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
1240 Views
Last post September 08, 2018, 1726 UTC
by Josh
0 Replies
484 Views
Last post August 03, 2021, 1957 UTC
by kris
0 Replies
580 Views
Last post February 24, 2023, 1933 UTC
by kris
0 Replies
978 Views
Last post November 09, 2019, 2243 UTC
by linkz
0 Replies
576 Views
Last post January 05, 2021, 1251 UTC
by kris
0 Replies
812 Views
Last post September 16, 2018, 2202 UTC
by [tRMZ]
0 Replies
464 Views
Last post March 10, 2023, 2320 UTC
by kris
8992 EAM

Started by Ticom

0 Replies
720 Views
Last post February 07, 2020, 0110 UTC
by Ticom
0 Replies
709 Views
Last post January 05, 2019, 0348 UTC
by myteaquinn
0 Replies
799 Views
Last post November 14, 2018, 0007 UTC
by R4002
0 Replies
1128 Views
Last post September 23, 2018, 0105 UTC
by Treehouse SWL
0 Replies
1065 Views
Last post October 27, 2018, 1322 UTC
by R4002
0 Replies
894 Views
Last post October 01, 2018, 0019 UTC
by Josh
0 Replies
752 Views
Last post October 01, 2018, 0040 UTC
by Josh
0 Replies
535 Views
Last post March 28, 2023, 1441 UTC
by kris
0 Replies
531 Views
Last post August 31, 2021, 0051 UTC
by Moxon16
0 Replies
985 Views
Last post October 14, 2018, 1916 UTC
by Josh
Logs

Started by Ary-B

0 Replies
1275 Views
Last post October 15, 2018, 0555 UTC
by Ary-B
0 Replies
719 Views
Last post June 20, 2019, 1420 UTC
by East Troy Don
29779.0 kHz RTTY

Started by Dag

0 Replies
292 Views
Last post December 10, 2022, 1438 UTC
by Dag

 

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