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
359 Views
Last post March 17, 2024, 2025 UTC
by shadypyro
2 Replies
534 Views
Last post February 19, 2024, 2023 UTC
by Shortwave_Listener
1 Replies
177 Views
Last post January 27, 2025, 0218 UTC
by myteaquinn
0 Replies
142 Views
Last post January 12, 2025, 0157 UTC
by Radiouser
0 Replies
107 Views
Last post December 23, 2024, 1933 UTC
by Radiouser
0 Replies
319 Views
Last post March 15, 2024, 0036 UTC
by Molvania Poacher
1 Replies
387 Views
Last post April 16, 2024, 0134 UTC
by myteaquinn
0 Replies
365 Views
Last post May 07, 2024, 0023 UTC
by Molvania Poacher
3 Replies
304 Views
Last post November 10, 2024, 2332 UTC
by Molvania Poacher
6 Replies
863 Views
Last post July 10, 2022, 0117 UTC
by Shortwave_Listener
3 Replies
527 Views
Last post August 14, 2022, 1239 UTC
by Ct Yankee
5 Replies
856 Views
Last post July 22, 2024, 0331 UTC
by Treehouse SWL
2 Replies
2368 Views
Last post September 07, 2013, 1718 UTC
by olddxer
0 Replies
641 Views
Last post September 02, 2019, 2252 UTC
by Big Badfish Al
0 Replies
1142 Views
Last post October 27, 2017, 1644 UTC
by Oliver
0 Replies
590 Views
Last post December 05, 2017, 2150 UTC
by ChrisSmolinski
Bogusman QSL

Started by oly1959

0 Replies
1486 Views
Last post February 06, 2015, 1939 UTC
by oly1959
3 Replies
1812 Views
Last post September 08, 2019, 1835 UTC
by Jock Wilson
Bogusman Radio QSL

Started by oly1959

0 Replies
1108 Views
Last post May 15, 2014, 0127 UTC
by oly1959
Boom Box

Started by hsmith77

3 Replies
637 Views
Last post August 14, 2023, 0116 UTC
by hsmith77

 

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