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
520 Views
Last post October 19, 2024, 1843 UTC
by HF DXER
0 Replies
521 Views
Last post August 10, 2024, 1839 UTC
by N2MLP
0 Replies
522 Views
Last post September 27, 2022, 1436 UTC
by ChrisSmolinski
0 Replies
523 Views
Last post October 08, 2022, 1215 UTC
by ChrisSmolinski
0 Replies
523 Views
Last post October 04, 2022, 1230 UTC
by ChrisSmolinski
0 Replies
524 Views
Last post June 14, 2024, 1851 UTC
by R4002
0 Replies
526 Views
Last post November 11, 2024, 1830 UTC
by N2MLP
26.585 AM

Started by HF DXER

0 Replies
527 Views
Last post November 05, 2023, 1734 UTC
by HF DXER
0 Replies
528 Views
Last post December 21, 2024, 1702 UTC
by N2MLP
0 Replies
529 Views
Last post December 01, 2024, 1907 UTC
by prldx
0 Replies
529 Views
Last post April 25, 2024, 2112 UTC
by R4002
1 Replies
531 Views
Last post March 18, 2024, 1415 UTC
by RadioMon
0 Replies
532 Views
Last post November 20, 2024, 1300 UTC
by R4002
0 Replies
534 Views
Last post December 10, 2024, 2002 UTC
by R4002
0 Replies
536 Views
Last post April 06, 2025, 1515 UTC
by N2MLP
0 Replies
537 Views
Last post October 28, 2024, 1515 UTC
by KMD3HR
0 Replies
538 Views
Last post September 27, 2022, 1821 UTC
by RobRich
0 Replies
538 Views
Last post April 06, 2025, 1620 UTC
by N2MLP
0 Replies
539 Views
Last post February 25, 2024, 1345 UTC
by R4002
0 Replies
541 Views
Last post August 03, 2024, 1545 UTC
by N2MLP

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns