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☀ Solar
SFI 125
SN 85
A 7
K 2 Quiet
X-Ray C2.1
Wind 453.2 km/s
Aurora 2
Updated 23:00 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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SDR Software & Tools

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

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

    Ashley Wilson81,
    • 1 reply
    • 15 views
    Sarah Garcia

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

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

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

    Melissa Baker,
    • 1 reply
    • 65 views
    Melissa Baker

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

    Steven Wright,
    • 1 reply
    • 38 views
    Michelle Parker

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

    Sarah Wilson13,
    • 2 replies
    • 180 views
    Michelle Garcia

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

    Sarah Thomas43,
    • 2 replies
    • 150 views
    Sarah Wilson93

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

    Robert Taylor,
    • 1 reply
    • 25 views
    David Thompson

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

    Carlos Mendez,
    • 1 reply
    • 130 views
    Robert Martinez

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

    Jessica Davis,
    • 1 reply
    • 64 views
    Emily Miller

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

    Mike Rodriguez,
    • 2 replies
    • 339 views
    Radio Geek

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

    Kevin O'Connor,
    • 1 reply
    • 62 views
    Angela Turner

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

    Lisa Anderson,
    • 1 reply
    • 51 views
    Sarah Johnson

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

    Rag Chewer,
    • 1 reply
    • 88 views
    Brian Mitchell

  16. hackrf one vs sdrplay rsp1a for general listening

    Sarah Kim,
    • 1 reply
    • 138 views
    John Williams99

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

    Michael O'Brien,
    • 2 replies
    • 116 views
    Brian Clark

  19. HackRF One TX power output inconsistency - troubleshooting needed

    Mike Rodriguez,
    • 2 replies
    • 598 views
    Michael Torres

  20. SDRplay RSP1A vs just running a cheap RTL-SDR dongle — actually worth the price difference?

    James Thompson,
    • 1 reply
    • 77 views
    Tower Climber

  21. SDRplay RSP1A vs HackRF for general monitoring - worth the price difference?

    Melissa Baker,
    • 1 reply
    • 71 views
    Melissa Baker

  22. RTL-SDR vs SDRplay for general listening and some decoding stuff

    Stephanie Clark,
    • 1 reply
    • 92 views
    Amanda Taylor

  23. RTL-SDR V4 bias tee noise issues with LNA - need configuration help

    Michael Stevens,
    • 2 replies
    • 948 views
    Brazil Ham

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

    Robert Martinez,
    • 1 reply
    • 53 views
    CW Whisperer

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

    Ashley Wilson27,
    • 2 replies
    • 247 views
    Ashley Johnson24

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

    Robert Taylor32,
    • 1 reply
    • 95 views
    Steve Martinez

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

    Robert Miller,
    • 1 reply
    • 47 views
    Robert Miller

  29. SDRplay RSP1A vs HackRF One for VHF/UHF weak signal work

    Ham Fan,
    • 2 replies
    • 1.2k views
    Ham Fan

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