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
2 Replies
554 Views
Last post October 07, 2021, 1915 UTC
by dxace1
0 Replies
177 Views
Last post October 01, 2023, 0817 UTC
by Ray Lalleu
0 Replies
222 Views
Last post July 08, 2025, 1627 UTC
by Ray Lalleu
1 Replies
596 Views
Last post June 14, 2018, 2121 UTC
by KaySeeks
0 Replies
430 Views
Last post September 30, 2019, 1431 UTC
by Ray Lalleu
0 Replies
313 Views
Last post August 01, 2020, 2005 UTC
by Ray Lalleu
0 Replies
438 Views
Last post June 22, 2021, 1204 UTC
by Ray Lalleu
0 Replies
241 Views
Last post May 29, 2023, 0903 UTC
by Ray Lalleu
0 Replies
216 Views
Last post April 07, 2025, 1700 UTC
by Ray Lalleu
0 Replies
444 Views
Last post April 06, 2019, 1704 UTC
by Ray Lalleu
0 Replies
331 Views
Last post April 29, 2020, 1936 UTC
by Ray Lalleu
1 Replies
539 Views
Last post January 09, 2022, 1104 UTC
by ukdxer
2 Replies
352 Views
Last post December 10, 2022, 1101 UTC
by Bali_Frank
0 Replies
552 Views
Last post January 04, 2024, 2051 UTC
by Ray Lalleu
1 Replies
113 Views
Last post October 10, 2025, 1722 UTC
by Alex BLR
0 Replies
541 Views
Last post November 02, 2018, 1648 UTC
by Ray Lalleu
0 Replies
288 Views
Last post August 08, 2024, 1552 UTC
by Ray Lalleu
2 Replies
793 Views
Last post August 10, 2019, 2306 UTC
by Skipmuck
0 Replies
442 Views
Last post March 29, 2020, 0847 UTC
by Ray Lalleu
1 Replies
463 Views
Last post December 04, 2021, 1135 UTC
by Bali_Frank

 

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