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
344 Views
Last post November 02, 2023, 2029 UTC
by Paul65
0 Replies
490 Views
Last post November 02, 2023, 1209 UTC
by autovon
0 Replies
376 Views
Last post November 02, 2023, 1119 UTC
by Paul65
0 Replies
364 Views
Last post November 02, 2023, 1114 UTC
by Paul65
0 Replies
395 Views
Last post November 02, 2023, 0942 UTC
by TRI International
0 Replies
388 Views
Last post November 02, 2023, 0926 UTC
by TRI International
0 Replies
499 Views
Last post November 01, 2023, 2348 UTC
by autovon
0 Replies
436 Views
Last post November 01, 2023, 2232 UTC
by flexoman61
0 Replies
396 Views
Last post November 01, 2023, 2143 UTC
by Paul65
2 Replies
441 Views
Last post November 01, 2023, 1323 UTC
by TRI International
2 Replies
520 Views
Last post November 01, 2023, 1322 UTC
by TRI International
0 Replies
328 Views
Last post November 01, 2023, 0937 UTC
by TRI International
0 Replies
471 Views
Last post November 01, 2023, 0859 UTC
by TRI International
1 Replies
589 Views
Last post October 31, 2023, 1629 UTC
by Ron - Calif.
0 Replies
623 Views
Last post October 31, 2023, 0937 UTC
by TRI International
2 Replies
739 Views
Last post October 31, 2023, 0935 UTC
by TRI International
1 Replies
550 Views
Last post October 30, 2023, 1519 UTC
by Shortwave_Listener
0 Replies
453 Views
Last post October 29, 2023, 2233 UTC
by Paul B. Walker, Jr.
4 Replies
1290 Views
Last post October 29, 2023, 2010 UTC
by Paul B. Walker, Jr.
0 Replies
479 Views
Last post October 28, 2023, 1011 UTC
by TRI International

 

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