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
323 Views
Last post April 18, 2022, 1116 UTC
by TRI International
1 Replies
444 Views
Last post May 16, 2021, 1845 UTC
by kris
3 Replies
468 Views
Last post November 14, 2021, 1505 UTC
by kris
2 Replies
440 Views
Last post April 02, 2022, 1613 UTC
by Magnitic
0 Replies
341 Views
Last post November 15, 2021, 2143 UTC
by TRI International
1 Replies
356 Views
Last post February 06, 2022, 1342 UTC
by Ray Lalleu
0 Replies
58 Views
Last post July 21, 2024, 1002 UTC
by TRI International
0 Replies
274 Views
Last post February 28, 2021, 1021 UTC
by TRI International
2 Replies
299 Views
Last post March 22, 2024, 2109 UTC
by kris
2 Replies
467 Views
Last post December 11, 2021, 0937 UTC
by Grey Fox
0 Replies
127 Views
Last post October 22, 2023, 1034 UTC
by TRI International
0 Replies
146 Views
Last post February 10, 2024, 1017 UTC
by TRI International
1 Replies
93 Views
Last post December 29, 2023, 1549 UTC
by Ray Lalleu
2 Replies
219 Views
Last post March 17, 2024, 1638 UTC
by FOX
0 Replies
276 Views
Last post June 25, 2022, 0745 UTC
by TRI International
0 Replies
382 Views
Last post March 16, 2021, 1450 UTC
by TRI International
2 Replies
406 Views
Last post November 30, 2023, 1151 UTC
by Ray Lalleu
1 Replies
452 Views
Last post December 11, 2021, 0847 UTC
by Ray Lalleu
0 Replies
118 Views
Last post October 22, 2023, 1040 UTC
by TRI International
2 Replies
413 Views
Last post December 25, 2021, 0002 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 House Flag
by MitchellTimeDesigns