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
1 Replies
1118 Views
Last post July 28, 2013, 1407 UTC
by ChrisSmolinski
3 Replies
1241 Views
Last post November 14, 2014, 2125 UTC
by jFarley
5 Replies
2051 Views
Last post February 14, 2014, 2055 UTC
by jFarley
6 Replies
2032 Views
Last post March 31, 2013, 1505 UTC
by ChrisSmolinski
11 Replies
1333 Views
Last post February 13, 2023, 1628 UTC
by Shortwave_Listener
5 Replies
2236 Views
Last post December 29, 2011, 1128 UTC
by Sealord
0 Replies
1429 Views
Last post November 11, 2011, 2257 UTC
by Beerus Maximus
1 Replies
542 Views
Last post July 11, 2020, 0405 UTC
by refmo
1 Replies
1077 Views
Last post April 29, 2016, 2012 UTC
by ChrisSmolinski
1 Replies
1901 Views
Last post October 22, 2008, 1338 UTC
by Zoidberg
3 Replies
1293 Views
Last post August 15, 2012, 2257 UTC
by Andrew Yoder
1 Replies
1693 Views
Last post August 30, 2014, 1026 UTC
by Rafman
0 Replies
1003 Views
Last post April 02, 2011, 1754 UTC
by ChrisSmolinski
6 Replies
2735 Views
Last post November 28, 2013, 1652 UTC
by Mentholyptus
1 Replies
1389 Views
Last post October 04, 2010, 0158 UTC
by outhouse radio
19 Replies
1905 Views
Last post March 05, 2023, 0033 UTC
by William Hassig
16 Replies
1539 Views
Last post May 30, 2023, 0120 UTC
by Pigmeat
26 Replies
1271 Views
Last post September 08, 2025, 1332 UTC
by Tony_Pavick
11 Replies
685 Views
Last post September 07, 2025, 1842 UTC
by Tony_Pavick
25 Replies
3725 Views
Last post July 08, 2021, 1955 UTC
by WWBR

 

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