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
3492 Views
Last post February 24, 2019, 0221 UTC
by myteaquinn
17 Replies
2358 Views
Last post November 11, 2018, 2307 UTC
by blw
17 Replies
2285 Views
Last post June 10, 2019, 1432 UTC
by ChrisSmolinski
17 Replies
773 Views
Last post May 27, 2023, 0254 UTC
by Markokpik
17 Replies
5860 Views
Last post April 14, 2012, 1510 UTC
by ChrisSmolinski
17 Replies
755 Views
Last post June 04, 2023, 0331 UTC
by canswl
17 Replies
3326 Views
Last post December 26, 2017, 1733 UTC
by RainBrandy
17 Replies
6492 Views
Last post May 26, 2015, 0250 UTC
by Zane
17 Replies
4438 Views
Last post April 07, 2012, 0541 UTC
by Rafman
17 Replies
1033 Views
Last post June 12, 2023, 1929 UTC
by Pigmeat
17 Replies
1726 Views
Last post October 31, 2021, 0047 UTC
by blw
17 Replies
1681 Views
Last post May 06, 2019, 1206 UTC
by ChrisSmolinski
17 Replies
3278 Views
Last post November 26, 2017, 0335 UTC
by bandarr3000
17 Replies
3149 Views
Last post February 19, 2019, 2238 UTC
by JimIO
17 Replies
936 Views
Last post May 22, 2023, 0350 UTC
by clobdell
17 Replies
2327 Views
Last post June 24, 2019, 1418 UTC
by ChrisSmolinski
17 Replies
847 Views
Last post May 09, 2023, 2350 UTC
by Markokpik
17 Replies
3693 Views
Last post October 29, 2017, 2336 UTC
by jFarley
17 Replies
1710 Views
Last post September 18, 2021, 0044 UTC
by Sparkyzilla85
17 Replies
741 Views
Last post April 15, 2023, 2319 UTC
by Dr. Strangelove

 

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