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☀ Solar
SFI 121
SN 99
A 11
K 2 Quiet
X-Ray C3.2
Wind 511.2 km/s
Aurora 3
Updated 15:30 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
Enter filters above and click Search.
ⓘ 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
Recent spots —
Select a band above to load spots
Ready — select a band to fetch live spots

Arduino, Raspberry Pi & Electronics

Discuss Arduino, Raspberry Pi, microcontrollers, interfacing, automation, and electronics for ham radio.

  1. using an arduino to auto-switch antennas based on band — anyone done this?

    Lisa Garcia,
    • 1 reply
    • 212 views
    Mark Thompson

  2. using arduino to automate my antenna rotator — anyone done this?

    Amanda Foster,
    • 1 reply
    • 182 views
    Melissa Baker

  3. using arduino to automate antenna switching — anyone done this?

    Amanda Taylor,
    • 1 reply
    • 206 views
    Rag Chewer

  4. Raspberry Pi Zero 2W for FT8 Spotting Node - Performance Analysis

    David Kim,
    • 2 replies
    • 354 views
    Digital Mode

  5. using a pi zero to automate my antenna switch — anyone done this?

    Diana Foster,
    • 1 reply
    • 158 views
    Emily Zhang

  6. using arduino to automate my antenna switch — anyone done this before

    Lisa Park,
    • 1 reply
    • 142 views
    Daniel Jackson

  7. using arduino to automate my antenna switching — anyone done this?

    QRP Master,
    • 1 reply
    • 111 views
    Angela Washington

  8. using arduino to automate my antenna relay switching — is this overkill?

    James Wilson46,
    • 1 reply
    • 165 views
    Robert Johnson52

  9. using arduino to automate antenna switching — anyone done this?

    Gregory Adams,
    • 1 reply
    • 190 views
    Rachel Garcia

  11. Si5351 Arduino VFO calibration issues - frequency drift after power cycling

    Michael Peterson,
    • 2 replies
    • 252 views
    Michael Miller

  12. RPi as a shack controller — worth the hassle or just use a dedicated TNC?

    Amanda Johnson,
    • 1 reply
    • 144 views
    Jennifer Wilson

  13. using arduino to automate antenna switching — anyone done this?

    Lisa Chang,
    • 1 reply
    • 169 views
    David Brown

  14. using arduino to automate antenna switching — anyone done this?

    Sarah Williams,
    • 1 reply
    • 140 views
    Radio Geek

  15. using an arduino to automate my antenna rotator — is this overkill or worth it

    Patricia Nakamura,
    • 1 reply
    • 136 views
    Emily Moore

  16. using arduino to automate my antenna switching — anyone done this?

    Nancy White,
    • 1 reply
    • 162 views
    Michael Williams

  17. using arduino to automate antenna switching — anyone done this?

    CQ Op,
    • 1 reply
    • 204 views
    Lisa Garcia

  18. using arduino to automate my antenna rotator — anybody done this?

    Michelle Garcia,
    • 1 reply
    • 159 views
    Rag Chewer

  19. using an arduino to auto-tune my antenna — anyone done this?

    Karen Thompson,
    • 1 reply
    • 200 views
    James Davis

  20. using arduino to auto-tune my antenna setup — anyone done this before?

    Steve Anderson,
    • 1 reply
    • 213 views
    Robert Chen

  21. using an arduino to automate my antenna switching — anyone done this?

    Amanda Thomas,
    • 1 reply
    • 175 views
    Amanda Thomas

  22. using arduino to automate my antenna rotator — anyone done this?

    Gregory Adams,
    • 1 reply
    • 143 views
    Contester

  23. using arduino to automate my antenna tuner — anyone done this?

    Nancy White,
    • 1 reply
    • 144 views
    Nancy White

  24. using an arduino to key my radio automatically — ran into a weird issue

    Repeater Tech,
    • 1 reply
    • 222 views
    Michael Peterson

  25. using arduino to automate my antenna relay switching — anyone done this?

    Nicole Larsen,
    • 1 reply
    • 155 views
    Amanda Johnson64

  26. Arduino Si5351 VFO with touch display — frequency drift issue

    Kevin Park,
    • 2 replies
    • 329 views
    Karen Lewis

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