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
147 Views
Last post November 09, 2024, 1954 UTC
by Ray Lalleu
0 Replies
381 Views
Last post October 28, 2018, 1057 UTC
by Ray Lalleu
0 Replies
396 Views
Last post December 01, 2019, 0757 UTC
by Ray Lalleu
0 Replies
330 Views
Last post October 31, 2020, 1844 UTC
by Ray Lalleu
1 Replies
402 Views
Last post August 21, 2021, 1713 UTC
by Bali_Frank
0 Replies
273 Views
Last post July 18, 2022, 1850 UTC
by Ray Lalleu
1 Replies
405 Views
Last post May 05, 2021, 1928 UTC
by kris
0 Replies
178 Views
Last post April 07, 2023, 1326 UTC
by Ray Lalleu
0 Replies
131 Views
Last post February 22, 2025, 0901 UTC
by Ray Lalleu
1 Replies
359 Views
Last post November 19, 2023, 1625 UTC
by kris
3 Replies
398 Views
Last post June 07, 2024, 1934 UTC
by FOX
0 Replies
147 Views
Last post May 23, 2025, 1815 UTC
by Ray Lalleu
0 Replies
396 Views
Last post June 03, 2019, 1806 UTC
by Ray Lalleu
0 Replies
250 Views
Last post June 14, 2020, 0829 UTC
by Ray Lalleu
0 Replies
376 Views
Last post March 06, 2022, 1111 UTC
by Ray Lalleu
0 Replies
205 Views
Last post February 18, 2023, 1956 UTC
by Ray Lalleu
0 Replies
374 Views
Last post January 26, 2019, 0836 UTC
by Ray Lalleu
0 Replies
446 Views
Last post February 14, 2020, 1256 UTC
by Ray Lalleu
0 Replies
260 Views
Last post December 21, 2020, 1119 UTC
by Ray Lalleu
0 Replies
252 Views
Last post October 08, 2022, 0913 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 Garden Flag
by MitchellTimeDesigns