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
780 Views
Last post May 10, 2013, 1157 UTC
by ChrisSmolinski
0 Replies
794 Views
Last post March 05, 2018, 1418 UTC
by ChrisSmolinski
5 Replies
1561 Views
Last post June 25, 2017, 2319 UTC
by myteaquinn
2 Replies
802 Views
Last post December 24, 2018, 1719 UTC
by R4002
1 Replies
1054 Views
Last post October 14, 2013, 1238 UTC
by Sealord
24 Replies
4718 Views
Last post August 05, 2018, 0138 UTC
by Laidbackdx
0 Replies
666 Views
Last post June 15, 2019, 1655 UTC
by ChrisSmolinski
0 Replies
1671 Views
Last post April 04, 2009, 1303 UTC
by ChrisSmolinski
17 Replies
4147 Views
Last post February 14, 2016, 1955 UTC
by Mentholyptus
9 Replies
1738 Views
Last post November 28, 2020, 2335 UTC
by Bali_Frank
3 Replies
1589 Views
Last post February 17, 2013, 1851 UTC
by jFarley
1 Replies
748 Views
Last post December 22, 2017, 2028 UTC
by PirateSWL
2 Replies
1716 Views
Last post September 22, 2014, 1232 UTC
by textim
3 Replies
832 Views
Last post October 07, 2018, 0005 UTC
by refmo
3 Replies
1242 Views
Last post August 17, 2013, 2240 UTC
by hsmith77
1 Replies
963 Views
Last post September 03, 2017, 2027 UTC
by MDK2
3 Replies
957 Views
Last post December 27, 2019, 1900 UTC
by Ray Lalleu
7 Replies
1747 Views
Last post April 14, 2014, 2321 UTC
by ByteBORG
0 Replies
965 Views
Last post March 18, 2019, 1023 UTC
by ChrisSmolinski
0 Replies
887 Views
Last post December 25, 2015, 2258 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