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
1017 Views
Last post December 23, 2016, 1200 UTC
by Daniel Wyllyans
0 Replies
5632 Views
Last post July 19, 2009, 1017 UTC
by Zoidberg
0 Replies
1085 Views
Last post December 23, 2016, 1720 UTC
by Daniel Wyllyans
0 Replies
1106 Views
Last post December 27, 2016, 2318 UTC
by Daniel Wyllyans
0 Replies
1053 Views
Last post December 27, 2016, 2324 UTC
by Daniel Wyllyans
18891?

Started by rec/cat7610

4 Replies
1207 Views
Last post February 12, 2022, 0924 UTC
by tiNG
2 Replies
1985 Views
Last post August 28, 2013, 1248 UTC
by ka1iic
2 Replies
1034 Views
Last post April 16, 2022, 1134 UTC
by Marcy1
1 Replies
2696 Views
Last post August 14, 2015, 0357 UTC
by Zoidberg
1 Replies
1334 Views
Last post March 08, 2014, 1025 UTC
by Chanter
3 Replies
2383 Views
Last post October 24, 2015, 1319 UTC
by Oliver
5 Replies
1756 Views
Last post December 22, 2016, 1956 UTC
by Daniel Wyllyans
0 Replies
1235 Views
Last post December 19, 2014, 1150 UTC
by ChrisSmolinski
0 Replies
1782 Views
Last post September 27, 2014, 2225 UTC
by ka1iic
5 Replies
5788 Views
Last post January 08, 2015, 1811 UTC
by DeltaCharlie
0 Replies
1258 Views
Last post October 03, 2014, 1830 UTC
by Rafman
0 Replies
742 Views
Last post April 19, 2022, 1842 UTC
by Mad Radio DXer UK
3 Replies
2190 Views
Last post September 16, 2018, 1208 UTC
by ChrisSmolinski
2 Replies
3407 Views
Last post November 21, 2014, 1926 UTC
by Token
3044 USB

Started by Looking-Glass

1 Replies
2504 Views
Last post July 25, 2019, 1341 UTC
by R4002

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns