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
15 Replies
2334 Views
Last post August 10, 2019, 0137 UTC
by Treehouse SWL
5 Replies
2334 Views
Last post January 26, 2017, 1948 UTC
by Traveling Wave
6 Replies
2334 Views
Last post July 31, 2015, 0204 UTC
by Zoidberg
12 Replies
2334 Views
Last post September 30, 2018, 0358 UTC
by Sealord
9 Replies
2334 Views
Last post September 03, 2017, 2312 UTC
by slowtrain
0 Replies
2333 Views
Last post April 08, 2008, 0011 UTC
by ParanoidPatriot
8 Replies
2333 Views
Last post April 03, 2016, 0408 UTC
by MDK2
5 Replies
2333 Views
Last post December 27, 2013, 0132 UTC
by ChrisSmolinski
9 Replies
2333 Views
Last post November 04, 2012, 1906 UTC
by Sealord
24 Replies
2333 Views
Last post April 08, 2023, 0022 UTC
by Grumpy Grandpa
9 Replies
2333 Views
Last post February 08, 2016, 2039 UTC
by Mentholyptus
9 Replies
2333 Views
Last post May 12, 2013, 0124 UTC
by jFarley
27 Replies
2333 Views
Last post October 30, 2022, 2043 UTC
by Maxwells Daemon
19 Replies
2333 Views
Last post April 01, 2022, 0124 UTC
by dave524
7 Replies
2333 Views
Last post March 25, 2012, 1851 UTC
by zackers
4 Replies
2332 Views
Last post June 20, 2017, 1335 UTC
by ChrisSmolinski
19 Replies
2332 Views
Last post August 22, 2020, 0158 UTC
by Venom6733
7 Replies
2332 Views
Last post February 22, 2014, 1431 UTC
by ChrisSmolinski
9 Replies
2332 Views
Last post November 07, 2014, 0118 UTC
by ChrisLobdell
8 Replies
2332 Views
Last post October 12, 2013, 1808 UTC
by Sealord

 

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