We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

Subject / Started by Last post
2 Replies
456 Views
Last post January 06, 2022, 1714 UTC
by kris
2 Replies
358 Views
Last post January 23, 2022, 1029 UTC
by Bali_Frank
2 Replies
402 Views
Last post April 01, 2020, 1651 UTC
by kris
2 Replies
385 Views
Last post January 23, 2022, 1613 UTC
by kris
2 Replies
406 Views
Last post January 22, 2022, 1646 UTC
by europirate
2 Replies
465 Views
Last post March 31, 2020, 2302 UTC
by Radio Star
2 Replies
404 Views
Last post January 23, 2022, 1600 UTC
by Zeewolf
2 Replies
436 Views
Last post March 30, 2020, 1901 UTC
by FOX
2 Replies
432 Views
Last post March 30, 2020, 2331 UTC
by Radio Star
2 Replies
385 Views
Last post January 22, 2022, 2227 UTC
by Zeewolf
2 Replies
369 Views
Last post January 16, 2022, 1127 UTC
by Bali_Frank
2 Replies
357 Views
Last post March 29, 2020, 1753 UTC
by kris
2 Replies
410 Views
Last post January 14, 2022, 1641 UTC
by Ray Lalleu
2 Replies
412 Views
Last post March 29, 2020, 1437 UTC
by ukdxer
2 Replies
376 Views
Last post January 16, 2022, 1358 UTC
by Ray Lalleu
2 Replies
450 Views
Last post January 16, 2022, 1603 UTC
by raadio_kuulaja
2 Replies
376 Views
Last post January 15, 2022, 1338 UTC
by Bali_Frank
2 Replies
401 Views
Last post January 16, 2022, 1340 UTC
by Ray Lalleu
2 Replies
478 Views
Last post April 01, 2019, 2328 UTC
by Radio Star
2 Replies
502 Views
Last post January 15, 2022, 1306 UTC
by ukdxer

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns