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
2 Replies
263 Views
Last post January 14, 2024, 1030 UTC
by ukdxer
0 Replies
282 Views
Last post December 26, 2023, 1032 UTC
by FOX
1 Replies
289 Views
Last post April 26, 2025, 1114 UTC
by Benoit LEVEQUE
1 Replies
260 Views
Last post February 10, 2024, 1021 UTC
by Ray Lalleu
1 Replies
264 Views
Last post February 08, 2024, 1904 UTC
by FOX
0 Replies
206 Views
Last post April 21, 2023, 1727 UTC
by Ray Lalleu
0 Replies
272 Views
Last post January 25, 2024, 1918 UTC
by Ray Lalleu
1 Replies
295 Views
Last post January 26, 2024, 1900 UTC
by FOX
0 Replies
299 Views
Last post February 25, 2024, 1646 UTC
by Ray Lalleu
2 Replies
372 Views
Last post February 21, 2024, 1949 UTC
by EagleWave
0 Replies
240 Views
Last post February 28, 2024, 1442 UTC
by Ray Lalleu
3 Replies
436 Views
Last post May 30, 2024, 2106 UTC
by achim
1 Replies
322 Views
Last post September 15, 2024, 0814 UTC
by Ray Lalleu
1 Replies
316 Views
Last post May 17, 2025, 0951 UTC
by TRI International
1 Replies
281 Views
Last post February 15, 2025, 1035 UTC
by Ethernut
2 Replies
333 Views
Last post July 28, 2024, 1729 UTC
by Fisherman
3 Replies
489 Views
Last post April 18, 2024, 1810 UTC
by Benoit LEVEQUE
2 Replies
891 Views
Last post April 06, 2024, 1906 UTC
by Ray Lalleu
2 Replies
313 Views
Last post June 21, 2023, 1823 UTC
by kris
1 Replies
307 Views
Last post October 22, 2022, 1634 UTC
by Bali_Frank

 

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