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
526 Views
Last post December 24, 2023, 1015 UTC
by Andrew Yoder
2 Replies
345 Views
Last post December 13, 2024, 1510 UTC
by dxace1
2 Replies
51 Views
Last post September 28, 2025, 1655 UTC
by Danx73
0 Replies
589 Views
Last post October 18, 2018, 2138 UTC
by Ray Lalleu
1 Replies
433 Views
Last post January 10, 2020, 1602 UTC
by kris
0 Replies
286 Views
Last post October 24, 2020, 0802 UTC
by Ray Lalleu
1 Replies
433 Views
Last post September 25, 2021, 1049 UTC
by Bali_Frank
2 Replies
531 Views
Last post July 07, 2022, 1934 UTC
by Misti-Radio
1 Replies
416 Views
Last post September 14, 2023, 2229 UTC
by N2MLP
1 Replies
273 Views
Last post July 21, 2024, 0811 UTC
by europirate
0 Replies
348 Views
Last post June 20, 2025, 2120 UTC
by Ray Lalleu
0 Replies
639 Views
Last post May 19, 2018, 2010 UTC
by Ray Lalleu
0 Replies
502 Views
Last post July 18, 2020, 0539 UTC
by Ray Lalleu
2 Replies
383 Views
Last post April 03, 2022, 1926 UTC
by dxace1
0 Replies
261 Views
Last post March 17, 2024, 2050 UTC
by Ray Lalleu
0 Replies
549 Views
Last post March 17, 2019, 1946 UTC
by Ray Lalleu
3 Replies
488 Views
Last post November 15, 2022, 1714 UTC
by kris
0 Replies
505 Views
Last post November 17, 2019, 0952 UTC
by Ray Lalleu
0 Replies
389 Views
Last post August 11, 2021, 1717 UTC
by Ray Lalleu
0 Replies
181 Views
Last post July 26, 2023, 2115 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 Mug
HFUnderground Mug
by MitchellTimeDesigns