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☀ Solar
SFI 128
SN 73
A 6
K 1 Quiet
X-Ray B9.3
Wind 401.6 km/s
Aurora 2
Updated 00:00 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
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Mode
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MHz DX Spotter Info
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Ready — select a band to fetch live spots

Satellite Operation

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

  1. SatPC32 vs Gpredict for linear transponder Doppler control - seeking recommendations

    David Park,
    • 2 replies
    • 256 views
    CW Lover

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

    David Miller,
    • 2 replies
    • 191 views
    David Miller

  3. first time trying linear transponder sats and completely lost on doppler

    Michael Stevens,
    • 1 reply
    • 110 views
    Paul Jackson

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

    Ashley Brown21,
    • 1 reply
    • 84 views
    Bob Wilson

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

    John Peterson,
    • 1 reply
    • 81 views
    John Peterson

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

    DX Lover,
    • 2 replies
    • 940 views
    Amanda Wilson

  8. first time trying linear transponder sats, completely lost on doppler

    Ashley Wilson95,
    • 1 reply
    • 85 views
    David Kowalski

  9. first time trying LEO sats with linear transponder — what am i doing wrong

    Frank Williams,
    • 1 reply
    • 69 views
    Steve Wilson

  10. first time trying LEO linear transponders — what am i doing wrong

    Lisa Wang,
    • 1 reply
    • 83 views
    Jessica Wilson

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

    Robert Williams,
    • 2 replies
    • 216 views
    Ashley Brown21

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

    Mike Thompson,
    • 1 reply
    • 133 views
    Kiwi Operator

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

    Contester,
    • 1 reply
    • 98 views
    Dave Williams

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

    Repeater King,
    • 1 reply
    • 97 views
    Robert Mitchell

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

    Maria Rodriguez,
    • 1 reply
    • 115 views
    Maria Rodriguez

  17. first time trying LEO birds — what am I doing wrong with the doppler

    Mike Rodriguez,
    • 1 reply
    • 73 views
    Carol White

  19. finally tried working AO-73 with a linear transponder — few questions about doppler

    Michael Torres,
    • 1 reply
    • 56 views
    Sarah Garcia

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

    Frank Nakamura,
    • 1 reply
    • 133 views
    Anna Petrov

  21. first time trying LEO satellites and i have no idea what im doing wrong

    Rick Anderson,
    • 1 reply
    • 138 views
    Jennifer Smith

  22. first time trying LEO birds with a linear transponder — few questions

    Emily Taylor,
    • 1 reply
    • 59 views
    Radio Geek

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

    Sarah Thomas43,
    • 1 reply
    • 104 views
    Sarah Thomas43

  25. first time working AO-73 with linear transponder, some questions

    Steven Clark,
    • 1 reply
    • 124 views
    Sarah Kim

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

    Jessica Wilson66,
    • 1 reply
    • 165 views
    Tom Wilson

  27. AO-73 linear transponder — am i doing something wrong or is it just crowded

    Michael Williams,
    • 1 reply
    • 89 views
    The DXer

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

    Carlos Gutierrez,
    • 1 reply
    • 93 views
    David Davis44

  29. first time trying LEO sats with linear transponder — what am I doing wrong

    Michael Torres,
    • 1 reply
    • 68 views
    Lisa Thompson

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