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
6 Replies
825 Views
Last post May 17, 2024, 2253 UTC
by N2MLP
6 Replies
981 Views
Last post May 13, 2024, 0100 UTC
by Markokpik
6 Replies
1546 Views
Last post May 05, 2024, 1441 UTC
by Sealord
6 Replies
645 Views
Last post May 04, 2024, 2140 UTC
by Molvania Poacher
6 Replies
622 Views
Last post May 04, 2024, 0334 UTC
by Molvania Poacher
6 Replies
1663 Views
Last post May 04, 2024, 0048 UTC
by intellman
6 Replies
1007 Views
Last post April 30, 2024, 2214 UTC
by myteaquinn
6 Replies
1233 Views
Last post April 27, 2024, 1358 UTC
by N2MLP
6 Replies
1140 Views
Last post April 22, 2024, 0358 UTC
by dxace1
6 Replies
478 Views
Last post April 20, 2024, 0237 UTC
by WA0093SWL
6 Replies
919 Views
Last post April 18, 2024, 2327 UTC
by JustGreg
6 Replies
564 Views
Last post April 14, 2024, 2345 UTC
by hsmith77
6 Replies
768 Views
Last post April 13, 2024, 1324 UTC
by Ron Hunsicker
6 Replies
874 Views
Last post April 08, 2024, 0337 UTC
by Andrew Yoder
6 Replies
636 Views
Last post April 07, 2024, 1149 UTC
by N2MLP
6 Replies
631 Views
Last post April 07, 2024, 1142 UTC
by N2MLP
6 Replies
880 Views
Last post April 02, 2024, 0215 UTC
by TheHappyWanker
6 Replies
677 Views
Last post March 29, 2024, 0355 UTC
by canswl
6 Replies
501 Views
Last post March 28, 2024, 0527 UTC
by RobRich
6 Replies
1098 Views
Last post March 26, 2024, 0334 UTC
by sternradio666

 

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