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
485 Views
Last post September 23, 2022, 1812 UTC
by kris
1 Replies
426 Views
Last post November 19, 2021, 1504 UTC
by Bali_Frank
0 Replies
292 Views
Last post December 11, 2020, 1926 UTC
by Ray Lalleu
0 Replies
351 Views
Last post March 19, 2020, 0817 UTC
by Ray Lalleu
0 Replies
628 Views
Last post January 04, 2019, 1848 UTC
by Ray Lalleu
0 Replies
218 Views
Last post February 13, 2025, 1551 UTC
by Ray Lalleu
0 Replies
219 Views
Last post February 11, 2024, 1003 UTC
by Ray Lalleu
0 Replies
201 Views
Last post March 26, 2023, 0946 UTC
by Ray Lalleu
0 Replies
374 Views
Last post February 26, 2022, 1606 UTC
by Ray Lalleu
0 Replies
292 Views
Last post June 03, 2020, 1021 UTC
by Ray Lalleu
3 Replies
453 Views
Last post May 13, 2025, 2213 UTC
by Ray Lalleu
2 Replies
241 Views
Last post July 25, 2023, 2324 UTC
by N2MLP
1 Replies
535 Views
Last post November 16, 2019, 1605 UTC
by dandan22
1 Replies
275 Views
Last post November 02, 2024, 0349 UTC
by Alex BLR
0 Replies
283 Views
Last post November 13, 2022, 1949 UTC
by Ray Lalleu
1 Replies
419 Views
Last post January 17, 2021, 1659 UTC
by kris
0 Replies
406 Views
Last post March 17, 2019, 0742 UTC
by Ray Lalleu
0 Replies
261 Views
Last post March 17, 2024, 1729 UTC
by Ray Lalleu
1 Replies
488 Views
Last post April 03, 2022, 1528 UTC
by Bali_Frank
1 Replies
468 Views
Last post April 25, 2021, 0717 UTC
by kris

 

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