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 permissable in your locale.

Subject / Started by Last post
0 Replies
423 Views
Last post January 07, 2022, 1142 UTC
by orourkeda
0 Replies
423 Views
Last post October 11, 2021, 1231 UTC
by kris
0 Replies
424 Views
Last post September 13, 2021, 1115 UTC
by orourkeda
0 Replies
426 Views
Last post December 02, 2021, 1434 UTC
by kris
0 Replies
427 Views
Last post December 02, 2021, 1429 UTC
by kris
0 Replies
428 Views
Last post March 06, 2022, 1533 UTC
by kris
0 Replies
429 Views
Last post October 12, 2021, 1203 UTC
by orourkeda
0 Replies
432 Views
Last post September 13, 2021, 1238 UTC
by orourkeda
0 Replies
434 Views
Last post October 10, 2021, 1937 UTC
by orourkeda
0 Replies
437 Views
Last post October 13, 2021, 1324 UTC
by kris
0 Replies
438 Views
Last post January 07, 2022, 1854 UTC
by Erik Mattson
0 Replies
439 Views
Last post January 10, 2022, 1843 UTC
by Erik Mattson
0 Replies
441 Views
Last post December 02, 2021, 1408 UTC
by kris
0 Replies
443 Views
Last post August 11, 2022, 1710 UTC
by PXR-5
0 Replies
443 Views
Last post April 17, 2022, 0509 UTC
by Shortwave_Listener
0 Replies
449 Views
Last post January 30, 2022, 1035 UTC
by l0ngwire
0 Replies
453 Views
Last post October 14, 2021, 1346 UTC
by kris
0 Replies
461 Views
Last post February 10, 2022, 1254 UTC
by orourkeda
0 Replies
465 Views
Last post March 04, 2022, 1435 UTC
by Token
0 Replies
466 Views
Last post January 07, 2022, 1150 UTC
by orourkeda

 

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