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
304 Views
Last post May 07, 2023, 2014 UTC
by Ray Lalleu
1 Replies
419 Views
Last post June 18, 2022, 2103 UTC
by Ray Lalleu
0 Replies
454 Views
Last post March 20, 2022, 1008 UTC
by FOX
2 Replies
396 Views
Last post August 18, 2024, 1959 UTC
by Fisherman
0 Replies
444 Views
Last post March 06, 2022, 1243 UTC
by FOX
2 Replies
546 Views
Last post August 06, 2021, 1955 UTC
by Bali_Frank
1 Replies
323 Views
Last post March 20, 2023, 1749 UTC
by Ray Lalleu
2 Replies
340 Views
Last post December 03, 2023, 1316 UTC
by TRI International
0 Replies
490 Views
Last post December 31, 2020, 1558 UTC
by FOX
1 Replies
456 Views
Last post December 20, 2020, 0934 UTC
by Ray Lalleu
1 Replies
480 Views
Last post June 03, 2022, 2006 UTC
by Ray Lalleu
4 Replies
678 Views
Last post July 16, 2022, 2103 UTC
by Shortwave_Listener
0 Replies
266 Views
Last post May 23, 2023, 1117 UTC
by FOX
2 Replies
554 Views
Last post October 16, 2020, 1926 UTC
by Bali_Frank
3 Replies
759 Views
Last post April 13, 2020, 1418 UTC
by Normz
2 Replies
581 Views
Last post January 31, 2022, 1320 UTC
by Bali_Frank
1 Replies
450 Views
Last post May 04, 2020, 1435 UTC
by Ray Lalleu
4 Replies
419 Views
Last post July 28, 2024, 0832 UTC
by europirate
2 Replies
369 Views
Last post January 28, 2023, 0958 UTC
by Ray Lalleu
1 Replies
322 Views
Last post July 16, 2023, 1136 UTC
by europirate

 

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