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
451 Views
Last post May 07, 2021, 2241 UTC
by Ray Lalleu
0 Replies
392 Views
Last post August 09, 2019, 1028 UTC
by Ray Lalleu
1 Replies
520 Views
Last post July 22, 2022, 2005 UTC
by kobalts
3 Replies
474 Views
Last post November 01, 2020, 2031 UTC
by Molvania Poacher
0 Replies
413 Views
Last post October 31, 2018, 1619 UTC
by Ray Lalleu
0 Replies
119 Views
Last post October 09, 2025, 0709 UTC
by Ray Lalleu
0 Replies
178 Views
Last post November 10, 2024, 1821 UTC
by Ray Lalleu
0 Replies
362 Views
Last post December 04, 2022, 1734 UTC
by Ray Lalleu
0 Replies
452 Views
Last post April 03, 2019, 2351 UTC
by Ray Lalleu
2 Replies
388 Views
Last post April 06, 2025, 0824 UTC
by Benoit LEVEQUE
2 Replies
574 Views
Last post April 13, 2022, 1555 UTC
by The Ether Hacker
1 Replies
507 Views
Last post July 30, 2020, 2247 UTC
by kris
0 Replies
178 Views
Last post July 06, 2025, 0859 UTC
by Ray Lalleu
0 Replies
403 Views
Last post January 27, 2020, 1759 UTC
by Ray Lalleu
0 Replies
237 Views
Last post February 04, 2023, 1018 UTC
by Ray Lalleu
0 Replies
349 Views
Last post March 11, 2021, 1624 UTC
by Ray Lalleu
3 Replies
793 Views
Last post May 18, 2019, 1941 UTC
by cj468
0 Replies
374 Views
Last post May 23, 2022, 1750 UTC
by Ray Lalleu
2 Replies
623 Views
Last post June 19, 2021, 1831 UTC
by Pravotorov
0 Replies
382 Views
Last post September 28, 2019, 1628 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 Garden Flag
by MitchellTimeDesigns