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
3 Replies
962 Views
Last post June 27, 2019, 0830 UTC
by CoolAM Radio
0 Replies
374 Views
Last post October 30, 2019, 0954 UTC
by Ray Lalleu
0 Replies
408 Views
Last post September 29, 2018, 1442 UTC
by Ray Lalleu
2 Replies
305 Views
Last post October 19, 2024, 2115 UTC
by N2MLP
3 Replies
565 Views
Last post December 06, 2023, 1550 UTC
by Fisherman
0 Replies
224 Views
Last post October 26, 2022, 1627 UTC
by Ray Lalleu
2 Replies
546 Views
Last post February 21, 2019, 2306 UTC
by blw
0 Replies
225 Views
Last post April 23, 2023, 1703 UTC
by Ray Lalleu
0 Replies
355 Views
Last post July 01, 2020, 1048 UTC
by Ray Lalleu
0 Replies
288 Views
Last post June 06, 2025, 1902 UTC
by Ray Lalleu
0 Replies
482 Views
Last post September 07, 2021, 1911 UTC
by Ray Lalleu
0 Replies
322 Views
Last post December 22, 2019, 1506 UTC
by Ray Lalleu
1 Replies
216 Views
Last post November 24, 2024, 1808 UTC
by kris
0 Replies
229 Views
Last post December 25, 2022, 1143 UTC
by Ray Lalleu
0 Replies
412 Views
Last post February 11, 2021, 1315 UTC
by Ray Lalleu
1 Replies
629 Views
Last post April 20, 2019, 1846 UTC
by Brian
0 Replies
173 Views
Last post April 14, 2024, 0814 UTC
by Ray Lalleu
0 Replies
354 Views
Last post April 25, 2022, 1645 UTC
by Ray Lalleu
2 Replies
472 Views
Last post May 20, 2021, 1800 UTC
by dxace1
1 Replies
392 Views
Last post August 15, 2020, 2124 UTC
by Skipmuck

 

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