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
159 Views
Last post September 10, 2023, 1832 UTC
by Ray Lalleu
0 Replies
260 Views
Last post March 28, 2024, 1154 UTC
by europirate
0 Replies
240 Views
Last post April 06, 2024, 1827 UTC
by Benoit LEVEQUE
0 Replies
341 Views
Last post May 04, 2022, 1328 UTC
by Ray Lalleu
0 Replies
188 Views
Last post October 22, 2022, 0738 UTC
by Ray Lalleu
2 Replies
668 Views
Last post December 30, 2023, 1126 UTC
by kris
3 Replies
601 Views
Last post July 25, 2021, 1236 UTC
by ~SIGINT~
3 Replies
674 Views
Last post July 24, 2021, 2101 UTC
by Ronald_Mullis
3 Replies
398 Views
Last post April 01, 2024, 1309 UTC
by europirate
1 Replies
236 Views
Last post September 15, 2023, 2055 UTC
by kris
0 Replies
431 Views
Last post April 11, 2021, 1310 UTC
by Bali_Frank
0 Replies
366 Views
Last post December 01, 2020, 1219 UTC
by FOX
2 Replies
502 Views
Last post April 11, 2021, 2032 UTC
by kris
0 Replies
364 Views
Last post December 06, 2020, 1250 UTC
by FOX
1 Replies
479 Views
Last post April 02, 2022, 0930 UTC
by Ray Lalleu
1 Replies
536 Views
Last post January 28, 2024, 1606 UTC
by RainBrandy
2 Replies
358 Views
Last post May 17, 2024, 2014 UTC
by Ray Lalleu
3 Replies
385 Views
Last post August 15, 2024, 2050 UTC
by G0ORC
1 Replies
218 Views
Last post November 03, 2024, 1833 UTC
by miamigo
0 Replies
240 Views
Last post September 14, 2023, 1854 UTC
by FOX

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns