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☀ Solar
SFI 94
SN 49
A 7
K 0 Quiet
X-Ray B3.7
Wind 374.4 km/s
Aurora 1
Updated 19:30 UTC HamQSL · N0NBH
Day 80/40m Good 30/20m Good 17/15m Fair 12/10m Poor
Night 80/40m Good 30/20m Good 17/15m Fair 12/10m Poor

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Vanity Call Signs Available
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Live DX spots
Live DX Spots — 70cm via PSKReporter · scroll or pinch to zoom
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Satellite Operation

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

  1. first time trying AO-73 with a linear transponder, totally lost on doppler

    Jennifer Rodriguez,
    • 1 reply
    • 67 views
    Michael Wu

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

    Jessica Miller89,
    • 1 reply
    • 74 views
    David Davis

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

    Robert Moore66,
    • 1 reply
    • 58 views
    Tom Bradley

  4. Gpredict vs Ham Radio Deluxe for Linear Transponder Tracking

    James Thomas,
    • 2 replies
    • 265 views
    Michael Thompson

  5. AO-73 Linear Transponder Temperature Drift Issues

    Steve Wilson,
    • 2 replies
    • 269 views
    Steve Wilson

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

    Radio Geek,
    • 2 replies
    • 314 views
    Radio Geek

  8. first time trying LEO satellites and completely lost on the doppler thing

    Ham Fan,
    • 1 reply
    • 58 views
    Robert Mitchell

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

    Jessica Moore,
    • 1 reply
    • 118 views
    Michael Miller90

  10. first time trying LEO sats with linear transponder, tracking is driving me nuts

    Diana Washington,
    • 1 reply
    • 68 views
    Diana Washington

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

    James Taylor,
    • 1 reply
    • 130 views
    Radio Geek

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

    Michael O'Brien,
    • 2 replies
    • 299 views
    Helen Anderson

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

    David Chen,
    • 1 reply
    • 46 views
    Sarah Mitchell94

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

    Christopher Davis,
    • 1 reply
    • 89 views
    John Anderson

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

    Carlos Mendoza,
    • 2 replies
    • 225 views
    Jessica Thomas

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

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

  19. AO-73 transponder bandwidth and frequency planning - best practices?

    Lisa Chang,
    • 2 replies
    • 199 views
    Lisa Chang

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

    David Chen,
    • 1 reply
    • 50 views
    Helen Anderson

  21. Tracking Software Comparison: Gpredict vs SatPC32 vs Orbitron for LEO Operations

    Tom Bradley,
    • 2 replies
    • 914 views
    Tom Bradley

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

    David Miller,
    • 2 replies
    • 179 views
    David Miller

  23. first time trying LEO sats, SO-50 pass went okay but linear transponder stuff confuses me

    Ashley Brown21,
    • 1 reply
    • 75 views
    Bob Wilson

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

    John Peterson,
    • 1 reply
    • 71 views
    John Peterson

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

    DX Lover,
    • 2 replies
    • 931 views
    Amanda Wilson

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

    Robert Williams,
    • 2 replies
    • 201 views
    Ashley Brown21

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

    Mike Thompson,
    • 1 reply
    • 114 views
    Kiwi Operator

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

    Contester,
    • 1 reply
    • 89 views
    Dave Williams

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