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
1783 Views
Last post July 09, 2019, 1711 UTC
by R4002
0 Replies
2384 Views
Last post July 10, 2019, 2058 UTC
by R4002
0 Replies
969 Views
Last post September 26, 2022, 0040 UTC
by vlf2hf
0 Replies
2645 Views
Last post July 10, 2019, 2103 UTC
by R4002
0 Replies
865 Views
Last post July 01, 2023, 1638 UTC
by N2MLP
0 Replies
3070 Views
Last post July 12, 2019, 1756 UTC
by R4002
0 Replies
802 Views
Last post January 15, 2022, 1332 UTC
by ChrisSmolinski
0 Replies
3007 Views
Last post July 18, 2019, 2114 UTC
by R4002
0 Replies
2886 Views
Last post July 18, 2019, 2117 UTC
by R4002
0 Replies
840 Views
Last post June 19, 2022, 2206 UTC
by vlf2hf
0 Replies
1900 Views
Last post April 16, 2020, 2235 UTC
by 2WR3505
0 Replies
1370 Views
Last post June 17, 2022, 1258 UTC
by R4002
0 Replies
834 Views
Last post June 16, 2022, 2321 UTC
by vlf2hf
0 Replies
22705 Views
Last post August 26, 2019, 2215 UTC
by R4002
0 Replies
956 Views
Last post October 30, 2021, 1811 UTC
by ThaDood
0 Replies
4758 Views
Last post September 09, 2019, 2255 UTC
by shadypyro
0 Replies
895 Views
Last post August 15, 2022, 2015 UTC
by ThaDood
0 Replies
1361 Views
Last post April 06, 2022, 1507 UTC
by Mad Radio DXer UK
0 Replies
884 Views
Last post November 09, 2021, 2040 UTC
by MDK2
0 Replies
1671 Views
Last post April 20, 2020, 0114 UTC
by ChrisLobdell

 

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