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
2911 Views
Last post July 21, 2011, 2325 UTC
by John Poet
Propagation

Started by Fansome

0 Replies
1564 Views
Last post April 15, 2011, 2106 UTC
by Fansome
0 Replies
1734 Views
Last post October 19, 2011, 2135 UTC
by paranoid dxer
0 Replies
1677 Views
Last post October 17, 2011, 2213 UTC
by Fansome
0 Replies
1676 Views
Last post December 11, 2010, 2148 UTC
by Fansome
Propagation

Started by Fansome

0 Replies
1646 Views
Last post June 03, 2011, 1924 UTC
by Fansome
0 Replies
1706 Views
Last post May 31, 2011, 2242 UTC
by PiratePoptart
0 Replies
1703 Views
Last post November 26, 2010, 0546 UTC
by Fansome
Propagation

Started by Fansome

0 Replies
1398 Views
Last post May 27, 2011, 2116 UTC
by Fansome
Sarcasm

Started by ChrisSmolinski

0 Replies
1906 Views
Last post November 21, 2010, 1401 UTC
by ChrisSmolinski
0 Replies
1606 Views
Last post September 29, 2011, 1735 UTC
by ChrisSmolinski
0 Replies
1645 Views
Last post January 13, 2011, 0008 UTC
by Fansome
Practical Wireless

Started by Fansome

0 Replies
1478 Views
Last post February 07, 2011, 2108 UTC
by Fansome
0 Replies
4092 Views
Last post November 06, 2010, 0906 UTC
by Zoidberg
0 Replies
2000 Views
Last post March 11, 2011, 2018 UTC
by corq
0 Replies
1796 Views
Last post October 28, 2010, 2355 UTC
by Fansome
0 Replies
1790 Views
Last post September 21, 2011, 1900 UTC
by John Poet
0 Replies
3979 Views
Last post October 27, 2010, 0319 UTC
by LanceLovejoy
0 Replies
2137 Views
Last post October 26, 2010, 0512 UTC
by Shortwave_America
0 Replies
69 Views
Last post June 06, 2025, 2303 UTC
by radioartisan

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns