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
0 Replies
164 Views
Last post November 11, 2024, 1136 UTC
by Ray Lalleu
0 Replies
175 Views
Last post November 17, 2024, 1145 UTC
by Ray Lalleu
0 Replies
143 Views
Last post December 31, 2024, 1157 UTC
by Ray Lalleu
0 Replies
226 Views
Last post October 25, 2024, 1313 UTC
by Ray Lalleu
1 Replies
240 Views
Last post May 28, 2024, 1830 UTC
by DBullock
0 Replies
134 Views
Last post December 10, 2024, 1353 UTC
by Ray Lalleu
0 Replies
117 Views
Last post December 08, 2024, 1329 UTC
by Ray Lalleu
0 Replies
141 Views
Last post March 14, 2025, 1331 UTC
by Ray Lalleu
0 Replies
246 Views
Last post February 09, 2024, 1444 UTC
by Ray Lalleu
0 Replies
187 Views
Last post September 30, 2023, 1358 UTC
by Ray Lalleu
0 Replies
241 Views
Last post October 21, 2024, 1500 UTC
by Ray Lalleu
0 Replies
150 Views
Last post July 26, 2023, 1629 UTC
by Ray Lalleu
0 Replies
146 Views
Last post March 04, 2025, 1526 UTC
by Ray Lalleu
0 Replies
83 Views
Last post May 12, 2025, 1524 UTC
by Ray Lalleu
0 Replies
164 Views
Last post October 22, 2024, 1604 UTC
by Ray Lalleu
1 Replies
124 Views
Last post November 18, 2024, 1538 UTC
by TRI International
0 Replies
166 Views
Last post September 07, 2024, 1613 UTC
by Ray Lalleu
1 Replies
244 Views
Last post June 02, 2024, 1502 UTC
by Benoit LEVEQUE
0 Replies
275 Views
Last post June 24, 2024, 2120 UTC
by Ray Lalleu
1 Replies
233 Views
Last post July 05, 2023, 1601 UTC
by europirate

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns