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RECEIVER /DEROTATOR

    /DEROTATOR angle system

    Specify derotator angle for HERA

    Real      :: angle             ! in units [deg] (!)
    Character :: system            !

    Choices for system:
    "Nasmyth"
    "horizon"
    "equatorial"
    "frame"                        ! same as Nasmyth
    "sky"                          ! same as equatorial

    NOTES: The last 2 are for consistency with old control system and HERA conve
    This option works only for RECEIVER HERA1 or RECEIVER HERA2 (of course it's
    same angle for HERA1 and HERA2).


Gildas manager 2023-06-01