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
0 Replies
493 Views
Last post June 04, 2018, 1702 UTC
by Ray Lalleu
1 Replies
149 Views
Last post July 04, 2025, 1918 UTC
by RadioLongWire
0 Replies
196 Views
Last post September 27, 2023, 2005 UTC
by Ray Lalleu
0 Replies
184 Views
Last post December 22, 2024, 2302 UTC
by Ray Lalleu
1 Replies
414 Views
Last post March 08, 2021, 1710 UTC
by kris
0 Replies
512 Views
Last post May 16, 2019, 2003 UTC
by Ray Lalleu
0 Replies
215 Views
Last post April 05, 2025, 0752 UTC
by Ray Lalleu
0 Replies
176 Views
Last post May 26, 2023, 1957 UTC
by Ray Lalleu
0 Replies
402 Views
Last post September 27, 2019, 1655 UTC
by Ray Lalleu
0 Replies
420 Views
Last post August 17, 2018, 2010 UTC
by Ray Lalleu
1 Replies
261 Views
Last post September 21, 2024, 2025 UTC
by Fisherman
0 Replies
278 Views
Last post November 05, 2023, 1813 UTC
by Ray Lalleu
3 Replies
548 Views
Last post September 17, 2022, 1959 UTC
by TRI International
0 Replies
410 Views
Last post December 30, 2018, 1747 UTC
by Ray Lalleu
2 Replies
478 Views
Last post February 09, 2024, 1158 UTC
by Fisherman
0 Replies
339 Views
Last post February 20, 2022, 1628 UTC
by Ray Lalleu
0 Replies
476 Views
Last post May 30, 2020, 1842 UTC
by Ray Lalleu
0 Replies
162 Views
Last post May 10, 2025, 1633 UTC
by Ray Lalleu
1 Replies
179 Views
Last post July 22, 2023, 1917 UTC
by kris
1 Replies
421 Views
Last post August 06, 2021, 2041 UTC
by Bali_Frank

 

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