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
1877 Views
Last post June 29, 2013, 0024 UTC
by glimmer twin
1 Replies
1875 Views
Last post September 08, 2023, 2245 UTC
by N2MLP
5 Replies
1873 Views
Last post September 28, 2013, 1821 UTC
by refmo
3 Replies
1872 Views
Last post February 15, 2015, 2312 UTC
by hsmith77
4 Replies
1870 Views
Last post June 25, 2013, 2039 UTC
by DimBulb
6 Replies
1870 Views
Last post April 05, 2015, 0003 UTC
by Oliver
7 Replies
1867 Views
Last post January 20, 2019, 2227 UTC
by zeppelin radio
2 Replies
1864 Views
Last post March 10, 2015, 1110 UTC
by Jari Finland
0 Replies
1863 Views
Last post March 31, 2012, 1416 UTC
by ChrisSmolinski
4 Replies
1863 Views
Last post December 30, 2014, 0647 UTC
by dxextra
5 Replies
1862 Views
Last post March 12, 2017, 1840 UTC
by Jari Finland
2 Replies
1861 Views
Last post May 26, 2017, 0211 UTC
by JoeFLIPS
5 Replies
1860 Views
Last post July 13, 2014, 0220 UTC
by jFarley
4 Replies
1860 Views
Last post December 09, 2012, 2116 UTC
by Borderhunter
5 Replies
1860 Views
Last post April 23, 2014, 2100 UTC
by Sluwe Vos Radio
5 Replies
1855 Views
Last post July 27, 2015, 0036 UTC
by RNI
12 Replies
1850 Views
Last post March 24, 2020, 0748 UTC
by Skipmuck
9 Replies
1850 Views
Last post March 02, 2021, 1929 UTC
by Harmony
5 Replies
1849 Views
Last post October 11, 2014, 1537 UTC
by Rafman
8 Replies
1847 Views
Last post August 03, 2014, 0049 UTC
by Evil Elvis

 

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