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
271 Views
Last post November 24, 2024, 1941 UTC
by abradox
0 Replies
432 Views
Last post November 04, 2023, 1101 UTC
by prldx
0 Replies
393 Views
Last post November 05, 2023, 1352 UTC
by prldx
0 Replies
1181 Views
Last post November 13, 2015, 1723 UTC
by prldx
0 Replies
1202 Views
Last post November 15, 2015, 1545 UTC
by prldx
0 Replies
186 Views
Last post November 02, 2024, 1052 UTC
by prldx
2 Replies
2175 Views
Last post November 17, 2015, 1202 UTC
by prldx
7 Replies
1349 Views
Last post November 01, 2022, 1158 UTC
by R4002
0 Replies
126 Views
Last post November 03, 2024, 1651 UTC
by prldx
0 Replies
302 Views
Last post December 01, 2024, 1907 UTC
by prldx
0 Replies
424 Views
Last post November 12, 2023, 1423 UTC
by prldx
0 Replies
392 Views
Last post November 19, 2023, 1748 UTC
by prldx
0 Replies
684 Views
Last post February 19, 2023, 1613 UTC
by prldx
3 Replies
1654 Views
Last post October 09, 2021, 0044 UTC
by ~SIGINT~
0 Replies
535 Views
Last post October 07, 2021, 2355 UTC
by PTR11EXP
5 Replies
1487 Views
Last post May 14, 2019, 2226 UTC
by shadypyro
0 Replies
187 Views
Last post November 08, 2024, 1233 UTC
by R4002
0 Replies
2517 Views
Last post July 18, 2019, 2114 UTC
by R4002
0 Replies
1637 Views
Last post July 14, 2017, 1910 UTC
by R4002
0 Replies
327 Views
Last post November 28, 2023, 2059 UTC
by R4002

 

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