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☀ Solar
SFI 125
SN 85
A 7
K 2 Quiet
X-Ray C1.9
Wind 445.8 km/s
Aurora 2
Updated 00:30 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
Recent spots —
Select a band above to load spots
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. first time trying LEO birds with a linear transponder — few questions

    Emily Taylor,
    • 1 reply
    • 30 views
    Radio Geek

  2. IC-9700 CAT control issues with linear satellite transponders?

    Frank Williams,
    • 2 replies
    • 184 views
    Sarah Johnson

  3. AO-91 doppler shift driving me crazy

    Rebecca Davis,
    • 1 reply
    • 108 views
    QRP Master

  4. first time trying LEO birds and completely lost on the doppler thing

    Karen Johnson,
    • 1 reply
    • 37 views
    Robert Moore66

  5. finally tried working AO-73 with linear transponder, few questions

    Michael Williams,
    • 1 reply
    • 79 views
    Amanda Anderson

  7. Full duplex rig with dual VFO for linear transponders - worth the investment?

    Bob Martinez,
    • 2 replies
    • 971 views
    Tower Climber

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

    Steve Wilson,
    • 1 reply
    • 28 views
    Steven Taylor

  9. finally tried AO-73 with a handheld yagi, not what i expected

    Ham Fan,
    • 1 reply
    • 48 views
    John Mitchell

  10. Understanding Linear Transponder Power Management - Why Less is More

    Contester,
    • 2 replies
    • 125 views
    Kevin Anderson

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

    Amanda Davis,
    • 1 reply
    • 105 views
    The DXer

  13. finally tried working AO-73 with linear transponder — some questions

    Jessica Wilson,
    • 1 reply
    • 23 views
    Lisa Chang

  14. AO-91 transponder seems way off frequency today

    Susan Clark,
    • 1 reply
    • 136 views
    Michael Miller90

  15. Linear transponder frequency mapping confusion - need help understanding AO-73

    Robert Kowalski,
    • 2 replies
    • 129 views
    QRP Master

  16. first time trying AO-73 with a linear transponder — way harder than i expected

    Amanda Garcia,
    • 1 reply
    • 36 views
    Michael O'Brien

  17. first time trying LEO satellites — doppler is killing me

    Rachel Martinez,
    • 1 reply
    • 58 views
    Daniel Patel

  19. first time trying linear transponder on AO-73, totally lost on doppler

    Kevin Park,
    • 1 reply
    • 22 views
    John Anderson78

  20. first time trying LEO sats with a linear transponder — kind of lost on the doppler thing

    Mountain Ham,
    • 1 reply
    • 1 view
    David Wilson59

  21. first time trying LEO sats with linear transponder — confused about doppler

    Diploe Dan,
    • 1 reply
    • 5 views
    Carlos Gutierrez

  22. finally tried working AO-73 with linear transponder — some questions

    Jessica Davis21,
    • 1 reply
    • 7 views
    Angela Washington

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

    Jennifer Rodriguez,
    • 1 reply
    • 8 views
    Brazil Ham

  25. finally tried working AO-73 with linear transponder — some questions

    Ashley Brown21,
    • 1 reply
    • 13 views
    James Brown39

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

    Robert Moore66,
    • 1 reply
    • 13 views
    Michael Miller90

  27. linear transponder on FO-29 vs AO-73 — which one are you actually using these days

    Tom Bradley,
    • 1 reply
    • 75 views
    James Thomas

  28. first time trying linear transponder sat pass — way harder than i expected

    Michelle Lewis,
    • 1 reply
    • 20 views
    Sarah Rodriguez

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

    Diana Washington,
    • 1 reply
    • 32 views
    Diana Washington

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