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
0 Replies
349 Views
Last post October 13, 2022, 1454 UTC
by Ray Lalleu
0 Replies
254 Views
Last post October 12, 2024, 0720 UTC
by Ray Lalleu
1 Replies
541 Views
Last post October 16, 2019, 1844 UTC
by dandan22
1 Replies
446 Views
Last post July 09, 2021, 1142 UTC
by Bali_Frank
0 Replies
199 Views
Last post June 17, 2023, 2017 UTC
by Ray Lalleu
0 Replies
341 Views
Last post May 10, 2020, 0856 UTC
by Ray Lalleu
4 Replies
703 Views
Last post March 27, 2021, 1613 UTC
by ukdxer
0 Replies
327 Views
Last post January 20, 2024, 1914 UTC
by Ray Lalleu
0 Replies
176 Views
Last post January 11, 2025, 1100 UTC
by Ray Lalleu
0 Replies
469 Views
Last post November 23, 2018, 1639 UTC
by Ray Lalleu
0 Replies
252 Views
Last post February 20, 2020, 1103 UTC
by Ray Lalleu
0 Replies
386 Views
Last post November 15, 2020, 1347 UTC
by Ray Lalleu
0 Replies
298 Views
Last post August 11, 2022, 2021 UTC
by Ray Lalleu
1 Replies
311 Views
Last post October 15, 2023, 1724 UTC
by kris
0 Replies
577 Views
Last post July 08, 2018, 1019 UTC
by Ray Lalleu
3 Replies
773 Views
Last post August 19, 2020, 2041 UTC
by ukdxer
1 Replies
580 Views
Last post April 30, 2022, 1441 UTC
by Shortwave_Listener
2 Replies
431 Views
Last post April 18, 2024, 2121 UTC
by Benoit LEVEQUE
0 Replies
487 Views
Last post April 22, 2019, 0953 UTC
by Ray Lalleu
0 Replies
254 Views
Last post December 28, 2022, 1534 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