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
220 Views
Last post April 06, 2023, 1910 UTC
by Ray Lalleu
0 Replies
220 Views
Last post September 14, 2024, 1513 UTC
by dxace1
0 Replies
220 Views
Last post April 30, 2024, 1641 UTC
by Ray Lalleu
1 Replies
220 Views
Last post January 19, 2025, 1107 UTC
by Ray Lalleu
0 Replies
220 Views
Last post April 13, 2023, 1920 UTC
by Ray Lalleu
0 Replies
220 Views
Last post December 02, 2024, 1712 UTC
by Ray Lalleu
0 Replies
220 Views
Last post February 04, 2025, 1341 UTC
by Ray Lalleu
0 Replies
220 Views
Last post October 15, 2023, 1332 UTC
by Ray Lalleu
0 Replies
220 Views
Last post February 16, 2024, 1750 UTC
by Ray Lalleu
0 Replies
220 Views
Last post June 13, 2023, 2247 UTC
by Ray Lalleu
1 Replies
220 Views
Last post January 29, 2025, 2056 UTC
by Ray Lalleu
0 Replies
220 Views
Last post April 25, 2024, 1556 UTC
by Ray Lalleu
0 Replies
220 Views
Last post December 03, 2022, 1022 UTC
by Ray Lalleu
3 Replies
220 Views
Last post December 25, 2024, 1033 UTC
by TRI International
1 Replies
220 Views
Last post March 04, 2025, 1529 UTC
by Benoit LEVEQUE
1 Replies
220 Views
Last post August 10, 2024, 1405 UTC
by Ray Lalleu
0 Replies
220 Views
Last post April 21, 2023, 1406 UTC
by Ray Lalleu
1 Replies
220 Views
Last post January 11, 2025, 1506 UTC
by Ray Lalleu
0 Replies
220 Views
Last post February 23, 2023, 1105 UTC
by Ray Lalleu
0 Replies
220 Views
Last post January 21, 2023, 0910 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