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
404 Views
Last post July 16, 2022, 1923 UTC
by dxace1
1 Replies
544 Views
Last post June 16, 2018, 2031 UTC
by Ray Lalleu
0 Replies
716 Views
Last post June 18, 2016, 1718 UTC
by JoeFLIPS
3 Replies
662 Views
Last post June 15, 2022, 1915 UTC
by SWreflection
0 Replies
423 Views
Last post February 14, 2021, 1148 UTC
by Ray Lalleu
1 Replies
534 Views
Last post October 28, 2018, 1219 UTC
by kris
1 Replies
470 Views
Last post May 22, 2022, 1926 UTC
by Shortwave_Listener
2 Replies
306 Views
Last post August 09, 2023, 1839 UTC
by kris
2 Replies
595 Views
Last post April 03, 2022, 1816 UTC
by Alexey DXer
2 Replies
562 Views
Last post October 05, 2019, 1921 UTC
by ukdxer
2 Replies
285 Views
Last post November 12, 2023, 1734 UTC
by tomread
3 Replies
388 Views
Last post January 15, 2023, 1748 UTC
by Misti-Radio
1 Replies
330 Views
Last post October 16, 2022, 1619 UTC
by kris
2 Replies
522 Views
Last post December 28, 2019, 1906 UTC
by kris
4 Replies
649 Views
Last post December 07, 2019, 2249 UTC
by ukdxer
0 Replies
403 Views
Last post October 23, 2021, 1704 UTC
by Ray Lalleu
2 Replies
473 Views
Last post May 07, 2022, 1803 UTC
by kris
3 Replies
550 Views
Last post June 25, 2022, 1938 UTC
by kobalts
8 Replies
953 Views
Last post April 10, 2022, 2045 UTC
by europirate
2 Replies
631 Views
Last post August 13, 2019, 1942 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