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Date: February 8th 2018

*Time: 11 am Mountain, 1pm Eastern*
Phone: 434-817-6584 rm 152, Socorro

*Attending:
LBO: Ford, Perley, Ogle, Smith
USNO: Nicole, Megan, Dave, Andy, Phillip, Khalil, Alan, Chris, John, Bruce


Agenda:
  • VLBA Observations
    • Action Items From December Daily Observation Report:
      • G& H Codes:
        • H-codes: Lower p-cal amplitude in 5th & 6th channel in MK. NRAO: ACTION we could increase amplitude across the whole band. We will investigate this.
        • UPDATE: Andrew Smith covered investigation - speaking with LBO RFI expert, we are looking at RFI as the likely candidate for making Pcal amplitude look low relative to RF.
    • January Daily Observation Report
      • As expected, the MK FRM caused loss of fringes early in the month before it was identified and locked into place for S/X observations. The repair was completed by the middle of the month and the antenna is back to full observational readiness.
      • Also positive is that system notes and flags seen by the LBO staff and M&C system are consistent and carryover into USNO analysis & results as expected.
      • USNO: Had to apply a pcal adjustment at MK in February, which is abnormal. Pcal amplitude was very low, 1 X channel showed very large change in phase and all S channels showed some variation. LBO: We will look into recent runs to determine how consistent this is based on LBO data. It may imply a hardware-based cause.
    • January Post-Monthly Report Review:
      • No comments, the report is well received.
  • Open issues
    • SC Update & Fiber
      • Operational Update: The antenna electronics are being turned back on and some replacement equipment or parts have been sent. More will as issues are identified.
      • In the next few weeks LBO will send additional staff to work on the antenna. Lack of network is still an issue.
      • The repair of S/X services will be prioritized.
      • Fiber: LBO will likely switch to another provider that has higher bandwidth/gateways for use in the future. This is contingent on funding being approved soon.
      • SSD shipments should be resumed once the antenna is working.
  • Next meeting on March 8th
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Topic revision: r2 - 2018-02-08, EphraimFord
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