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
1 Replies
1020 Views
Last post September 28, 2018, 1228 UTC
by Daniel Wyllyans
1 Replies
1021 Views
Last post June 13, 2024, 0212 UTC
by Shortwave_Listener
0 Replies
1021 Views
Last post April 02, 2019, 1329 UTC
by Daniel Wyllyans
0 Replies
1022 Views
Last post December 01, 2017, 2304 UTC
by ChrisSmolinski
3 Replies
1022 Views
Last post April 09, 2022, 2244 UTC
by Ct Yankee
1 Replies
1023 Views
Last post October 04, 2020, 0046 UTC
by PirateSWL
0 Replies
1023 Views
Last post March 31, 2018, 0152 UTC
by Helicaster
0 Replies
1023 Views
Last post May 17, 2018, 1137 UTC
by ChrisSmolinski
2 Replies
1023 Views
Last post October 09, 2020, 2218 UTC
by Skipmuck
1 Replies
1024 Views
Last post March 08, 2021, 0053 UTC
by Skipmuck
4 Replies
1024 Views
Last post April 23, 2022, 0302 UTC
by canswl
3 Replies
1024 Views
Last post April 05, 2022, 2344 UTC
by Skipmuck
1 Replies
1025 Views
Last post July 28, 2018, 0018 UTC
by Helicaster
0 Replies
1025 Views
Last post February 24, 2020, 1423 UTC
by Daniel Wyllyans
2 Replies
1026 Views
Last post October 16, 2021, 1203 UTC
by ChrisSmolinski
2 Replies
1026 Views
Last post December 19, 2018, 1248 UTC
by ChrisSmolinski
1 Replies
1026 Views
Last post January 19, 2019, 2352 UTC
by Ray Lalleu
1 Replies
1027 Views
Last post May 16, 2018, 2347 UTC
by Daniel Wyllyans
1 Replies
1027 Views
Last post July 05, 2018, 0134 UTC
by Ray Lalleu
0 Replies
1027 Views
Last post March 06, 2019, 1000 UTC
by Daniel Wyllyans

 

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