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
962 Views
Last post July 11, 2022, 0652 UTC
by Ray Lalleu
0 Replies
336 Views
Last post July 26, 2022, 1408 UTC
by kris
0 Replies
414 Views
Last post February 22, 2022, 1357 UTC
by kris
1 Replies
266 Views
Last post September 25, 2023, 1535 UTC
by Ray Lalleu
1 Replies
372 Views
Last post July 19, 2022, 1520 UTC
by Ray Lalleu
3 Replies
830 Views
Last post October 10, 2021, 1323 UTC
by raypfaff
0 Replies
258 Views
Last post April 29, 2025, 1214 UTC
by Benoit LEVEQUE
0 Replies
314 Views
Last post August 03, 2022, 1005 UTC
by Ray Lalleu
0 Replies
246 Views
Last post December 10, 2022, 1006 UTC
by kris
0 Replies
317 Views
Last post October 19, 2023, 0942 UTC
by kris
1 Replies
283 Views
Last post April 26, 2025, 1208 UTC
by TRI International
1 Replies
244 Views
Last post January 14, 2024, 1000 UTC
by Ray Lalleu
0 Replies
209 Views
Last post November 06, 2022, 0852 UTC
by Ray Lalleu
0 Replies
335 Views
Last post September 04, 2024, 0857 UTC
by kris
0 Replies
298 Views
Last post August 21, 2022, 0806 UTC
by Ray Lalleu
2 Replies
508 Views
Last post April 04, 2024, 1502 UTC
by Ray Lalleu
0 Replies
335 Views
Last post May 16, 2022, 1212 UTC
by Ray Lalleu
1 Replies
351 Views
Last post September 03, 2022, 0758 UTC
by Ray Lalleu
0 Replies
271 Views
Last post September 15, 2022, 0732 UTC
by Ray Lalleu
1 Replies
384 Views
Last post August 05, 2022, 0751 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