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
863 Views
Last post April 09, 2020, 0644 UTC
by Treehouse SWL
2 Replies
1558 Views
Last post October 22, 2016, 0000 UTC
by fpeconsultant
0 Replies
1206 Views
Last post May 25, 2018, 1341 UTC
by sat_dxer
1 Replies
1273 Views
Last post December 29, 2021, 1410 UTC
by sat_dxer
3 Replies
1947 Views
Last post May 26, 2017, 1635 UTC
by Josh
1 Replies
901 Views
Last post August 06, 2023, 1452 UTC
by ~SIGINT~
3 Replies
3522 Views
Last post February 20, 2015, 1427 UTC
by sat_dxer
1 Replies
1904 Views
Last post March 15, 2018, 2311 UTC
by Looking-Glass
0 Replies
697 Views
Last post March 03, 2023, 1054 UTC
by TRI International
0 Replies
495 Views
Last post December 11, 2024, 1947 UTC
by Gr0undPlan3
0 Replies
526 Views
Last post March 31, 2024, 1408 UTC
by MDK2
1 Replies
1842 Views
Last post October 24, 2016, 0334 UTC
by Looking-Glass
1 Replies
1076 Views
Last post September 13, 2018, 1350 UTC
by sat_dxer
0 Replies
692 Views
Last post October 01, 2019, 1229 UTC
by Skipmuck
0 Replies
587 Views
Last post February 18, 2022, 1218 UTC
by Erik Mattson
1 Replies
744 Views
Last post January 06, 2025, 2021 UTC
by JCMaxwell
7 Replies
2869 Views
Last post January 26, 2017, 0355 UTC
by MDK2
0 Replies
855 Views
Last post February 13, 2021, 1357 UTC
by ~SIGINT~
0 Replies
693 Views
Last post October 09, 2023, 1012 UTC
by TRI International
0 Replies
610 Views
Last post October 14, 2023, 1910 UTC
by TRI International

 

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