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
5 Replies
462 Views
Last post December 31, 2024, 1643 UTC
by m3ozp1
0 Replies
513 Views
Last post January 15, 2019, 1513 UTC
by Ray Lalleu
0 Replies
347 Views
Last post February 07, 2020, 1623 UTC
by Ray Lalleu
0 Replies
276 Views
Last post December 18, 2020, 0946 UTC
by Ray Lalleu
0 Replies
403 Views
Last post October 13, 2021, 1810 UTC
by Ray Lalleu
0 Replies
152 Views
Last post July 14, 2025, 2133 UTC
by Ray Lalleu
4 Replies
851 Views
Last post June 23, 2018, 2221 UTC
by ralf_bender
1 Replies
428 Views
Last post October 06, 2019, 1458 UTC
by kris
1 Replies
476 Views
Last post June 27, 2021, 1857 UTC
by Bali_Frank
0 Replies
199 Views
Last post June 04, 2023, 1728 UTC
by Ray Lalleu
0 Replies
513 Views
Last post May 03, 2020, 1900 UTC
by Ray Lalleu
2 Replies
491 Views
Last post January 16, 2022, 1127 UTC
by Bali_Frank
1 Replies
290 Views
Last post January 12, 2024, 0921 UTC
by kris
0 Replies
464 Views
Last post November 10, 2018, 1340 UTC
by Ray Lalleu
1 Replies
402 Views
Last post July 31, 2022, 1904 UTC
by Bricklayer
1 Replies
365 Views
Last post August 15, 2024, 2128 UTC
by kris
3 Replies
865 Views
Last post April 14, 2019, 0246 UTC
by Daniel Wyllyans
0 Replies
381 Views
Last post April 03, 2020, 1613 UTC
by Ray Lalleu
0 Replies
372 Views
Last post February 06, 2021, 1526 UTC
by Ray Lalleu
0 Replies
202 Views
Last post December 18, 2022, 1429 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 Mug
HFUnderground Mug
by MitchellTimeDesigns