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
546 Views
Last post June 14, 2025, 1739 UTC
by Princo
3 Replies
321 Views
Last post December 28, 2024, 1650 UTC
by Fisherman
0 Replies
166 Views
Last post January 25, 2025, 1622 UTC
by Ray Lalleu
1 Replies
243 Views
Last post February 01, 2025, 1721 UTC
by Ray Lalleu
0 Replies
253 Views
Last post February 11, 2023, 1618 UTC
by Ray Lalleu
3 Replies
325 Views
Last post July 12, 2025, 1750 UTC
by Robertas
0 Replies
218 Views
Last post December 07, 2024, 1616 UTC
by Ray Lalleu
0 Replies
353 Views
Last post December 18, 2021, 1617 UTC
by Ray Lalleu
0 Replies
83 Views
Last post September 06, 2025, 1615 UTC
by Ray Lalleu
1 Replies
311 Views
Last post February 08, 2025, 1734 UTC
by Mad Radio DXer UK
0 Replies
101 Views
Last post August 02, 2025, 1616 UTC
by Ray Lalleu
2 Replies
690 Views
Last post September 19, 2021, 1700 UTC
by KaySeeks
0 Replies
181 Views
Last post February 15, 2025, 1613 UTC
by Ray Lalleu
1 Replies
466 Views
Last post January 22, 2022, 1633 UTC
by Bali_Frank
1 Replies
215 Views
Last post August 25, 2024, 1653 UTC
by FOX
2 Replies
208 Views
Last post June 28, 2025, 1725 UTC
by europirate
1 Replies
314 Views
Last post April 01, 2024, 1618 UTC
by Fisherman
1 Replies
522 Views
Last post November 21, 2021, 1613 UTC
by Bali_Frank
1 Replies
477 Views
Last post March 12, 2022, 1629 UTC
by Bali_Frank
1 Replies
229 Views
Last post September 15, 2024, 1644 UTC
by europirate

 

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