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
5116 Views
Last post December 02, 2022, 0545 UTC
by Shortwave_Listener
2 Replies
7608 Views
Last post May 28, 2025, 0821 UTC
by Noodlehamops
0 Replies
3264 Views
Last post September 03, 2016, 0655 UTC
by prldx
0 Replies
2794 Views
Last post October 29, 2016, 1734 UTC
by prldx
0 Replies
2846 Views
Last post December 06, 2016, 2047 UTC
by prldx
0 Replies
2706 Views
Last post February 14, 2017, 2027 UTC
by kris
0 Replies
2676 Views
Last post February 24, 2017, 2338 UTC
by kris
0 Replies
2347 Views
Last post February 25, 2017, 2355 UTC
by kris
0 Replies
2783 Views
Last post March 03, 2017, 0052 UTC
by kris
0 Replies
2631 Views
Last post March 14, 2017, 0210 UTC
by kris
0 Replies
2859 Views
Last post March 21, 2017, 2224 UTC
by kris
0 Replies
2257 Views
Last post April 06, 2017, 2332 UTC
by kris
0 Replies
2274 Views
Last post April 13, 2017, 2311 UTC
by kris
0 Replies
2334 Views
Last post April 13, 2017, 2355 UTC
by kris
0 Replies
2417 Views
Last post April 14, 2017, 2148 UTC
by prldx
0 Replies
1966 Views
Last post May 16, 2017, 2254 UTC
by kris
0 Replies
2148 Views
Last post June 04, 2017, 2233 UTC
by kris
0 Replies
3116 Views
Last post June 05, 2017, 2310 UTC
by kris
0 Replies
2109 Views
Last post June 29, 2017, 1427 UTC
by wazzoo
0 Replies
2456 Views
Last post June 29, 2017, 1429 UTC
by wazzoo

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns