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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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SDR Software & Tools

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

  1. SDRplay RSP1B vs just using an RTL-SDR for HF — worth the price difference?

    Michael Johnson,
    • 1 reply
    • 133 views
    Maria Chen

  2. HackRF One TX power output inconsistency - troubleshooting needed

    Mike Rodriguez,
    • 2 replies
    • 815 views
    Michael Torres

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

    Melissa Baker,
    • 1 reply
    • 208 views
    Robert Moore66

  4. SDRplay RSP1A vs just using a cheap RTL-SDR dongle — is it actually worth it

    Digital Mode,
    • 1 reply
    • 266 views
    Amanda Davis

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

    Robert Martinez,
    • 1 reply
    • 174 views
    CW Whisperer

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

    James Thompson,
    • 1 reply
    • 188 views
    Tower Climber

  7. SDRplay RSP1A vs just using an RTL-SDR for general monitoring — worth the price difference?

    John Johnson,
    • 1 reply
    • 182 views
    Ham Fan

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

    Stephanie Clark,
    • 1 reply
    • 191 views
    Amanda Taylor

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

    Michael Stevens,
    • 2 replies
    • 1.1k views
    Brazil Ham

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

    Maria Santos,
    • 1 reply
    • 146 views
    Catherine O'Brien

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

    Sarah Martinez,
    • 1 reply
    • 200 views
    Jennifer Rodriguez

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

    Gregory Adams,
    • 1 reply
    • 97 views
    Jessica Davis

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

    Christopher Lopez,
    • 1 reply
    • 155 views
    Michael Rodriguez

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

    Ham Fan,
    • 2 replies
    • 1.3k views
    DX Lover

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

    David Wilson59,
    • 1 reply
    • 129 views
    Sarah Kim

  17. RTL-SDR v3 vs SDRplay RSP1B — worth the price jump for HF?

    Bob Martinez,
    • 1 reply
    • 116 views
    Kenneth Lopez

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

    Robert Taylor32,
    • 1 reply
    • 251 views
    Steve Martinez

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

    Robert Miller,
    • 1 reply
    • 156 views
    Robert Miller

  20. RTL-SDR vs SDRplay for general listening / HF with upconverter

    Tom Wilson,
    • 1 reply
    • 163 views
    Jessica Taylor

  21. RTL-SDR vs HackRF One - Bandwidth and Processing Overhead Observations

    Patricia Garcia,
    • 2 replies
    • 686 views
    Emily Davis

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

    Dave Patterson,
    • 1 reply
    • 160 views
    James Davis

  23. GNU Radio 4.0 RC1 released - major improvements for SDR development

    Carlos Santos,
    • 2 replies
    • 364 views
    Rachel Green

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

    Michael Brown,
    • 1 reply
    • 151 views
    Michael Brown

  25. RTL-SDR vs SDRplay for just listening around — worth the price difference?

    Ashley Wilson,
    • 1 reply
    • 96 views
    Emily Wilson

  26. SDRplay RSP1B vs just using the HackRF for general monitoring — worth the price diff?

    Ashley Miller,
    • 1 reply
    • 178 views
    Sarah Williams

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