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
2 Replies
3133 Views
Last post February 08, 2025, 0124 UTC
by DXrafaelcolDX
3 Replies
1461 Views
Last post December 30, 2019, 1821 UTC
by ChrisSmolinski
3 Replies
1698 Views
Last post January 06, 2022, 0016 UTC
by Radio Star
2 Replies
1550 Views
Last post January 04, 2020, 0215 UTC
by myteaquinn
1 Replies
2515 Views
Last post January 03, 2025, 0011 UTC
by dxace1
3 Replies
1833 Views
Last post January 06, 2022, 1240 UTC
by ChrisSmolinski
6 Replies
1566 Views
Last post February 14, 2023, 0147 UTC
by Dxcan
1 Replies
1081 Views
Last post October 02, 2020, 1256 UTC
by ChrisSmolinski
0 Replies
5467 Views
Last post August 17, 2019, 2205 UTC
by Ray Lalleu
1 Replies
1237 Views
Last post September 28, 2019, 1602 UTC
by ChrisSmolinski
8 Replies
1907 Views
Last post September 29, 2022, 2341 UTC
by Zane
8 Replies
2084 Views
Last post November 29, 2023, 0002 UTC
by myteaquinn
2 Replies
1547 Views
Last post October 08, 2020, 1024 UTC
by ChrisSmolinski
1 Replies
1204 Views
Last post January 05, 2021, 1208 UTC
by ChrisSmolinski
0 Replies
1170 Views
Last post September 08, 2021, 2329 UTC
by Skipmuck
1 Replies
1234 Views
Last post January 06, 2021, 1521 UTC
by ChrisSmolinski
2 Replies
1406 Views
Last post October 12, 2020, 1049 UTC
by ChrisSmolinski
2 Replies
1271 Views
Last post March 14, 2021, 1234 UTC
by ChrisSmolinski
1 Replies
1211 Views
Last post November 16, 2020, 1345 UTC
by ChrisSmolinski
1 Replies
1150 Views
Last post September 08, 2021, 1753 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 House Flag
by MitchellTimeDesigns