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☀ Solar
SFI 121
SN 93
A 11
K 2 Quiet
X-Ray B8.3
Wind 432.7 km/s
Aurora 3
Updated 06:30 UTC HamQSL · N0NBH
Day 80/40m Fair 30/20m Good 17/15m Fair 12/10m Fair
Night 80/40m Good 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
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Ready — select a band to fetch live spots

SDR Software & Tools

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

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

    Rebecca Davis,
    • 1 reply
    • 176 views
    Robert Kim

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

    Repeater King,
    • 1 reply
    • 153 views
    Kevin Brown

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

    Emily Rodriguez,
    • 1 reply
    • 235 views
    Sarah Thompson

  4. GNU Radio 3.10 with HackRF One - Firmware Update Causing TX Issues

    Sarah Wilson13,
    • 2 replies
    • 315 views
    Sarah Wilson13

  5. SDR++ vs GQRX Performance Comparison on Multi-Core Systems

    Sarah Thomas43,
    • 2 replies
    • 373 views
    Sarah Wilson93

  6. SDRplay RSP1A Driver Issues with Latest GNU Radio 3.10

    Carlos Mendez,
    • 2 replies
    • 952 views
    HF Hunter

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

    Robert Taylor,
    • 1 reply
    • 150 views
    David Thompson

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

    Michael Johnson,
    • 1 reply
    • 183 views
    Michael Johnson

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

    John Martinez,
    • 1 reply
    • 133 views
    Emily Thomas17

  11. SDRplay RSP1A vs just sticking with RTL-SDR for HF — worth the upgrade?

    Carlos Mendez,
    • 1 reply
    • 286 views
    Robert Martinez

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

    Jessica Miller,
    • 1 reply
    • 136 views
    Jessica Miller

  13. HackRF vs SDRplay RSP1A on VHF/UHF - Reality Check Needed

    Jessica Davis21,
    • 2 replies
    • 270 views
    Bob Wilson

  14. SDRplay RSP1A vs just using an RTL-SDR for general HF monitoring — worth the price diff?

    Jessica Davis,
    • 1 reply
    • 201 views
    Emily Miller

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

    Emily Moore,
    • 1 reply
    • 200 views
    Emily Moore

  16. SDRplay RSPdx vs RTL-SDR Blog v4 for EME moon bounce reception

    Mike Rodriguez,
    • 2 replies
    • 460 views
    Radio Geek

  17. SDRplay RSP1B vs just sticking with RTL-SDR for HF — worth the upgrade?

    Lisa Anderson,
    • 1 reply
    • 166 views
    Sarah Johnson

  18. SDRplay RSPdx vs HackRF for general HF listening — worth the price difference?

    Rag Chewer,
    • 1 reply
    • 109 views
    Kevin Park

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

    Catherine O'Brien,
    • 1 reply
    • 259 views
    Jennifer Davis

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

    Kevin O'Connor,
    • 1 reply
    • 212 views
    Kevin O'Connor

  21. SDRplay RSP1A vs just getting a HackRF — worth the price difference?

    Rag Chewer,
    • 1 reply
    • 200 views
    Brian Mitchell

  22. hackrf one vs sdrplay rsp1a for general listening

    Sarah Kim,
    • 1 reply
    • 263 views
    John Williams99

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

    Linda Johnson,
    • 1 reply
    • 142 views
    Sarah Wilson93

  24. RSP1A gain staging issues with weak HF signals - looking for solutions

    Michael O'Brien,
    • 2 replies
    • 234 views
    Michael O'Brien

  25. SDRplay RSP1B Receive Performance vs RTL-SDR V4 - Real World Comparison

    Ashley Wilson27,
    • 2 replies
    • 586 views
    Karen Thompson

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

    Gary Yamamoto,
    • 1 reply
    • 187 views
    Gary Yamamoto

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