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
5 Replies
2180 Views
Last post January 22, 2017, 1532 UTC
by ChrisSmolinski
1 Replies
904 Views
Last post April 04, 2016, 0005 UTC
by ChrisSmolinski
20 Replies
1767 Views
Last post September 16, 2022, 0128 UTC
by Zoidberg
11 Replies
1373 Views
Last post April 30, 2022, 2259 UTC
by ChrisLobdell
1 Replies
750 Views
Last post October 14, 2016, 2337 UTC
by ChrisLobdell
3 Replies
962 Views
Last post July 18, 2018, 0207 UTC
by Pigmeat
8 Replies
3180 Views
Last post June 20, 2015, 1624 UTC
by ChrisSmolinski
5 Replies
728 Views
Last post September 10, 2021, 2218 UTC
by Bali_Frank
1 Replies
325 Views
Last post February 12, 2023, 2132 UTC
by ChrisLobdell
2 Replies
818 Views
Last post May 02, 2021, 2021 UTC
by TRI International
12 Replies
1912 Views
Last post October 19, 2021, 1945 UTC
by hsmith77
0 Replies
613 Views
Last post January 28, 2017, 2334 UTC
by Skipmuck
3 Replies
1077 Views
Last post April 10, 2016, 1153 UTC
by Skipmuck
6 Replies
1686 Views
Last post January 12, 2016, 0108 UTC
by Yankee Charlie
4 Replies
777 Views
Last post May 08, 2022, 0138 UTC
by Bali_Frank
4 Replies
1216 Views
Last post May 28, 2016, 0114 UTC
by Rafman
0 Replies
399 Views
Last post March 24, 2022, 2202 UTC
by Skipmuck
1 Replies
693 Views
Last post August 18, 2019, 1457 UTC
by Ron Hunsicker
11 Replies
2402 Views
Last post June 04, 2016, 0240 UTC
by krissy
11 Replies
1039 Views
Last post May 19, 2023, 0208 UTC
by Markokpik

 

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