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
213 Views
Last post March 23, 2025, 1111 UTC
by Ray Lalleu
0 Replies
213 Views
Last post March 22, 2024, 0843 UTC
by Ray Lalleu
1 Replies
213 Views
Last post December 17, 2022, 1347 UTC
by Bali_Frank
2 Replies
213 Views
Last post April 06, 2025, 0815 UTC
by Benoit LEVEQUE
0 Replies
213 Views
Last post February 19, 2023, 2059 UTC
by Ray Lalleu
1 Replies
213 Views
Last post September 03, 2023, 2103 UTC
by Charlie_Dont_Surf
2 Replies
213 Views
Last post November 10, 2024, 1101 UTC
by TRI International
1 Replies
213 Views
Last post February 18, 2025, 1925 UTC
by DBullock
0 Replies
213 Views
Last post March 26, 2024, 1849 UTC
by Ray Lalleu
0 Replies
213 Views
Last post February 04, 2024, 0846 UTC
by Ray Lalleu
2 Replies
213 Views
Last post July 22, 2023, 2314 UTC
by TRI International
2 Replies
213 Views
Last post April 13, 2025, 1320 UTC
by Benoit LEVEQUE
0 Replies
213 Views
Last post August 05, 2024, 2044 UTC
by Ray Lalleu
0 Replies
213 Views
Last post October 05, 2023, 1901 UTC
by Ray Lalleu
0 Replies
213 Views
Last post June 06, 2025, 2108 UTC
by Ray Lalleu
1 Replies
213 Views
Last post October 27, 2024, 0828 UTC
by DBullock
1 Replies
213 Views
Last post March 09, 2024, 2128 UTC
by Fisherman
0 Replies
213 Views
Last post October 01, 2023, 1841 UTC
by Ray Lalleu
1 Replies
213 Views
Last post November 24, 2024, 1808 UTC
by kris
1 Replies
213 Views
Last post March 23, 2025, 0819 UTC
by Benoit LEVEQUE

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns