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
2 Replies
624 Views
Last post October 16, 2021, 1453 UTC
by raypfaff
1 Replies
513 Views
Last post October 16, 2021, 1526 UTC
by Bali_Frank
0 Replies
400 Views
Last post October 16, 2021, 1613 UTC
by Ray Lalleu
0 Replies
446 Views
Last post October 16, 2021, 1623 UTC
by Ray Lalleu
1 Replies
521 Views
Last post October 16, 2021, 1630 UTC
by ukdxer
2 Replies
602 Views
Last post October 16, 2021, 1632 UTC
by Bricklayer
1 Replies
462 Views
Last post October 16, 2021, 1641 UTC
by kris
2 Replies
582 Views
Last post October 16, 2021, 1647 UTC
by kris
2 Replies
656 Views
Last post October 16, 2021, 1655 UTC
by Ray Lalleu
2 Replies
746 Views
Last post October 16, 2021, 1829 UTC
by Ray Lalleu
1 Replies
550 Views
Last post October 16, 2021, 1857 UTC
by kris
1 Replies
591 Views
Last post October 16, 2021, 1920 UTC
by Ray Lalleu
2 Replies
559 Views
Last post October 16, 2021, 1932 UTC
by kobalts
0 Replies
623 Views
Last post October 16, 2021, 1944 UTC
by Ray Lalleu
2 Replies
630 Views
Last post October 16, 2021, 2025 UTC
by Ray Lalleu
1 Replies
598 Views
Last post October 16, 2021, 2109 UTC
by Jari Finland
1 Replies
633 Views
Last post October 16, 2021, 2219 UTC
by ChrisSmolinski
0 Replies
432 Views
Last post October 16, 2021, 2242 UTC
by Ray Lalleu
8 Replies
1126 Views
Last post October 16, 2021, 2247 UTC
by myteaquinn
9 Replies
1871 Views
Last post October 16, 2021, 2254 UTC
by Michman

 

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