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
666 Views
Last post January 30, 2023, 2049 UTC
by RainBrandy
0 Replies
291 Views
Last post January 30, 2023, 1916 UTC
by Ray Lalleu
0 Replies
344 Views
Last post January 30, 2023, 1800 UTC
by Ray Lalleu
1 Replies
353 Views
Last post January 30, 2023, 1641 UTC
by Ray Lalleu
4 Replies
578 Views
Last post January 29, 2023, 2147 UTC
by Ray Lalleu
2 Replies
387 Views
Last post January 29, 2023, 2044 UTC
by kris
0 Replies
379 Views
Last post January 29, 2023, 1824 UTC
by Ray Lalleu
0 Replies
321 Views
Last post January 29, 2023, 1812 UTC
by Ray Lalleu
7 Replies
1167 Views
Last post January 29, 2023, 1810 UTC
by Radio Star
7 Replies
1209 Views
Last post January 29, 2023, 1759 UTC
by kris
1 Replies
322 Views
Last post January 29, 2023, 1746 UTC
by kris
1 Replies
224 Views
Last post January 29, 2023, 1744 UTC
by Shortwave_Listener
0 Replies
196 Views
Last post January 29, 2023, 1641 UTC
by Ray Lalleu
0 Replies
241 Views
Last post January 29, 2023, 1629 UTC
by Ray Lalleu
0 Replies
217 Views
Last post January 29, 2023, 1607 UTC
by Ray Lalleu
0 Replies
325 Views
Last post January 29, 2023, 1544 UTC
by Ray Lalleu
0 Replies
229 Views
Last post January 29, 2023, 1542 UTC
by Ray Lalleu
2 Replies
524 Views
Last post January 29, 2023, 1538 UTC
by Ray Lalleu
2 Replies
462 Views
Last post January 29, 2023, 1538 UTC
by kobalts
1 Replies
310 Views
Last post January 29, 2023, 1535 UTC
by Ray Lalleu

 

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