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
667 Views
Last post September 28, 2016, 1415 UTC
by ChrisSmolinski
8 Replies
1273 Views
Last post December 09, 2024, 0248 UTC
by Dr. Strangelove
2 Replies
1428 Views
Last post April 14, 2017, 1530 UTC
by ChrisSmolinski
0 Replies
1336 Views
Last post June 08, 2017, 1221 UTC
by ChrisSmolinski
2 Replies
1202 Views
Last post February 25, 2017, 0303 UTC
by Markokpik
0 Replies
786 Views
Last post January 27, 2017, 1654 UTC
by ChrisSmolinski
1 Replies
1168 Views
Last post July 08, 2016, 0027 UTC
by ByteBORG
0 Replies
911 Views
Last post December 16, 2013, 1219 UTC
by ChrisSmolinski
0 Replies
424 Views
Last post January 31, 2023, 0223 UTC
by Skipmuck
2 Replies
1076 Views
Last post May 15, 2018, 1144 UTC
by ChrisSmolinski
5 Replies
704 Views
Last post March 23, 2024, 0248 UTC
by shadypyro
3 Replies
3635 Views
Last post February 23, 2015, 1508 UTC
by ChrisSmolinski
0 Replies
826 Views
Last post August 02, 2016, 1452 UTC
by ChrisSmolinski
0 Replies
514 Views
Last post March 23, 2021, 1258 UTC
by ChrisSmolinski
0 Replies
1109 Views
Last post July 03, 2017, 1335 UTC
by ChrisSmolinski
2 Replies
1217 Views
Last post August 11, 2017, 1732 UTC
by ChrisSmolinski
0 Replies
622 Views
Last post July 18, 2017, 1404 UTC
by ChrisSmolinski
0 Replies
770 Views
Last post April 07, 2017, 1434 UTC
by ChrisSmolinski
0 Replies
1501 Views
Last post March 02, 2015, 1417 UTC
by ChrisSmolinski
1 Replies
800 Views
Last post July 05, 2018, 1457 UTC
by ChrisSmolinski

 

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