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
214 Views
Last post September 19, 2025, 1928 UTC
by Panda_NL
2 Replies
296 Views
Last post June 29, 2025, 0943 UTC
by Robertas
3 Replies
522 Views
Last post September 24, 2023, 1624 UTC
by kris
1 Replies
402 Views
Last post March 19, 2023, 0936 UTC
by Ray Lalleu
0 Replies
164 Views
Last post September 19, 2025, 1901 UTC
by Robertas
3 Replies
334 Views
Last post October 18, 2025, 2005 UTC
by Ray Lalleu
1 Replies
376 Views
Last post March 19, 2023, 0934 UTC
by Ray Lalleu
0 Replies
247 Views
Last post August 15, 2025, 2108 UTC
by Robertas
4 Replies
305 Views
Last post October 12, 2025, 1730 UTC
by FOX
2 Replies
283 Views
Last post November 02, 2025, 1300 UTC
by Pascal
1 Replies
271 Views
Last post July 31, 2025, 1955 UTC
by Ray Lalleu
0 Replies
342 Views
Last post March 05, 2023, 1020 UTC
by Robertas
1 Replies
339 Views
Last post August 30, 2025, 1931 UTC
by Ray Lalleu
4 Replies
366 Views
Last post August 16, 2025, 2051 UTC
by Robertas
0 Replies
249 Views
Last post August 15, 2025, 2058 UTC
by Robertas
1 Replies
240 Views
Last post July 31, 2025, 1856 UTC
by DBullock
0 Replies
247 Views
Last post November 24, 2024, 0917 UTC
by Robertas
2 Replies
492 Views
Last post March 05, 2023, 1000 UTC
by Bali_Frank
3 Replies
505 Views
Last post August 30, 2025, 1901 UTC
by Robertas
0 Replies
325 Views
Last post March 19, 2023, 0824 UTC
by Robertas

 

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