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
16 Replies
1218 Views
Last post May 06, 2024, 0116 UTC
by William Hassig
19 Replies
1238 Views
Last post May 06, 2024, 0042 UTC
by alleycat
13 Replies
917 Views
Last post May 06, 2024, 0025 UTC
by Big Badfish Al
7 Replies
513 Views
Last post May 05, 2024, 2319 UTC
by Chronic Listener
10 Replies
658 Views
Last post May 05, 2024, 2148 UTC
by Andrew Yoder
3 Replies
274 Views
Last post May 05, 2024, 1718 UTC
by ChrisSmolinski
4 Replies
157 Views
Last post May 05, 2024, 1647 UTC
by J. Carlos Pérez Montero
3 Replies
267 Views
Last post May 05, 2024, 1621 UTC
by N2MLP
12 Replies
507 Views
Last post May 05, 2024, 1446 UTC
by Sealord
6 Replies
339 Views
Last post May 05, 2024, 1441 UTC
by Sealord
3 Replies
379 Views
Last post May 05, 2024, 1301 UTC
by N2MLP
5 Replies
426 Views
Last post May 05, 2024, 1259 UTC
by N2MLP
2 Replies
174 Views
Last post May 05, 2024, 1257 UTC
by N2MLP
4 Replies
226 Views
Last post May 05, 2024, 1255 UTC
by N2MLP
3 Replies
175 Views
Last post May 05, 2024, 0241 UTC
by Molvania Poacher
5 Replies
270 Views
Last post May 05, 2024, 0211 UTC
by Chuck54
19 Replies
898 Views
Last post May 05, 2024, 0132 UTC
by Helicaster
5 Replies
439 Views
Last post May 05, 2024, 0004 UTC
by myteaquinn
4 Replies
321 Views
Last post May 04, 2024, 2333 UTC
by hsmith77
8 Replies
275 Views
Last post May 04, 2024, 2304 UTC
by MDK2

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns