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
2 Replies
355 Views
Last post September 02, 2023, 1649 UTC
by TRI International
2 Replies
616 Views
Last post July 06, 2019, 2143 UTC
by Ray Lalleu
2 Replies
2126 Views
Last post September 08, 2023, 1825 UTC
by Ray Lalleu
2 Replies
1928 Views
Last post September 08, 2023, 2137 UTC
by TRI International
2 Replies
538 Views
Last post November 20, 2020, 0023 UTC
by kris
2 Replies
269 Views
Last post September 04, 2023, 1822 UTC
by kris
2 Replies
246 Views
Last post September 03, 2023, 1257 UTC
by Ray Lalleu
2 Replies
595 Views
Last post July 07, 2019, 1943 UTC
by Ray Lalleu
2 Replies
582 Views
Last post November 21, 2020, 1555 UTC
by Gino Italy
2 Replies
527 Views
Last post July 07, 2019, 2055 UTC
by ChrisSmolinski
2 Replies
441 Views
Last post September 09, 2023, 2201 UTC
by Charlie_Dont_Surf
2 Replies
1004 Views
Last post September 09, 2023, 2203 UTC
by Charlie_Dont_Surf
2 Replies
407 Views
Last post September 10, 2023, 0850 UTC
by Zeewolf
2 Replies
712 Views
Last post November 22, 2020, 0054 UTC
by Skipmuck
2 Replies
350 Views
Last post September 11, 2023, 2256 UTC
by N2MLP
2 Replies
418 Views
Last post September 12, 2023, 1835 UTC
by Jari Finland
2 Replies
262 Views
Last post September 17, 2023, 1801 UTC
by FOX
2 Replies
307 Views
Last post September 17, 2023, 0903 UTC
by europirate
2 Replies
389 Views
Last post September 20, 2023, 1738 UTC
by m3ozp1
2 Replies
491 Views
Last post September 20, 2023, 1541 UTC
by Shortwave_Listener

 

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