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☀ Solar
SFI 128
SN 73
A 6
K 1 Quiet
X-Ray B9.3
Wind 433.7 km/s
Aurora 2
Updated 23:30 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
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SDR Software & Tools

Explore SDR software, waterfall displays, decoding tools, spectrum analysis, and computer-based radio operation.

  1. RTL-SDR v3 vs SDRplay RSP1C — worth the price jump for HF?

    Nordic Ham,
    • 1 reply
    • 30 views
    David Davis41

  2. SDRplay RSP1B vs HackRF for general monitoring — worth the price difference?

    Carol White,
    • 1 reply
    • 41 views
    Ashley Johnson

  3. SDRplay RSP1A vs just using a cheap RTL-SDR dongle — is it actually worth the price jump

    Mike Thompson,
    • 1 reply
    • 35 views
    Mike Johnson

  4. RTL-SDR v3 vs SDRplay RSP1C — worth the price difference for HF?

    Mark Taylor,
    • 1 reply
    • 35 views
    Sarah Collins

  5. SDRplay RSP1A vs just sticking with RTL-SDR for general listening

    Jessica Williams53,
    • 1 reply
    • 35 views
    Rebecca Turner

  7. SDRplay RSP1B vs just using an RTL-SDR for HF — is the difference actually worth it

    Amanda Williams,
    • 1 reply
    • 38 views
    Sarah Wilson13

  8. SDRplay RSP1B vs just using a cheap RTL-SDR v4 for HF — is it actually worth it

    Michelle Lewis,
    • 1 reply
    • 55 views
    Michael Brown79

  9. SDRplay RSP1B vs just sticking with RTL-SDR for HF monitoring

    Diana Foster,
    • 1 reply
    • 58 views
    Carlos Mendez

  10. SDRplay RSP1A vs just sticking with RTL-SDR for general monitoring

    Michael Miller,
    • 1 reply
    • 60 views
    Linda Thompson

  11. RTL-SDR vs SDRplay for general HF listening — worth the price jump?

    Lisa Chen,
    • 1 reply
    • 56 views
    James Davis67

  13. RTL-SDR vs SDRplay for general scanning/ham use — worth the price jump?

    Ashley Brown21,
    • 1 reply
    • 76 views
    Amanda Moore

  14. SDRplay RSP1A vs just grabbing a HackRF — worth the price difference?

    David Davis44,
    • 1 reply
    • 86 views
    Sarah Moore

  15. SDRplay RSP1B vs just sticking with RTL-SDR for general monitoring

    Kenneth Davis,
    • 1 reply
    • 101 views
    Kenneth Davis

  16. SDRplay vs HackRF for general monitoring — worth the price difference?

    Ashley Wilson81,
    • 1 reply
    • 66 views
    Sarah Garcia

  17. SDRplay RSP1A vs just sticking with RTL-SDR for HF monitoring

    Kevin O'Brien,
    • 1 reply
    • 65 views
    Jessica Davis21

  19. RTL-SDR vs SDRplay for general HF listening — worth the price difference?

    Amanda Jackson,
    • 1 reply
    • 67 views
    Jessica Williams

  20. SDRplay RSP1A vs just sticking with RTL-SDR for general monitoring

    Steven Patel,
    • 1 reply
    • 71 views
    Radio Geek

  21. SDRplay RSP1B vs HackRF for general monitoring — worth the price diff?

    Steven Wright,
    • 1 reply
    • 74 views
    Michelle Parker

  22. SDRplay RSP1A vs HackRF for general HF monitoring — worth the price difference?

    Jessica Wilson66,
    • 1 reply
    • 113 views
    Nicole Jackson

  23. RTL-SDR vs SDRplay for general HF monitoring — worth the price difference?

    Melissa Baker,
    • 1 reply
    • 126 views
    Melissa Baker

  25. RTL-SDR vs SDRplay for general scanning/ham use — worth the price difference?

    Ashley Anderson,
    • 1 reply
    • 169 views
    Michael Moore99

  26. RTL-SDR v4 DC spike and offset issues with GQRX

    Frank Nakamura,
    • 2 replies
    • 168 views
    Amanda Williams49

  27. SDRplay RSP1A vs just using an RTL-SDR dongle — is it actually worth it

    Rebecca Davis,
    • 1 reply
    • 111 views
    Robert Kim

  28. SDRplay RSPdx vs HackRF for general monitoring / is the price diff worth it

    Repeater King,
    • 1 reply
    • 99 views
    Kevin Brown

  29. SDRplay RSP1A vs just using a cheap RTL-SDR dongle — worth the upgrade?

    Emily Rodriguez,
    • 1 reply
    • 161 views
    Sarah Thompson

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