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
461 Views
Last post June 10, 2022, 1905 UTC
by kris
2 Replies
617 Views
Last post August 27, 2021, 1648 UTC
by Bali_Frank
0 Replies
371 Views
Last post December 08, 2019, 1150 UTC
by Ray Lalleu
1 Replies
595 Views
Last post September 14, 2018, 1920 UTC
by kris
0 Replies
269 Views
Last post November 16, 2024, 1117 UTC
by Ray Lalleu
1 Replies
449 Views
Last post February 02, 2021, 1541 UTC
by kris
0 Replies
397 Views
Last post March 30, 2020, 1542 UTC
by Ray Lalleu
4 Replies
691 Views
Last post May 10, 2021, 2003 UTC
by dxace1
0 Replies
680 Views
Last post August 13, 2019, 1320 UTC
by Ray Lalleu
0 Replies
255 Views
Last post August 10, 2024, 1607 UTC
by Ray Lalleu
0 Replies
385 Views
Last post July 27, 2022, 1717 UTC
by Ray Lalleu
0 Replies
463 Views
Last post November 04, 2018, 0926 UTC
by Ray Lalleu
2 Replies
211 Views
Last post October 11, 2025, 1620 UTC
by RadioDead
1 Replies
302 Views
Last post January 07, 2024, 0745 UTC
by RobRich
1 Replies
481 Views
Last post January 11, 2022, 1127 UTC
by FOX
0 Replies
339 Views
Last post May 01, 2020, 2024 UTC
by Ray Lalleu
1 Replies
570 Views
Last post April 09, 2019, 1534 UTC
by Ray Lalleu
1 Replies
348 Views
Last post April 11, 2025, 0707 UTC
by Benoit LEVEQUE
0 Replies
371 Views
Last post June 24, 2021, 2059 UTC
by Ray Lalleu
1 Replies
479 Views
Last post October 03, 2019, 1725 UTC
by dxace1

 

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