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
2218 Views
Last post January 08, 2013, 1123 UTC
by ulx2
1 Replies
397 Views
Last post April 15, 2024, 1716 UTC
by Ray Lalleu
2 Replies
531 Views
Last post April 08, 2024, 1936 UTC
by Benoit LEVEQUE
1 Replies
337 Views
Last post May 08, 2024, 1858 UTC
by FOX
1 Replies
420 Views
Last post April 25, 2024, 1705 UTC
by Fisherman
4 Replies
835 Views
Last post January 28, 2024, 1431 UTC
by kris
1 Replies
354 Views
Last post November 11, 2024, 1907 UTC
by Shortwave_Listener
0 Replies
193 Views
Last post November 27, 2024, 1812 UTC
by Ray Lalleu
4 Replies
472 Views
Last post October 31, 2024, 1847 UTC
by kris
0 Replies
268 Views
Last post December 02, 2024, 1712 UTC
by Ray Lalleu
1 Replies
238 Views
Last post November 30, 2024, 1740 UTC
by kris
1 Replies
256 Views
Last post January 31, 2025, 1810 UTC
by kris
0 Replies
275 Views
Last post September 16, 2024, 1705 UTC
by Ray Lalleu
0 Replies
239 Views
Last post April 26, 2024, 1643 UTC
by Ray Lalleu
2 Replies
431 Views
Last post November 25, 2024, 1850 UTC
by kris
2 Replies
483 Views
Last post October 23, 2024, 1701 UTC
by Alex BLR
0 Replies
249 Views
Last post February 12, 2025, 1626 UTC
by Ray Lalleu
1 Replies
287 Views
Last post December 09, 2024, 1648 UTC
by kris
0 Replies
229 Views
Last post January 29, 2025, 1540 UTC
by Ray Lalleu
1 Replies
349 Views
Last post December 05, 2024, 1703 UTC
by kris

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns