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
895 Views
Last post November 08, 2023, 1548 UTC
by ChrisSmolinski
25 Replies
3705 Views
Last post August 22, 2022, 1419 UTC
by Pigmeat
4 Replies
1400 Views
Last post July 09, 2024, 2111 UTC
by N2MLP
6 Replies
1018 Views
Last post September 19, 2021, 0416 UTC
by MDK2
0 Replies
770 Views
Last post September 23, 2019, 0033 UTC
by myteaquinn
4 Replies
1392 Views
Last post August 18, 2019, 1548 UTC
by refmo
0 Replies
525 Views
Last post March 21, 2022, 0321 UTC
by myteaquinn
4 Replies
1781 Views
Last post September 10, 2016, 1448 UTC
by Skipmuck
2 Replies
459 Views
Last post December 24, 2023, 2301 UTC
by dxwingr
13 Replies
1225 Views
Last post December 15, 2024, 1909 UTC
by N2MLP
4 Replies
905 Views
Last post October 18, 2021, 0013 UTC
by refmo
15 Replies
4569 Views
Last post February 16, 2014, 0508 UTC
by Rafman
6 Replies
1943 Views
Last post June 16, 2013, 2127 UTC
by ChrisSmolinski
10 Replies
2327 Views
Last post October 31, 2013, 2339 UTC
by fpeconsultant
4 Replies
615 Views
Last post April 10, 2025, 0231 UTC
by Jim Renfrew
0 Replies
769 Views
Last post May 27, 2019, 0331 UTC
by myteaquinn
6 Replies
3455 Views
Last post March 03, 2017, 0042 UTC
by Southern Relay Service
3 Replies
551 Views
Last post November 23, 2023, 0034 UTC
by K1MLP
3 Replies
1866 Views
Last post October 27, 2013, 1739 UTC
by glimmer twin
3 Replies
1274 Views
Last post February 02, 2014, 1618 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 T-Shirt
by MitchellTimeDesigns