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
273 Views
Last post December 04, 2024, 2000 UTC
by Ray Lalleu
2 Replies
297 Views
Last post October 24, 2025, 1359 UTC
by TRI International
1 Replies
602 Views
Last post December 02, 2018, 1252 UTC
by kris
0 Replies
460 Views
Last post December 31, 2019, 1333 UTC
by Ray Lalleu
0 Replies
636 Views
Last post September 18, 2021, 1520 UTC
by Ray Lalleu
0 Replies
310 Views
Last post August 21, 2022, 1024 UTC
by Ray Lalleu
1 Replies
272 Views
Last post September 04, 2023, 2117 UTC
by N2MLP
2 Replies
768 Views
Last post June 15, 2025, 0923 UTC
by europirate
0 Replies
645 Views
Last post May 10, 2018, 1504 UTC
by Ray Lalleu
1 Replies
498 Views
Last post September 04, 2019, 1930 UTC
by kris
1 Replies
378 Views
Last post May 29, 2021, 0944 UTC
by Bali_Frank
0 Replies
261 Views
Last post May 03, 2023, 1535 UTC
by Ray Lalleu
1 Replies
475 Views
Last post March 17, 2025, 2016 UTC
by kris
1 Replies
555 Views
Last post April 13, 2020, 1356 UTC
by Oliver
0 Replies
436 Views
Last post December 24, 2021, 1559 UTC
by Ray Lalleu
0 Replies
233 Views
Last post December 17, 2023, 0742 UTC
by Ray Lalleu
0 Replies
184 Views
Last post September 24, 2025, 2242 UTC
by Ray Lalleu
0 Replies
536 Views
Last post June 29, 2022, 1658 UTC
by Ray Lalleu
0 Replies
349 Views
Last post July 10, 2020, 2116 UTC
by Ray Lalleu
0 Replies
456 Views
Last post April 17, 2021, 2156 UTC
by Ray Lalleu

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns