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
604 Views
Last post July 01, 2019, 1626 UTC
by ChrisSmolinski
2 Replies
704 Views
Last post November 29, 2017, 2026 UTC
by Davep
0 Replies
754 Views
Last post January 30, 2013, 0102 UTC
by ChrisSmolinski
1 Replies
1054 Views
Last post October 27, 2013, 2128 UTC
by jFarley
1 Replies
959 Views
Last post February 02, 2014, 1630 UTC
by Beerus Maximus
7 Replies
1761 Views
Last post December 30, 2014, 2307 UTC
by Skipmuck
0 Replies
953 Views
Last post June 01, 2013, 1633 UTC
by ChrisSmolinski
1 Replies
826 Views
Last post March 11, 2020, 1948 UTC
by Davep
8 Replies
2032 Views
Last post June 07, 2015, 1951 UTC
by Mentholyptus
3 Replies
680 Views
Last post December 23, 2021, 2102 UTC
by hsmith77
3 Replies
1228 Views
Last post February 23, 2017, 2339 UTC
by PirateSWL
7 Replies
732 Views
Last post December 04, 2024, 2127 UTC
by aurora
1 Replies
866 Views
Last post October 16, 2017, 1348 UTC
by TheRelayStation
20 Replies
1937 Views
Last post January 08, 2023, 2106 UTC
by Sealord
4 Replies
1620 Views
Last post April 05, 2013, 0138 UTC
by Rafman
0 Replies
690 Views
Last post October 02, 2016, 1624 UTC
by ChrisSmolinski
1 Replies
1793 Views
Last post December 26, 2013, 2023 UTC
by Mentholyptus
0 Replies
964 Views
Last post May 08, 2011, 0015 UTC
by ChrisSmolinski
0 Replies
330 Views
Last post July 28, 2024, 1622 UTC
by ChrisSmolinski
2 Replies
1493 Views
Last post December 09, 2009, 1348 UTC
by Zoidberg

 

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