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
529 Views
Last post January 01, 2022, 1640 UTC
by Harmony
0 Replies
167 Views
Last post December 20, 2024, 1621 UTC
by Ray Lalleu
0 Replies
394 Views
Last post January 20, 2020, 1701 UTC
by Ray Lalleu
0 Replies
144 Views
Last post June 28, 2025, 1443 UTC
by Ray Lalleu
0 Replies
614 Views
Last post May 29, 2018, 1946 UTC
by Ray Lalleu
0 Replies
342 Views
Last post July 25, 2020, 1750 UTC
by Ray Lalleu
0 Replies
319 Views
Last post April 09, 2022, 1655 UTC
by Ray Lalleu
0 Replies
217 Views
Last post March 24, 2024, 0854 UTC
by Ray Lalleu
0 Replies
441 Views
Last post March 26, 2019, 2344 UTC
by Ray Lalleu
1 Replies
282 Views
Last post November 07, 2024, 1702 UTC
by dxace1
0 Replies
509 Views
Last post October 25, 2018, 1403 UTC
by Ray Lalleu
0 Replies
497 Views
Last post November 25, 2019, 1625 UTC
by Ray Lalleu
0 Replies
363 Views
Last post October 29, 2020, 0945 UTC
by Ray Lalleu
0 Replies
402 Views
Last post August 18, 2021, 1829 UTC
by Ray Lalleu
0 Replies
381 Views
Last post July 15, 2022, 2005 UTC
by Ray Lalleu
1 Replies
307 Views
Last post August 01, 2023, 2208 UTC
by N2MLP
1 Replies
282 Views
Last post July 28, 2024, 0846 UTC
by Fisherman
0 Replies
721 Views
Last post July 31, 2019, 2122 UTC
by Ray Lalleu
0 Replies
362 Views
Last post June 10, 2020, 1941 UTC
by Ray Lalleu
1 Replies
387 Views
Last post May 01, 2021, 1857 UTC
by Bali_Frank

 

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