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
4 Replies
652 Views
Last post December 25, 2022, 1940 UTC
by Mad Radio DXer UK
1 Replies
652 Views
Last post May 07, 2018, 2142 UTC
by ChrisSmolinski
2 Replies
652 Views
Last post June 09, 2022, 2251 UTC
by Skipmuck
0 Replies
652 Views
Last post September 02, 2019, 2038 UTC
by Ray Lalleu
2 Replies
652 Views
Last post December 10, 2021, 1539 UTC
by dxace1
3 Replies
652 Views
Last post October 19, 2021, 2212 UTC
by Bali_Frank
2 Replies
652 Views
Last post January 30, 2021, 1203 UTC
by ImageradioUK
4 Replies
652 Views
Last post July 16, 2024, 0835 UTC
by Benoit LEVEQUE
3 Replies
652 Views
Last post September 22, 2018, 2142 UTC
by Ct Yankee
4 Replies
652 Views
Last post December 07, 2019, 1606 UTC
by Ray Lalleu
3 Replies
652 Views
Last post June 10, 2021, 1231 UTC
by ChrisSmolinski
3 Replies
652 Views
Last post August 22, 2021, 1835 UTC
by Ray Lalleu
4 Replies
651 Views
Last post April 15, 2021, 2321 UTC
by Radio Star
2 Replies
651 Views
Last post June 27, 2018, 0005 UTC
by Ray Lalleu
1 Replies
651 Views
Last post January 18, 2020, 0919 UTC
by Ray Lalleu
1 Replies
651 Views
Last post July 14, 2018, 1633 UTC
by Brian
2 Replies
651 Views
Last post April 21, 2019, 1741 UTC
by cj468
1 Replies
651 Views
Last post August 14, 2018, 1727 UTC
by Oliver
4 Replies
651 Views
Last post September 30, 2023, 1832 UTC
by Jari Finland
2 Replies
651 Views
Last post October 05, 2018, 2204 UTC
by DimBulb

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns