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
324 Views
Last post May 07, 2022, 2021 UTC
by Ray Lalleu
3 Replies
1036 Views
Last post July 17, 2016, 0016 UTC
by refmo
0 Replies
356 Views
Last post April 23, 2019, 0003 UTC
by Ray Lalleu
2 Replies
349 Views
Last post April 08, 2023, 2216 UTC
by kris
0 Replies
1120 Views
Last post January 24, 2015, 0935 UTC
by ulx2
1 Replies
713 Views
Last post April 20, 2019, 2332 UTC
by Ray Lalleu
3 Replies
1329 Views
Last post September 06, 2014, 2353 UTC
by ChrisSmolinski
2 Replies
516 Views
Last post January 18, 2022, 0124 UTC
by CoolAM Radio
0 Replies
125 Views
Last post February 10, 2024, 0925 UTC
by Ray Lalleu
0 Replies
165 Views
Last post October 14, 2023, 0819 UTC
by Ray Lalleu
2 Replies
249 Views
Last post May 18, 2024, 0241 UTC
by N2MLP
1 Replies
205 Views
Last post May 17, 2024, 2105 UTC
by kris
0 Replies
138 Views
Last post February 11, 2023, 0932 UTC
by Ray Lalleu
0 Replies
253 Views
Last post August 15, 2020, 0853 UTC
by Ray Lalleu
1 Replies
329 Views
Last post December 14, 2019, 1207 UTC
by The Ether Hacker
0 Replies
300 Views
Last post February 22, 2020, 0913 UTC
by Ray Lalleu
1 Replies
482 Views
Last post May 15, 2021, 1939 UTC
by TRI International
2 Replies
565 Views
Last post November 07, 2020, 1003 UTC
by Gino Italy
1 Replies
422 Views
Last post May 15, 2021, 0952 UTC
by RainBrandy
0 Replies
310 Views
Last post June 05, 2021, 0908 UTC
by Ray Lalleu

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns