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
165 Views
Last post February 26, 2025, 1323 UTC
by Benoit LEVEQUE
0 Replies
556 Views
Last post February 25, 2025, 2335 UTC
by m3ozp1
2 Replies
433 Views
Last post February 25, 2025, 2319 UTC
by kris
2 Replies
674 Views
Last post February 25, 2025, 1952 UTC
by DBullock
0 Replies
234 Views
Last post February 25, 2025, 1950 UTC
by Ray Lalleu
1 Replies
396 Views
Last post February 25, 2025, 1903 UTC
by achim
1 Replies
290 Views
Last post February 25, 2025, 1834 UTC
by RadioHF - Sheldon Harvey
0 Replies
238 Views
Last post February 25, 2025, 1741 UTC
by Ray Lalleu
1 Replies
320 Views
Last post February 25, 2025, 1622 UTC
by Benoit LEVEQUE
1 Replies
264 Views
Last post February 25, 2025, 1617 UTC
by Ray Lalleu
5 Replies
478 Views
Last post February 25, 2025, 1605 UTC
by Benoit LEVEQUE
3 Replies
380 Views
Last post February 25, 2025, 1601 UTC
by Benoit LEVEQUE
1 Replies
242 Views
Last post February 25, 2025, 1528 UTC
by kris
0 Replies
330 Views
Last post February 25, 2025, 1135 UTC
by Ray Lalleu
4 Replies
2657 Views
Last post February 25, 2025, 0022 UTC
by Skipmuck
1 Replies
309 Views
Last post February 24, 2025, 2239 UTC
by hsmith77
0 Replies
205 Views
Last post February 24, 2025, 2041 UTC
by Ray Lalleu
1 Replies
389 Views
Last post February 24, 2025, 2020 UTC
by Ray Lalleu
0 Replies
317 Views
Last post February 24, 2025, 1946 UTC
by Alex BLR
1 Replies
348 Views
Last post February 24, 2025, 1933 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 House Flag
by MitchellTimeDesigns