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
331 Views
Last post October 10, 2020, 1641 UTC
by Ray Lalleu
0 Replies
472 Views
Last post October 05, 2018, 1742 UTC
by Ray Lalleu
2 Replies
504 Views
Last post December 19, 2021, 0026 UTC
by Ka6swl
1 Replies
440 Views
Last post April 10, 2020, 1945 UTC
by kris
1 Replies
578 Views
Last post February 26, 2019, 2330 UTC
by PirateSWL
1 Replies
361 Views
Last post March 07, 2024, 2115 UTC
by kris
1 Replies
270 Views
Last post April 28, 2023, 1900 UTC
by kris
0 Replies
380 Views
Last post March 26, 2022, 1006 UTC
by Ray Lalleu
1 Replies
378 Views
Last post May 23, 2021, 1332 UTC
by Bali_Frank
0 Replies
373 Views
Last post July 05, 2020, 0931 UTC
by Ray Lalleu
0 Replies
399 Views
Last post August 28, 2019, 1626 UTC
by Ray Lalleu
0 Replies
622 Views
Last post April 26, 2018, 2008 UTC
by Ray Lalleu
0 Replies
320 Views
Last post June 08, 2025, 2151 UTC
by Ray Lalleu
1 Replies
275 Views
Last post August 28, 2023, 1944 UTC
by kris
1 Replies
449 Views
Last post September 12, 2021, 0929 UTC
by Bali_Frank
0 Replies
383 Views
Last post December 26, 2019, 0918 UTC
by Ray Lalleu
0 Replies
199 Views
Last post December 30, 2022, 0928 UTC
by Ray Lalleu
0 Replies
386 Views
Last post February 14, 2021, 0904 UTC
by Ray Lalleu
0 Replies
445 Views
Last post April 22, 2019, 1845 UTC
by Ray Lalleu
0 Replies
404 Views
Last post April 30, 2022, 1851 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