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
3 Replies
408 Views
Last post March 23, 2025, 1327 UTC
by Ethernut
2 Replies
408 Views
Last post March 05, 2025, 1223 UTC
by Benoit LEVEQUE
3 Replies
408 Views
Last post October 14, 2024, 1630 UTC
by TRI International
2 Replies
408 Views
Last post October 06, 2024, 1822 UTC
by Jayden
1 Replies
408 Views
Last post July 22, 2024, 2129 UTC
by Ray Lalleu
0 Replies
408 Views
Last post December 31, 2023, 1240 UTC
by AlexRadioDX
1 Replies
408 Views
Last post December 05, 2023, 1947 UTC
by FOX
1 Replies
408 Views
Last post October 26, 2023, 1613 UTC
by europirate
1 Replies
408 Views
Last post October 22, 2023, 1544 UTC
by cupid radio
2 Replies
408 Views
Last post October 11, 2023, 2042 UTC
by kris
2 Replies
408 Views
Last post September 09, 2023, 2201 UTC
by Charlie_Dont_Surf
2 Replies
408 Views
Last post March 26, 2023, 1826 UTC
by ukdxer
2 Replies
408 Views
Last post November 01, 2022, 1554 UTC
by kobalts
1 Replies
408 Views
Last post July 31, 2022, 1435 UTC
by kris
1 Replies
408 Views
Last post July 17, 2022, 2051 UTC
by Ray Lalleu
0 Replies
408 Views
Last post July 12, 2022, 0757 UTC
by Ray Lalleu
1 Replies
408 Views
Last post June 05, 2022, 1652 UTC
by Ray Lalleu
1 Replies
408 Views
Last post May 28, 2022, 1608 UTC
by Shortwave_Listener
0 Replies
408 Views
Last post May 16, 2022, 1706 UTC
by Ray Lalleu
1 Replies
408 Views
Last post April 30, 2022, 1936 UTC
by Shortwave_Listener

 

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