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
1 Replies
279 Views
Last post July 23, 2023, 0909 UTC
by m3ozp1
1 Replies
279 Views
Last post September 28, 2024, 1829 UTC
by eric pyw
1 Replies
279 Views
Last post January 29, 2023, 1412 UTC
by europirate
1 Replies
279 Views
Last post October 21, 2023, 0846 UTC
by Ray Lalleu
0 Replies
279 Views
Last post March 24, 2024, 1709 UTC
by Ray Lalleu
1 Replies
279 Views
Last post November 24, 2024, 1119 UTC
by TRI International
0 Replies
279 Views
Last post July 11, 2020, 1025 UTC
by Ray Lalleu
0 Replies
279 Views
Last post December 05, 2020, 0845 UTC
by Ray Lalleu
0 Replies
279 Views
Last post October 04, 2022, 1630 UTC
by Ray Lalleu
1 Replies
279 Views
Last post August 27, 2023, 1818 UTC
by Ray Lalleu
0 Replies
279 Views
Last post June 29, 2023, 1727 UTC
by Ray Lalleu
1 Replies
279 Views
Last post April 12, 2023, 1817 UTC
by Ray Lalleu
2 Replies
279 Views
Last post April 15, 2025, 2020 UTC
by Ray Lalleu
1 Replies
279 Views
Last post August 10, 2024, 0254 UTC
by N2MLP
1 Replies
279 Views
Last post February 09, 2025, 1442 UTC
by Ray Lalleu
1 Replies
279 Views
Last post May 28, 2024, 1830 UTC
by DBullock
1 Replies
279 Views
Last post April 01, 2023, 0944 UTC
by Ray Lalleu
0 Replies
279 Views
Last post December 10, 2020, 0923 UTC
by Ray Lalleu
1 Replies
279 Views
Last post March 02, 2024, 1628 UTC
by Ray Lalleu
1 Replies
279 Views
Last post February 25, 2025, 1617 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