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
590 Views
Last post April 18, 2020, 1949 UTC
by kris
0 Replies
413 Views
Last post December 28, 2021, 0743 UTC
by Ray Lalleu
1 Replies
331 Views
Last post January 20, 2023, 1331 UTC
by RainBrandy
0 Replies
200 Views
Last post December 13, 2024, 1749 UTC
by Ray Lalleu
1 Replies
563 Views
Last post October 19, 2018, 1708 UTC
by dxace1
0 Replies
355 Views
Last post January 11, 2020, 0836 UTC
by Ray Lalleu
0 Replies
306 Views
Last post October 24, 2020, 1045 UTC
by Ray Lalleu
0 Replies
395 Views
Last post September 25, 2021, 1336 UTC
by Ray Lalleu
0 Replies
468 Views
Last post July 08, 2022, 1702 UTC
by Ray Lalleu
3 Replies
437 Views
Last post September 15, 2023, 1831 UTC
by Ray Lalleu
0 Replies
209 Views
Last post July 21, 2024, 0855 UTC
by Ray Lalleu
0 Replies
310 Views
Last post June 20, 2025, 2337 UTC
by Ray Lalleu
1 Replies
460 Views
Last post July 16, 2019, 1731 UTC
by texas1dxer
0 Replies
335 Views
Last post July 18, 2020, 0806 UTC
by Ray Lalleu
1 Replies
429 Views
Last post April 03, 2022, 2109 UTC
by kris
0 Replies
276 Views
Last post March 18, 2024, 1534 UTC
by Ray Lalleu
0 Replies
430 Views
Last post March 17, 2019, 2127 UTC
by Ray Lalleu
0 Replies
378 Views
Last post January 19, 2021, 1138 UTC
by Ray Lalleu
0 Replies
220 Views
Last post November 16, 2022, 2256 UTC
by Ray Lalleu
0 Replies
242 Views
Last post November 02, 2024, 1700 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