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
874 Views
Last post May 01, 2022, 2237 UTC
by kris
0 Replies
835 Views
Last post April 30, 2022, 2027 UTC
by Shortwave_Listener
0 Replies
1623 Views
Last post September 12, 2015, 2331 UTC
by jFarley
0 Replies
859 Views
Last post November 03, 2022, 2141 UTC
by Ray Lalleu
0 Replies
3301 Views
Last post October 03, 2015, 1738 UTC
by Dag
0 Replies
797 Views
Last post April 19, 2022, 1842 UTC
by Mad Radio DXer UK
11005 AM

Started by Marcy1

0 Replies
812 Views
Last post April 14, 2022, 2257 UTC
by Marcy1
6940 CW 0024 UTC

Started by R4002

0 Replies
1269 Views
Last post September 06, 2015, 0024 UTC
by R4002
0 Replies
829 Views
Last post April 12, 2022, 1635 UTC
by Ray Lalleu
0 Replies
1319 Views
Last post September 03, 2015, 0031 UTC
by zoofer
0 Replies
1270 Views
Last post September 02, 2015, 0026 UTC
by jFarley
0 Replies
979 Views
Last post June 06, 2022, 2055 UTC
by kris
0 Replies
1132 Views
Last post August 30, 2015, 1219 UTC
by flexoman61
0 Replies
1220 Views
Last post April 15, 2018, 0154 UTC
by RobRich
0 Replies
1202 Views
Last post August 28, 2015, 1619 UTC
by ChrisSmolinski
0 Replies
1153 Views
Last post April 13, 2018, 2030 UTC
by ka1iic
0 Replies
1504 Views
Last post December 22, 2018, 1910 UTC
by Sealord
0 Replies
1378 Views
Last post December 23, 2016, 0559 UTC
by Looking-Glass
0 Replies
1179 Views
Last post December 23, 2016, 1720 UTC
by Daniel Wyllyans
0 Replies
760 Views
Last post March 26, 2022, 2050 UTC
by kris

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns