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
4 Replies
539 Views
Last post July 05, 2023, 0143 UTC
by Shortwave_Listener
1 Replies
539 Views
Last post July 06, 2019, 1716 UTC
by PirateSWL
0 Replies
539 Views
Last post September 22, 2019, 1025 UTC
by ChrisSmolinski
1 Replies
539 Views
Last post December 02, 2017, 1837 UTC
by MDK2
6 Replies
539 Views
Last post October 19, 2024, 0141 UTC
by elburndx
3 Replies
539 Views
Last post June 25, 2022, 1414 UTC
by ChrisSmolinski
1 Replies
540 Views
Last post May 31, 2021, 0031 UTC
by ~SIGINT~
0 Replies
540 Views
Last post March 21, 2022, 0321 UTC
by myteaquinn
0 Replies
540 Views
Last post July 12, 2021, 0441 UTC
by Radio Genix
3 Replies
540 Views
Last post December 12, 2024, 1349 UTC
by Radiouser
3 Replies
540 Views
Last post August 09, 2023, 1436 UTC
by flexoman61
0 Replies
540 Views
Last post June 09, 2020, 1205 UTC
by ChrisSmolinski
2 Replies
540 Views
Last post April 17, 2023, 0715 UTC
by Route66Fan
2 Replies
540 Views
Last post November 26, 2022, 1117 UTC
by Ray Lalleu
0 Replies
540 Views
Last post June 22, 2019, 1931 UTC
by ChrisSmolinski
3 Replies
540 Views
Last post November 19, 2024, 2135 UTC
by myteaquinn
0 Replies
540 Views
Last post June 30, 2018, 1512 UTC
by ChrisSmolinski
16 Replies
540 Views
Last post September 14, 2025, 0107 UTC
by Ct Yankee
0 Replies
541 Views
Last post June 16, 2020, 0348 UTC
by blw
0 Replies
541 Views
Last post June 01, 2020, 1156 UTC
by ChrisSmolinski

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns