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
6 Replies
1148 Views
Last post March 11, 2025, 0123 UTC
by MDK2
0 Replies
490 Views
Last post March 11, 2025, 0020 UTC
by Radiouser
3 Replies
1601 Views
Last post March 10, 2025, 2359 UTC
by Radio Star
3 Replies
1077 Views
Last post March 10, 2025, 2328 UTC
by Radio Star
0 Replies
644 Views
Last post March 10, 2025, 2150 UTC
by ChrisSmolinski
11 Replies
2967 Views
Last post March 10, 2025, 1540 UTC
by Sealord
14 Replies
3520 Views
Last post March 10, 2025, 1240 UTC
by Sealord
9 Replies
2562 Views
Last post March 10, 2025, 1239 UTC
by Sealord
11 Replies
2022 Views
Last post March 10, 2025, 0403 UTC
by Robot Matrix
6 Replies
776 Views
Last post March 10, 2025, 0215 UTC
by ChrisLobdell
13 Replies
1169 Views
Last post March 10, 2025, 0209 UTC
by John Poet
8 Replies
863 Views
Last post March 10, 2025, 0120 UTC
by CaptainMitchell
1 Replies
703 Views
Last post March 09, 2025, 2034 UTC
by ChrisSmolinski
25 Replies
3208 Views
Last post March 09, 2025, 1923 UTC
by Sealord
24 Replies
4366 Views
Last post March 09, 2025, 1922 UTC
by Sealord
33 Replies
4641 Views
Last post March 09, 2025, 1922 UTC
by Sealord
23 Replies
2271 Views
Last post March 09, 2025, 1922 UTC
by Sealord
0 Replies
376 Views
Last post March 09, 2025, 1705 UTC
by ChrisSmolinski
4 Replies
738 Views
Last post March 09, 2025, 1353 UTC
by Sarge94
9 Replies
1000 Views
Last post March 09, 2025, 1331 UTC
by Radio Star

 

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