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
3 Replies
671 Views
Last post May 08, 2021, 2245 UTC
by The Vault Keeper
3 Replies
671 Views
Last post August 24, 2019, 2151 UTC
by Jock Wilson
0 Replies
671 Views
Last post January 08, 2019, 1143 UTC
by Ray Lalleu
1 Replies
671 Views
Last post November 04, 2018, 1149 UTC
by John Vinther Nielsen
3 Replies
670 Views
Last post February 12, 2021, 2303 UTC
by ChrisSmolinski
4 Replies
670 Views
Last post February 12, 2024, 1654 UTC
by Ray Lalleu
4 Replies
670 Views
Last post April 08, 2025, 0732 UTC
by Benoit LEVEQUE
1 Replies
670 Views
Last post January 22, 2024, 1649 UTC
by Fisherman
1 Replies
670 Views
Last post April 23, 2023, 1358 UTC
by Ray Lalleu
2 Replies
670 Views
Last post September 27, 2020, 2254 UTC
by Skipmuck
4 Replies
670 Views
Last post June 12, 2022, 0027 UTC
by Panda_NL
3 Replies
670 Views
Last post April 29, 2022, 2317 UTC
by Shortwave_Listener
3 Replies
670 Views
Last post November 19, 2020, 1939 UTC
by FOX
2 Replies
670 Views
Last post November 08, 2020, 0125 UTC
by radiogaga
1 Replies
670 Views
Last post November 20, 2021, 2204 UTC
by Nick B.
3 Replies
670 Views
Last post March 06, 2022, 0729 UTC
by Vladimir Doroshenko
2 Replies
670 Views
Last post September 08, 2020, 2238 UTC
by Jock Wilson
1 Replies
670 Views
Last post May 01, 2021, 1831 UTC
by Ray Lalleu
1 Replies
670 Views
Last post February 07, 2019, 2159 UTC
by Skipmuck
4 Replies
670 Views
Last post December 06, 2021, 0431 UTC
by Ray Lalleu

 

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