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☀ Solar
SFI 121
SN 99
A 11
K 2 Quiet
X-Ray B8.5
Wind 384.4 km/s
Aurora 3
Updated 14:00 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

Homebrew Radio Projects

Discuss homebrew transmitters, receivers, kits, custom circuits, parts choices, and amateur radio builds.

  1. finally got my direct conversion receiver working but audio is awful

    Brian Murphy,
    • 1 reply
    • 202 views
    Robert Williams

  2. first scratch built receiver actually working - some questions about the IF stage

    Amanda Taylor,
    • 1 reply
    • 57 views
    Nicole Larsen

  3. finally built my first 40m CW transmitter - oscillator acting weird

    Carlos Mendez,
    • 1 reply
    • 92 views
    QRP Guy

  4. first real transmitter build — some questions before i smoke something

    Patricia Wilson,
    • 1 reply
    • 71 views
    Giovanni Rossi

  5. finally breadboarded a 40m DSB transmitter — few questions before i box it up

    David Davis44,
    • 1 reply
    • 71 views
    Jennifer Wu

  6. first attempt at a direct conversion receiver, got audio but its a mess

    Emily Johnson,
    • 1 reply
    • 107 views
    Carlos Mendoza

  7. my first homebrew direct conversion receiver — some questions before i smoke something

    James Brown39,
    • 1 reply
    • 98 views
    Emily Davis

  8. first real transmitter build — got it working but something feels off

    Lisa Chang,
    • 1 reply
    • 92 views
    Tom Wilson

  9. finally built a direct conversion receiver for 40m, got some weird audio issues

    Rachel Martinez,
    • 1 reply
    • 93 views
    Amanda Davis

  11. finally built a 40m CW transmitter from scratch — few questions about the PA stage

    Jessica Nakamura,
    • 1 reply
    • 73 views
    Rachel Kim

  12. finally built my first ugly construction DC receiver — some thoughts

    Jessica Taylor,
    • 1 reply
    • 83 views
    Carlos Santos

  13. finally built my first 40m direct conversion receiver and its actually working??

    Christopher Lee,
    • 1 reply
    • 119 views
    Packet Radio

  14. finally got my 40m DSB transmitter putting out a decent signal but something's off with the carrier suppression

    Kenneth Davis,
    • 1 reply
    • 96 views
    James Williams

  15. finally got my 40m CW transmitter working but the output is way lower than expected

    Amanda Wilson,
    • 1 reply
    • 75 views
    Jennifer Kim

  16. first homebrew transmitter - getting weird audio on AM, not sure what im doing wrong

    John Taylor,
    • 1 reply
    • 95 views
    Michael Anderson

  17. finally built a direct conversion receiver for 40m — some questions about the audio stage

    Stephanie Clark,
    • 1 reply
    • 102 views
    Linda Thompson

  18. finally getting around to building a direct conversion RX for 40m — anyone done this?

    Contest Fan,
    • 1 reply
    • 82 views
    John Anderson78

  19. finally built my first DC receiver, got it working but the audio is a mess

    James Moore18,
    • 1 reply
    • 101 views
    Tom Anderson

  20. built a 40m direct conversion RX from scratch — got audio but its really noisy

    Sarah Collins,
    • 1 reply
    • 92 views
    Karen Williams

  21. finally finished my direct conversion receiver - some thoughts

    Paul Jackson,
    • 1 reply
    • 113 views
    Robert Johnson

  22. first homebrew transmitter — getting some weird harmonic issues i think

    Kenneth Lopez,
    • 1 reply
    • 94 views
    David Williams95

  23. my first scratch-built superhet receiver — some questions before i fire it up

    Jennifer Wilson,
    • 1 reply
    • 98 views
    Jessica Turner

  24. first homebrew receiver attempt — not picking up much

    Karen Brown,
    • 1 reply
    • 103 views
    HF Hunter

  25. finally got my direct conversion receiver working but theres a weird hum i cant track down

    Michael Wu,
    • 1 reply
    • 104 views
    Kevin Brown

  26. finally built a 40m direct conversion rx from scratch — got some questions

    Robert Taylor32,
    • 1 reply
    • 84 views
    David Anderson

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