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
7 Replies
1818 Views
Last post March 28, 2016, 2330 UTC
by MDK2
6 Replies
1042 Views
Last post November 12, 2024, 0238 UTC
by TheHappyWanker
9 Replies
434 Views
Last post January 17, 2026, 0314 UTC
by Quasar
3 Replies
939 Views
Last post March 04, 2023, 0500 UTC
by hsmith77
4 Replies
2825 Views
Last post December 24, 2013, 2311 UTC
by refmo
11 Replies
1439 Views
Last post July 28, 2024, 0157 UTC
by Sealord
1 Replies
1243 Views
Last post November 10, 2011, 2353 UTC
by Fansome
14 Replies
931 Views
Last post October 04, 2025, 0320 UTC
by caodwolf
8 Replies
1749 Views
Last post December 12, 2023, 0246 UTC
by Markokpik
5 Replies
813 Views
Last post November 30, 2024, 0206 UTC
by N2MLP
0 Replies
1397 Views
Last post May 16, 2010, 1529 UTC
by myteaquinn
4 Replies
1214 Views
Last post March 20, 2016, 1347 UTC
by jFarley
10 Replies
471 Views
Last post January 10, 2026, 0204 UTC
by Markokpik
0 Replies
842 Views
Last post December 06, 2020, 0258 UTC
by myteaquinn
12 Replies
1502 Views
Last post May 29, 2022, 0224 UTC
by dxwingr
5 Replies
1646 Views
Last post August 26, 2019, 1941 UTC
by aurora
14 Replies
4168 Views
Last post November 28, 2024, 0407 UTC
by Syck0
1 Replies
1376 Views
Last post December 26, 2015, 0403 UTC
by JoeFLIPS
10 Replies
1563 Views
Last post February 20, 2022, 0421 UTC
by canswl
2 Replies
555 Views
Last post February 21, 2023, 0118 UTC
by Sky Waves

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns