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
596 Views
Last post February 19, 2019, 2305 UTC
by PirateSWL
9 Replies
596 Views
Last post February 01, 2025, 0335 UTC
by Professor
0 Replies
596 Views
Last post December 03, 2016, 1545 UTC
by ChrisSmolinski
3 Replies
596 Views
Last post July 02, 2022, 2045 UTC
by Rob.
0 Replies
596 Views
Last post September 30, 2019, 0311 UTC
by Treehouse SWL
1 Replies
595 Views
Last post August 03, 2021, 1534 UTC
by ChrisSmolinski
0 Replies
595 Views
Last post September 15, 2019, 1420 UTC
by ChrisSmolinski
0 Replies
595 Views
Last post September 30, 2017, 2149 UTC
by ChrisSmolinski
2 Replies
595 Views
Last post November 04, 2024, 1944 UTC
by ChrisSmolinski
0 Replies
595 Views
Last post August 09, 2015, 1541 UTC
by ChrisSmolinski
0 Replies
595 Views
Last post July 14, 2019, 1257 UTC
by ChrisSmolinski
0 Replies
595 Views
Last post January 28, 2018, 2230 UTC
by PirateSWL
0 Replies
595 Views
Last post September 02, 2018, 1215 UTC
by ChrisSmolinski
0 Replies
595 Views
Last post March 19, 2016, 1616 UTC
by ChrisSmolinski
0 Replies
595 Views
Last post May 10, 2020, 0137 UTC
by Andrew Yoder
6 Replies
595 Views
Last post April 14, 2024, 2345 UTC
by hsmith77
0 Replies
595 Views
Last post May 31, 2018, 0949 UTC
by ChrisSmolinski
3 Replies
595 Views
Last post July 15, 2022, 0056 UTC
by Bali_Frank
1 Replies
595 Views
Last post May 28, 2022, 0514 UTC
by Shortwave_Listener
1 Replies
595 Views
Last post April 24, 2025, 2021 UTC
by Ron Hunsicker

 

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