TOG St.Petersburg

    Table of contents

    Version as of 13:19, 13 May 2024

    to this version.

    Return to Version archive.

    View current version

    Points from the meeting

    1. Welcome
    2. Agenda accepted
    3. Minutes accepted
    4. AIs... (see paper)
    5. Permanent action items (reminder)
    6. Reliability and Perfomrance (Jay) (see presenetation)
      • Triangular bandpasses for some subb. e.g. Noto (DDC 16 MHz); Could there be a DDC problem?
      • N16M1 Eff no LCP; IF5R always low amp
      • low power (ca. 1/2) often for some stations (state counts fine though)
      • need feedback related to potential backend problems
      • correlate DBBC software/firmware versions in the logs against problems found (put in soon by FS?)
    7. Amplitude calibration
      • Jb bad as usual, worse than before,
      • Sh Problem
      • Good long term plots showed
      • POSTOB mechanism still possible?
    8. DBBC2
      • Gino's presentation
      • V16 needs latest test version of FS
      • Problem of 15_2 not seen
    9. Recorders
      • VDIF fits better with Ethernet output of FiLA10G
      • New features of new test version of JIVE5ab (see presentation);
        • multiple FiLA streams now possible local recording only, bookkeeping per sender,
        • tunig for very high data rate needed. see docu on web
        • scan_check: problem because of no sync word, no wall clock, degenerate bit-rate - threads, sync word of VLBA would help a little, use extended header to solve the problem?
      •