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☀ Solar
SFI 125
SN 85
A 7
K 2 Quiet
X-Ray C2.1
Wind 433.1 km/s
Aurora 2
Updated 22:30 UTC HamQSL · N0NBH
Day 80/40m Fair 30/20m Good 17/15m Good 12/10m Fair
Night 80/40m Good 30/20m Good 17/15m Good 12/10m Poor

Callsign Lookup
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Vanity Call Signs Available
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ⓘ Callsign lookups are in real time via the FCC database. Vanity callsign availability is refreshed daily at 6:00 AM CST. The vanity search may be unavailable for a few minutes during this update.
Live DX spots
Live DX Spots — 70cm via PSKReporter · scroll or pinch to zoom
Band
Mode
Time
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MHz DX Spotter Info
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Satellite Operation

Discuss amateur radio satellites, portable satellite contacts, antenna tracking, passes, and successful satellite QSOs.

  1. first time trying linear transponder sats, totally lost on doppler

    Jessica Miller89,
    • 1 reply
    • 22 views
    David Davis

  2. AO-73 Linear Transponder Temperature Drift Issues

    Steve Wilson,
    • 2 replies
    • 191 views
    Jennifer Walsh

  3. Gpredict vs Ham Radio Deluxe for Linear Transponder Tracking

    James Thomas,
    • 2 replies
    • 132 views
    Michael Thompson

  4. first time trying linear transponder sat and completely lost on the doppler thing

    David Chen,
    • 1 reply
    • 22 views
    Sarah Mitchell94

  5. linear transponder on AO-73 — am i doing this completely wrong

    Christopher Davis,
    • 1 reply
    • 48 views
    John Anderson

  7. finally tried working AO-7 on linear transponder — some questions about doppler

    Jessica Moore,
    • 1 reply
    • 58 views
    Michael Miller90

  8. MO-122 Linear Transponder - Doppler correction issues with HRD

    Carlos Mendoza,
    • 2 replies
    • 158 views
    John Williams99

  9. first time trying LEO satellites and i have so many questions

    Kevin O'Brien,
    • 1 reply
    • 22 views
    Angela Washington

  10. Linear transponder frequency plan confusion - where exactly is the beacon on AO-109?

    Radio Geek,
    • 2 replies
    • 248 views
    Packet Radio

  11. Linear Transponder Doppler Correction Issues with Icom IC-9700

    Michael O'Brien,
    • 2 replies
    • 249 views
    Jennifer Liu

  13. finally tried working AO-73 with a handheld yagi, some questions about doppler

    James Taylor,
    • 1 reply
    • 105 views
    Radio Geek

  14. linear transponder on AO-73 -- am i doing this completely wrong

    David Chen,
    • 1 reply
    • 26 views
    Helen Anderson

  15. first attempt at AO-73 with linear transponder — something's off with my doppler

    Robert Taylor83,
    • 1 reply
    • 91 views
    Sarah Kim

  16. New to LEO linear transponders - need tracking software recommendations

    David Miller,
    • 2 replies
    • 133 views
    David Miller

  17. linear transponder on FO-29 — am i doing this completely wrong

    John Peterson,
    • 1 reply
    • 41 views
    John Peterson

  19. AO-73 transponder frequency drift - temperature correlation?

    DX Lover,
    • 2 replies
    • 908 views
    Amanda Wilson

  20. finally tried linear transponder sats and wow i've been missing out

    Contester,
    • 1 reply
    • 58 views
    Contester

  21. finally tried working AO-73 with the handheld but the doppler thing is killing me

    Maria Rodriguez,
    • 1 reply
    • 43 views
    Maria Rodriguez

  22. FT-847 Linear Transponder Doppler Control — Need Advice

    Robert Williams,
    • 2 replies
    • 125 views
    Ashley Brown21

  23. first time trying LEO sats with linear transponder — confused about the doppler thing

    Repeater King,
    • 1 reply
    • 63 views
    Robert Mitchell

  25. finally tried working SO-50 with a handheld, some questions

    Mike Thompson,
    • 1 reply
    • 45 views
    Carlos Mendez

  26. linear transponder sats — am i doing this completely wrong

    Frank Nakamura,
    • 1 reply
    • 61 views
    Anna Petrov

  27. finally got AO-73 working but tracking is still driving me nuts

    Sarah Thomas43,
    • 1 reply
    • 45 views
    Sarah Thomas43

  28. finally tried working AO-73 with a handheld yagi and it was... humbling

    Jessica Wilson66,
    • 1 reply
    • 113 views
    Tom Wilson

  29. first time trying linear transponder on AO-73, what am i doing wrong

    Carlos Gutierrez,
    • 1 reply
    • 36 views
    David Davis44

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