2019 Oct (c192)

    Version as of 21:41, 3 Nov 2024

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    General session information:

    block schedule

    Report, regarding the poor performace of the VLBA in this session:

    c192VLBAreport.pdf

    Storage requirements

    Stations Obs time [hrs] total volume [TB] @4Gbps Recording
    VLBA 39 36 Mark6
    Ys, On, Mk, Eb 38 +2 36 local & etransfer
    Pv 38 +2 36 Mark6
    KVN 36 32.5 local & etransfer
    GLT 45 40.5 Mark6

    assuming a duty cycle of 50%.

    Correlation Status

    Project

    Code

    Block

    Code

    Sources DOYS UT Freq Stations Status PI Comment
      F192A   276   86360 MHz Ef,On,O6,Ys,Mh,Pv,P3 done n/a fringe check
    MC004 C192A 1803+784 276-277   86360 MHz Ef, On, Ys, Mh, Pv, P3, VLBA, GLT, KVN correlation finished CUI  
    MM017A, MB011B C192B FERMI sources 277-278   86360 MHz Ef, On, Ys, Mh, Pv, P3, VLBA, GLT, KVN correlation finished MARSCHER  
    MB011B C192C Cygnus A 278-279   86360 MHz Ef, On, Ys, Mh, Pv, P3, VLBA, GLT, KVN correlation finished BACH  

    General comments

    • Ys has switched the IF configuration with c192b from using A/C to A/B. The first affected scan is no0053. The change was done due to a faulty calibration of board C which led to lower amplitudes in LCP prior to the change.