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
828 Views
Last post June 25, 2017, 1721 UTC
by ChrisSmolinski
2 Replies
828 Views
Last post September 29, 2019, 1552 UTC
by ChrisSmolinski
0 Replies
828 Views
Last post October 13, 2013, 1403 UTC
by ChrisSmolinski
0 Replies
828 Views
Last post September 29, 2013, 1634 UTC
by ChrisSmolinski
2 Replies
828 Views
Last post August 22, 2016, 2258 UTC
by aurora
0 Replies
828 Views
Last post May 28, 2017, 1336 UTC
by ChrisSmolinski
2 Replies
828 Views
Last post January 18, 2019, 2109 UTC
by L Cee
0 Replies
828 Views
Last post December 07, 2012, 0249 UTC
by jFarley
5 Replies
828 Views
Last post March 05, 2023, 0230 UTC
by Shortwave_Listener
2 Replies
828 Views
Last post February 16, 2020, 1859 UTC
by ChrisSmolinski
0 Replies
828 Views
Last post September 20, 2015, 1705 UTC
by ChrisSmolinski
0 Replies
828 Views
Last post December 30, 2011, 1419 UTC
by ChrisSmolinski
7 Replies
828 Views
Last post July 03, 2022, 2338 UTC
by KMD3HR
8 Replies
828 Views
Last post July 11, 2022, 0120 UTC
by FelixChapel
8 Replies
827 Views
Last post June 11, 2022, 0225 UTC
by Markokpik
1 Replies
827 Views
Last post November 02, 2016, 2317 UTC
by PirateSWL
1 Replies
827 Views
Last post April 22, 2021, 0204 UTC
by Paul Turkk
1 Replies
827 Views
Last post February 15, 2014, 1857 UTC
by hsmith77
11 Replies
827 Views
Last post March 18, 2025, 0250 UTC
by WPE6HET
1 Replies
827 Views
Last post October 12, 2013, 2032 UTC
by ChrisLobdell

 

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