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
1240 Views
Last post March 10, 2013, 2102 UTC
by desmoface
7 Replies
4164 Views
Last post May 05, 2014, 2105 UTC
by Strange Beacons
0 Replies
1380 Views
Last post May 04, 2014, 1836 UTC
by desmoface
3 Replies
1701 Views
Last post November 08, 2018, 2051 UTC
by R4002
0 Replies
1098 Views
Last post November 04, 2015, 1552 UTC
by diffatrust
3 Replies
1500 Views
Last post February 26, 2019, 1833 UTC
by SV1XV
3 Replies
2973 Views
Last post February 01, 2016, 1802 UTC
by dingdong6969
0 Replies
1831 Views
Last post April 09, 2011, 0338 UTC
by dit-man
Unid 7769kHz

Started by DoktorMHz

7 Replies
3168 Views
Last post April 07, 2014, 1939 UTC
by DoktorMHz
0 Replies
1088 Views
Last post April 08, 2014, 1407 UTC
by DoktorMHz
0 Replies
1109 Views
Last post April 08, 2014, 1603 UTC
by DoktorMHz
3 Replies
3333 Views
Last post July 08, 2019, 2029 UTC
by Strange Beacons
8 Replies
4917 Views
Last post October 16, 2019, 2328 UTC
by kalvados
1 Replies
1278 Views
Last post November 06, 2019, 2206 UTC
by sat_dxer
5 Replies
2817 Views
Last post March 11, 2020, 1358 UTC
by syfr
0 Replies
1097 Views
Last post September 12, 2018, 1946 UTC
by dollydot
1 Replies
3035 Views
Last post August 20, 2019, 2158 UTC
by kris
16 Replies
4234 Views
Last post March 09, 2022, 2015 UTC
by dollydot
12 Replies
3951 Views
Last post May 21, 2019, 2107 UTC
by dollydot
0 Replies
905 Views
Last post February 18, 2022, 2201 UTC
by dollydot

 

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