2026 Session I (c261)

    Table of contents

    Correlation Status

    Project
    Code

    Block
    Code

    ALMA, GMVA
    Project IDs
    Sources DOYS UT Freq Stations Status PI Comment
    f261   -         Eb On Mh Ys      
    mk036   ?                
    c261a   -                
    mk037a   ?                
    c261b   ?                
    mk037b   ?                
    c261c   -                
    mk037c   ?                
    c261d   -                
    mk037d   ?                
    c261e   -                
    mj008b   2025.A.00017.V                
    c261f   -                

    General comments

    Instructions to stations are in INSTRUCTIONS-C261.txt. The observing mode is 512 MHz total bw in dual pol (2 x 4 Gbps) with 4 x 128 MHz x 2 pol (VLBA), 8 x 64 MHz x 2 pol (other). Coverage 42912.00-43424.00 MHz and 86102.00-86524.00 MHz, except spectral line tracks, which have shifted 86 GHz tunings.

    Media distribution

    Mark6 modules are listed in the c261 media distribution plan.

    APEX

    A priori DiFX v2d LO offsets were measured at the station for different N3AR receiver tunings. The v2d loOffsets values ought to be +24.250 Hz for FPT86G, 0 Hz for GMVA 91.2G, +8.88 Hz for GMVA 86G (cf. C251B DiFX v2d with fine-tuned +8.93 Hz) The LO offsets for Kameno MK037A/B/C/D tunings still need to be determined.

    Spectral line tracks were asked to be observed with 4 x 128 MHz rather than 8 x 64 MHz.

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