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
3 Replies
702 Views
Last post May 19, 2020, 0204 UTC
by MDK2
0 Replies
545 Views
Last post August 09, 2018, 1202 UTC
by ChrisSmolinski
3 Replies
818 Views
Last post July 09, 2019, 2327 UTC
by MDK2
0 Replies
704 Views
Last post February 15, 2020, 2136 UTC
by ChrisSmolinski
1 Replies
666 Views
Last post November 18, 2019, 2151 UTC
by Josh
0 Replies
600 Views
Last post October 08, 2017, 1822 UTC
by ChrisSmolinski
3 Replies
1286 Views
Last post September 23, 2017, 0149 UTC
by Davep
3 Replies
558 Views
Last post February 02, 2023, 1309 UTC
by ChrisSmolinski
0 Replies
443 Views
Last post March 06, 2020, 1140 UTC
by ChrisSmolinski
3 Replies
2826 Views
Last post May 05, 2012, 2318 UTC
by Nella F.
1 Replies
908 Views
Last post December 13, 2018, 2350 UTC
by MDK2
0 Replies
588 Views
Last post October 16, 2017, 2137 UTC
by ChrisSmolinski
0 Replies
976 Views
Last post July 28, 2013, 1336 UTC
by ChrisSmolinski
0 Replies
819 Views
Last post September 06, 2019, 1340 UTC
by ChrisSmolinski
2 Replies
1096 Views
Last post October 24, 2017, 1821 UTC
by Gaeill
0 Replies
625 Views
Last post August 23, 2018, 1929 UTC
by ChrisSmolinski
1 Replies
809 Views
Last post October 06, 2017, 0254 UTC
by skeezix
3 Replies
3306 Views
Last post May 11, 2012, 0004 UTC
by rdla4
3 Replies
2282 Views
Last post April 05, 2014, 0158 UTC
by skeezix
0 Replies
668 Views
Last post December 25, 2018, 1920 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 Garden Flag
by MitchellTimeDesigns