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
5 Replies
1854 Views
Last post November 28, 2018, 2010 UTC
by Josh
6 Replies
3001 Views
Last post April 30, 2017, 1456 UTC
by R4002
6 Replies
2290 Views
Last post July 18, 2019, 2104 UTC
by R4002
6 Replies
1950 Views
Last post September 29, 2021, 1220 UTC
by ChrisSmolinski
6 Replies
2359 Views
Last post June 09, 2020, 0809 UTC
by Ronald_Mullis
6 Replies
2582 Views
Last post April 26, 2017, 1038 UTC
by ChrisSmolinski
6 Replies
3882 Views
Last post May 08, 2017, 0358 UTC
by R4002
6 Replies
1623 Views
Last post May 12, 2023, 0130 UTC
by Skipmuck
6 Replies
1199 Views
Last post August 31, 2025, 1405 UTC
by N2MLP
7 Replies
3845 Views
Last post February 22, 2017, 1753 UTC
by Josh
7 Replies
1709 Views
Last post October 15, 2022, 1126 UTC
by Pigmeat
7 Replies
8369 Views
Last post July 23, 2017, 0045 UTC
by skeezix
7 Replies
5718 Views
Last post July 14, 2017, 1848 UTC
by R4002
7 Replies
3652 Views
Last post November 07, 2017, 0321 UTC
by BoomboxDX
7 Replies
2941 Views
Last post July 27, 2023, 0337 UTC
by Shortwave_Listener
8 Replies
3412 Views
Last post October 15, 2018, 1125 UTC
by R4002
8 Replies
2429 Views
Last post June 16, 2023, 2035 UTC
by Pigmeat
8 Replies
3098 Views
Last post January 31, 2020, 1828 UTC
by R4002
9 Replies
3995 Views
Last post November 19, 2017, 1201 UTC
by ChrisSmolinski
10 Replies
14950 Views
Last post August 13, 2019, 0609 UTC
by BoomboxDX

 

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