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
499 Views
Last post July 08, 2020, 2121 UTC
by ChrisSmolinski
2 Replies
499 Views
Last post February 13, 2023, 0253 UTC
by Zoidberg
1 Replies
499 Views
Last post September 02, 2024, 0522 UTC
by RobRich
1 Replies
499 Views
Last post January 01, 2023, 1814 UTC
by MDK2
3 Replies
499 Views
Last post December 22, 2022, 2218 UTC
by TRI International
1 Replies
499 Views
Last post September 24, 2024, 0254 UTC
by Molvania Poacher
1 Replies
499 Views
Last post August 13, 2022, 1000 UTC
by Bali_Frank
0 Replies
499 Views
Last post July 06, 2019, 1627 UTC
by ChrisSmolinski
2 Replies
499 Views
Last post September 06, 2022, 2354 UTC
by Radio Star
3 Replies
499 Views
Last post August 14, 2022, 1135 UTC
by Ct Yankee
1 Replies
499 Views
Last post July 03, 2020, 1805 UTC
by Big Badfish Al
2 Replies
498 Views
Last post October 29, 2024, 0106 UTC
by Molvania Poacher
1 Replies
498 Views
Last post January 12, 2024, 1812 UTC
by Ron Hunsicker
0 Replies
498 Views
Last post December 12, 2020, 0225 UTC
by refmo
4 Replies
498 Views
Last post December 03, 2023, 0052 UTC
by William Hassig
1 Replies
498 Views
Last post June 07, 2020, 2044 UTC
by Big Badfish Al
3 Replies
498 Views
Last post December 10, 2022, 0200 UTC
by Molvania Poacher
0 Replies
498 Views
Last post June 17, 2018, 1622 UTC
by ChrisSmolinski
0 Replies
498 Views
Last post August 01, 2021, 1434 UTC
by ChrisSmolinski
6 Replies
498 Views
Last post April 10, 2023, 0206 UTC
by N2MLP

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns