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
797 Views
Last post August 21, 2016, 1947 UTC
by ChrisSmolinski
3 Replies
797 Views
Last post December 02, 2017, 2004 UTC
by Ct Yankee
0 Replies
797 Views
Last post April 14, 2014, 1415 UTC
by ChrisSmolinski
6 Replies
797 Views
Last post December 26, 2022, 1730 UTC
by dxace1
1 Replies
797 Views
Last post April 12, 2019, 2006 UTC
by ChrisSmolinski
0 Replies
797 Views
Last post March 14, 2020, 0742 UTC
by Skipmuck
2 Replies
797 Views
Last post August 23, 2020, 0324 UTC
by refmo
0 Replies
797 Views
Last post December 15, 2011, 0036 UTC
by ChrisSmolinski
5 Replies
797 Views
Last post July 02, 2022, 1303 UTC
by refmo
7 Replies
797 Views
Last post July 11, 2025, 0235 UTC
by Markokpik
13 Replies
797 Views
Last post April 04, 2025, 2055 UTC
by hflstnr
0 Replies
797 Views
Last post August 09, 2014, 0116 UTC
by jFarley
3 Replies
797 Views
Last post December 31, 2024, 0116 UTC
by hflstnr
0 Replies
797 Views
Last post May 22, 2025, 0410 UTC
by Shortwave_Listener
0 Replies
797 Views
Last post April 28, 2014, 1202 UTC
by ChrisSmolinski
1 Replies
797 Views
Last post May 11, 2013, 2353 UTC
by rdla4
0 Replies
797 Views
Last post June 17, 2013, 1223 UTC
by ChrisSmolinski
0 Replies
797 Views
Last post June 18, 2013, 1233 UTC
by ChrisSmolinski
3 Replies
797 Views
Last post February 12, 2021, 0437 UTC
by n4mxzimbabwe
0 Replies
797 Views
Last post October 08, 2013, 1220 UTC
by ChrisSmolinski

 

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