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
7 Replies
5530 Views
Last post January 17, 2021, 1641 UTC
by brutusmountain
0 Replies
983 Views
Last post December 21, 2020, 1153 UTC
by kris
1 Replies
1271 Views
Last post December 21, 2020, 0519 UTC
by Charlie_Dont_Surf
3 Replies
1329 Views
Last post December 17, 2020, 2207 UTC
by kris
0 Replies
995 Views
Last post December 05, 2020, 0112 UTC
by kris
26 Replies
8984 Views
Last post November 28, 2020, 2341 UTC
by Looking-Glass
0 Replies
1024 Views
Last post November 21, 2020, 2359 UTC
by kris
3 Replies
1375 Views
Last post November 06, 2020, 1150 UTC
by ChrisSmolinski
0 Replies
900 Views
Last post November 03, 2020, 1311 UTC
by kris
10 Replies
2887 Views
Last post October 26, 2020, 0427 UTC
by LW99
3 Replies
8922 Views
Last post October 24, 2020, 1637 UTC
by SV1XV
0 Replies
922 Views
Last post October 13, 2020, 1530 UTC
by kris
3 Replies
1296 Views
Last post October 09, 2020, 1633 UTC
by skyman
0 Replies
997 Views
Last post October 03, 2020, 1049 UTC
by kris
16 Replies
13829 Views
Last post September 20, 2020, 2059 UTC
by kris
0 Replies
1081 Views
Last post September 11, 2020, 2221 UTC
by ulx2
1 Replies
2438 Views
Last post September 03, 2020, 1043 UTC
by ChrisSmolinski
3 Replies
1545 Views
Last post August 31, 2020, 0223 UTC
by Rurik
Random bursts

Started by WrongwayCorrigan

5 Replies
7013 Views
Last post August 17, 2020, 2158 UTC
by sat_dxer
2 Replies
1442 Views
Last post July 03, 2020, 1439 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 Garden Flag
by MitchellTimeDesigns