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
8 Replies
1021 Views
Last post November 12, 2024, 0603 UTC
by Paul B. Walker, Jr.
1 Replies
246 Views
Last post August 09, 2025, 0119 UTC
by Radiouser
33 Replies
3641 Views
Last post August 14, 2022, 1821 UTC
by blubby
8 Replies
993 Views
Last post May 13, 2023, 0220 UTC
by Skipmuck
1 Replies
573 Views
Last post February 02, 2023, 0239 UTC
by Shortwave_Listener
5 Replies
1132 Views
Last post December 09, 2022, 0142 UTC
by Rizla
10 Replies
1361 Views
Last post September 24, 2023, 0034 UTC
by shadypyro
6 Replies
1909 Views
Last post April 25, 2025, 1220 UTC
by ChrisSmolinski
0 Replies
451 Views
Last post November 12, 2022, 0355 UTC
by Charlie_Dont_Surf
9 Replies
1176 Views
Last post March 24, 2024, 1438 UTC
by Sealord
12 Replies
3378 Views
Last post July 13, 2012, 1102 UTC
by Sealord
2 Replies
1085 Views
Last post May 26, 2012, 1745 UTC
by Sealord
6 Replies
2036 Views
Last post April 28, 2012, 1242 UTC
by ChrisSmolinski
6 Replies
767 Views
Last post July 21, 2024, 1403 UTC
by N2MLP
5 Replies
1188 Views
Last post April 20, 2024, 1649 UTC
by Doc Roe
5 Replies
913 Views
Last post November 08, 2022, 0245 UTC
by Shortwave_Listener
23 Replies
4291 Views
Last post May 27, 2025, 0142 UTC
by Dick Weed
2 Replies
1358 Views
Last post June 26, 2016, 1646 UTC
by ChrisSmolinski
1 Replies
597 Views
Last post July 27, 2021, 0049 UTC
by Chuck54
11 Replies
2342 Views
Last post April 19, 2020, 2116 UTC
by Rob.

 

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