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
345 Views
Last post October 12, 2023, 1351 UTC
by TRI International
0 Replies
345 Views
Last post March 28, 2023, 0028 UTC
by East Troy Don
0 Replies
345 Views
Last post February 02, 2023, 1111 UTC
by TRI International
0 Replies
345 Views
Last post January 26, 2025, 1327 UTC
by SWLQSL
0 Replies
345 Views
Last post November 11, 2023, 0922 UTC
by TRI International
0 Replies
346 Views
Last post October 22, 2023, 1003 UTC
by TRI International
0 Replies
346 Views
Last post October 06, 2022, 2026 UTC
by Ct Yankee
0 Replies
346 Views
Last post October 14, 2023, 2023 UTC
by Paul65
0 Replies
346 Views
Last post October 09, 2022, 2222 UTC
by TRI International
0 Replies
346 Views
Last post January 07, 2024, 1223 UTC
by RobRich
0 Replies
346 Views
Last post November 13, 2023, 1212 UTC
by TRI International
0 Replies
346 Views
Last post November 24, 2022, 1024 UTC
by Ct Yankee
0 Replies
346 Views
Last post September 18, 2023, 2229 UTC
by flexoman61
0 Replies
346 Views
Last post May 09, 2023, 0408 UTC
by Shortwave_Listener
0 Replies
346 Views
Last post October 10, 2023, 1000 UTC
by TRI International
0 Replies
347 Views
Last post August 04, 2024, 1349 UTC
by N2MLP
0 Replies
347 Views
Last post February 24, 2025, 1102 UTC
by SWLQSL
0 Replies
347 Views
Last post August 24, 2024, 1537 UTC
by N2MLP
1 Replies
347 Views
Last post July 17, 2023, 0447 UTC
by Shortwave_Listener
0 Replies
347 Views
Last post April 28, 2024, 1852 UTC
by Paul B. Walker, Jr.

 

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