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
686 Views
Last post January 08, 2019, 1143 UTC
by Ray Lalleu
1 Replies
321 Views
Last post February 12, 2024, 1738 UTC
by kris
1 Replies
245 Views
Last post March 28, 2023, 1703 UTC
by kris
1 Replies
448 Views
Last post February 27, 2022, 1522 UTC
by Bali_Frank
0 Replies
382 Views
Last post April 27, 2021, 1030 UTC
by Ray Lalleu
0 Replies
316 Views
Last post June 06, 2020, 0911 UTC
by Ray Lalleu
0 Replies
356 Views
Last post July 18, 2019, 1441 UTC
by Ray Lalleu
1 Replies
257 Views
Last post May 16, 2025, 2057 UTC
by europirate
0 Replies
220 Views
Last post July 29, 2023, 0752 UTC
by Ray Lalleu
0 Replies
414 Views
Last post August 13, 2021, 1852 UTC
by Ray Lalleu
0 Replies
452 Views
Last post November 18, 2019, 1611 UTC
by Ray Lalleu
0 Replies
225 Views
Last post November 19, 2022, 1045 UTC
by Ray Lalleu
0 Replies
374 Views
Last post January 21, 2021, 1404 UTC
by Ray Lalleu
0 Replies
409 Views
Last post March 21, 2019, 1430 UTC
by Ray Lalleu
0 Replies
270 Views
Last post March 19, 2024, 1801 UTC
by Ray Lalleu
1 Replies
443 Views
Last post April 05, 2022, 0832 UTC
by TRI International
0 Replies
345 Views
Last post July 19, 2020, 0833 UTC
by Ray Lalleu
0 Replies
466 Views
Last post May 21, 2018, 0813 UTC
by Ray Lalleu
0 Replies
193 Views
Last post September 16, 2023, 1909 UTC
by Ray Lalleu
0 Replies
322 Views
Last post July 09, 2022, 1714 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