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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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Satellite Operation

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

  1. Gpredict vs Ham Radio Deluxe for Linear Transponder Tracking

    James Thomas,
    • 2 replies
    • 286 views
    Michael Thompson

  2. AO-73 Linear Transponder Temperature Drift Issues

    Steve Wilson,
    • 2 replies
    • 285 views
    Steve Wilson

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

    Michelle Lewis,
    • 1 reply
    • 93 views
    Michelle Lewis

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

    Radio Geek,
    • 2 replies
    • 330 views
    Radio Geek

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

    Ham Fan,
    • 1 reply
    • 70 views
    Robert Mitchell

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

    Jessica Moore,
    • 1 reply
    • 136 views
    Michael Miller90

  8. first time trying LEO birds with linear transponder — confused about doppler correction

    Radio Geek,
    • 1 reply
    • 91 views
    James Davis67

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

    Diana Washington,
    • 1 reply
    • 80 views
    Diana Washington

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

    James Taylor,
    • 1 reply
    • 138 views
    Radio Geek

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

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

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

    David Chen,
    • 1 reply
    • 59 views
    Sarah Mitchell94

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

    Christopher Davis,
    • 1 reply
    • 98 views
    John Anderson

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

    Carlos Mendoza,
    • 2 replies
    • 246 views
    Jessica Thomas

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

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

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

    James Rodriguez,
    • 1 reply
    • 66 views
    Sarah Chen

  19. first time trying SO-50 and i have no idea what im doing with doppler

    Steven Kumar,
    • 1 reply
    • 111 views
    Robert Miller

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

    Lisa Chang,
    • 2 replies
    • 212 views
    Lisa Chang

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

    Robert Taylor83,
    • 1 reply
    • 145 views
    Sarah Kim

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

    David Chen,
    • 1 reply
    • 62 views
    Helen Anderson

  23. first time trying LEO satellites and honestly a bit lost on the doppler thing

    David Rodriguez,
    • 1 reply
    • 73 views
    Rick Anderson

  25. first time trying LEO sats with linear transponder, what am I doing wrong

    John Anderson78,
    • 1 reply
    • 37 views
    DX Dude

  26. finally tried working AO-73 linear transponder — a few questions

    Ham Mountain,
    • 1 reply
    • 88 views
    Jeff Parker

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

    Tom Bradley,
    • 2 replies
    • 973 views
    Tom Bradley

  28. first time trying AO-73 with a yagi and nothing is making sense

    Diana Patel,
    • 1 reply
    • 96 views
    Diana Patel

  29. first time trying linear transponder sats, SO-50 vs AO-73 confusion

    Steven Clark,
    • 1 reply
    • 109 views
    Emily Rodriguez

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