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
3 Replies
7728 Views
Last post January 24, 2023, 0011 UTC
by skeezix
3 Replies
6127 Views
Last post April 09, 2022, 1558 UTC
by skeezix
0 Replies
5765 Views
Last post October 29, 2021, 1412 UTC
by skeezix
0 Replies
5936 Views
Last post July 01, 2020, 2213 UTC
by skeezix
10 Replies
15958 Views
Last post June 30, 2020, 1811 UTC
by skeezix
0 Replies
8702 Views
Last post January 03, 2019, 1315 UTC
by ChrisSmolinski
0 Replies
9083 Views
Last post February 15, 2018, 1858 UTC
by ChrisSmolinski
0 Replies
10847 Views
Last post December 26, 2016, 1955 UTC
by ChrisSmolinski
0 Replies
55 Views
Last post July 09, 2025, 1706 UTC
by skeezix
0 Replies
346 Views
Last post July 03, 2025, 1333 UTC
by skeezix
0 Replies
354 Views
Last post July 02, 2025, 1517 UTC
by skeezix
0 Replies
684 Views
Last post June 25, 2025, 1627 UTC
by skeezix
0 Replies
611 Views
Last post June 24, 2025, 2251 UTC
by skeezix
0 Replies
1523 Views
Last post June 16, 2025, 1854 UTC
by skeezix
0 Replies
1577 Views
Last post June 05, 2025, 1444 UTC
by skeezix
0 Replies
2078 Views
Last post June 02, 2025, 1307 UTC
by skeezix
0 Replies
1546 Views
Last post May 31, 2025, 1321 UTC
by skeezix
0 Replies
1542 Views
Last post May 29, 2025, 1332 UTC
by skeezix
0 Replies
1614 Views
Last post May 17, 2025, 1530 UTC
by skeezix
0 Replies
2151 Views
Last post May 14, 2025, 1308 UTC
by skeezix

 

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