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
331 Views
Last post October 02, 2022, 1730 UTC
by Ray Lalleu
0 Replies
364 Views
Last post October 08, 2023, 0742 UTC
by Ray Lalleu
0 Replies
214 Views
Last post July 16, 2025, 1552 UTC
by Ray Lalleu
0 Replies
592 Views
Last post June 24, 2018, 1925 UTC
by Ray Lalleu
2 Replies
656 Views
Last post June 27, 2021, 2207 UTC
by Ray Lalleu
0 Replies
444 Views
Last post January 16, 2022, 1613 UTC
by Ray Lalleu
0 Replies
268 Views
Last post January 13, 2024, 0956 UTC
by Ray Lalleu
0 Replies
150 Views
Last post October 14, 2025, 0805 UTC
by Ray Lalleu
0 Replies
388 Views
Last post November 08, 2020, 1747 UTC
by Ray Lalleu
2 Replies
740 Views
Last post May 15, 2021, 1556 UTC
by Bali_Frank
1 Replies
568 Views
Last post April 20, 2022, 2036 UTC
by Panda_NL
0 Replies
273 Views
Last post April 17, 2023, 0733 UTC
by Ray Lalleu
0 Replies
250 Views
Last post March 04, 2025, 1526 UTC
by Ray Lalleu
0 Replies
520 Views
Last post April 14, 2019, 1931 UTC
by Ray Lalleu
0 Replies
400 Views
Last post April 03, 2020, 2022 UTC
by Ray Lalleu
0 Replies
397 Views
Last post February 06, 2021, 2120 UTC
by Ray Lalleu
1 Replies
348 Views
Last post December 18, 2022, 1805 UTC
by Ray Lalleu
1 Replies
316 Views
Last post December 02, 2023, 1655 UTC
by kris
1 Replies
334 Views
Last post November 19, 2024, 2058 UTC
by europirate
0 Replies
429 Views
Last post December 15, 2019, 1401 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