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
21 Replies
2223 Views
Last post April 22, 2023, 0117 UTC
by nitroengine
9 Replies
1438 Views
Last post February 24, 2024, 0333 UTC
by n2avh
3 Replies
745 Views
Last post February 06, 2022, 2258 UTC
by ChrisSmolinski
3 Replies
894 Views
Last post August 05, 2021, 0050 UTC
by Andrew Yoder
6 Replies
1021 Views
Last post January 27, 2024, 0341 UTC
by RobRich
5 Replies
1095 Views
Last post October 25, 2021, 0006 UTC
by Bali_Frank
9 Replies
1056 Views
Last post June 26, 2023, 0349 UTC
by Pigmeat
17 Replies
1803 Views
Last post May 27, 2023, 0254 UTC
by Markokpik
16 Replies
2076 Views
Last post April 22, 2023, 0618 UTC
by Pigmeat
13 Replies
1863 Views
Last post September 16, 2023, 1216 UTC
by ChrisSmolinski
13 Replies
1788 Views
Last post September 08, 2022, 0516 UTC
by Zoidberg
4 Replies
1514 Views
Last post April 27, 2021, 0025 UTC
by Radio Star
15 Replies
2876 Views
Last post June 12, 2021, 0244 UTC
by LRFox
13 Replies
1463 Views
Last post February 24, 2024, 0320 UTC
by Markokpik
2 Replies
806 Views
Last post July 31, 2021, 0159 UTC
by MrMomB
12 Replies
1415 Views
Last post February 07, 2022, 0021 UTC
by myteaquinn
8 Replies
1595 Views
Last post June 15, 2021, 0131 UTC
by Markokpik
3 Replies
985 Views
Last post August 05, 2021, 2338 UTC
by CoolAM Radio
8 Replies
1251 Views
Last post September 11, 2021, 0308 UTC
by Dr. Strangelove
3 Replies
1006 Views
Last post May 12, 2022, 1206 UTC
by Andrew Yoder

 

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