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
914 Views
Last post January 20, 2024, 0038 UTC
by myteaquinn
0 Replies
914 Views
Last post December 02, 2019, 1131 UTC
by ChrisSmolinski
2 Replies
913 Views
Last post January 11, 2023, 0545 UTC
by Shortwave_Listener
0 Replies
913 Views
Last post February 04, 2019, 2148 UTC
by ChrisSmolinski
0 Replies
912 Views
Last post December 07, 2018, 1502 UTC
by ChrisSmolinski
0 Replies
912 Views
Last post January 03, 2019, 2314 UTC
by ChrisSmolinski
1 Replies
911 Views
Last post October 27, 2024, 1322 UTC
by ChrisSmolinski
1 Replies
910 Views
Last post September 06, 2018, 1217 UTC
by ChrisSmolinski
0 Replies
910 Views
Last post December 31, 2018, 2335 UTC
by ChrisSmolinski
1 Replies
910 Views
Last post April 29, 2022, 2138 UTC
by Ray Lalleu
0 Replies
910 Views
Last post March 17, 2019, 2241 UTC
by Daniel Wyllyans
4 Replies
910 Views
Last post September 03, 2023, 1302 UTC
by ChrisSmolinski
News

Started by Daniel Wyllyans

0 Replies
909 Views
Last post October 09, 2018, 1518 UTC
by Daniel Wyllyans
0 Replies
909 Views
Last post August 01, 2018, 2355 UTC
by ChrisSmolinski
0 Replies
909 Views
Last post January 02, 2020, 1242 UTC
by ChrisSmolinski
0 Replies
909 Views
Last post December 25, 2023, 0755 UTC
by BryanDX
0 Replies
908 Views
Last post August 24, 2023, 0823 UTC
by Daniel Wyllyans
0 Replies
908 Views
Last post February 12, 2019, 1142 UTC
by Daniel Wyllyans
0 Replies
908 Views
Last post May 22, 2024, 1108 UTC
by ChrisSmolinski
1 Replies
908 Views
Last post November 30, 2021, 1112 UTC
by Bali_Frank

 

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