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
598 Views
Last post February 14, 2021, 1733 UTC
by Ray Lalleu
3 Replies
598 Views
Last post July 23, 2023, 2303 UTC
by kris
1 Replies
598 Views
Last post February 08, 2020, 1615 UTC
by cj468
1 Replies
598 Views
Last post May 30, 2019, 2100 UTC
by Ray Lalleu
2 Replies
598 Views
Last post March 01, 2020, 1515 UTC
by Brian
2 Replies
598 Views
Last post August 15, 2020, 0954 UTC
by ukdxer
2 Replies
598 Views
Last post May 14, 2019, 1743 UTC
by The Ether Hacker
1 Replies
598 Views
Last post April 04, 2021, 1605 UTC
by Ray Lalleu
2 Replies
598 Views
Last post November 22, 2021, 2120 UTC
by ChrisSmolinski
1 Replies
598 Views
Last post May 04, 2019, 2124 UTC
by Ray Lalleu
1 Replies
598 Views
Last post June 15, 2021, 0937 UTC
by The Ether Hacker
2 Replies
598 Views
Last post March 26, 2021, 1620 UTC
by kris
1 Replies
598 Views
Last post January 28, 2022, 1904 UTC
by kris
2 Replies
598 Views
Last post September 22, 2021, 2032 UTC
by kris
1 Replies
598 Views
Last post April 16, 2020, 1847 UTC
by Ray Lalleu
3 Replies
598 Views
Last post September 02, 2021, 1949 UTC
by Grey Fox
3 Replies
598 Views
Last post July 19, 2020, 2220 UTC
by kris
2 Replies
598 Views
Last post February 18, 2019, 0542 UTC
by RTI
1 Replies
598 Views
Last post December 01, 2019, 1352 UTC
by ukdxer
1 Replies
598 Views
Last post February 01, 2019, 1644 UTC
by Ray Lalleu

 

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