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
456 Views
Last post November 07, 2021, 1450 UTC
by Bali_Frank
2 Replies
536 Views
Last post March 27, 2021, 2011 UTC
by ZPR
1 Replies
400 Views
Last post May 10, 2020, 1447 UTC
by Ray Lalleu
2 Replies
444 Views
Last post November 14, 2020, 1935 UTC
by Ray Lalleu
0 Replies
453 Views
Last post March 26, 2021, 1838 UTC
by dxace1
1 Replies
536 Views
Last post November 04, 2021, 1648 UTC
by Ray Lalleu
1 Replies
509 Views
Last post April 20, 2019, 1841 UTC
by Ray Lalleu
6 Replies
1297 Views
Last post September 10, 2019, 1902 UTC
by KaySeeks
1 Replies
503 Views
Last post May 01, 2019, 1819 UTC
by Ray Lalleu
1 Replies
542 Views
Last post June 24, 2019, 1941 UTC
by Ray Lalleu
0 Replies
415 Views
Last post May 22, 2022, 1446 UTC
by dxace1
2 Replies
564 Views
Last post April 01, 2022, 1437 UTC
by Bali_Frank
2 Replies
515 Views
Last post April 04, 2020, 1927 UTC
by FOX
0 Replies
143 Views
Last post February 20, 2025, 1421 UTC
by dxace1
2 Replies
680 Views
Last post August 03, 2019, 2028 UTC
by Ray Lalleu
1 Replies
556 Views
Last post December 27, 2018, 1957 UTC
by Ray Lalleu
4 Replies
899 Views
Last post October 10, 2018, 1932 UTC
by dxace1
1 Replies
618 Views
Last post April 14, 2019, 1651 UTC
by Ray Lalleu
2 Replies
343 Views
Last post October 04, 2024, 2023 UTC
by Ray Lalleu
4 Replies
641 Views
Last post May 14, 2024, 1402 UTC
by Benoit LEVEQUE

 

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