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
788 Views
Last post September 08, 2018, 1708 UTC
by ChrisSmolinski
0 Replies
824 Views
Last post July 18, 2016, 1238 UTC
by ChrisSmolinski
0 Replies
680 Views
Last post February 26, 2018, 1243 UTC
by ChrisSmolinski
0 Replies
329 Views
Last post June 04, 2023, 2108 UTC
by ChrisSmolinski
0 Replies
622 Views
Last post December 24, 2018, 1321 UTC
by ChrisSmolinski
0 Replies
282 Views
Last post December 03, 2023, 1511 UTC
by ChrisSmolinski
1 Replies
360 Views
Last post July 21, 2024, 1407 UTC
by N2MLP
0 Replies
320 Views
Last post May 16, 2023, 1319 UTC
by ChrisSmolinski
8 Replies
2300 Views
Last post October 02, 2015, 1252 UTC
by ChrisSmolinski
0 Replies
368 Views
Last post April 28, 2024, 1213 UTC
by ChrisSmolinski
3 Replies
809 Views
Last post November 01, 2020, 1250 UTC
by Rob.
7 Replies
839 Views
Last post February 02, 2024, 1658 UTC
by myteaquinn
0 Replies
320 Views
Last post June 15, 2024, 2016 UTC
by ChrisSmolinski
1 Replies
594 Views
Last post December 16, 2018, 1655 UTC
by Andrew Yoder
1 Replies
505 Views
Last post April 25, 2024, 1734 UTC
by Doc Roe
1 Replies
828 Views
Last post November 26, 2021, 2104 UTC
by skyman
3 Replies
593 Views
Last post December 01, 2022, 1827 UTC
by dxace1
0 Replies
343 Views
Last post November 16, 2023, 1237 UTC
by ChrisSmolinski
0 Replies
558 Views
Last post September 11, 2018, 2013 UTC
by ChrisSmolinski
2 Replies
708 Views
Last post July 05, 2020, 1928 UTC
by Ct Yankee

 

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