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
0 Replies
386 Views
Last post February 05, 2022, 1621 UTC
by Ray Lalleu
0 Replies
392 Views
Last post February 21, 2021, 1754 UTC
by Ray Lalleu
2 Replies
630 Views
Last post May 01, 2019, 1703 UTC
by dandan22
0 Replies
87 Views
Last post April 30, 2025, 2010 UTC
by Ray Lalleu
2 Replies
218 Views
Last post April 28, 2024, 1852 UTC
by DBullock
0 Replies
394 Views
Last post May 08, 2022, 1825 UTC
by Ray Lalleu
1 Replies
483 Views
Last post July 22, 2018, 1721 UTC
by Ray Lalleu
0 Replies
402 Views
Last post October 25, 2023, 1702 UTC
by Ray Lalleu
1 Replies
520 Views
Last post November 01, 2021, 1807 UTC
by kris
3 Replies
597 Views
Last post March 01, 2020, 1738 UTC
by FOX
0 Replies
113 Views
Last post January 25, 2025, 1622 UTC
by Ray Lalleu
0 Replies
207 Views
Last post March 06, 2023, 1548 UTC
by Ray Lalleu
1 Replies
414 Views
Last post April 05, 2021, 1408 UTC
by F-10255
1 Replies
478 Views
Last post June 23, 2019, 2121 UTC
by kris
1 Replies
273 Views
Last post June 28, 2024, 2338 UTC
by Panda_NL
2 Replies
870 Views
Last post September 26, 2018, 2315 UTC
by ChrisSmolinski
0 Replies
253 Views
Last post December 04, 2023, 1727 UTC
by Ray Lalleu
1 Replies
237 Views
Last post October 23, 2022, 1639 UTC
by Bali_Frank
0 Replies
393 Views
Last post April 05, 2020, 1608 UTC
by Ray Lalleu
0 Replies
418 Views
Last post February 17, 2019, 1958 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