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
407 Views
Last post December 05, 2023, 2239 UTC
by Mick Boyle
1 Replies
436 Views
Last post November 09, 2023, 2212 UTC
by kris
1 Replies
313 Views
Last post April 09, 2024, 2045 UTC
by Fisherman
1 Replies
284 Views
Last post December 18, 2023, 2304 UTC
by TRI International
1 Replies
535 Views
Last post October 26, 2023, 2102 UTC
by kris
3 Replies
424 Views
Last post March 29, 2024, 0032 UTC
by WA0093SWL
2 Replies
871 Views
Last post October 25, 2023, 2159 UTC
by kris
0 Replies
239 Views
Last post April 07, 2024, 2058 UTC
by Ray Lalleu
1 Replies
295 Views
Last post December 17, 2023, 2314 UTC
by kris
1 Replies
375 Views
Last post November 20, 2023, 2226 UTC
by Radio Star
3 Replies
664 Views
Last post November 01, 2023, 0208 UTC
by ChrisLobdell
1 Replies
384 Views
Last post November 06, 2023, 0013 UTC
by N2MLP
0 Replies
237 Views
Last post October 05, 2023, 2118 UTC
by Ray Lalleu
1 Replies
280 Views
Last post February 19, 2024, 2200 UTC
by kris
0 Replies
264 Views
Last post November 15, 2023, 2139 UTC
by Ray Lalleu
1 Replies
320 Views
Last post October 22, 2023, 2150 UTC
by N2MLP
1 Replies
473 Views
Last post October 24, 2023, 2212 UTC
by kris
0 Replies
213 Views
Last post March 02, 2024, 2143 UTC
by Ray Lalleu
0 Replies
296 Views
Last post March 11, 2024, 2205 UTC
by Ray Lalleu
0 Replies
315 Views
Last post November 13, 2023, 2209 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 T-Shirt
by MitchellTimeDesigns