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
14 Replies
2181 Views
Last post September 20, 2020, 2340 UTC
by Rizla
2 Replies
888 Views
Last post October 03, 2020, 1655 UTC
by ChrisSmolinski
2 Replies
782 Views
Last post November 01, 2021, 1716 UTC
by ✠ Blue Max
0 Replies
504 Views
Last post February 13, 2022, 1716 UTC
by ✠ Blue Max
7 Replies
1112 Views
Last post October 12, 2020, 1609 UTC
by ✠ Blue Max
6 Replies
1067 Views
Last post November 11, 2021, 0108 UTC
by Charlie_Dont_Surf
4 Replies
1149 Views
Last post November 10, 2023, 1520 UTC
by ✠ Blue Max
12 Replies
1493 Views
Last post March 09, 2024, 2309 UTC
by Shortwave_Listener
3 Replies
1108 Views
Last post September 09, 2020, 0035 UTC
by Bali_Frank
9 Replies
963 Views
Last post February 22, 2024, 1312 UTC
by ChrisSmolinski
1 Replies
637 Views
Last post November 02, 2021, 2232 UTC
by TCBS
22 Replies
4178 Views
Last post September 26, 2020, 1708 UTC
by Kage
3 Replies
814 Views
Last post November 25, 2021, 2038 UTC
by Radio Star
12 Replies
1770 Views
Last post October 31, 2020, 1728 UTC
by ✠ Blue Max
5 Replies
750 Views
Last post March 03, 2024, 1523 UTC
by Sealord
6 Replies
1211 Views
Last post November 28, 2021, 1626 UTC
by ✠ Blue Max
1 Replies
771 Views
Last post September 25, 2020, 2345 UTC
by Bali_Frank
16 Replies
1485 Views
Last post March 03, 2024, 0508 UTC
by Molvania Poacher
4 Replies
899 Views
Last post November 21, 2021, 0032 UTC
by Ray Lalleu
9 Replies
1494 Views
Last post October 11, 2020, 1852 UTC
by dxace1

 

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