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
2 Replies
1753 Views
Last post June 12, 2020, 2245 UTC
by sat_dxer
0 Replies
1152 Views
Last post February 20, 2022, 1712 UTC
by Erik Mattson
1 Replies
1135 Views
Last post December 14, 2021, 2200 UTC
by ChrisSmolinski
0 Replies
469 Views
Last post October 07, 2023, 0950 UTC
by TRI International
0 Replies
435 Views
Last post October 09, 2023, 2121 UTC
by TRI International
4 Replies
893 Views
Last post October 11, 2023, 1956 UTC
by TRI International
0 Replies
1019 Views
Last post September 25, 2019, 1452 UTC
by ChrisSmolinski
0 Replies
1042 Views
Last post April 21, 2019, 0614 UTC
by KaySeeks
1 Replies
661 Views
Last post October 12, 2023, 1242 UTC
by tiNG
2 Replies
1672 Views
Last post December 26, 2019, 2336 UTC
by fpeconsultant
1 Replies
1307 Views
Last post April 02, 2019, 2003 UTC
by fpeconsultant
2 Replies
2015 Views
Last post December 24, 2019, 2250 UTC
by SV1XV
1 Replies
1540 Views
Last post April 01, 2019, 2335 UTC
by fpeconsultant
1 Replies
1342 Views
Last post May 07, 2019, 1923 UTC
by Josh
0 Replies
1187 Views
Last post May 10, 2019, 1601 UTC
by Skipmuck
4 Replies
2421 Views
Last post April 04, 2021, 1353 UTC
by ~SIGINT~
2 Replies
520 Views
Last post July 28, 2023, 1342 UTC
by ~SIGINT~
8 Replies
2586 Views
Last post January 01, 2020, 0917 UTC
by SV1XV
0 Replies
567 Views
Last post January 27, 2024, 2031 UTC
by IrvingtonVFD43
0 Replies
915 Views
Last post July 03, 2022, 2205 UTC
by circuitmike

 

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