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
784 Views
Last post December 28, 2014, 1741 UTC
by ChrisSmolinski
4 Replies
554 Views
Last post December 22, 2024, 1557 UTC
by N2MLP
1 Replies
371 Views
Last post May 04, 2024, 2137 UTC
by N2MLP
4 Replies
1130 Views
Last post March 06, 2021, 0510 UTC
by ~SIGINT~
3 Replies
892 Views
Last post July 11, 2020, 0336 UTC
by Davep
9 Replies
1547 Views
Last post April 03, 2025, 2125 UTC
by hammarhead
11 Replies
1610 Views
Last post August 30, 2022, 0108 UTC
by Earl_grey
3 Replies
721 Views
Last post September 11, 2021, 1607 UTC
by dxace1
3 Replies
838 Views
Last post September 11, 2021, 1704 UTC
by Bali_Frank
3 Replies
1591 Views
Last post October 10, 2015, 2007 UTC
by ff
4 Replies
1573 Views
Last post March 14, 2016, 0021 UTC
by Skipmuck
2 Replies
1451 Views
Last post November 13, 2015, 1312 UTC
by ChrisSmolinski
0 Replies
997 Views
Last post April 16, 2013, 1225 UTC
by ChrisSmolinski
0 Replies
886 Views
Last post April 16, 2013, 1157 UTC
by ChrisSmolinski
4 Replies
1389 Views
Last post June 26, 2013, 1513 UTC
by PRBRELAYS
18 Replies
5873 Views
Last post September 22, 2013, 2041 UTC
by Nella F.
0 Replies
1264 Views
Last post February 15, 2010, 0220 UTC
by LanceLovejoy
7 Replies
1194 Views
Last post December 19, 2024, 2331 UTC
by Sealord
12 Replies
841 Views
Last post May 04, 2025, 0052 UTC
by Andrew Yoder
21 Replies
2526 Views
Last post May 02, 2025, 0339 UTC
by brotherstair

 

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