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
534 Views
Last post December 22, 2018, 2025 UTC
by ChrisSmolinski
0 Replies
534 Views
Last post August 26, 2017, 1346 UTC
by ChrisSmolinski
1 Replies
534 Views
Last post May 27, 2024, 1506 UTC
by N2MLP
3 Replies
534 Views
Last post May 26, 2024, 1550 UTC
by L Cee
3 Replies
534 Views
Last post June 18, 2023, 1415 UTC
by caodwolf
0 Replies
534 Views
Last post May 21, 2021, 0220 UTC
by Paul Turkk
2 Replies
534 Views
Last post March 28, 2025, 2216 UTC
by Radiouser
0 Replies
534 Views
Last post December 26, 2023, 0530 UTC
by ~SIGINT~
1 Replies
533 Views
Last post July 27, 2021, 0101 UTC
by refmo
0 Replies
533 Views
Last post September 14, 2018, 1011 UTC
by ChrisSmolinski
1 Replies
533 Views
Last post May 30, 2025, 1151 UTC
by ChrisLobdell
1 Replies
533 Views
Last post September 25, 2021, 1111 UTC
by Andrew Yoder
13 Replies
533 Views
Last post August 02, 2025, 0054 UTC
by Quasar
3 Replies
533 Views
Last post January 18, 2023, 2129 UTC
by flexoman61
4 Replies
533 Views
Last post October 22, 2024, 0150 UTC
by Radiouser
0 Replies
533 Views
Last post April 07, 2018, 0000 UTC
by ChrisSmolinski
0 Replies
533 Views
Last post December 22, 2018, 0213 UTC
by refmo
4 Replies
533 Views
Last post January 15, 2024, 2006 UTC
by Ct Yankee
1 Replies
533 Views
Last post May 25, 2024, 1608 UTC
by ChrisSmolinski
0 Replies
533 Views
Last post June 05, 2020, 2132 UTC
by Big Badfish Al

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns