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
5 Replies
865 Views
Last post September 14, 2020, 2109 UTC
by Ray Lalleu
0 Replies
530 Views
Last post August 21, 2018, 1538 UTC
by Ray Lalleu
1 Replies
511 Views
Last post September 25, 2024, 2019 UTC
by James_Calais
1 Replies
310 Views
Last post November 11, 2023, 0917 UTC
by N2MLP
1 Replies
375 Views
Last post September 23, 2022, 1853 UTC
by kobalts
0 Replies
371 Views
Last post November 19, 2021, 1550 UTC
by Ray Lalleu
1 Replies
398 Views
Last post December 11, 2020, 2108 UTC
by kris
0 Replies
398 Views
Last post March 19, 2020, 0858 UTC
by Ray Lalleu
0 Replies
560 Views
Last post January 04, 2019, 2035 UTC
by Ray Lalleu
1 Replies
328 Views
Last post February 13, 2025, 1701 UTC
by dxace1
0 Replies
215 Views
Last post March 26, 2023, 0952 UTC
by Ray Lalleu
0 Replies
340 Views
Last post February 26, 2022, 1655 UTC
by Ray Lalleu
0 Replies
320 Views
Last post June 03, 2020, 1726 UTC
by Ray Lalleu
0 Replies
223 Views
Last post July 26, 2023, 0824 UTC
by Ray Lalleu
2 Replies
578 Views
Last post November 16, 2019, 2103 UTC
by ChrisSmolinski
0 Replies
156 Views
Last post November 02, 2024, 0717 UTC
by Ray Lalleu
1 Replies
294 Views
Last post November 14, 2022, 1317 UTC
by kris
1 Replies
485 Views
Last post January 17, 2021, 2146 UTC
by kris
0 Replies
418 Views
Last post March 17, 2019, 0846 UTC
by Ray Lalleu
0 Replies
298 Views
Last post March 17, 2024, 1802 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