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
9 Replies
2138 Views
Last post August 14, 2023, 2220 UTC
by Sunspot Surfer
0 Replies
2153 Views
Last post August 20, 2009, 1723 UTC
by ChrisSmolinski
5 Replies
1572 Views
Last post March 30, 2018, 1529 UTC
by Josh
GIGO

Started by Fansome

1 Replies
2633 Views
Last post November 05, 2008, 2322 UTC
by cmradio
0 Replies
1481 Views
Last post January 28, 2011, 2025 UTC
by Fansome
4 Replies
3948 Views
Last post November 26, 2018, 2111 UTC
by MDK2
3 Replies
1841 Views
Last post October 25, 2013, 0223 UTC
by Chanter
2 Replies
1918 Views
Last post June 02, 2010, 1527 UTC
by Tube Shortwave
0 Replies
1145 Views
Last post November 03, 2017, 1946 UTC
by CoolAM Radio
3 Replies
2762 Views
Last post March 10, 2015, 1602 UTC
by signal dig
0 Replies
1720 Views
Last post October 17, 2011, 2213 UTC
by Fansome
1 Replies
1917 Views
Last post April 01, 2017, 1225 UTC
by Andrew Yoder
2 Replies
1668 Views
Last post October 22, 2018, 2312 UTC
by CoolAM Radio
0 Replies
1639 Views
Last post March 30, 2012, 1937 UTC
by ChrisSmolinski
4 Replies
2075 Views
Last post March 29, 2012, 0144 UTC
by Newfoundland DXer
3 Replies
1403 Views
Last post September 01, 2013, 2106 UTC
by skeezix
1 Replies
1388 Views
Last post September 28, 2013, 1548 UTC
by Kage
0 Replies
1679 Views
Last post May 17, 2012, 0143 UTC
by L Cee
0 Replies
1599 Views
Last post December 14, 2011, 1911 UTC
by ChrisSmolinski
2 Replies
1022 Views
Last post February 11, 2021, 1214 UTC
by Under30

 

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