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
0 Replies
1792 Views
Last post August 27, 2012, 2304 UTC
by ChrisSmolinski
0 Replies
1693 Views
Last post September 09, 2012, 1409 UTC
by ChrisSmolinski
2 Replies
669 Views
Last post June 27, 2022, 2112 UTC
by Panda_NL
1 Replies
582 Views
Last post April 09, 2019, 2019 UTC
by Brian
0 Replies
515 Views
Last post February 21, 2021, 1515 UTC
by Ray Lalleu
0 Replies
681 Views
Last post September 15, 2019, 1844 UTC
by iberiadx
1 Replies
1083 Views
Last post May 13, 2018, 1046 UTC
by Brian
0 Replies
168 Views
Last post September 25, 2025, 2128 UTC
by Ray Lalleu
0 Replies
498 Views
Last post November 10, 2019, 1610 UTC
by Ray Lalleu
0 Replies
619 Views
Last post May 14, 2018, 1914 UTC
by Ray Lalleu
0 Replies
209 Views
Last post February 01, 2025, 1725 UTC
by Ray Lalleu
1 Replies
1755 Views
Last post December 21, 2024, 1327 UTC
by Ray Lalleu
0 Replies
524 Views
Last post December 08, 2018, 1253 UTC
by Ray Lalleu
2 Replies
914 Views
Last post December 02, 2018, 1726 UTC
by Ray Lalleu
7 Replies
1298 Views
Last post May 21, 2019, 2132 UTC
by KaySeeks
0 Replies
533 Views
Last post December 09, 2018, 1037 UTC
by Ray Lalleu
0 Replies
1173 Views
Last post May 29, 2015, 2252 UTC
by ChrisSmolinski
1 Replies
955 Views
Last post November 17, 2018, 0000 UTC
by OZDXer
1 Replies
486 Views
Last post November 17, 2020, 2348 UTC
by Ray Lalleu
2 Replies
575 Views
Last post March 05, 2021, 2340 UTC
by kris

 

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