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
469 Views
Last post October 02, 2020, 2155 UTC
by Ray Lalleu
0 Replies
318 Views
Last post October 09, 2023, 1108 UTC
by kris
1 Replies
377 Views
Last post March 28, 2023, 1823 UTC
by Pigmeat
0 Replies
341 Views
Last post February 11, 2023, 1358 UTC
by kris
0 Replies
302 Views
Last post October 03, 2023, 1443 UTC
by kris
0 Replies
517 Views
Last post September 22, 2021, 1840 UTC
by Ray Lalleu
0 Replies
492 Views
Last post March 17, 2022, 1503 UTC
by kris
0 Replies
441 Views
Last post June 09, 2023, 2002 UTC
by ShortwaveRadio.de
1 Replies
324 Views
Last post May 18, 2025, 1025 UTC
by Ray Lalleu
12 Replies
4813 Views
Last post July 28, 2024, 0027 UTC
by Doc Roe
0 Replies
570 Views
Last post June 12, 2025, 0915 UTC
by TRI International
0 Replies
484 Views
Last post May 28, 2025, 0930 UTC
by TRI International
0 Replies
395 Views
Last post May 30, 2025, 0931 UTC
by TRI International
0 Replies
327 Views
Last post December 03, 2024, 0939 UTC
by TRI International
0 Replies
143 Views
Last post October 26, 2025, 0810 UTC
by TRI International
0 Replies
351 Views
Last post May 30, 2025, 1233 UTC
by Ray Lalleu
2 Replies
557 Views
Last post March 30, 2022, 0909 UTC
by kris
1 Replies
625 Views
Last post January 23, 2022, 1405 UTC
by Ray Lalleu
2 Replies
747 Views
Last post February 19, 2024, 0749 UTC
by davemartin
2 Replies
515 Views
Last post February 25, 2024, 1539 UTC
by Dxcan

 

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