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
462 Views
Last post October 22, 2018, 1725 UTC
by Ray Lalleu
2 Replies
507 Views
Last post November 23, 2019, 2032 UTC
by Ray Lalleu
2 Replies
497 Views
Last post October 26, 2020, 2303 UTC
by ddasty
0 Replies
166 Views
Last post July 31, 2023, 0752 UTC
by Ray Lalleu
0 Replies
205 Views
Last post July 27, 2024, 0840 UTC
by Ray Lalleu
0 Replies
66 Views
Last post May 18, 2025, 1630 UTC
by Ray Lalleu
0 Replies
279 Views
Last post June 08, 2020, 1447 UTC
by Ray Lalleu
0 Replies
378 Views
Last post April 30, 2021, 1828 UTC
by Ray Lalleu
0 Replies
348 Views
Last post March 02, 2022, 1941 UTC
by Ray Lalleu
0 Replies
201 Views
Last post April 01, 2023, 1645 UTC
by Ray Lalleu
1 Replies
212 Views
Last post February 16, 2025, 1800 UTC
by dxace1
0 Replies
328 Views
Last post March 21, 2020, 1935 UTC
by Ray Lalleu
0 Replies
457 Views
Last post August 28, 2018, 1927 UTC
by Ray Lalleu
2 Replies
479 Views
Last post May 31, 2022, 0325 UTC
by Shortwave_Listener
0 Replies
165 Views
Last post June 01, 2024, 1434 UTC
by Ray Lalleu
0 Replies
385 Views
Last post March 17, 2021, 1008 UTC
by Ray Lalleu
1 Replies
209 Views
Last post December 31, 2024, 1118 UTC
by prldx
0 Replies
409 Views
Last post January 13, 2019, 1359 UTC
by Ray Lalleu
2 Replies
478 Views
Last post February 06, 2020, 2335 UTC
by kris
1 Replies
375 Views
Last post December 16, 2020, 1506 UTC
by kris

 

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