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
1828 Views
Last post May 29, 2024, 1438 UTC
by R4002
2 Replies
2191 Views
Last post May 29, 2024, 1437 UTC
by R4002
0 Replies
909 Views
Last post May 28, 2024, 1933 UTC
by R4002
0 Replies
911 Views
Last post May 28, 2024, 1927 UTC
by R4002
0 Replies
821 Views
Last post May 28, 2024, 1924 UTC
by R4002
0 Replies
1144 Views
Last post May 01, 2024, 2228 UTC
by ChrisSmolinski
0 Replies
1010 Views
Last post April 09, 2024, 1329 UTC
by MDK2
0 Replies
914 Views
Last post April 05, 2024, 0253 UTC
by WA4OSH
0 Replies
857 Views
Last post April 04, 2024, 1412 UTC
by WA4OSH
0 Replies
761 Views
Last post April 04, 2024, 1357 UTC
by WA4OSH
3 Replies
1242 Views
Last post March 23, 2024, 2354 UTC
by Skipmuck
1 Replies
1198 Views
Last post March 16, 2024, 2359 UTC
by TheHappyWanker
4 Replies
1250 Views
Last post February 22, 2024, 2320 UTC
by dxwingr
0 Replies
765 Views
Last post February 20, 2024, 1237 UTC
by ChrisSmolinski
0 Replies
1150 Views
Last post January 28, 2024, 1703 UTC
by Mick Boyle
0 Replies
860 Views
Last post January 27, 2024, 0016 UTC
by RobRich
0 Replies
816 Views
Last post January 25, 2024, 2202 UTC
by ~SIGINT~
1 Replies
1336 Views
Last post December 29, 2023, 0324 UTC
by alleycat
0 Replies
841 Views
Last post December 24, 2023, 0626 UTC
by ~SIGINT~
0 Replies
993 Views
Last post December 22, 2023, 0329 UTC
by R4002

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns