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
3345 Views
Last post June 12, 2025, 0401 UTC
by nitroengine
0 Replies
1002 Views
Last post May 22, 2025, 1818 UTC
by ThaDood
1 Replies
1618 Views
Last post May 19, 2025, 1321 UTC
by ChrisSmolinski
19 Replies
28058 Views
Last post May 09, 2025, 1107 UTC
by alpard
0 Replies
1418 Views
Last post April 29, 2025, 1711 UTC
by ThaDood
WavViewDX

Started by nh-p

0 Replies
4304 Views
Last post February 02, 2025, 2018 UTC
by nh-p
17 Replies
20117 Views
Last post December 28, 2024, 0406 UTC
by RobRich
0 Replies
2471 Views
Last post December 18, 2024, 1919 UTC
by RobRich
2 Replies
4089 Views
Last post December 08, 2024, 0017 UTC
by RobRich
3 Replies
3981 Views
Last post October 30, 2024, 2320 UTC
by osiris
3 Replies
3147 Views
Last post October 30, 2024, 2315 UTC
by osiris
1 Replies
2677 Views
Last post September 30, 2024, 1437 UTC
by JACE26
1 Replies
2476 Views
Last post September 17, 2024, 1836 UTC
by RobRich
2 Replies
2279 Views
Last post September 16, 2024, 2350 UTC
by boston_strangler
5 Replies
5307 Views
Last post September 02, 2024, 2018 UTC
by rbrandi
31 Replies
25266 Views
Last post August 15, 2024, 0429 UTC
by RobRich
0 Replies
2302 Views
Last post August 07, 2024, 1622 UTC
by ThaDood
0 Replies
2247 Views
Last post August 06, 2024, 1951 UTC
by RobRich
1 Replies
3252 Views
Last post July 19, 2024, 2021 UTC
by RobRich
5 Replies
6413 Views
Last post July 17, 2024, 1612 UTC
by n2avh

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns