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
0 Replies
934 Views
Last post December 01, 2021, 2030 UTC
by Daniel Wyllyans
2 Replies
1099 Views
Last post December 01, 2021, 0147 UTC
by ~SIGINT~
1 Replies
986 Views
Last post November 30, 2021, 1112 UTC
by Bali_Frank
2 Replies
1038 Views
Last post November 29, 2021, 2230 UTC
by Daniel Wyllyans
1 Replies
909 Views
Last post November 29, 2021, 2226 UTC
by Daniel Wyllyans
1 Replies
859 Views
Last post November 29, 2021, 2213 UTC
by Daniel Wyllyans
1 Replies
962 Views
Last post November 28, 2021, 0224 UTC
by refmo
3 Replies
1500 Views
Last post November 11, 2021, 2329 UTC
by Radio Star
3 Replies
1214 Views
Last post November 03, 2021, 1148 UTC
by ChrisSmolinski
0 Replies
877 Views
Last post November 02, 2021, 2328 UTC
by Skipmuck
3 Replies
1074 Views
Last post October 23, 2021, 2348 UTC
by Andrew Yoder
5 Replies
1561 Views
Last post October 22, 2021, 1226 UTC
by ChrisSmolinski
2 Replies
1134 Views
Last post October 16, 2021, 1203 UTC
by ChrisSmolinski
0 Replies
1285 Views
Last post October 09, 2021, 2056 UTC
by Big Badfish Al
0 Replies
1427 Views
Last post October 09, 2021, 1546 UTC
by Big Badfish Al
0 Replies
1360 Views
Last post October 09, 2021, 0234 UTC
by Big Badfish Al
1 Replies
1596 Views
Last post October 08, 2021, 1123 UTC
by ChrisSmolinski
3 Replies
1492 Views
Last post October 05, 2021, 1131 UTC
by ChrisSmolinski
0 Replies
1317 Views
Last post October 01, 2021, 2313 UTC
by Big Badfish Al
0 Replies
1389 Views
Last post October 01, 2021, 2209 UTC
by Big Badfish Al

 

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