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
271 Views
Last post July 03, 2025, 1449 UTC
by AlexRadioDX
11 Replies
3836 Views
Last post November 16, 2013, 1801 UTC
by ChrisSmolinski
1 Replies
980 Views
Last post November 07, 2015, 2243 UTC
by ChrisSmolinski
1 Replies
1323 Views
Last post February 05, 2012, 2217 UTC
by syfr
0 Replies
654 Views
Last post July 23, 2022, 1315 UTC
by Ron Hunsicker
6 Replies
3518 Views
Last post November 24, 2013, 2218 UTC
by Nella F.
2 Replies
1211 Views
Last post December 05, 2014, 1358 UTC
by ChrisSmolinski
0 Replies
1038 Views
Last post March 03, 2013, 2319 UTC
by Ron Hunsicker
7 Replies
2002 Views
Last post November 03, 2012, 2208 UTC
by aurora
0 Replies
894 Views
Last post December 27, 2012, 0121 UTC
by Ron Hunsicker
3 Replies
1332 Views
Last post October 14, 2012, 1342 UTC
by ChrisSmolinski
2 Replies
606 Views
Last post June 30, 2022, 0231 UTC
by ~SIGINT~
0 Replies
465 Views
Last post September 25, 2021, 1040 UTC
by Ron Hunsicker
1 Replies
956 Views
Last post November 08, 2015, 0011 UTC
by ChrisSmolinski
7 Replies
2175 Views
Last post November 04, 2012, 1901 UTC
by Sealord
4 Replies
1499 Views
Last post May 04, 2018, 1117 UTC
by ChrisSmolinski
3 Replies
1406 Views
Last post February 03, 2016, 2013 UTC
by Oliver
14 Replies
3642 Views
Last post December 22, 2015, 2329 UTC
by ByteBORG
1 Replies
1074 Views
Last post January 16, 2016, 1933 UTC
by R4002
2 Replies
776 Views
Last post January 23, 2020, 2252 UTC
by MDK2

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns