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
2 Replies
473 Views
Last post August 31, 2020, 2208 UTC
by kris
2 Replies
394 Views
Last post January 05, 2023, 1640 UTC
by Ethernut
2 Replies
521 Views
Last post August 31, 2020, 2259 UTC
by CoolAM Radio
2 Replies
381 Views
Last post January 08, 2023, 1313 UTC
by Bali_Frank
2 Replies
587 Views
Last post September 01, 2020, 1527 UTC
by Bali_Frank
2 Replies
369 Views
Last post January 07, 2023, 1527 UTC
by Bali_Frank
2 Replies
345 Views
Last post December 30, 2022, 1019 UTC
by Ray Lalleu
2 Replies
399 Views
Last post January 15, 2023, 1132 UTC
by Robertas
2 Replies
779 Views
Last post May 31, 2019, 2019 UTC
by dxace1
2 Replies
476 Views
Last post January 15, 2023, 1842 UTC
by Dxcan
2 Replies
390 Views
Last post January 15, 2023, 1042 UTC
by Bali_Frank
2 Replies
372 Views
Last post January 13, 2023, 0926 UTC
by Ray Lalleu
2 Replies
423 Views
Last post January 21, 2023, 2122 UTC
by Ray Lalleu
2 Replies
482 Views
Last post January 15, 2023, 1745 UTC
by Shortwave_Listener
2 Replies
344 Views
Last post January 21, 2023, 1253 UTC
by Ray Lalleu
2 Replies
502 Views
Last post September 04, 2020, 1921 UTC
by kris
2 Replies
549 Views
Last post September 04, 2020, 2112 UTC
by Binatone
2 Replies
422 Views
Last post January 21, 2023, 0938 UTC
by Ray Lalleu
2 Replies
545 Views
Last post June 02, 2019, 1546 UTC
by Ray Lalleu
2 Replies
308 Views
Last post January 22, 2023, 1627 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