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
282 Views
Last post April 29, 2020, 1547 UTC
by Ray Lalleu
0 Replies
317 Views
Last post January 09, 2022, 1013 UTC
by Ray Lalleu
0 Replies
289 Views
Last post December 09, 2022, 1448 UTC
by Ray Lalleu
0 Replies
384 Views
Last post November 02, 2018, 0941 UTC
by Ray Lalleu
0 Replies
262 Views
Last post November 03, 2020, 1920 UTC
by Ray Lalleu
1 Replies
354 Views
Last post July 23, 2022, 2348 UTC
by Ray Lalleu
0 Replies
420 Views
Last post August 10, 2019, 2015 UTC
by Ray Lalleu
4 Replies
824 Views
Last post May 08, 2021, 1955 UTC
by Ray Lalleu
1 Replies
307 Views
Last post February 24, 2025, 1822 UTC
by Alex BLR
0 Replies
366 Views
Last post March 29, 2020, 0555 UTC
by Ray Lalleu
0 Replies
330 Views
Last post December 04, 2021, 0937 UTC
by Ray Lalleu
3 Replies
459 Views
Last post November 25, 2023, 1730 UTC
by kris
0 Replies
188 Views
Last post November 12, 2024, 1950 UTC
by Ray Lalleu
0 Replies
465 Views
Last post September 10, 2018, 1711 UTC
by Ray Lalleu
0 Replies
273 Views
Last post September 26, 2020, 0840 UTC
by Ray Lalleu
1 Replies
441 Views
Last post June 07, 2022, 1743 UTC
by FOX
0 Replies
227 Views
Last post August 09, 2023, 2033 UTC
by Ray Lalleu
1 Replies
376 Views
Last post June 11, 2024, 1420 UTC
by Mick Boyle
1 Replies
558 Views
Last post June 09, 2019, 1553 UTC
by dxace1
0 Replies
299 Views
Last post June 18, 2020, 2024 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