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
9 Replies
498 Views
Last post December 28, 2024, 0324 UTC
by myteaquinn
26 Replies
3259 Views
Last post December 21, 2023, 0243 UTC
by Sarge94
0 Replies
1101 Views
Last post March 24, 2013, 0119 UTC
by William Hassig
5 Replies
344 Views
Last post December 25, 2024, 0431 UTC
by dxace1
3 Replies
920 Views
Last post July 27, 2019, 0217 UTC
by Big Badfish Al
26 Replies
3172 Views
Last post March 22, 2020, 0310 UTC
by Dr. Strangelove
12 Replies
2233 Views
Last post December 10, 2017, 1504 UTC
by ChrisSmolinski
0 Replies
1041 Views
Last post March 24, 2013, 0121 UTC
by William Hassig
5 Replies
653 Views
Last post December 26, 2022, 0255 UTC
by Shortwave_Listener
34 Replies
2613 Views
Last post April 14, 2024, 0137 UTC
by WA0093SWL
8 Replies
2379 Views
Last post July 05, 2013, 1355 UTC
by ChrisSmolinski
11 Replies
2862 Views
Last post May 26, 2013, 1619 UTC
by ChrisSmolinski
25 Replies
8801 Views
Last post July 16, 2017, 0158 UTC
by myteaquinn
20 Replies
2601 Views
Last post August 08, 2021, 0507 UTC
by kandi
4 Replies
894 Views
Last post October 23, 2021, 2303 UTC
by raypfaff
0 Replies
1106 Views
Last post March 24, 2013, 0126 UTC
by William Hassig
15 Replies
1509 Views
Last post January 11, 2024, 0010 UTC
by myteaquinn
7 Replies
1294 Views
Last post January 21, 2024, 0133 UTC
by super skyrider
12 Replies
3803 Views
Last post June 03, 2016, 2011 UTC
by oly1959
15 Replies
2125 Views
Last post July 04, 2021, 2332 UTC
by Markokpik

 

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