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
497 Views
Last post September 15, 2021, 1107 UTC
by TRI International
5 Replies
976 Views
Last post September 15, 2021, 1016 UTC
by henri
0 Replies
404 Views
Last post September 15, 2021, 0845 UTC
by Ray Lalleu
4 Replies
695 Views
Last post September 14, 2021, 2302 UTC
by kris
0 Replies
437 Views
Last post September 14, 2021, 2246 UTC
by kris
4 Replies
660 Views
Last post September 14, 2021, 2033 UTC
by henri
1 Replies
574 Views
Last post September 14, 2021, 2020 UTC
by Grey Fox
4 Replies
640 Views
Last post September 14, 2021, 2020 UTC
by raypfaff
2 Replies
526 Views
Last post September 14, 2021, 2016 UTC
by Bali_Frank
0 Replies
397 Views
Last post September 14, 2021, 1933 UTC
by Ray Lalleu
0 Replies
367 Views
Last post September 14, 2021, 1905 UTC
by Ray Lalleu
0 Replies
395 Views
Last post September 14, 2021, 1839 UTC
by Ray Lalleu
1 Replies
453 Views
Last post September 14, 2021, 1802 UTC
by kris
1 Replies
454 Views
Last post September 14, 2021, 1636 UTC
by Ray Lalleu
0 Replies
389 Views
Last post September 14, 2021, 1422 UTC
by Ray Lalleu
0 Replies
392 Views
Last post September 14, 2021, 1410 UTC
by Ray Lalleu
1 Replies
483 Views
Last post September 14, 2021, 1204 UTC
by TRI International
0 Replies
461 Views
Last post September 14, 2021, 1149 UTC
by TRI International
2 Replies
590 Views
Last post September 13, 2021, 2024 UTC
by Grey Fox
4 Replies
637 Views
Last post September 13, 2021, 2008 UTC
by raypfaff

 

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