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
309 Views
Last post September 24, 2023, 2150 UTC
by N2MLP
2 Replies
491 Views
Last post June 04, 2022, 1233 UTC
by europirate
0 Replies
171 Views
Last post January 03, 2025, 1457 UTC
by europirate
1 Replies
261 Views
Last post August 20, 2023, 0741 UTC
by Ray Lalleu
1 Replies
267 Views
Last post July 22, 2023, 1952 UTC
by Ray Lalleu
1 Replies
473 Views
Last post May 22, 2022, 1254 UTC
by Normz
1 Replies
295 Views
Last post September 06, 2024, 1837 UTC
by Ray Lalleu
2 Replies
548 Views
Last post December 22, 2023, 1504 UTC
by Misti-Radio
2 Replies
338 Views
Last post April 20, 2025, 1446 UTC
by Ray Lalleu
0 Replies
395 Views
Last post December 16, 2021, 1639 UTC
by europirate
0 Replies
181 Views
Last post January 27, 2025, 1841 UTC
by europirate
1 Replies
384 Views
Last post February 13, 2025, 2202 UTC
by Ray Lalleu
1 Replies
520 Views
Last post April 15, 2022, 1612 UTC
by Shortwave_Listener
1 Replies
260 Views
Last post May 29, 2023, 1139 UTC
by FOX
1 Replies
403 Views
Last post July 24, 2022, 1031 UTC
by Ray Lalleu
1 Replies
312 Views
Last post April 09, 2023, 1324 UTC
by Ray Lalleu
1 Replies
299 Views
Last post November 13, 2024, 2100 UTC
by Ray Lalleu
1 Replies
151 Views
Last post July 26, 2025, 2001 UTC
by Ray Lalleu
1 Replies
257 Views
Last post August 27, 2023, 0856 UTC
by Ray Lalleu
1 Replies
341 Views
Last post October 30, 2022, 1004 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