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 11, 2022, 1329 UTC
by Ray Lalleu
0 Replies
249 Views
Last post November 26, 2023, 1554 UTC
by Ray Lalleu
0 Replies
246 Views
Last post November 16, 2024, 1115 UTC
by Ray Lalleu
0 Replies
501 Views
Last post September 14, 2018, 1917 UTC
by Ray Lalleu
0 Replies
373 Views
Last post December 08, 2019, 1118 UTC
by Ray Lalleu
0 Replies
571 Views
Last post August 27, 2021, 1550 UTC
by Ray Lalleu
2 Replies
544 Views
Last post June 10, 2022, 1858 UTC
by Misti-Radio
2 Replies
292 Views
Last post August 12, 2023, 1805 UTC
by europirate
1 Replies
453 Views
Last post May 27, 2025, 2105 UTC
by TRI International
0 Replies
349 Views
Last post June 20, 2020, 1717 UTC
by Ray Lalleu
1 Replies
588 Views
Last post March 12, 2022, 1945 UTC
by Bali_Frank
1 Replies
1033 Views
Last post February 03, 2019, 1623 UTC
by dxace1
0 Replies
350 Views
Last post December 26, 2020, 0950 UTC
by Ray Lalleu
0 Replies
302 Views
Last post October 14, 2022, 2110 UTC
by Ray Lalleu
1 Replies
266 Views
Last post October 12, 2024, 2031 UTC
by kris
1 Replies
604 Views
Last post October 19, 2019, 1319 UTC
by dxace1
0 Replies
491 Views
Last post July 10, 2021, 1735 UTC
by Ray Lalleu
0 Replies
295 Views
Last post June 20, 2023, 1854 UTC
by Ray Lalleu
0 Replies
623 Views
Last post June 12, 2019, 2008 UTC
by Ray Lalleu
0 Replies
378 Views
Last post May 11, 2020, 1616 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 T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns