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
445 Views
Last post December 09, 2018, 1348 UTC
by Ray Lalleu
1 Replies
101 Views
Last post October 26, 2025, 1647 UTC
by europirate
0 Replies
203 Views
Last post December 09, 2024, 1553 UTC
by Ray Lalleu
1 Replies
514 Views
Last post February 05, 2022, 2204 UTC
by kris
0 Replies
400 Views
Last post February 23, 2021, 1637 UTC
by Ray Lalleu
0 Replies
547 Views
Last post May 20, 2020, 1528 UTC
by Ray Lalleu
1 Replies
453 Views
Last post May 02, 2019, 2057 UTC
by kris
0 Replies
191 Views
Last post July 02, 2023, 1541 UTC
by Ray Lalleu
0 Replies
633 Views
Last post May 08, 2022, 1959 UTC
by Ray Lalleu
0 Replies
419 Views
Last post August 30, 2020, 2005 UTC
by Ray Lalleu
0 Replies
477 Views
Last post July 23, 2018, 1840 UTC
by Ray Lalleu
0 Replies
182 Views
Last post August 07, 2025, 2245 UTC
by Ray Lalleu
0 Replies
371 Views
Last post October 26, 2023, 1433 UTC
by Ray Lalleu
0 Replies
189 Views
Last post January 26, 2025, 0849 UTC
by Ray Lalleu
0 Replies
286 Views
Last post March 07, 2023, 1758 UTC
by Ray Lalleu
0 Replies
391 Views
Last post April 06, 2021, 1330 UTC
by Ray Lalleu
6 Replies
1250 Views
Last post June 26, 2019, 1233 UTC
by The Ether Hacker
0 Replies
436 Views
Last post June 18, 2022, 2250 UTC
by Ray Lalleu
1 Replies
522 Views
Last post July 20, 2021, 2119 UTC
by kris
0 Replies
442 Views
Last post October 05, 2020, 1708 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