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
6 Replies
934 Views
Last post April 13, 2020, 2343 UTC
by blw
1 Replies
336 Views
Last post October 17, 2024, 2115 UTC
by TRI International
5 Replies
1360 Views
Last post March 16, 2014, 0006 UTC
by Markokpik
6 Replies
1814 Views
Last post December 10, 2016, 1732 UTC
by DaveJV
0 Replies
1096 Views
Last post November 08, 2009, 1507 UTC
by ChrisSmolinski
1 Replies
761 Views
Last post January 05, 2018, 2142 UTC
by digitalmod
0 Replies
769 Views
Last post May 07, 2012, 1338 UTC
by ChrisSmolinski
5 Replies
1834 Views
Last post November 25, 2013, 1017 UTC
by Gino Italy
0 Replies
539 Views
Last post October 28, 2018, 1624 UTC
by ChrisSmolinski
24 Replies
2602 Views
Last post February 19, 2024, 0010 UTC
by thechoat
15 Replies
3676 Views
Last post August 31, 2013, 0237 UTC
by Edward Insinger
10 Replies
1749 Views
Last post June 02, 2018, 2312 UTC
by Dr. Strangelove
0 Replies
789 Views
Last post May 03, 2014, 0002 UTC
by ChrisSmolinski
1 Replies
1001 Views
Last post April 06, 2019, 2208 UTC
by paul4000
2 Replies
1190 Views
Last post October 05, 2016, 1946 UTC
by PirateSWL
1 Replies
548 Views
Last post December 09, 2018, 2045 UTC
by Skipmuck
1 Replies
1077 Views
Last post April 06, 2013, 1902 UTC
by Beerus Maximus
1 Replies
545 Views
Last post September 07, 2019, 1755 UTC
by refmo
4 Replies
1950 Views
Last post May 09, 2016, 1415 UTC
by aquabat
15 Replies
3485 Views
Last post December 25, 2012, 1952 UTC
by olddxer

 

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