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
357 Views
Last post April 10, 2022, 1531 UTC
by Ray Lalleu
0 Replies
373 Views
Last post March 15, 2022, 1122 UTC
by Ray Lalleu
0 Replies
414 Views
Last post March 18, 2022, 1141 UTC
by Ray Lalleu
4 Replies
627 Views
Last post September 18, 2022, 2122 UTC
by kris
1 Replies
175 Views
Last post May 29, 2025, 0713 UTC
by Ray Lalleu
1 Replies
187 Views
Last post April 15, 2025, 2038 UTC
by TRI International
0 Replies
253 Views
Last post October 02, 2022, 0711 UTC
by Ray Lalleu
0 Replies
252 Views
Last post October 09, 2022, 0727 UTC
by Ray Lalleu
1 Replies
344 Views
Last post September 18, 2022, 0900 UTC
by dave1965
2 Replies
476 Views
Last post September 24, 2022, 2101 UTC
by Ray Lalleu
1 Replies
317 Views
Last post September 24, 2022, 1938 UTC
by kobalts
2 Replies
394 Views
Last post October 05, 2022, 1827 UTC
by dave1965
1 Replies
244 Views
Last post February 04, 2024, 1333 UTC
by Ray Lalleu
1 Replies
432 Views
Last post March 08, 2020, 1518 UTC
by Demetre
1 Replies
519 Views
Last post January 03, 2021, 0935 UTC
by FOX
0 Replies
374 Views
Last post January 17, 2021, 1132 UTC
by Ray Lalleu
0 Replies
434 Views
Last post January 10, 2021, 0912 UTC
by Ray Lalleu
0 Replies
417 Views
Last post January 24, 2021, 0947 UTC
by Ray Lalleu
0 Replies
362 Views
Last post January 17, 2021, 1424 UTC
by Ray Lalleu
1 Replies
560 Views
Last post February 14, 2021, 1733 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