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
693 Views
Last post February 04, 2013, 2350 UTC
by ChrisSmolinski
1 Replies
693 Views
Last post January 14, 2017, 1612 UTC
by ChrisSmolinski
0 Replies
693 Views
Last post February 13, 2016, 1859 UTC
by ChrisSmolinski
1 Replies
694 Views
Last post October 10, 2020, 2102 UTC
by Davep
0 Replies
694 Views
Last post March 29, 2016, 0015 UTC
by ChrisSmolinski
0 Replies
694 Views
Last post January 12, 2016, 2314 UTC
by ChrisSmolinski
1 Replies
694 Views
Last post October 31, 2021, 0119 UTC
by zambo
0 Replies
694 Views
Last post June 18, 2017, 1754 UTC
by ChrisSmolinski
0 Replies
694 Views
Last post April 22, 2021, 0344 UTC
by Big Badfish Al
1 Replies
694 Views
Last post October 21, 2023, 2349 UTC
by Molvania Poacher
0 Replies
694 Views
Last post November 25, 2015, 1456 UTC
by ChrisSmolinski
4 Replies
694 Views
Last post October 02, 2023, 0236 UTC
by ~SIGINT~
1 Replies
694 Views
Last post November 02, 2023, 0158 UTC
by canswl
0 Replies
694 Views
Last post January 01, 2019, 1618 UTC
by refmo
0 Replies
694 Views
Last post February 15, 2020, 0251 UTC
by Davep
4 Replies
694 Views
Last post May 19, 2024, 0155 UTC
by Markokpik
8 Replies
694 Views
Last post August 08, 2025, 1506 UTC
by Ron Hunsicker
4 Replies
694 Views
Last post April 16, 2025, 2035 UTC
by Radio Star
5 Replies
694 Views
Last post November 29, 2022, 1331 UTC
by ChrisSmolinski
1 Replies
694 Views
Last post April 29, 2025, 1922 UTC
by Tony_Pavick

 

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