GMVA 4Gbps test (4.4.2019)

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    Combined revision comparison

    Comparing version 17:43, 4 Apr 2019 by jwagner with version 18:41, 4 Apr 2019 by jwagner.

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    • Will use EHT mode: 1 x 2048 MHz dual-pol
    • Manual setup not based on vex-file
    • Tuning/IF selection based on the document supplied by Olivier.
    • Sideband: net LSB
      • Receiver : LSB
      • Mixing stages: IF1 cover 4-8 GHz x 9 GHz LO2-A (LSB); filtered IF2 cover ~2-4 GHz x 4 GHz LO3 (LSB)
      • Net sideband: RX LSB * (mix LSB)^2 = net LSB
      • Sky freq 86780.0 -- 84732.0 MHz LSB
    • Antenna #4 on pad N05
          XYZ :  4523970.486 468039.210 4460342.195
    • Maser rate +4.52e-15 over 30 past days
    • Clock offset ~12 nanosec
    • Additional details of the NOEMA VLBI setup including local testing are on NOEMA April 2019
    • Weather
      • 03.04.2019 telescopes are stowed, snowfall and snowstorm
      • 04.04.2019 bad weather in the morning until 6am but looks much better after, good chance of observing
      • 04.04.2019 12 UT weather 3-4mm PWV variable and relatively fine so f191a observation was triggered (2013+370 only, no 3C454.3 because it fell into sun avoidance)

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    Version from 17:43, 4 Apr 2019

    This revision modified by jwagner (Ban)

    ...

    Version as of 18:41, 4 Apr 2019

    This revision modified by jwagner (Ban)

    ...

    • Will use EHT mode: 1 x 2048 MHz dual-pol
    • Manual setup not based on vex-file
    • Tuning/IF selection based on the document supplied by Olivier.
    • Sideband: net LSB
      • Receiver : LSB
      • Mixing stages: IF1 cover 4-8 GHz x 9 GHz LO2-A (LSB); filtered IF2 cover ~2-4 GHz x 4 GHz LO3 (LSB)
      • Net sideband: RX LSB * (mix LSB)^2 = net LSB
      • Sky freq 86780.0 -- 84732.0 MHz LSB
    • Antenna #4 on pad N05
          XYZ :  4523970.486 468039.210 4460342.195
    • Maser rate +4.52e-15 over 30 past days
    • Clock offset ~12 nanosec
    • Additional details of the NOEMA VLBI setup including local testing are on NOEMA April 2019
    • Weather
      • 03.04.2019 telescopes are stowed, snowfall and snowstorm
      • 04.04.2019 bad weather in the morning until 6am but looks much better after, good chance of observing
      • 04.04.2019 12 UT weather 3-4mm PWV variable and relatively fine so f191a observation was triggered (2013+370 only, no 3C454.3 because it fell into sun avoidance)

    ...