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
2 Replies
497 Views
Last post February 24, 2024, 0503 UTC
by RobRich
3 Replies
517 Views
Last post April 04, 2025, 2127 UTC
by kris
1 Replies
338 Views
Last post March 22, 2024, 2210 UTC
by N2MLP
2 Replies
346 Views
Last post October 19, 2024, 2115 UTC
by N2MLP
2 Replies
378 Views
Last post March 18, 2024, 0150 UTC
by n2avh
2 Replies
651 Views
Last post July 07, 2024, 2057 UTC
by europirate
2 Replies
553 Views
Last post November 05, 2023, 0138 UTC
by ChrisLobdell
1 Replies
480 Views
Last post June 05, 2025, 2041 UTC
by europirate
2 Replies
360 Views
Last post October 01, 2023, 0331 UTC
by ChrisLobdell
2 Replies
385 Views
Last post March 14, 2025, 2330 UTC
by N2MLP
2 Replies
456 Views
Last post February 12, 2024, 0008 UTC
by N2MLP
2 Replies
378 Views
Last post June 02, 2024, 2322 UTC
by RobRich
0 Replies
253 Views
Last post December 10, 2022, 1959 UTC
by Ray Lalleu
2 Replies
512 Views
Last post November 11, 2023, 0035 UTC
by RobRich
2 Replies
250 Views
Last post February 08, 2025, 2141 UTC
by N2MLP
0 Replies
334 Views
Last post November 11, 2023, 1942 UTC
by Ray Lalleu
0 Replies
252 Views
Last post July 14, 2024, 1937 UTC
by Ray Lalleu
1 Replies
255 Views
Last post November 10, 2024, 2001 UTC
by europirate
2 Replies
637 Views
Last post November 17, 2023, 2213 UTC
by N2MLP
1 Replies
402 Views
Last post October 07, 2023, 0243 UTC
by N2MLP

 

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