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
342 Views
Last post November 04, 2024, 1232 UTC
by ChrisSmolinski
0 Replies
327 Views
Last post October 18, 2024, 1413 UTC
by ChrisSmolinski
0 Replies
479 Views
Last post September 30, 2023, 1442 UTC
by ChrisSmolinski
0 Replies
680 Views
Last post October 01, 2023, 1416 UTC
by ChrisSmolinski
0 Replies
396 Views
Last post December 05, 2023, 1553 UTC
by ChrisSmolinski
0 Replies
465 Views
Last post January 31, 2024, 1220 UTC
by ChrisSmolinski
0 Replies
291 Views
Last post September 30, 2024, 1145 UTC
by ChrisSmolinski
0 Replies
274 Views
Last post October 04, 2024, 1203 UTC
by ChrisSmolinski
0 Replies
272 Views
Last post October 07, 2024, 1130 UTC
by ChrisSmolinski
0 Replies
472 Views
Last post June 17, 2024, 1234 UTC
by ChrisSmolinski
1 Replies
551 Views
Last post March 19, 2024, 1125 UTC
by ChrisSmolinski
0 Replies
1055 Views
Last post January 08, 2019, 0027 UTC
by kris
0 Replies
1164 Views
Last post January 02, 2019, 0049 UTC
by kris
0 Replies
191 Views
Last post January 01, 2025, 1215 UTC
by ChrisSmolinski
1 Replies
3744 Views
Last post September 23, 2016, 1523 UTC
by BDM
0 Replies
476 Views
Last post February 02, 2025, 1425 UTC
by ChrisSmolinski
0 Replies
668 Views
Last post July 12, 2024, 1144 UTC
by ChrisSmolinski
0 Replies
359 Views
Last post October 29, 2024, 1217 UTC
by ChrisSmolinski
0 Replies
498 Views
Last post June 03, 2024, 1304 UTC
by ChrisSmolinski
0 Replies
279 Views
Last post December 02, 2024, 0231 UTC
by wogggieee

 

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