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
297 Views
Last post March 08, 2023, 1457 UTC
by ChrisSmolinski
0 Replies
354 Views
Last post March 16, 2024, 1611 UTC
by flexoman61
0 Replies
240 Views
Last post November 23, 2024, 1648 UTC
by flexoman61
0 Replies
565 Views
Last post March 19, 2022, 1722 UTC
by ChrisSmolinski
0 Replies
350 Views
Last post March 12, 2023, 1825 UTC
by Shortwave_Listener
0 Replies
366 Views
Last post April 12, 2024, 1541 UTC
by flexoman61
0 Replies
403 Views
Last post January 28, 2023, 1701 UTC
by refmo
0 Replies
686 Views
Last post July 19, 2018, 1302 UTC
by ChrisSmolinski
0 Replies
527 Views
Last post November 11, 2018, 1138 UTC
by Ray Lalleu
0 Replies
392 Views
Last post June 05, 2020, 1225 UTC
by kris
0 Replies
541 Views
Last post December 16, 2018, 1406 UTC
by kris
0 Replies
445 Views
Last post September 03, 2019, 1922 UTC
by Ray Lalleu
0 Replies
639 Views
Last post August 31, 2018, 1727 UTC
by Ray Lalleu
1 Replies
767 Views
Last post October 09, 2018, 0835 UTC
by CoolAM Radio
2 Replies
973 Views
Last post May 25, 2019, 1631 UTC
by Brian
0 Replies
606 Views
Last post January 13, 2019, 1639 UTC
by Ray Lalleu
0 Replies
701 Views
Last post October 15, 2018, 1644 UTC
by Ray Lalleu
0 Replies
433 Views
Last post March 23, 2019, 2050 UTC
by Ray Lalleu
0 Replies
468 Views
Last post May 05, 2019, 1939 UTC
by Ray Lalleu
0 Replies
517 Views
Last post February 01, 2019, 1941 UTC
by Ray Lalleu

 

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