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
473 Views
Last post March 06, 2022, 1258 UTC
by MDK2
1 Replies
506 Views
Last post February 25, 2022, 0359 UTC
by microwavejoe
1 Replies
645 Views
Last post March 18, 2022, 0124 UTC
by hsmith77
1 Replies
844 Views
Last post April 01, 2019, 1034 UTC
by ChrisSmolinski
1 Replies
955 Views
Last post July 04, 2015, 1542 UTC
by ByteBORG
1 Replies
899 Views
Last post April 01, 2019, 0022 UTC
by Davep
1 Replies
631 Views
Last post February 22, 2022, 0231 UTC
by Erik Mattson
1 Replies
521 Views
Last post February 20, 2022, 1652 UTC
by ION Radio
1 Replies
999 Views
Last post April 21, 2016, 0208 UTC
by Markokpik
1 Replies
1066 Views
Last post July 04, 2015, 0311 UTC
by refmo
1 Replies
926 Views
Last post June 11, 2016, 1236 UTC
by Tom Hooper
1 Replies
846 Views
Last post July 04, 2015, 1519 UTC
by ChrisSmolinski
1 Replies
813 Views
Last post January 14, 2016, 2250 UTC
by hsmith77
1 Replies
971 Views
Last post March 14, 2019, 1018 UTC
by ChrisSmolinski
1 Replies
1075 Views
Last post July 03, 2015, 1328 UTC
by ChrisSmolinski
1 Replies
994 Views
Last post July 03, 2015, 1326 UTC
by ChrisSmolinski
1 Replies
533 Views
Last post July 27, 2021, 0230 UTC
by Molvania Poacher
1 Replies
1787 Views
Last post February 28, 2016, 0055 UTC
by Skipmuck
1 Replies
535 Views
Last post February 20, 2022, 1714 UTC
by hammarhead
1 Replies
446 Views
Last post February 12, 2022, 2244 UTC
by Erik Mattson

 

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