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
0 Replies
305 Views
Last post April 07, 2022, 1019 UTC
by Ray Lalleu
0 Replies
225 Views
Last post April 04, 2023, 2252 UTC
by Ray Lalleu
0 Replies
279 Views
Last post April 20, 2021, 1923 UTC
by Ray Lalleu
0 Replies
449 Views
Last post December 01, 2018, 1007 UTC
by Ray Lalleu
0 Replies
175 Views
Last post July 13, 2023, 2145 UTC
by Shortwave_Listener
0 Replies
253 Views
Last post September 12, 2022, 0456 UTC
by Ray Lalleu
0 Replies
358 Views
Last post August 23, 2021, 1055 UTC
by Ray Lalleu
0 Replies
209 Views
Last post December 10, 2022, 0109 UTC
by Skipmuck
0 Replies
199 Views
Last post March 17, 2024, 2050 UTC
by Ray Lalleu
0 Replies
239 Views
Last post May 26, 2023, 0102 UTC
by Skipmuck
0 Replies
358 Views
Last post October 30, 2023, 1623 UTC
by Ray Lalleu
0 Replies
365 Views
Last post October 08, 2019, 2147 UTC
by Ray Lalleu
0 Replies
290 Views
Last post March 19, 2023, 2319 UTC
by Skipmuck
0 Replies
239 Views
Last post September 17, 2022, 2313 UTC
by Shortwave_Listener
0 Replies
282 Views
Last post September 02, 2022, 0510 UTC
by Skipmuck
0 Replies
283 Views
Last post November 01, 2023, 0037 UTC
by Skipmuck
0 Replies
391 Views
Last post September 15, 2019, 2025 UTC
by Ray Lalleu
0 Replies
198 Views
Last post November 06, 2022, 0024 UTC
by Ray Lalleu
0 Replies
169 Views
Last post October 20, 2024, 1941 UTC
by Shortwave_Listener
0 Replies
198 Views
Last post June 10, 2024, 1456 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