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
3 Replies
552 Views
Last post June 12, 2021, 1325 UTC
by myteaquinn
1 Replies
481 Views
Last post January 15, 2022, 0412 UTC
by Molvania Poacher
0 Replies
241 Views
Last post April 28, 2023, 1703 UTC
by Bali_Frank
1 Replies
447 Views
Last post July 08, 2021, 0249 UTC
by raypfaff
2 Replies
525 Views
Last post February 19, 2022, 0412 UTC
by Skipmuck
1 Replies
449 Views
Last post April 09, 2022, 0233 UTC
by hsmith77
0 Replies
446 Views
Last post August 15, 2020, 0210 UTC
by Bali_Frank
1 Replies
415 Views
Last post March 27, 2021, 1211 UTC
by Chuck54
2 Replies
410 Views
Last post June 19, 2022, 0048 UTC
by Molvania Poacher
1 Replies
594 Views
Last post April 18, 2021, 1007 UTC
by RainBrandy
0 Replies
391 Views
Last post October 01, 2021, 2110 UTC
by Bali_Frank
2 Replies
558 Views
Last post May 02, 2021, 1251 UTC
by Skipmuck
2 Replies
361 Views
Last post March 28, 2023, 2241 UTC
by hsmith77
1 Replies
475 Views
Last post May 20, 2021, 2303 UTC
by Chuck54
6 Replies
644 Views
Last post September 24, 2022, 0106 UTC
by Davep
1 Replies
426 Views
Last post June 12, 2021, 1500 UTC
by Skipmuck
1 Replies
319 Views
Last post November 05, 2022, 1940 UTC
by hsmith77
8 Replies
1017 Views
Last post February 20, 2022, 0153 UTC
by Erik Mattson
5 Replies
651 Views
Last post December 18, 2022, 1201 UTC
by Pigmeat
3 Replies
618 Views
Last post April 10, 2022, 2225 UTC
by flexoman61

 

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