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
573 Views
Last post August 31, 2022, 2022 UTC
by KaySeeks
1 Replies
473 Views
Last post August 08, 2020, 1654 UTC
by R319
1 Replies
479 Views
Last post April 03, 2022, 1721 UTC
by Ray Lalleu
0 Replies
414 Views
Last post April 02, 2022, 2001 UTC
by Bali_Frank
0 Replies
312 Views
Last post September 17, 2022, 1946 UTC
by Ray Lalleu
1 Replies
217 Views
Last post September 16, 2022, 2233 UTC
by kris
1 Replies
267 Views
Last post September 15, 2023, 2042 UTC
by kris
0 Replies
411 Views
Last post October 19, 2019, 1555 UTC
by Ray Lalleu
4 Replies
1140 Views
Last post August 26, 2018, 0423 UTC
by KaySeeks
0 Replies
483 Views
Last post November 18, 2019, 1614 UTC
by Ray Lalleu
1 Replies
473 Views
Last post February 12, 2022, 1355 UTC
by Ray Lalleu
0 Replies
146 Views
Last post September 05, 2025, 1525 UTC
by Ray Lalleu
6 Replies
1938 Views
Last post December 13, 2021, 0444 UTC
by kalvados
5 Replies
587 Views
Last post February 26, 2023, 1758 UTC
by Ray Lalleu
2 Replies
493 Views
Last post May 27, 2022, 1921 UTC
by Ray Lalleu
2 Replies
1266 Views
Last post April 16, 2016, 0049 UTC
by DimBulb
4 Replies
1238 Views
Last post May 25, 2019, 2250 UTC
by DimBulb
4 Replies
1111 Views
Last post May 24, 2019, 2233 UTC
by ChrisSmolinski
1 Replies
412 Views
Last post November 02, 2019, 1651 UTC
by Ray Lalleu
1 Replies
565 Views
Last post February 02, 2020, 1335 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