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
419 Views
Last post September 19, 2021, 1824 UTC
by Grey Fox
1 Replies
196 Views
Last post November 12, 2023, 1051 UTC
by RainBrandy
2 Replies
239 Views
Last post August 21, 2023, 2020 UTC
by europirate
2 Replies
575 Views
Last post March 02, 2020, 1609 UTC
by Ray Lalleu
1 Replies
335 Views
Last post December 20, 2020, 0951 UTC
by FOX
1 Replies
420 Views
Last post January 03, 2021, 1014 UTC
by FOX
1 Replies
294 Views
Last post December 06, 2020, 1037 UTC
by FOX
0 Replies
241 Views
Last post December 06, 2020, 1330 UTC
by Ray Lalleu
3 Replies
542 Views
Last post October 04, 2020, 1420 UTC
by Ronald_Mullis
1 Replies
370 Views
Last post November 22, 2020, 1428 UTC
by FOX
0 Replies
248 Views
Last post November 14, 2020, 1425 UTC
by Ray Lalleu
0 Replies
291 Views
Last post December 26, 2020, 1818 UTC
by Ray Lalleu
0 Replies
323 Views
Last post April 07, 2020, 1900 UTC
by Ray Lalleu
1 Replies
386 Views
Last post August 13, 2021, 1841 UTC
by Ray Lalleu
2 Replies
473 Views
Last post August 10, 2021, 1937 UTC
by Ray Lalleu
0 Replies
126 Views
Last post December 10, 2024, 1916 UTC
by dxace1
3 Replies
707 Views
Last post June 15, 2022, 1937 UTC
by KaySeeks
3 Replies
1798 Views
Last post June 17, 2014, 2110 UTC
by zilverado
0 Replies
1581 Views
Last post November 18, 2012, 0117 UTC
by ChrisLobdel
5 Replies
1655 Views
Last post March 30, 2014, 2047 UTC
by zilverado

 

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