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
691 Views
Last post April 12, 2020, 2334 UTC
by Bali_Frank
0 Replies
932 Views
Last post April 12, 2015, 1930 UTC
by Skipmuck
0 Replies
3091 Views
Last post August 05, 2014, 0025 UTC
by Skipmuck
3 Replies
1207 Views
Last post December 30, 2017, 0139 UTC
by PirateSWL
5 Replies
964 Views
Last post May 22, 2023, 1604 UTC
by MDK2
0 Replies
1046 Views
Last post August 16, 2015, 1905 UTC
by Skipmuck
1 Replies
970 Views
Last post March 27, 2019, 1058 UTC
by PirateSWL
1 Replies
444 Views
Last post April 19, 2023, 1305 UTC
by Radio Star
2 Replies
504 Views
Last post October 15, 2022, 2024 UTC
by Ct Yankee
3 Replies
1328 Views
Last post April 12, 2018, 0718 UTC
by Gino Italy
8 Replies
2657 Views
Last post November 29, 2014, 1028 UTC
by Marcel
4 Replies
843 Views
Last post October 03, 2021, 1600 UTC
by Molvania Poacher
0 Replies
1480 Views
Last post February 07, 2014, 0048 UTC
by Skipmuck
10 Replies
952 Views
Last post February 27, 2023, 0120 UTC
by myteaquinn
1 Replies
695 Views
Last post June 17, 2023, 1704 UTC
by ChrisLobdell
0 Replies
1217 Views
Last post March 22, 2015, 1712 UTC
by Skipmuck
1 Replies
975 Views
Last post November 25, 2017, 2257 UTC
by PirateSWL
5 Replies
952 Views
Last post March 30, 2023, 1517 UTC
by RainBrandy
1 Replies
585 Views
Last post March 17, 2024, 2202 UTC
by bugdood
1 Replies
768 Views
Last post October 22, 2019, 1353 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 House Flag
by MitchellTimeDesigns