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
530 Views
Last post May 31, 2023, 2122 UTC
by Pigmeat
1 Replies
530 Views
Last post March 21, 2021, 1726 UTC
by Bali_Frank
0 Replies
530 Views
Last post December 02, 2017, 1649 UTC
by ChrisSmolinski
0 Replies
530 Views
Last post June 29, 2018, 1559 UTC
by ChrisSmolinski
0 Replies
530 Views
Last post November 04, 2018, 2246 UTC
by ChrisSmolinski
0 Replies
530 Views
Last post November 15, 2020, 0123 UTC
by canswl
1 Replies
530 Views
Last post December 25, 2022, 2054 UTC
by Shortwave_Listener
0 Replies
530 Views
Last post June 30, 2020, 0157 UTC
by MDK2
4 Replies
530 Views
Last post November 13, 2022, 2002 UTC
by tonehammer
3 Replies
530 Views
Last post June 19, 2023, 0252 UTC
by N2MLP
3 Replies
531 Views
Last post June 04, 2023, 0654 UTC
by Pigmeat
4 Replies
531 Views
Last post January 31, 2025, 0114 UTC
by Radiouser
0 Replies
531 Views
Last post May 16, 2020, 2217 UTC
by Ray Lalleu
0 Replies
531 Views
Last post May 14, 2021, 0307 UTC
by Rich
2 Replies
531 Views
Last post February 13, 2023, 0253 UTC
by Zoidberg
1 Replies
531 Views
Last post April 07, 2025, 1843 UTC
by Ron Hunsicker
3 Replies
531 Views
Last post July 10, 2025, 0135 UTC
by osiris
0 Replies
531 Views
Last post July 23, 2022, 0549 UTC
by Shortwave_Listener
2 Replies
531 Views
Last post November 02, 2022, 2047 UTC
by ChrisSmolinski
6 Replies
531 Views
Last post August 20, 2025, 0108 UTC
by Markokpik

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns