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
220 Views
Last post March 25, 2025, 2015 UTC
by James_Calais
0 Replies
191 Views
Last post May 14, 2023, 0758 UTC
by Ray Lalleu
1 Replies
400 Views
Last post June 06, 2021, 1625 UTC
by Bali_Frank
2 Replies
533 Views
Last post September 14, 2019, 1422 UTC
by Ray Lalleu
0 Replies
231 Views
Last post September 03, 2022, 1724 UTC
by Ray Lalleu
0 Replies
262 Views
Last post November 29, 2020, 0806 UTC
by Ray Lalleu
0 Replies
432 Views
Last post December 16, 2018, 1005 UTC
by Ray Lalleu
0 Replies
245 Views
Last post January 30, 2024, 1922 UTC
by Ray Lalleu
1 Replies
458 Views
Last post May 22, 2020, 1841 UTC
by FOX
2 Replies
595 Views
Last post May 05, 2019, 2320 UTC
by Skipmuck
0 Replies
141 Views
Last post May 05, 2024, 0745 UTC
by Ray Lalleu
1 Replies
182 Views
Last post July 18, 2023, 2359 UTC
by N2MLP
0 Replies
285 Views
Last post September 02, 2020, 2057 UTC
by Ray Lalleu
0 Replies
365 Views
Last post November 01, 2019, 1919 UTC
by Ray Lalleu
0 Replies
274 Views
Last post October 29, 2023, 0813 UTC
by Ray Lalleu
0 Replies
347 Views
Last post March 06, 2020, 1800 UTC
by Ray Lalleu
1 Replies
195 Views
Last post February 01, 2025, 0908 UTC
by PATRICE D PRIVAT
1 Replies
254 Views
Last post March 12, 2023, 1336 UTC
by Magnitic
2 Replies
558 Views
Last post June 29, 2019, 1809 UTC
by Brian
0 Replies
178 Views
Last post July 03, 2024, 2030 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 House Flag
by MitchellTimeDesigns