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
1115 Views
Last post March 26, 2025, 2113 UTC
by dxwingr
5 Replies
1491 Views
Last post March 26, 2025, 0203 UTC
by Molvania Poacher
5 Replies
837 Views
Last post March 23, 2025, 1310 UTC
by N2MLP
5 Replies
1278 Views
Last post March 22, 2025, 0252 UTC
by Zoidberg
5 Replies
1235 Views
Last post March 16, 2025, 2036 UTC
by Tony_Pavick
5 Replies
862 Views
Last post March 16, 2025, 1326 UTC
by N2MLP
5 Replies
498 Views
Last post March 15, 2025, 1313 UTC
by Radio Star
5 Replies
1168 Views
Last post March 15, 2025, 0332 UTC
by Radiouser
5 Replies
1302 Views
Last post March 12, 2025, 2356 UTC
by Sky Waves
5 Replies
600 Views
Last post March 08, 2025, 1702 UTC
by Radio Star
5 Replies
645 Views
Last post March 08, 2025, 1503 UTC
by N2MLP
5 Replies
1899 Views
Last post March 05, 2025, 2309 UTC
by Charlie_Dont_Surf
5 Replies
3597 Views
Last post March 02, 2025, 0403 UTC
by Radiouser
5 Replies
654 Views
Last post March 02, 2025, 0300 UTC
by Professor
5 Replies
651 Views
Last post February 24, 2025, 0058 UTC
by N5STD
5 Replies
671 Views
Last post February 22, 2025, 0311 UTC
by canswl
5 Replies
1056 Views
Last post February 19, 2025, 1312 UTC
by ChrisSmolinski
5 Replies
998 Views
Last post February 12, 2025, 1418 UTC
by ChrisLobdell
5 Replies
612 Views
Last post February 11, 2025, 1926 UTC
by ChrisSmolinski
5 Replies
613 Views
Last post February 10, 2025, 0329 UTC
by Robot Matrix

 

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