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 permissable in your locale.

Subject / Started by Last post
0 Replies
1664 Views
Last post November 18, 2018, 2021 UTC
by jta
3 Replies
1094 Views
Last post May 08, 2020, 2332 UTC
by hsmith77
4 Replies
1991 Views
Last post February 29, 2020, 1959 UTC
by Antennae
13 Replies
3141 Views
Last post February 10, 2018, 1847 UTC
by Josh
1 Replies
2751 Views
Last post December 11, 2017, 1347 UTC
by R4002
0 Replies
1528 Views
Last post June 28, 2018, 0027 UTC
by dxace1
0 Replies
1936 Views
Last post August 26, 2019, 1613 UTC
by ChrisSmolinski
1 Replies
1489 Views
Last post April 27, 2018, 1109 UTC
by Σ
10 Replies
3179 Views
Last post November 15, 2018, 2102 UTC
by Stretchyman
3 Replies
2396 Views
Last post December 07, 2018, 1856 UTC
by Stretchyman
11 Replies
21178 Views
Last post September 08, 2016, 0556 UTC
by redhat
2 Replies
2924 Views
Last post March 16, 2019, 0952 UTC
by Stretchyman
1 Replies
923 Views
Last post March 22, 2021, 0022 UTC
by Andrew Yoder
0 Replies
2383 Views
Last post May 14, 2019, 1903 UTC
by ChrisSmolinski
2 Replies
224 Views
Last post November 30, 2022, 1450 UTC
by ChrisSmolinski
2 Replies
579 Views
Last post July 04, 2022, 0154 UTC
by RobRich
0 Replies
2185 Views
Last post August 18, 2019, 1034 UTC
by Stretchyman
0 Replies
2908 Views
Last post August 19, 2017, 2308 UTC
by clobdell
5 Replies
1577 Views
Last post February 26, 2022, 1608 UTC
by ImageradioUK
2 Replies
735 Views
Last post May 20, 2022, 2228 UTC
by Intruder

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns