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
17 Replies
8474 Views
Last post October 31, 2016, 2344 UTC
by ByteBORG
17 Replies
4524 Views
Last post June 22, 2015, 2109 UTC
by ByteBORG
17 Replies
1851 Views
Last post September 30, 2023, 0148 UTC
by Grumpy Grandpa
17 Replies
1929 Views
Last post November 01, 2022, 0135 UTC
by Zoidberg
17 Replies
3848 Views
Last post December 27, 2015, 0018 UTC
by ChrisSmolinski
17 Replies
2247 Views
Last post March 05, 2022, 2221 UTC
by Radio Star
17 Replies
3740 Views
Last post March 18, 2018, 1416 UTC
by ChrisSmolinski
17 Replies
2344 Views
Last post March 06, 2025, 2353 UTC
by Ray Lalleu
17 Replies
1569 Views
Last post March 08, 2025, 0003 UTC
by Big Badfish Al
17 Replies
4328 Views
Last post December 02, 2013, 0132 UTC
by LighthouseOhio
17 Replies
3018 Views
Last post September 14, 2019, 0103 UTC
by MDK2
17 Replies
2722 Views
Last post November 22, 2020, 0316 UTC
by Molvania Poacher
17 Replies
3079 Views
Last post November 24, 2023, 0254 UTC
by Gino Italy
17 Replies
3383 Views
Last post November 23, 2020, 0049 UTC
by PirateSWL
17 Replies
2479 Views
Last post February 20, 2022, 0322 UTC
by Markokpik
17 Replies
6423 Views
Last post November 16, 2014, 1556 UTC
by Skipmuck
17 Replies
2342 Views
Last post October 14, 2023, 2327 UTC
by Grumpy Grandpa
17 Replies
4124 Views
Last post February 14, 2016, 1955 UTC
by Mentholyptus
17 Replies
3239 Views
Last post December 25, 2020, 0257 UTC
by myteaquinn
17 Replies
2033 Views
Last post January 01, 2024, 0110 UTC
by outhouse radio

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns