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
1293 Views
Last post July 19, 2022, 0820 UTC
by TRI International
0 Replies
2131 Views
Last post November 03, 2017, 2304 UTC
by Token
0 Replies
1803 Views
Last post November 16, 2019, 1614 UTC
by IQ_imbalance
0 Replies
3193 Views
Last post January 07, 2019, 2049 UTC
by wwwpena
0 Replies
1828 Views
Last post July 02, 2018, 0022 UTC
by Token
0 Replies
1206 Views
Last post September 11, 2022, 2355 UTC
by ~SIGINT~
0 Replies
1792 Views
Last post December 13, 2020, 0456 UTC
by Token
0 Replies
1573 Views
Last post April 01, 2018, 2250 UTC
by Asuyuka
0 Replies
1909 Views
Last post February 15, 2021, 0017 UTC
by Token
0 Replies
2483 Views
Last post May 18, 2020, 1322 UTC
by Token
0 Replies
1734 Views
Last post April 18, 2018, 2358 UTC
by Traveling Wave
0 Replies
1787 Views
Last post June 25, 2020, 1924 UTC
by J.Bill
0 Replies
1755 Views
Last post January 28, 2021, 1614 UTC
by sky_listener
0 Replies
1629 Views
Last post May 02, 2018, 1207 UTC
by Token
0 Replies
1322 Views
Last post April 10, 2023, 1902 UTC
by Token
0 Replies
1748 Views
Last post October 26, 2018, 0521 UTC
by bumbelstock
0 Replies
1728 Views
Last post September 21, 2023, 1426 UTC
by Token
0 Replies
1411 Views
Last post September 21, 2023, 1426 UTC
by Token
MOVED: 11015 USB

Started by Token

0 Replies
1617 Views
Last post June 21, 2018, 1601 UTC
by Token
0 Replies
1437 Views
Last post April 10, 2023, 1903 UTC
by Token

 

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