Skip to content
View in the app

A better way to browse. Learn more.
Ham Radio Base -Powered By Ham CQ DX

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.
☀ Solar
SFI 128
SN 73
A 6
K 1 Quiet
X-Ray C2.2
Wind 403.6 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
_
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
Loading map data…
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 arduino to automate my antenna relay switching — is this overkill?

    James Wilson46,
    • 1 reply
    • 111 views
    Robert Johnson52

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

    Gregory Adams,
    • 1 reply
    • 120 views
    Rachel Garcia

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

    Michael Peterson,
    • 2 replies
    • 189 views
    Michael Miller

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

    Amanda Johnson,
    • 1 reply
    • 98 views
    Jennifer Wilson

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

    Lisa Chang,
    • 1 reply
    • 83 views
    David Brown

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

    Sarah Williams,
    • 1 reply
    • 66 views
    Radio Geek

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

    Patricia Nakamura,
    • 1 reply
    • 75 views
    Emily Moore

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

    Nancy White,
    • 1 reply
    • 110 views
    Michael Williams

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

    CQ Op,
    • 1 reply
    • 142 views
    Lisa Garcia

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

    Michelle Garcia,
    • 1 reply
    • 110 views
    Rag Chewer

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

    Karen Thompson,
    • 1 reply
    • 117 views
    James Davis

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

    Steve Anderson,
    • 1 reply
    • 155 views
    Robert Chen

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

    Amanda Thomas,
    • 1 reply
    • 111 views
    Amanda Thomas

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

    Gregory Adams,
    • 1 reply
    • 68 views
    Contester

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

    Nancy White,
    • 1 reply
    • 68 views
    Nancy White

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

    Repeater Tech,
    • 1 reply
    • 127 views
    Michael Peterson

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

    Nicole Larsen,
    • 1 reply
    • 79 views
    Amanda Johnson64

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

    Kevin Park,
    • 2 replies
    • 281 views
    Karen Lewis

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

    Michael Williams,
    • 1 reply
    • 99 views
    Brian Clark

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

    Jessica Nakamura,
    • 1 reply
    • 68 views
    Patricia Lee

  25. using a pi zero to automate my station logging — anyone else gone down this rabbit hole

    Sarah Wilson,
    • 1 reply
    • 72 views
    Sarah Chen

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

    Kevin Turner,
    • 1 reply
    • 127 views
    Radio Geek

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

    John Williams,
    • 1 reply
    • 139 views
    Michael Anderson

  28. using arduino to automate my antenna rotator - anyone done this?

    Brian Murphy,
    • 1 reply
    • 89 views
    Brian Harris

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

    Jessica Turner,
    • 1 reply
    • 72 views
    Jessica Turner

Account

Navigation

Search

Search

Configure browser push notifications
Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.