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
4 Replies
418 Views
Last post May 06, 2025, 0822 UTC
by Benoit LEVEQUE
3 Replies
362 Views
Last post May 04, 2025, 1332 UTC
by Benoit LEVEQUE
1 Replies
291 Views
Last post May 09, 2025, 1315 UTC
by Fisherman
0 Replies
137 Views
Last post May 17, 2025, 1653 UTC
by Ray Lalleu
0 Replies
202 Views
Last post May 11, 2025, 1439 UTC
by Ray Lalleu
3 Replies
201 Views
Last post May 04, 2025, 1155 UTC
by Alex BLR
1 Replies
507 Views
Last post April 11, 2020, 1842 UTC
by ukdxer
2 Replies
550 Views
Last post May 15, 2021, 1920 UTC
by kris
1 Replies
552 Views
Last post April 28, 2019, 0903 UTC
by The Ether Hacker
5 Replies
591 Views
Last post August 07, 2022, 2045 UTC
by kris
0 Replies
377 Views
Last post November 10, 2020, 2046 UTC
by FOX
2 Replies
288 Views
Last post March 17, 2024, 2019 UTC
by Ray Lalleu
0 Replies
431 Views
Last post December 26, 2018, 1458 UTC
by Ray Lalleu
1 Replies
689 Views
Last post May 18, 2018, 1819 UTC
by Ray Lalleu
0 Replies
277 Views
Last post October 07, 2022, 0956 UTC
by Ray Lalleu
0 Replies
189 Views
Last post September 02, 2023, 1959 UTC
by Ray Lalleu
2 Replies
391 Views
Last post March 01, 2023, 1833 UTC
by ukdxer
1 Replies
285 Views
Last post February 04, 2024, 1057 UTC
by Ray Lalleu
1 Replies
254 Views
Last post April 12, 2023, 1817 UTC
by Ray Lalleu
2 Replies
392 Views
Last post October 15, 2022, 1803 UTC
by kris

 

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