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
227 Views
Last post November 11, 2025, 0146 UTC
by Héctor
0 Replies
228 Views
Last post August 03, 2025, 1549 UTC
by ChrisSmolinski
7 Replies
228 Views
Last post November 11, 2025, 0023 UTC
by Treehouse SWL
1 Replies
228 Views
Last post October 10, 2025, 1412 UTC
by mikefont
1 Replies
229 Views
Last post October 03, 2025, 2225 UTC
by aurora
2 Replies
230 Views
Last post September 20, 2025, 2246 UTC
by Radiouser
1 Replies
231 Views
Last post September 17, 2025, 1247 UTC
by Ct Yankee
1 Replies
232 Views
Last post October 23, 2025, 0153 UTC
by TheHappyWanker
1 Replies
233 Views
Last post September 23, 2025, 1454 UTC
by Radiouser
1 Replies
235 Views
Last post November 03, 2025, 1436 UTC
by Tony_Pavick
4 Replies
235 Views
Last post November 01, 2025, 0205 UTC
by canswl
4 Replies
235 Views
Last post November 02, 2025, 1733 UTC
by Shortwave_Listener
0 Replies
235 Views
Last post August 16, 2025, 1740 UTC
by ChrisSmolinski
3 Replies
236 Views
Last post October 28, 2025, 1730 UTC
by Radiouser
0 Replies
236 Views
Last post August 03, 2025, 1540 UTC
by ChrisSmolinski
0 Replies
236 Views
Last post August 02, 2025, 0059 UTC
by DangerKitty
2 Replies
237 Views
Last post October 01, 2025, 2301 UTC
by J. Carlos Pérez Montero
1 Replies
237 Views
Last post September 18, 2025, 1547 UTC
by Radiouser
1 Replies
240 Views
Last post November 01, 2025, 0007 UTC
by hflstnr
1 Replies
240 Views
Last post September 27, 2025, 1721 UTC
by ChrisSmolinski

 

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