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
1110 Views
Last post April 12, 2017, 1946 UTC
by flexoman61
3 Replies
2182 Views
Last post April 13, 2017, 1331 UTC
by R4002
1 Replies
2311 Views
Last post December 31, 2017, 0956 UTC
by Kage
0 Replies
1644 Views
Last post February 21, 2014, 1406 UTC
by germanshepherd
0 Replies
3046 Views
Last post December 24, 2013, 0413 UTC
by glimmer twin
0 Replies
664 Views
Last post December 19, 2024, 1950 UTC
by Gr0undPlan3
3 Replies
1072 Views
Last post October 28, 2023, 2054 UTC
by Shortwave_Listener
0 Replies
676 Views
Last post January 05, 2022, 1649 UTC
by hammarhead
0 Replies
692 Views
Last post January 05, 2022, 1654 UTC
by hammarhead
1 Replies
901 Views
Last post January 11, 2022, 2057 UTC
by Josh
0 Replies
826 Views
Last post January 15, 2022, 1818 UTC
by hammarhead
0 Replies
771 Views
Last post January 15, 2022, 1830 UTC
by hammarhead
1 Replies
869 Views
Last post October 26, 2021, 0220 UTC
by Elf36
0 Replies
685 Views
Last post December 22, 2021, 1900 UTC
by hammarhead
0 Replies
759 Views
Last post February 03, 2022, 1642 UTC
by hammarhead
0 Replies
666 Views
Last post December 22, 2021, 1908 UTC
by hammarhead
1 Replies
884 Views
Last post July 27, 2022, 0005 UTC
by Pigmeat
0 Replies
766 Views
Last post December 27, 2021, 1848 UTC
by hammarhead
0 Replies
821 Views
Last post February 15, 2022, 1955 UTC
by hammarhead
1 Replies
607 Views
Last post July 12, 2024, 1148 UTC
by R4002

 

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