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
9 Replies
923 Views
Last post March 05, 2023, 0549 UTC
by M R I
8 Replies
1095 Views
Last post March 05, 2023, 0521 UTC
by Pigmeat
15 Replies
1572 Views
Last post March 05, 2023, 0443 UTC
by Billo
23 Replies
2549 Views
Last post March 05, 2023, 0355 UTC
by blw
15 Replies
1401 Views
Last post March 05, 2023, 0254 UTC
by Pigmeat
5 Replies
855 Views
Last post March 05, 2023, 0230 UTC
by Shortwave_Listener
25 Replies
2345 Views
Last post March 05, 2023, 0149 UTC
by Pigmeat
18 Replies
1519 Views
Last post March 05, 2023, 0133 UTC
by dave524
2 Replies
629 Views
Last post March 05, 2023, 0122 UTC
by Beerus Maximus
19 Replies
1773 Views
Last post March 05, 2023, 0033 UTC
by William Hassig
8 Replies
773 Views
Last post March 04, 2023, 2319 UTC
by Pigmeat
0 Replies
341 Views
Last post March 04, 2023, 2303 UTC
by Ray Lalleu
0 Replies
333 Views
Last post March 04, 2023, 2020 UTC
by hsmith77
5 Replies
633 Views
Last post March 04, 2023, 1938 UTC
by Pigmeat
7 Replies
977 Views
Last post March 04, 2023, 1547 UTC
by Pigmeat
4 Replies
476 Views
Last post March 04, 2023, 1456 UTC
by sgreenstreet
1 Replies
525 Views
Last post March 04, 2023, 1448 UTC
by Ct Yankee
0 Replies
315 Views
Last post March 04, 2023, 1318 UTC
by ChrisSmolinski
0 Replies
282 Views
Last post March 04, 2023, 1316 UTC
by ChrisSmolinski
3 Replies
710 Views
Last post March 04, 2023, 0500 UTC
by hsmith77

 

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