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
4 Replies
1474 Views
Last post February 19, 2021, 2304 UTC
by Skipmuck
0 Replies
735 Views
Last post October 15, 2024, 1009 UTC
by ChrisSmolinski
0 Replies
949 Views
Last post April 11, 2021, 1515 UTC
by ChrisSmolinski
0 Replies
1161 Views
Last post November 12, 2021, 2250 UTC
by ChrisSmolinski
0 Replies
652 Views
Last post May 24, 2025, 1710 UTC
by ChrisSmolinski
2 Replies
18261 Views
Last post August 31, 2019, 1750 UTC
by ChrisSmolinski
2 Replies
797 Views
Last post August 31, 2023, 1546 UTC
by ChrisSmolinski
0 Replies
2931 Views
Last post November 25, 2010, 2103 UTC
by ChrisSmolinski
0 Replies
869 Views
Last post December 08, 2023, 1938 UTC
by ChrisSmolinski
0 Replies
1055 Views
Last post September 30, 2020, 2207 UTC
by ChrisSmolinski
0 Replies
692 Views
Last post February 20, 2024, 1228 UTC
by ChrisSmolinski
0 Replies
795 Views
Last post May 27, 2024, 2055 UTC
by ChrisSmolinski
0 Replies
812 Views
Last post October 18, 2024, 1413 UTC
by ChrisSmolinski
0 Replies
778 Views
Last post December 15, 2024, 1333 UTC
by ChrisSmolinski
0 Replies
1502 Views
Last post November 21, 2021, 2321 UTC
by ChrisSmolinski
1 Replies
943 Views
Last post April 18, 2023, 0918 UTC
by TRI International
0 Replies
663 Views
Last post May 30, 2025, 1305 UTC
by ChrisSmolinski
0 Replies
1383 Views
Last post September 09, 2019, 1445 UTC
by ChrisSmolinski
0 Replies
1136 Views
Last post January 08, 2020, 2336 UTC
by ChrisSmolinski
0 Replies
738 Views
Last post December 09, 2023, 1656 UTC
by ChrisSmolinski

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns