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
1084 Views
Last post December 02, 2021, 1434 UTC
by kris
0 Replies
1186 Views
Last post December 02, 2021, 1457 UTC
by kris
0 Replies
1302 Views
Last post December 03, 2021, 2035 UTC
by orourkeda
0 Replies
1270 Views
Last post December 10, 2021, 1854 UTC
by orourkeda
0 Replies
1135 Views
Last post December 25, 2021, 1227 UTC
by ChrisSmolinski
0 Replies
1123 Views
Last post December 29, 2021, 1839 UTC
by orourkeda
0 Replies
1303 Views
Last post December 29, 2021, 1946 UTC
by orourkeda
9133.5 CW

Started by rec/cat7610

3 Replies
1558 Views
Last post January 01, 2022, 0923 UTC
by tiNG
0 Replies
1167 Views
Last post January 01, 2022, 1950 UTC
by orourkeda
0 Replies
1196 Views
Last post January 03, 2022, 2115 UTC
by orourkeda
0 Replies
1205 Views
Last post January 05, 2022, 1940 UTC
by orourkeda
0 Replies
1171 Views
Last post January 06, 2022, 1816 UTC
by Erik Mattson
0 Replies
1175 Views
Last post January 07, 2022, 1036 UTC
by orourkeda
0 Replies
1224 Views
Last post January 07, 2022, 1142 UTC
by orourkeda
0 Replies
1251 Views
Last post January 07, 2022, 1150 UTC
by orourkeda
0 Replies
1203 Views
Last post January 07, 2022, 1854 UTC
by Erik Mattson
0 Replies
1220 Views
Last post January 10, 2022, 1843 UTC
by Erik Mattson
4 Replies
2079 Views
Last post January 14, 2022, 0129 UTC
by MDK2
HM01 10.715 (21:56)

Started by Elf36

4 Replies
1710 Views
Last post January 17, 2022, 0021 UTC
by MDK2
0 Replies
1391 Views
Last post January 19, 2022, 2255 UTC
by orourkeda

 

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