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
10 Replies
2012 Views
Last post September 27, 2019, 2103 UTC
by Josh
6 Replies
1360 Views
Last post March 17, 2020, 0540 UTC
by CoolAM Radio
2 Replies
735 Views
Last post September 25, 2020, 1714 UTC
by Bali_Frank
3 Replies
804 Views
Last post May 15, 2021, 1614 UTC
by Mr. Pick
6 Replies
1197 Views
Last post August 24, 2019, 2250 UTC
by texas1dxer
1 Replies
647 Views
Last post September 24, 2020, 1608 UTC
by ChrisSmolinski
18 Replies
3046 Views
Last post May 10, 2020, 0205 UTC
by MDK2
10 Replies
1129 Views
Last post February 06, 2023, 0110 UTC
by Shortwave_Listener
0 Replies
541 Views
Last post August 25, 2019, 0001 UTC
by Ray Lalleu
30 Replies
3848 Views
Last post May 09, 2021, 1202 UTC
by CoolAM Radio
3 Replies
713 Views
Last post February 05, 2023, 2351 UTC
by M R I
13 Replies
1947 Views
Last post August 09, 2021, 0202 UTC
by Sarge94
13 Replies
1888 Views
Last post August 07, 2021, 2259 UTC
by UncleJohn
10 Replies
1374 Views
Last post August 17, 2021, 0133 UTC
by Dr. Strangelove
3 Replies
749 Views
Last post June 26, 2021, 1654 UTC
by Rob.
14 Replies
1409 Views
Last post June 26, 2022, 0109 UTC
by myteaquinn
10 Replies
1519 Views
Last post June 20, 2021, 2138 UTC
by ~SIGINT~
15 Replies
1865 Views
Last post February 19, 2023, 0238 UTC
by Shortwave_Listener
5 Replies
1206 Views
Last post December 07, 2018, 2059 UTC
by Josh
14 Replies
1808 Views
Last post March 25, 2022, 0019 UTC
by Sarge94

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns