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
1 Replies
269 Views
Last post April 27, 2024, 2337 UTC
by Panda_NL
1 Replies
644 Views
Last post April 23, 2024, 2033 UTC
by Gino Italy
0 Replies
213 Views
Last post April 09, 2023, 1515 UTC
by Ray Lalleu
2 Replies
485 Views
Last post July 20, 2021, 2040 UTC
by Pravotorov
0 Replies
218 Views
Last post December 04, 2022, 1503 UTC
by Ray Lalleu
0 Replies
389 Views
Last post October 21, 2018, 1423 UTC
by Ray Lalleu
1 Replies
346 Views
Last post June 22, 2021, 2006 UTC
by kris
1 Replies
405 Views
Last post August 02, 2021, 2022 UTC
by Bali_Frank
1 Replies
401 Views
Last post June 20, 2021, 2021 UTC
by kris
0 Replies
325 Views
Last post June 08, 2021, 1825 UTC
by Ray Lalleu
1 Replies
483 Views
Last post June 02, 2021, 1840 UTC
by Ray Lalleu
0 Replies
341 Views
Last post August 18, 2021, 2032 UTC
by Ray Lalleu
0 Replies
195 Views
Last post February 12, 2023, 1709 UTC
by Ray Lalleu
2 Replies
283 Views
Last post March 19, 2023, 1851 UTC
by FOX
0 Replies
374 Views
Last post March 21, 2020, 1401 UTC
by dandan22
0 Replies
106 Views
Last post May 21, 2025, 0705 UTC
by Benoit LEVEQUE
1 Replies
236 Views
Last post October 07, 2023, 2029 UTC
by Ray Lalleu
0 Replies
159 Views
Last post November 17, 2024, 1418 UTC
by Ray Lalleu
0 Replies
360 Views
Last post September 14, 2021, 1933 UTC
by Ray Lalleu
1 Replies
552 Views
Last post December 02, 2018, 1319 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