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
716 Views
Last post January 06, 2024, 1539 UTC
by kris
3 Replies
455 Views
Last post November 25, 2023, 1730 UTC
by kris
2 Replies
204 Views
Last post November 09, 2024, 1033 UTC
by europirate
1 Replies
248 Views
Last post December 02, 2023, 1655 UTC
by kris
2 Replies
481 Views
Last post January 27, 2024, 1508 UTC
by Fisherman
2 Replies
247 Views
Last post December 03, 2023, 1650 UTC
by FOX
0 Replies
193 Views
Last post October 05, 2024, 0831 UTC
by Ray Lalleu
3 Replies
335 Views
Last post October 26, 2024, 1916 UTC
by Ray Lalleu
4 Replies
704 Views
Last post November 26, 2023, 2039 UTC
by EagleWave
1 Replies
237 Views
Last post November 02, 2024, 1733 UTC
by Ray Lalleu
2 Replies
300 Views
Last post June 10, 2023, 1947 UTC
by ShortwaveRadio.de
1 Replies
265 Views
Last post March 09, 2024, 2010 UTC
by kris
1 Replies
320 Views
Last post February 24, 2024, 1314 UTC
by Ray Lalleu
2 Replies
339 Views
Last post May 26, 2023, 1948 UTC
by kris
0 Replies
222 Views
Last post May 14, 2023, 1836 UTC
by Ray Lalleu
0 Replies
191 Views
Last post May 07, 2023, 1720 UTC
by Ray Lalleu
3 Replies
397 Views
Last post May 06, 2023, 1858 UTC
by Ray Lalleu
2 Replies
497 Views
Last post November 04, 2023, 1514 UTC
by Bricklayer
2 Replies
470 Views
Last post November 19, 2023, 0014 UTC
by N2MLP
4 Replies
564 Views
Last post November 11, 2023, 1722 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