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
0 Replies
410 Views
Last post August 12, 2022, 2053 UTC
by kris
3 Replies
526 Views
Last post September 18, 2022, 1759 UTC
by kris
2 Replies
382 Views
Last post March 01, 2025, 1321 UTC
by Alex BLR
2 Replies
375 Views
Last post March 14, 2025, 1914 UTC
by Alex BLR
2 Replies
197 Views
Last post October 21, 2023, 1805 UTC
by Ray Lalleu
2 Replies
549 Views
Last post January 17, 2024, 1549 UTC
by kris
1 Replies
283 Views
Last post January 29, 2024, 1559 UTC
by Ray Lalleu
1 Replies
331 Views
Last post March 02, 2024, 0836 UTC
by FOX
0 Replies
255 Views
Last post February 28, 2024, 1720 UTC
by Ray Lalleu
4 Replies
570 Views
Last post March 14, 2025, 2013 UTC
by Synclair
1 Replies
279 Views
Last post March 14, 2025, 2053 UTC
by Ronald_Mullis
1 Replies
279 Views
Last post March 01, 2025, 1351 UTC
by Alex BLR
1 Replies
1482 Views
Last post September 07, 2023, 1855 UTC
by kris
1 Replies
351 Views
Last post October 11, 2023, 1824 UTC
by Ray Lalleu
2 Replies
418 Views
Last post September 12, 2023, 1835 UTC
by Jari Finland
0 Replies
209 Views
Last post August 15, 2023, 1655 UTC
by Ray Lalleu
0 Replies
191 Views
Last post September 10, 2023, 0653 UTC
by Ray Lalleu
3 Replies
471 Views
Last post September 22, 2023, 1839 UTC
by kris
3 Replies
484 Views
Last post September 11, 2023, 1833 UTC
by Jari Finland
2 Replies
359 Views
Last post January 10, 2024, 1621 UTC
by Ray Lalleu

 

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