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
15 Replies
2881 Views
Last post January 01, 2019, 1616 UTC
by MDK2
8 Replies
5227 Views
Last post November 01, 2016, 1357 UTC
by ChrisSmolinski
2 Replies
1066 Views
Last post May 18, 2019, 2321 UTC
by ChrisSmolinski
1 Replies
574 Views
Last post October 13, 2017, 1253 UTC
by ChrisSmolinski
7 Replies
1703 Views
Last post January 08, 2017, 2007 UTC
by Yankee Charlie
3 Replies
1530 Views
Last post September 04, 2017, 0313 UTC
by Markokpik
9 Replies
2159 Views
Last post February 01, 2019, 0106 UTC
by Shawndx
13 Replies
6924 Views
Last post June 29, 2017, 0118 UTC
by Ranch Jones
0 Replies
632 Views
Last post June 23, 2018, 0046 UTC
by PirateSWL
9 Replies
1600 Views
Last post March 17, 2019, 1446 UTC
by ChrisSmolinski
4 Replies
1083 Views
Last post October 05, 2018, 1014 UTC
by ChrisSmolinski
14 Replies
2979 Views
Last post March 18, 2017, 1524 UTC
by ChrisSmolinski
5 Replies
1968 Views
Last post September 30, 2017, 1914 UTC
by Andrew Yoder
5 Replies
997 Views
Last post April 08, 2018, 2310 UTC
by Helicaster
5 Replies
1998 Views
Last post March 12, 2017, 1837 UTC
by flexoman61
1 Replies
706 Views
Last post June 12, 2018, 1106 UTC
by ChrisSmolinski
6 Replies
1325 Views
Last post April 24, 2019, 1000 UTC
by ChrisSmolinski
8 Replies
2724 Views
Last post September 24, 2017, 0214 UTC
by Helicaster
9 Replies
1920 Views
Last post May 12, 2018, 1504 UTC
by ChrisSmolinski
7 Replies
1802 Views
Last post August 27, 2017, 0029 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 Garden Flag
by MitchellTimeDesigns