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
5149 Views
Last post April 28, 2023, 0850 UTC
by Mathew
8 Replies
9927 Views
Last post December 26, 2023, 1849 UTC
by Daniel Wyllyans
0 Replies
2288 Views
Last post March 16, 2017, 2338 UTC
by ChrisSmolinski
0 Replies
2016 Views
Last post March 20, 2017, 1232 UTC
by ChrisSmolinski
0 Replies
1807 Views
Last post March 21, 2017, 1316 UTC
by ChrisSmolinski
0 Replies
2196 Views
Last post March 24, 2017, 0056 UTC
by ChrisSmolinski
0 Replies
1711 Views
Last post March 25, 2017, 0034 UTC
by ChrisSmolinski
0 Replies
1715 Views
Last post March 26, 2017, 0018 UTC
by ChrisSmolinski
0 Replies
1810 Views
Last post March 26, 2017, 2341 UTC
by ChrisSmolinski
0 Replies
1914 Views
Last post March 28, 2017, 1330 UTC
by ChrisSmolinski
0 Replies
1835 Views
Last post March 30, 2017, 1349 UTC
by ChrisSmolinski
0 Replies
2127 Views
Last post March 31, 2017, 0259 UTC
by ChrisSmolinski
0 Replies
1624 Views
Last post March 31, 2017, 2329 UTC
by ChrisSmolinski
0 Replies
1812 Views
Last post May 07, 2017, 1200 UTC
by Daniel Wyllyans
0 Replies
1675 Views
Last post May 22, 2017, 1226 UTC
by ChrisSmolinski
0 Replies
1527 Views
Last post September 30, 2017, 2247 UTC
by ChrisSmolinski
0 Replies
1517 Views
Last post October 03, 2017, 2251 UTC
by ChrisSmolinski
0 Replies
1535 Views
Last post October 05, 2017, 1214 UTC
by ChrisSmolinski
0 Replies
1438 Views
Last post October 14, 2017, 2245 UTC
by ChrisSmolinski
0 Replies
1450 Views
Last post October 16, 2017, 2238 UTC
by ChrisSmolinski

 

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