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
1 Replies
360 Views
Last post June 16, 2025, 2059 UTC
by europirate
1 Replies
253 Views
Last post August 06, 2023, 1928 UTC
by FOX
1 Replies
465 Views
Last post August 17, 2023, 1916 UTC
by kris
1 Replies
280 Views
Last post April 07, 2023, 1850 UTC
by kobalts
1 Replies
344 Views
Last post March 11, 2023, 1800 UTC
by kris
1 Replies
215 Views
Last post April 07, 2023, 1643 UTC
by kris
0 Replies
182 Views
Last post December 24, 2023, 1620 UTC
by Ray Lalleu
0 Replies
341 Views
Last post February 10, 2024, 1603 UTC
by Ray Lalleu
0 Replies
245 Views
Last post January 22, 2023, 1505 UTC
by Ray Lalleu
2 Replies
535 Views
Last post January 29, 2023, 1538 UTC
by Ray Lalleu
0 Replies
213 Views
Last post February 12, 2023, 1040 UTC
by Ray Lalleu
2 Replies
376 Views
Last post January 01, 2023, 1111 UTC
by europirate
2 Replies
535 Views
Last post June 28, 2024, 2114 UTC
by dxace1
1 Replies
760 Views
Last post June 14, 2025, 2022 UTC
by Princo
0 Replies
283 Views
Last post March 22, 2025, 2316 UTC
by Ray Lalleu
1 Replies
413 Views
Last post September 29, 2023, 2153 UTC
by kris
1 Replies
395 Views
Last post June 09, 2024, 2236 UTC
by kris
0 Replies
220 Views
Last post November 07, 2024, 1822 UTC
by Ray Lalleu
0 Replies
310 Views
Last post October 06, 2020, 2009 UTC
by Ray Lalleu
4 Replies
709 Views
Last post February 23, 2024, 1830 UTC
by DonMooreDXer

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns