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
427 Views
Last post January 20, 2021, 2220 UTC
by Ray Lalleu
1 Replies
424 Views
Last post October 03, 2018, 1840 UTC
by Ray Lalleu
2 Replies
435 Views
Last post January 23, 2022, 1737 UTC
by F-10255
3 Replies
588 Views
Last post June 12, 2019, 1852 UTC
by fox558
1 Replies
315 Views
Last post November 04, 2020, 1700 UTC
by Ray Lalleu
1 Replies
380 Views
Last post June 22, 2021, 2108 UTC
by Ray Lalleu
1 Replies
319 Views
Last post September 30, 2019, 1828 UTC
by Ray Lalleu
0 Replies
311 Views
Last post February 26, 2022, 2238 UTC
by kris
1 Replies
367 Views
Last post September 02, 2020, 1724 UTC
by Ray Lalleu
1 Replies
449 Views
Last post June 23, 2018, 2042 UTC
by Ray Lalleu
0 Replies
117 Views
Last post August 25, 2023, 2216 UTC
by kris
1 Replies
175 Views
Last post February 22, 2023, 1823 UTC
by Ray Lalleu
1 Replies
237 Views
Last post February 23, 2024, 0910 UTC
by Ray Lalleu
0 Replies
286 Views
Last post March 25, 2021, 2040 UTC
by kris
1 Replies
378 Views
Last post August 23, 2021, 1854 UTC
by Ray Lalleu
0 Replies
167 Views
Last post January 03, 2024, 0833 UTC
by kris
0 Replies
512 Views
Last post October 06, 2021, 1035 UTC
by kris
1 Replies
266 Views
Last post September 13, 2020, 2110 UTC
by Ray Lalleu
1 Replies
377 Views
Last post September 23, 2021, 1824 UTC
by Ray Lalleu
1 Replies
356 Views
Last post November 26, 2020, 2201 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 Garden Flag
by MitchellTimeDesigns