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
1 Replies
297 Views
Last post December 28, 2022, 1950 UTC
by Ray Lalleu
1 Replies
339 Views
Last post December 28, 2022, 1722 UTC
by Shortwave_Listener
1 Replies
311 Views
Last post December 28, 2022, 1548 UTC
by TRI International
0 Replies
253 Views
Last post December 28, 2022, 1534 UTC
by Ray Lalleu
0 Replies
256 Views
Last post December 28, 2022, 1413 UTC
by europirate
1 Replies
352 Views
Last post December 28, 2022, 1257 UTC
by Ray Lalleu
1 Replies
311 Views
Last post December 28, 2022, 1239 UTC
by Bricklayer
2 Replies
391 Views
Last post December 28, 2022, 1016 UTC
by dave1965
0 Replies
226 Views
Last post December 28, 2022, 1012 UTC
by Ray Lalleu
1 Replies
321 Views
Last post December 27, 2022, 1709 UTC
by Ray Lalleu
0 Replies
343 Views
Last post December 27, 2022, 1630 UTC
by Ray Lalleu
2 Replies
469 Views
Last post December 27, 2022, 1531 UTC
by Ray Lalleu
4 Replies
554 Views
Last post December 27, 2022, 1519 UTC
by MI0YCK
0 Replies
281 Views
Last post December 27, 2022, 1459 UTC
by Ray Lalleu
2 Replies
379 Views
Last post December 27, 2022, 1455 UTC
by Ethernut
2 Replies
450 Views
Last post December 27, 2022, 1437 UTC
by Ray Lalleu
0 Replies
293 Views
Last post December 27, 2022, 1436 UTC
by Ray Lalleu
1 Replies
385 Views
Last post December 27, 2022, 1341 UTC
by Bricklayer
0 Replies
296 Views
Last post December 27, 2022, 1200 UTC
by TRI International
2 Replies
404 Views
Last post December 27, 2022, 1158 UTC
by Bricklayer

 

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