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
8 Replies
1643 Views
Last post December 11, 2023, 2141 UTC
by Dr. Strangelove
0 Replies
603 Views
Last post June 30, 2018, 1512 UTC
by ChrisSmolinski
11 Replies
7074 Views
Last post October 31, 2016, 2348 UTC
by Skipmuck
0 Replies
536 Views
Last post August 26, 2021, 1748 UTC
by ChrisSmolinski
2 Replies
1239 Views
Last post July 30, 2012, 2111 UTC
by jFarley
1 Replies
1248 Views
Last post December 26, 2014, 1748 UTC
by ByteBORG
1 Replies
1070 Views
Last post July 04, 2017, 2339 UTC
by HF DXER
0 Replies
878 Views
Last post November 09, 2015, 0021 UTC
by ChrisSmolinski
6 Replies
2628 Views
Last post March 27, 2017, 1723 UTC
by aurora
2 Replies
1480 Views
Last post June 25, 2016, 1335 UTC
by ByteBORG
0 Replies
741 Views
Last post November 23, 2017, 2129 UTC
by ChrisSmolinski
8 Replies
2494 Views
Last post August 07, 2014, 0118 UTC
by blw
0 Replies
623 Views
Last post June 25, 2019, 2224 UTC
by ChrisSmolinski
0 Replies
767 Views
Last post February 21, 2016, 0143 UTC
by ChrisSmolinski
5 Replies
1631 Views
Last post September 23, 2012, 1344 UTC
by ChrisSmolinski
4 Replies
1608 Views
Last post February 11, 2019, 2101 UTC
by aurora
0 Replies
215 Views
Last post October 22, 2025, 1157 UTC
by ChrisSmolinski
5 Replies
985 Views
Last post May 30, 2021, 2052 UTC
by hammarhead
1 Replies
492 Views
Last post February 02, 2025, 1711 UTC
by N2MLP
4 Replies
2697 Views
Last post November 23, 2013, 2020 UTC
by Andrew Yoder

 

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