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
1 Replies
229 Views
Last post February 22, 2025, 1938 UTC
by Ray Lalleu
1 Replies
228 Views
Last post February 23, 2025, 1042 UTC
by Ray Lalleu
1 Replies
196 Views
Last post February 23, 2025, 1108 UTC
by Ray Lalleu
1 Replies
246 Views
Last post February 23, 2025, 1655 UTC
by dxace1
1 Replies
409 Views
Last post February 23, 2025, 2141 UTC
by Ray Lalleu
1 Replies
772 Views
Last post February 23, 2025, 2141 UTC
by Fisherman
1 Replies
217 Views
Last post February 23, 2025, 2331 UTC
by kris
1 Replies
199 Views
Last post February 23, 2025, 2335 UTC
by kris
1 Replies
238 Views
Last post February 24, 2025, 0028 UTC
by N2MLP
1 Replies
573 Views
Last post February 24, 2025, 1730 UTC
by Ray Lalleu
1 Replies
265 Views
Last post February 24, 2025, 1734 UTC
by Ray Lalleu
1 Replies
321 Views
Last post February 24, 2025, 1822 UTC
by Alex BLR
1 Replies
348 Views
Last post February 24, 2025, 1933 UTC
by Ray Lalleu
1 Replies
390 Views
Last post February 24, 2025, 2020 UTC
by Ray Lalleu
1 Replies
311 Views
Last post February 24, 2025, 2239 UTC
by hsmith77
1 Replies
244 Views
Last post February 25, 2025, 1528 UTC
by kris
1 Replies
264 Views
Last post February 25, 2025, 1617 UTC
by Ray Lalleu
1 Replies
320 Views
Last post February 25, 2025, 1622 UTC
by Benoit LEVEQUE
1 Replies
294 Views
Last post February 25, 2025, 1834 UTC
by RadioHF - Sheldon Harvey
1 Replies
399 Views
Last post February 25, 2025, 1903 UTC
by achim

 

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