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
1153 Views
Last post January 23, 2019, 2356 UTC
by Ray Lalleu
2 Replies
1038 Views
Last post January 26, 2019, 0015 UTC
by Skipmuck
2 Replies
1196 Views
Last post January 30, 2019, 0007 UTC
by flexoman61
2 Replies
799 Views
Last post April 13, 2022, 2328 UTC
by Skipmuck
2 Replies
1113 Views
Last post February 01, 2019, 1506 UTC
by ChrisSmolinski
2 Replies
1044 Views
Last post February 09, 2019, 0025 UTC
by Daniel Wyllyans
2 Replies
1269 Views
Last post April 13, 2018, 1404 UTC
by Daniel Wyllyans
2 Replies
1405 Views
Last post February 10, 2019, 2321 UTC
by Daniel Wyllyans
2 Replies
957 Views
Last post April 26, 2022, 1827 UTC
by Skipmuck
2 Replies
949 Views
Last post April 30, 2022, 2354 UTC
by wldpc
2 Replies
845 Views
Last post April 24, 2022, 2217 UTC
by Shortwave_Listener
2 Replies
864 Views
Last post September 06, 2022, 2101 UTC
by Shortwave_Listener
2 Replies
1261 Views
Last post March 05, 2019, 1817 UTC
by Daniel Wyllyans
2 Replies
1129 Views
Last post March 09, 2019, 1331 UTC
by Daniel Wyllyans
2 Replies
1231 Views
Last post May 06, 2018, 1516 UTC
by Skipmuck
2 Replies
1244 Views
Last post May 07, 2018, 0103 UTC
by Helicaster
2 Replies
1016 Views
Last post May 12, 2018, 2111 UTC
by ChrisSmolinski
2 Replies
1496 Views
Last post April 19, 2019, 1918 UTC
by Daniel Wyllyans
2 Replies
2688 Views
Last post June 10, 2019, 2322 UTC
by ChrisSmolinski
2 Replies
1065 Views
Last post May 28, 2018, 1449 UTC
by ChrisSmolinski

 

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