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
5 Replies
1424 Views
Last post March 31, 2018, 1830 UTC
by aurora
5 Replies
1144 Views
Last post March 29, 2018, 2351 UTC
by Traveling Wave
5 Replies
1034 Views
Last post March 28, 2018, 2253 UTC
by slowtrain
5 Replies
1238 Views
Last post March 25, 2018, 2005 UTC
by Dick Weed
5 Replies
1041 Views
Last post March 25, 2018, 1415 UTC
by ChrisSmolinski
5 Replies
674 Views
Last post March 24, 2018, 2253 UTC
by digitalmod
5 Replies
1079 Views
Last post March 21, 2018, 2052 UTC
by Skyword
5 Replies
1374 Views
Last post March 19, 2018, 0026 UTC
by Chanter
5 Replies
919 Views
Last post March 18, 2018, 1516 UTC
by bubblova
5 Replies
1376 Views
Last post March 17, 2018, 0128 UTC
by DonMooreDXer
5 Replies
1215 Views
Last post March 11, 2018, 2109 UTC
by Andrew Yoder
5 Replies
1290 Views
Last post March 06, 2018, 1241 UTC
by ChrisSmolinski
5 Replies
1033 Views
Last post March 03, 2018, 0003 UTC
by digitalmod
5 Replies
1064 Views
Last post March 01, 2018, 2350 UTC
by ChrisSmolinski
5 Replies
958 Views
Last post February 25, 2018, 2341 UTC
by Andrew Yoder
5 Replies
942 Views
Last post February 25, 2018, 2132 UTC
by PirateSWL
5 Replies
998 Views
Last post February 25, 2018, 2037 UTC
by Ray Lalleu
5 Replies
1104 Views
Last post February 20, 2018, 0156 UTC
by Skyword
5 Replies
906 Views
Last post February 17, 2018, 1504 UTC
by digitalmod
5 Replies
1327 Views
Last post February 17, 2018, 0432 UTC
by myteaquinn

 

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