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
297 Views
Last post May 17, 2024, 2105 UTC
by kris
0 Replies
115 Views
Last post February 08, 2025, 0901 UTC
by Ray Lalleu
0 Replies
207 Views
Last post February 11, 2023, 0932 UTC
by Ray Lalleu
0 Replies
308 Views
Last post August 15, 2020, 0853 UTC
by Ray Lalleu
1 Replies
404 Views
Last post December 14, 2019, 1207 UTC
by The Ether Hacker
0 Replies
365 Views
Last post February 22, 2020, 0913 UTC
by Ray Lalleu
1 Replies
539 Views
Last post May 15, 2021, 1939 UTC
by TRI International
2 Replies
691 Views
Last post November 07, 2020, 1003 UTC
by Gino Italy
1 Replies
485 Views
Last post May 15, 2021, 0952 UTC
by RainBrandy
1 Replies
144 Views
Last post February 08, 2025, 2229 UTC
by James_Calais
1 Replies
222 Views
Last post November 10, 2024, 1610 UTC
by Fisherman
0 Replies
356 Views
Last post June 05, 2021, 0908 UTC
by Ray Lalleu
1 Replies
302 Views
Last post October 08, 2022, 0815 UTC
by kris
0 Replies
249 Views
Last post October 12, 2024, 0801 UTC
by Ray Lalleu
1 Replies
532 Views
Last post June 05, 2022, 1954 UTC
by RainBrandy
1 Replies
295 Views
Last post June 08, 2024, 0852 UTC
by TRI International
0 Replies
133 Views
Last post December 14, 2024, 0902 UTC
by Ray Lalleu
0 Replies
339 Views
Last post April 09, 2022, 0824 UTC
by Ray Lalleu
0 Replies
388 Views
Last post June 05, 2021, 0903 UTC
by Ray Lalleu
1 Replies
422 Views
Last post December 11, 2021, 0929 UTC
by Grey Fox

 

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