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
2746 Views
Last post February 24, 2015, 1125 UTC
by urij685
4 Replies
4354 Views
Last post July 22, 2019, 1654 UTC
by Josh
0 Replies
691 Views
Last post July 03, 2024, 1910 UTC
by R4002
2 Replies
4763 Views
Last post September 23, 2019, 2246 UTC
by Josh
0 Replies
844 Views
Last post October 09, 2021, 2004 UTC
by R4002
2 Replies
1498 Views
Last post January 10, 2023, 1918 UTC
by R4002
13 Replies
6081 Views
Last post March 06, 2018, 1036 UTC
by Stretchyman
0 Replies
6505 Views
Last post October 27, 2013, 1502 UTC
by Rockpicker
7 Replies
1948 Views
Last post June 28, 2023, 0120 UTC
by dave524
3 Replies
1235 Views
Last post December 07, 2023, 1430 UTC
by R4002
0 Replies
1123 Views
Last post September 18, 2024, 1817 UTC
by R4002
Fm cb radio

Started by Laidbackdx

0 Replies
2187 Views
Last post September 20, 2017, 1358 UTC
by Laidbackdx
25 Replies
21991 Views
Last post February 05, 2023, 1355 UTC
by R4002
0 Replies
781 Views
Last post December 26, 2023, 2002 UTC
by R4002
0 Replies
948 Views
Last post January 04, 2024, 1655 UTC
by R4002
0 Replies
3785 Views
Last post April 09, 2025, 1317 UTC
by R4002
0 Replies
666 Views
Last post March 15, 2024, 1416 UTC
by R4002
0 Replies
841 Views
Last post March 29, 2024, 1251 UTC
by R4002
1 Replies
858 Views
Last post November 25, 2023, 0129 UTC
by R4002
0 Replies
609 Views
Last post March 29, 2024, 1325 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 House Flag
by MitchellTimeDesigns