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
426 Views
Last post February 09, 2024, 2043 UTC
by R4002
0 Replies
611 Views
Last post October 07, 2021, 2355 UTC
by PTR11EXP
0 Replies
654 Views
Last post February 12, 2024, 1429 UTC
by ENG075
0 Replies
686 Views
Last post September 29, 2022, 2000 UTC
by RobRich
0 Replies
664 Views
Last post December 22, 2021, 1900 UTC
by hammarhead
0 Replies
686 Views
Last post October 09, 2021, 2004 UTC
by R4002
0 Replies
757 Views
Last post October 10, 2021, 1458 UTC
by R4002
0 Replies
750 Views
Last post March 13, 2022, 1630 UTC
by ChrisSmolinski
0 Replies
808 Views
Last post January 22, 2022, 1245 UTC
by RobRich
0 Replies
523 Views
Last post February 16, 2024, 1640 UTC
by R4002
0 Replies
457 Views
Last post February 23, 2024, 1338 UTC
by R4002
27.665 USB

Started by HF DXER

0 Replies
677 Views
Last post January 14, 2023, 1801 UTC
by HF DXER
0 Replies
753 Views
Last post October 15, 2021, 1916 UTC
by R4002
0 Replies
693 Views
Last post October 15, 2021, 1919 UTC
by R4002
0 Replies
671 Views
Last post October 16, 2021, 1210 UTC
by ChrisSmolinski
0 Replies
693 Views
Last post October 21, 2021, 1328 UTC
by R4002
0 Replies
693 Views
Last post October 17, 2021, 1858 UTC
by R4002
0 Replies
740 Views
Last post February 03, 2022, 1642 UTC
by hammarhead
0 Replies
422 Views
Last post February 26, 2024, 2027 UTC
by R4002
0 Replies
805 Views
Last post February 15, 2022, 1955 UTC
by hammarhead

 

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