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
1 Replies
510 Views
Last post March 06, 2023, 1539 UTC
by Shortwave_Listener
1 Replies
424 Views
Last post February 15, 2023, 0303 UTC
by Shortwave_Listener
1 Replies
436 Views
Last post February 14, 2023, 0115 UTC
by Skipmuck
1 Replies
457 Views
Last post January 29, 2023, 2309 UTC
by Daniel Wyllyans
1 Replies
637 Views
Last post February 07, 2019, 1309 UTC
by ChrisSmolinski
1 Replies
816 Views
Last post February 05, 2019, 2133 UTC
by andres87
1 Replies
756 Views
Last post February 03, 2019, 0203 UTC
by andres87
1 Replies
429 Views
Last post January 20, 2023, 2207 UTC
by TRI International
1 Replies
386 Views
Last post January 17, 2023, 0114 UTC
by Shortwave_Listener
1 Replies
665 Views
Last post January 31, 2019, 1241 UTC
by ChrisSmolinski
1 Replies
734 Views
Last post January 29, 2019, 1100 UTC
by ChrisSmolinski
1 Replies
463 Views
Last post December 12, 2022, 1557 UTC
by Shortwave_Listener
1 Replies
493 Views
Last post November 06, 2022, 2315 UTC
by Shortwave_Listener
1 Replies
634 Views
Last post January 21, 2019, 2350 UTC
by Ray Lalleu
1 Replies
668 Views
Last post January 21, 2019, 1257 UTC
by ChrisSmolinski
1 Replies
712 Views
Last post January 19, 2019, 2352 UTC
by Ray Lalleu
1 Replies
363 Views
Last post October 03, 2022, 0245 UTC
by Shortwave_Listener
1 Replies
864 Views
Last post January 17, 2019, 1114 UTC
by ChrisSmolinski
1 Replies
332 Views
Last post October 02, 2022, 1621 UTC
by cgalazt
1 Replies
702 Views
Last post January 14, 2019, 2258 UTC
by R4002

 

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