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
3 Replies
583 Views
Last post June 04, 2022, 2038 UTC
by TRI International
2 Replies
277 Views
Last post January 04, 2025, 1133 UTC
by Fisherman
0 Replies
235 Views
Last post April 12, 2024, 1254 UTC
by europirate
1 Replies
249 Views
Last post August 20, 2023, 1709 UTC
by Ray Lalleu
0 Replies
366 Views
Last post October 25, 2023, 1518 UTC
by europirate
1 Replies
458 Views
Last post May 08, 2022, 1251 UTC
by FOX
4 Replies
499 Views
Last post May 07, 2023, 1143 UTC
by Magnitic
0 Replies
364 Views
Last post May 11, 2025, 0922 UTC
by europirate
1 Replies
273 Views
Last post August 04, 2024, 1308 UTC
by Fisherman
1 Replies
181 Views
Last post June 30, 2024, 0856 UTC
by Ray Lalleu
4 Replies
413 Views
Last post July 19, 2024, 2213 UTC
by kris
2 Replies
452 Views
Last post April 03, 2022, 0934 UTC
by Ray Lalleu
1 Replies
298 Views
Last post September 30, 2023, 1714 UTC
by Ray Lalleu
1 Replies
340 Views
Last post October 09, 2024, 1945 UTC
by Ray Lalleu
2 Replies
596 Views
Last post June 21, 2022, 1839 UTC
by Ray Lalleu
0 Replies
186 Views
Last post September 08, 2024, 1244 UTC
by europirate
1 Replies
482 Views
Last post November 20, 2021, 1047 UTC
by Ray Lalleu
1 Replies
271 Views
Last post October 01, 2023, 1618 UTC
by Ray Lalleu
2 Replies
332 Views
Last post February 25, 2023, 1715 UTC
by Shortwave_Listener
3 Replies
571 Views
Last post June 24, 2022, 1828 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