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
1 Replies
1275 Views
Last post December 24, 2011, 0048 UTC
by RadioAnarchy
13 Replies
4894 Views
Last post April 27, 2015, 1157 UTC
by ChrisSmolinski
3 Replies
4985 Views
Last post October 13, 2015, 0027 UTC
by JoeFLIPS
5 Replies
1733 Views
Last post July 04, 2015, 1552 UTC
by ChrisSmolinski
10 Replies
3193 Views
Last post June 04, 2015, 1227 UTC
by ChrisSmolinski
9 Replies
3357 Views
Last post April 24, 2015, 0154 UTC
by radio_cosmo
18 Replies
5673 Views
Last post May 14, 2016, 1737 UTC
by jFarley
14 Replies
4679 Views
Last post May 04, 2015, 2308 UTC
by ByteBORG
3 Replies
1333 Views
Last post December 11, 2011, 1453 UTC
by John Poet
11 Replies
2797 Views
Last post October 16, 2013, 0101 UTC
by hf-na
9 Replies
2179 Views
Last post October 17, 2013, 0006 UTC
by hf-na
15 Replies
4231 Views
Last post October 27, 2014, 1050 UTC
by Mentholyptus
0 Replies
990 Views
Last post October 21, 2011, 0631 UTC
by Zoidberg
5 Replies
1323 Views
Last post November 05, 2012, 0019 UTC
by Beerus Maximus
9 Replies
2452 Views
Last post October 07, 2012, 2321 UTC
by ff
16 Replies
4328 Views
Last post April 14, 2014, 0239 UTC
by William Hassig
18 Replies
5053 Views
Last post March 10, 2014, 0148 UTC
by glimmer twin
8 Replies
2317 Views
Last post March 22, 2014, 2158 UTC
by blw
16 Replies
3807 Views
Last post November 28, 2014, 0131 UTC
by ChrisSmolinski
16 Replies
8962 Views
Last post October 28, 2015, 1715 UTC
by ChrisSmolinski

 

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