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
9 Replies
2133 Views
Last post October 27, 2021, 1204 UTC
by Elf36
2 Replies
990 Views
Last post October 26, 2021, 1114 UTC
by ChrisSmolinski
1 Replies
851 Views
Last post October 26, 2021, 0220 UTC
by Elf36
0 Replies
741 Views
Last post October 25, 2021, 2217 UTC
by R4002
4 Replies
946 Views
Last post October 24, 2021, 1734 UTC
by Elf36
6 Replies
971 Views
Last post October 23, 2021, 2208 UTC
by Elf36
0 Replies
672 Views
Last post October 23, 2021, 0111 UTC
by RobRich
8 Replies
1838 Views
Last post October 22, 2021, 2226 UTC
by Elf36
3 Replies
1069 Views
Last post October 21, 2021, 2058 UTC
by Elf36
0 Replies
709 Views
Last post October 21, 2021, 1328 UTC
by R4002
14 Replies
2349 Views
Last post October 20, 2021, 2235 UTC
by Elf36
0 Replies
765 Views
Last post October 20, 2021, 1211 UTC
by R4002
11M activity

Started by Elf36

1 Replies
728 Views
Last post October 19, 2021, 2158 UTC
by Elf36
5 Replies
1261 Views
Last post October 19, 2021, 2141 UTC
by Elf36
14 Replies
2457 Views
Last post October 18, 2021, 2213 UTC
by Elf36
4 Replies
2911 Views
Last post October 18, 2021, 2202 UTC
by Elf36
7 Replies
1671 Views
Last post October 18, 2021, 2150 UTC
by Elf36
28 Replies
4246 Views
Last post October 18, 2021, 1141 UTC
by Elf36
1 Replies
898 Views
Last post October 17, 2021, 1917 UTC
by ChrisSmolinski
5 Replies
1436 Views
Last post October 17, 2021, 1907 UTC
by Elf36

 

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