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
646 Views
Last post May 25, 2018, 1517 UTC
by The Ether Hacker
0 Replies
393 Views
Last post July 21, 2020, 1638 UTC
by Ray Lalleu
1 Replies
474 Views
Last post April 07, 2022, 1033 UTC
by Ethernut
0 Replies
255 Views
Last post March 22, 2024, 0853 UTC
by Ray Lalleu
0 Replies
387 Views
Last post March 23, 2019, 1732 UTC
by Ray Lalleu
0 Replies
357 Views
Last post January 23, 2021, 0952 UTC
by Ray Lalleu
1 Replies
624 Views
Last post November 22, 2019, 1439 UTC
by texas1dxer
3 Replies
747 Views
Last post August 14, 2021, 2221 UTC
by Ray Lalleu
0 Replies
325 Views
Last post July 10, 2022, 1728 UTC
by Ray Lalleu
0 Replies
229 Views
Last post July 30, 2023, 0949 UTC
by Ray Lalleu
0 Replies
245 Views
Last post July 25, 2024, 2028 UTC
by Ray Lalleu
1 Replies
270 Views
Last post May 17, 2025, 2057 UTC
by europirate
0 Replies
483 Views
Last post April 29, 2021, 1636 UTC
by Ray Lalleu
0 Replies
406 Views
Last post February 28, 2022, 1955 UTC
by Ray Lalleu
1 Replies
299 Views
Last post March 31, 2023, 1719 UTC
by dxace1
0 Replies
178 Views
Last post February 16, 2025, 0907 UTC
by Ray Lalleu
0 Replies
497 Views
Last post January 12, 2019, 1305 UTC
by Ray Lalleu
0 Replies
395 Views
Last post March 21, 2020, 1417 UTC
by Ray Lalleu
0 Replies
301 Views
Last post November 12, 2023, 1803 UTC
by Ray Lalleu
0 Replies
543 Views
Last post August 26, 2018, 1553 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 T-Shirt
by MitchellTimeDesigns