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
1072 Views
Last post February 04, 2016, 0138 UTC
by R4002
3 Replies
1293 Views
Last post August 15, 2012, 2257 UTC
by Andrew Yoder
0 Replies
644 Views
Last post July 16, 2017, 1516 UTC
by ChrisSmolinski
0 Replies
892 Views
Last post February 14, 2014, 1938 UTC
by ChrisSmolinski
0 Replies
567 Views
Last post January 12, 2019, 1929 UTC
by ChrisSmolinski
1 Replies
1086 Views
Last post January 08, 2015, 2011 UTC
by jFarley
1 Replies
785 Views
Last post April 09, 2017, 2346 UTC
by Skipmuck
1 Replies
1069 Views
Last post October 20, 2019, 1745 UTC
by MDK2
0 Replies
422 Views
Last post May 06, 2024, 1157 UTC
by ChrisSmolinski
0 Replies
694 Views
Last post February 04, 2013, 2350 UTC
by ChrisSmolinski
5 Replies
1101 Views
Last post July 05, 2019, 1943 UTC
by Ray Lalleu
1 Replies
797 Views
Last post December 24, 2020, 2156 UTC
by Charlie_Dont_Surf
2 Replies
598 Views
Last post October 16, 2021, 1257 UTC
by Ct Yankee
0 Replies
687 Views
Last post May 08, 2018, 1225 UTC
by ChrisSmolinski
2 Replies
1185 Views
Last post March 30, 2014, 2050 UTC
by jFarley
14 Replies
1859 Views
Last post October 31, 2023, 2057 UTC
by Paul65
0 Replies
1204 Views
Last post November 19, 2009, 2030 UTC
by ChrisSmolinski
0 Replies
828 Views
Last post March 11, 2013, 1310 UTC
by ChrisSmolinski
0 Replies
734 Views
Last post December 17, 2015, 1542 UTC
by ChrisSmolinski
5 Replies
803 Views
Last post September 05, 2020, 2204 UTC
by Ray Lalleu

 

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