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
6 Replies
779 Views
Last post February 18, 2023, 1136 UTC
by kris
4 Replies
596 Views
Last post October 07, 2023, 1929 UTC
by Radio Parade
4 Replies
641 Views
Last post May 26, 2022, 2110 UTC
by Radio Parade
1 Replies
389 Views
Last post March 05, 2023, 1728 UTC
by Ray Lalleu
4 Replies
731 Views
Last post September 13, 2022, 1945 UTC
by kris
6 Replies
1019 Views
Last post April 21, 2024, 1217 UTC
by Radio Parade
6 Replies
789 Views
Last post May 04, 2023, 2152 UTC
by Gino Italy
2 Replies
537 Views
Last post May 29, 2022, 1252 UTC
by Radio Parade
2 Replies
490 Views
Last post February 08, 2023, 1852 UTC
by Radio Parade
9 Replies
657 Views
Last post May 09, 2025, 2051 UTC
by Radio Parade
1 Replies
298 Views
Last post April 27, 2024, 1612 UTC
by TRI International
0 Replies
435 Views
Last post October 03, 2023, 1037 UTC
by Radio Parade
3 Replies
531 Views
Last post February 08, 2023, 1222 UTC
by Radio Parade
3 Replies
506 Views
Last post October 16, 2022, 1242 UTC
by Radio Parade
1 Replies
392 Views
Last post September 19, 2022, 2050 UTC
by Ray Lalleu
2 Replies
522 Views
Last post March 04, 2023, 1753 UTC
by Radio Parade
1 Replies
358 Views
Last post February 14, 2023, 1355 UTC
by Ray Lalleu
1 Replies
381 Views
Last post October 18, 2022, 1658 UTC
by Ray Lalleu
1 Replies
461 Views
Last post May 26, 2022, 1650 UTC
by Ray Lalleu
3 Replies
662 Views
Last post February 19, 2023, 1230 UTC
by Radio Parade

 

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