FM Satellite Antenna Details

Discussion in 'Satellite and Space Communications' started by N7AY, Sep 15, 2021.

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  1. N7AY

    N7AY Premium Subscriber QRZ Page

    For the FM birds (SO-50, AO-91, ARISS, CAS-3H, PO-101, AO-27) where would one find details of the antennas used on each (types, polarization, tumbling, etc)?
     
  2. KB1PVH

    KB1PVH Ham Member QRZ Page


    See if this helps you out.

    https://www.amsat.org/two-way-satellites/
     
  3. K6LCS

    K6LCS Premium Subscriber QRZ Page

    If you would like to get in to the world of high gain, portable antennas - EASY and inexpensive to build ones! - there are plans for several on the ANTENNAS page at work-sat.com - including ...

    -Alex Diaz' Homebrew Yagis
    -Got an Old Umbrella?
    -WB2HOL's Tape Measure
    -WB2HOL's Tape Measure Kits!
    -W6NBC's 2M/70CM Tape Measure Beam (from the 01/2012 issue of QST (pdf)

    -Doug Cook KD5PDN wrote two great articles on working the ISS: One article
    using a tape measure beam, the other using an antenna made out of barbed wire!
     
  4. K3RLD

    K3RLD Ham Member QRZ Page

    Not what he asked.

    For the OP, unfortunately, you'll probably have to do a bunch of digging. Amsat.org, as listed above, is a good source. You can also try Gunter's Space Page, Satnogs, and wikipedia.

    [edit] KS1G (a frequent poster here) was involved with AO-27 development, so he can probably give you some good info on that one.
     
    AK5B, KS1G, WD9EWK and 2 others like this.
  5. KS1G

    KS1G Ham Member QRZ Page

    AO-27 has a whip on the +Z face for the VHF receive antenna, and a 1/4 wave whip (I forget if it's on the -Z face) for UHF downlink. The circular polarization turnstile array on the -Z face was for the original commercial payload and can't be used by the amateur repeater.

    There are photos from the 2019 AMSAT Symposium and likely on one of the ARISS sites of the ARISS antenna- basically a 1/4 wave whip with 2 (?) small ground plane elements, mounted on one of the Earth-facing lab modules.
     
    K3RLD likes this.

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