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
500 Views
Last post July 01, 2022, 2354 UTC
by Pigmeat
2 Replies
255 Views
Last post May 14, 2023, 0410 UTC
by Treehouse SWL
1 Replies
172 Views
Last post July 04, 2023, 0341 UTC
by N2MLP
2 Replies
196 Views
Last post August 20, 2023, 0432 UTC
by Molvania Poacher
2 Replies
167 Views
Last post June 22, 2023, 0431 UTC
by canswl
1 Replies
200 Views
Last post May 26, 2023, 0345 UTC
by Molvania Poacher
2 Replies
200 Views
Last post June 10, 2023, 0354 UTC
by Treehouse SWL
0 Replies
277 Views
Last post September 06, 2022, 0420 UTC
by Shortwave_Listener
2 Replies
417 Views
Last post December 27, 2023, 0352 UTC
by canswl
3 Replies
284 Views
Last post August 05, 2023, 0345 UTC
by clobdell
0 Replies
152 Views
Last post July 05, 2023, 0345 UTC
by Pigmeat
5 Replies
396 Views
Last post June 03, 2023, 1626 UTC
by fpeconsultant
0 Replies
129 Views
Last post April 12, 2023, 0326 UTC
by Shortwave_Listener
1 Replies
194 Views
Last post May 31, 2023, 0400 UTC
by Charlie_Dont_Surf
2 Replies
451 Views
Last post May 25, 2022, 0421 UTC
by RobRich
3 Replies
274 Views
Last post July 23, 2023, 0340 UTC
by Markokpik
0 Replies
501 Views
Last post April 19, 2020, 0326 UTC
by Big Badfish Al
2 Replies
179 Views
Last post July 08, 2023, 0337 UTC
by Molvania Poacher
3 Replies
169 Views
Last post March 10, 2024, 0731 UTC
by TheHappyWanker
0 Replies
434 Views
Last post May 09, 2022, 0335 UTC
by Treehouse SWL

 

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