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
4 Replies
2617 Views
Last post June 06, 2012, 1826 UTC
by Token
4 Replies
2948 Views
Last post July 26, 2013, 2017 UTC
by Tim537
QSL?

Started by Tim537

8 Replies
3882 Views
Last post August 03, 2013, 1635 UTC
by sat_dxer
3 Replies
1054 Views
Last post August 14, 2022, 0344 UTC
by MDK2
0 Replies
9220 Views
Last post January 07, 2010, 0254 UTC
by The Web
0 Replies
1827 Views
Last post December 06, 2010, 1430 UTC
by The Web
3 Replies
2298 Views
Last post March 28, 2016, 1901 UTC
by MDK2
0 Replies
1636 Views
Last post December 19, 2014, 0506 UTC
by Teotwaki
UVB-76 offline

Started by Syco

9 Replies
3754 Views
Last post July 12, 2013, 1730 UTC
by Echo_One
UVB-76

Started by Syco

5 Replies
3152 Views
Last post March 07, 2014, 0040 UTC
by Rizla
6 Replies
1363 Views
Last post March 01, 2022, 2112 UTC
by swl22
10 Replies
1952 Views
Last post February 02, 2022, 2137 UTC
by MDK2
1 Replies
854 Views
Last post June 04, 2022, 1146 UTC
by orourkeda
0 Replies
1023 Views
Last post February 19, 2014, 1724 UTC
by SWL MONKEY
0 Replies
4463 Views
Last post March 31, 2013, 1124 UTC
by Swede P
0 Replies
1196 Views
Last post April 13, 2014, 1749 UTC
by SW Observer
2 Replies
1710 Views
Last post November 14, 2013, 1929 UTC
by desmoface
0 Replies
1155 Views
Last post February 16, 2014, 1838 UTC
by SW Observer
0 Replies
1105 Views
Last post March 10, 2014, 1935 UTC
by SW Observer
0 Replies
1227 Views
Last post March 12, 2014, 2234 UTC
by SW Observer

 

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