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
525 Views
Last post April 20, 2017, 1143 UTC
by ChrisSmolinski
0 Replies
738 Views
Last post August 21, 2013, 1350 UTC
by ChrisSmolinski
3 Replies
1365 Views
Last post April 11, 2013, 1151 UTC
by Clarke
1 Replies
877 Views
Last post September 24, 2019, 1029 UTC
by ChrisSmolinski
3 Replies
700 Views
Last post October 09, 2023, 1930 UTC
by Ron Hunsicker
0 Replies
758 Views
Last post April 04, 2015, 1527 UTC
by ChrisSmolinski
3 Replies
893 Views
Last post November 08, 2023, 1548 UTC
by ChrisSmolinski
2 Replies
475 Views
Last post July 17, 2024, 2108 UTC
by N2MLP
0 Replies
621 Views
Last post October 26, 2019, 1459 UTC
by ChrisSmolinski
1 Replies
529 Views
Last post February 02, 2023, 0239 UTC
by Shortwave_Listener
9 Replies
815 Views
Last post December 05, 2024, 0354 UTC
by dxace1
0 Replies
1184 Views
Last post June 15, 2015, 1353 UTC
by ChrisSmolinski
0 Replies
473 Views
Last post December 22, 2019, 1507 UTC
by ChrisSmolinski
3 Replies
670 Views
Last post September 23, 2022, 1725 UTC
by ChrisSmolinski
2 Replies
476 Views
Last post January 18, 2023, 0304 UTC
by dxbill
0 Replies
293 Views
Last post March 26, 2024, 1431 UTC
by ChrisSmolinski
1 Replies
1062 Views
Last post August 28, 2013, 1212 UTC
by Sealord
1 Replies
1849 Views
Last post March 23, 2015, 1310 UTC
by ChrisSmolinski
5 Replies
1425 Views
Last post April 12, 2025, 0439 UTC
by TheHappyWanker
0 Replies
869 Views
Last post November 10, 2014, 0333 UTC
by Rafman

 

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