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
5 Replies
599 Views
Last post January 02, 2025, 1437 UTC
by Sarge94
0 Replies
599 Views
Last post June 01, 2019, 1512 UTC
by ChrisSmolinski
1 Replies
599 Views
Last post December 01, 2021, 1800 UTC
by ChrisSmolinski
2 Replies
599 Views
Last post September 17, 2021, 0008 UTC
by myteaquinn
1 Replies
599 Views
Last post February 18, 2024, 1753 UTC
by N2MLP
0 Replies
599 Views
Last post March 21, 2020, 1941 UTC
by ChrisSmolinski
0 Replies
599 Views
Last post September 19, 2021, 2048 UTC
by Treehouse SWL
0 Replies
599 Views
Last post November 11, 2017, 0056 UTC
by refmo
3 Replies
599 Views
Last post October 30, 2022, 1655 UTC
by ION Radio
0 Replies
599 Views
Last post June 22, 2018, 1654 UTC
by ChrisSmolinski
1 Replies
599 Views
Last post January 11, 2019, 2308 UTC
by refmo
0 Replies
599 Views
Last post September 05, 2022, 0117 UTC
by refmo
6 Replies
598 Views
Last post June 18, 2023, 2213 UTC
by N2MLP
2 Replies
598 Views
Last post April 24, 2023, 0208 UTC
by Pigmeat
4 Replies
598 Views
Last post April 16, 2023, 0509 UTC
by Shortwave_Listener
0 Replies
598 Views
Last post May 16, 2019, 1145 UTC
by ChrisSmolinski
5 Replies
598 Views
Last post October 31, 2024, 1148 UTC
by osiris
1 Replies
598 Views
Last post October 19, 2021, 1436 UTC
by Andrew Yoder
0 Replies
598 Views
Last post May 26, 2018, 1102 UTC
by Skipmuck
3 Replies
598 Views
Last post February 28, 2025, 1820 UTC
by Radiouser

 

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