851 ready message for Ny-Alesund. ------------------------------------------- Comments: Warm receiver. First source: 3C418 at 18:30 UT GPS-FMOUT: 170.33 microseconds Wx: Temperature (C): 7 Pressure (mBar): 999.9 Humidity (%): 87.7 Sky Conditions: Overcast with rain and wind Cable difference is: longer cable makes the reading larger by 685.9 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 6388/2446 cygnusa 84/40 -0.0113 0.0241 7199/2607 casa 34/50 -0.0113 0.0037 Tsys (IFA/IFB/IFC): 166/392/86 ================================ r4851ny START ================================= 2018-07-19 18:30:00 r4851, Ny-Alesund, Autostart-message Session r4851 auto-start message for Ny-Alesund. ------------------------------------------------ Started recording with source: 3c418 at 200.18:30:00 UT ================================= r4851ny STOP ================================= 2018-07-20 18:31:31 r4851, Ny-Alesund, Stop-message Session r4851 stop message for Ny-Alesund. ------------------------------------------ Comments: Warm receiver Disk Inventory: A 0, B 0, C 0, D 10, E 0, F 0, G 0, H 0, (other larger) 10 Observation finished at: 18:28:55 UT ================================ r4851wn START ================================= 2018-07-19 19:12:39 r4851, Wettzell (wn), Start-message Wettzell (wn) has startet for r4851 at scheduled time, but I used a wrong LO-setup and lost therefore the first 15 minutes. The first valid scan started at 18:48 UT! Delta ut(ref-efos18) = 2.1 micsec. at 200.16:45 UT. Delta ut(ref-tac2)   = 0.915 micsec. at 200.16:45 UT. System status: OK. WX/sunny. Regards, Wettzell obs. ================================= r4851wn STOP ================================= 2018-07-20 18:47:26 r4851, Wettzell (wn), Stop-message The first valid scan started at 200/18:48 UT! From there on all scans was recorded. No technical problems remarked. Delta ut(ref-efos18) = 2.1 micsec. at 201.16:45 UT. Delta ut(ref-tac2)   = 0.916 micsec. at 201.16:45 UT. System status: OK. WX/sunny. Regards, Wettzell obs. ================================ r4851wz START ================================= 2018-07-19 19:43:22 r4851, Wettzell (wz), Start-message Wettzell (wn) has startet for r4851 at scheduled time, but one source too late. The first valid scan started at 19:40 UT! Delta ut(ref-efos18) = 4.014 micsec. at 200.16:45 UT. Delta ut(ref-tac2)   = 0.915 micsec. at 200.16:45 UT. System status: OK. WX/sunny. Regards, Wettzell obs. ================================= r4851wz STOP ================================= 2018-07-20 18:48:54 r4851, Wettzell (wz), Stop-message Wettzell (wz) has lost the first scan. All other scans was fine. Delta ut(ref-efos18) = 4.014 micsec. at 201.16:45 UT. Delta ut(ref-tac2)   = 0.916 micsec. at 201.16:45 UT. System status: OK. WX/sunny. Regards, Wettzell obs. ================================= r4851yg WIKI ================================= 2018-07-20 06:54:00 r4851 Yarragadee 12m Disk VSN: NRAO-175/2400| Data volume at the beginning: 0.0 GB 18:30 UT - Experiment started ok. ================================ r4851ys READY ================================= 2018-07-19 18:10:13 r4851, Yebes40m, Ready-message Session r4851 ready message for Yebes40m. ----------------------------------------- First source: 3c418 at 18:30:00 UT GPS-FMOUT: 9.09 microseconds Wx: Temperature (C): 29.7 Pressure (mBar): 910.8 Humidity (%): 14 Sky Conditions: Clear Sky Cable difference is: longer cable makes the reading larger by 689.9 microseconds and is nominal Pointing values: SEFD X/S Source Az/El Offset1 Offset2 225.02/836.06 3c274 203.0/60.0 0 0 Tsys (x1/s/x2): 57.63/423.06/51.27 ================================ r4851ys START ================================= 2018-07-19 18:31:33 r4851, Yebes40m, Start-message Session r4851 start message for Yebes40m. ----------------------------------------- Started recording with source: 3c418 at: 18:30:00 UT ================================= r4851ys STOP ================================= 2018-07-20 18:29:53 r4851, Yebes40m, Stop-message Session r4851 stop message for Yebes40m. ---------------------------------------- Problem scans: Source Scan start Explanation of problem 0 0 0 Disk Inventory: A 0, B 0, C 1, D 2, E 0, F 0, G 3, H 0, (other larger) 1 Observation finished at: 18:29:18 UT ================================================================================