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☀ Solar
SFI 121
SN 99
A 11
K 3 Unsettled
X-Ray C2.4
Wind 432.2 km/s
Aurora 4
Updated 08:30 UTC HamQSL · N0NBH
Day 80/40m Poor 30/20m Good 17/15m Fair 12/10m Fair
Night 80/40m Fair 30/20m Good 17/15m Fair 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 —
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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. finally tried working AO-73 with a handheld yagi and it was... humbling

    Jessica Wilson66,
    • 1 reply
    • 225 views
    Tom Wilson

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

    Michael Williams,
    • 1 reply
    • 125 views
    The DXer

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

    Carlos Gutierrez,
    • 1 reply
    • 131 views
    David Davis44

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

    Michael Torres,
    • 1 reply
    • 137 views
    Lisa Thompson

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

    Frank Williams,
    • 2 replies
    • 274 views
    Sarah Johnson

  6. finally tried working SO-50 yesterday, few questions about what i was hearing

    Amanda Moore,
    • 1 reply
    • 150 views
    Amanda Moore

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

    Michael Williams,
    • 1 reply
    • 172 views
    Amanda Anderson

  8. first time trying LEO satellites and i'm totally lost on the doppler thing

    Sarah Mitchell,
    • 1 reply
    • 140 views
    Mark Johnson

  9. finally tried AO-73 with a handheld yagi, some thoughts

    Karen Johnson,
    • 1 reply
    • 191 views
    Amanda Johnson64

  11. first time trying LEO satellites and i think im doing something wrong with the doppler

    Anna Petrov,
    • 1 reply
    • 137 views
    Jennifer Williams

  12. Understanding Inverting vs Non-Inverting Linear Transponders

    Carlos Santos,
    • 2 replies
    • 262 views
    David Davis

  13. AO-91 doppler shift driving me crazy

    Rebecca Davis,
    • 1 reply
    • 205 views
    QRP Master

  14. first time trying LEO birds with a linear transponder — what am I missing

    Sarah Taylor,
    • 1 reply
    • 177 views
    Steve Anderson

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

    Karen Johnson,
    • 1 reply
    • 120 views
    Robert Moore66

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

    Bob Martinez,
    • 2 replies
    • 1.1k views
    Tower Climber

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

    Steve Wilson,
    • 1 reply
    • 84 views
    Steven Taylor

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

    Ham Fan,
    • 1 reply
    • 148 views
    John Mitchell

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

    Contester,
    • 2 replies
    • 234 views
    Kevin Anderson

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

    Jennifer Walsh,
    • 1 reply
    • 105 views
    David Rodriguez

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

    Amanda Davis,
    • 1 reply
    • 174 views
    The DXer

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

    Sarah Johnson,
    • 1 reply
    • 134 views
    Jessica Wilson

  23. first time trying linear transponder sats and im confused about the doppler correction

    Emily Rodriguez,
    • 1 reply
    • 96 views
    Emily Rodriguez

  24. first time trying LEO sats with a linear transponder — confused about doppler tuning

    Rebecca Turner,
    • 1 reply
    • 98 views
    Rebecca Turner

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

    Jessica Wilson,
    • 1 reply
    • 126 views
    Jessica Wilson

  26. Recommendation needed: Best tracking software for multiple linear satellites in 2025

    Mike Rodriguez,
    • 2 replies
    • 688 views
    Mike Rodriguez

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