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
417 Views
Last post January 30, 2021, 2016 UTC
by kris
0 Replies
310 Views
Last post April 27, 2020, 1004 UTC
by Ray Lalleu
0 Replies
402 Views
Last post April 03, 2019, 1811 UTC
by Ray Lalleu
2 Replies
275 Views
Last post May 27, 2023, 2034 UTC
by kris
2 Replies
506 Views
Last post April 13, 2022, 0903 UTC
by dave1965
1 Replies
553 Views
Last post June 08, 2018, 1920 UTC
by kris
1 Replies
354 Views
Last post September 29, 2023, 2153 UTC
by kris
0 Replies
355 Views
Last post October 04, 2021, 1558 UTC
by Ray Lalleu
1 Replies
371 Views
Last post January 27, 2020, 1523 UTC
by Ray Lalleu
0 Replies
192 Views
Last post December 24, 2024, 1802 UTC
by Ray Lalleu
1 Replies
426 Views
Last post March 10, 2021, 1824 UTC
by TRI International
0 Replies
402 Views
Last post May 18, 2019, 1756 UTC
by Ray Lalleu
1 Replies
318 Views
Last post May 20, 2024, 2014 UTC
by Fisherman
1 Replies
413 Views
Last post May 23, 2022, 1057 UTC
by TRI International
0 Replies
326 Views
Last post September 28, 2019, 1457 UTC
by Ray Lalleu
0 Replies
461 Views
Last post November 07, 2023, 1805 UTC
by Ray Lalleu
2 Replies
316 Views
Last post September 18, 2022, 1910 UTC
by kris
3 Replies
669 Views
Last post November 16, 2021, 1418 UTC
by The Vault Keeper
0 Replies
293 Views
Last post December 09, 2020, 1711 UTC
by Ray Lalleu
1 Replies
376 Views
Last post March 17, 2020, 1705 UTC
by kris

 

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