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
392 Views
Last post June 20, 2020, 1949 UTC
by Ray Lalleu
1 Replies
485 Views
Last post November 04, 2023, 1049 UTC
by Ray Lalleu
1 Replies
426 Views
Last post June 06, 2020, 1713 UTC
by Ray Lalleu
1 Replies
324 Views
Last post June 30, 2023, 2100 UTC
by Ray Lalleu
2 Replies
536 Views
Last post June 11, 2020, 1715 UTC
by kris
1 Replies
409 Views
Last post November 04, 2023, 1003 UTC
by Ray Lalleu
4 Replies
828 Views
Last post April 17, 2022, 1919 UTC
by The Vault Keeper
1 Replies
388 Views
Last post June 13, 2020, 1912 UTC
by Ray Lalleu
1 Replies
359 Views
Last post October 29, 2023, 1933 UTC
by Ray Lalleu
2 Replies
344 Views
Last post October 29, 2023, 1839 UTC
by kris
1 Replies
308 Views
Last post March 27, 2024, 1919 UTC
by Ray Lalleu
2 Replies
586 Views
Last post April 16, 2021, 2148 UTC
by kris
2 Replies
539 Views
Last post February 03, 2022, 1232 UTC
by ChrisSmolinski
4 Replies
473 Views
Last post May 14, 2023, 2035 UTC
by fox558
1 Replies
369 Views
Last post February 24, 2023, 2017 UTC
by Ray Lalleu
3 Replies
441 Views
Last post February 24, 2023, 2000 UTC
by graeme_ncl
3 Replies
418 Views
Last post May 06, 2023, 2116 UTC
by kris
1 Replies
327 Views
Last post May 06, 2023, 1937 UTC
by Ray Lalleu
2 Replies
372 Views
Last post May 01, 2023, 1841 UTC
by Ray Lalleu
6 Replies
632 Views
Last post March 07, 2023, 0419 UTC
by blw

 

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