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
396 Views
Last post November 01, 2018, 2240 UTC
by Ray Lalleu
1 Replies
284 Views
Last post November 12, 2024, 1853 UTC
by prldx
0 Replies
482 Views
Last post January 03, 2024, 1756 UTC
by Ray Lalleu
0 Replies
336 Views
Last post January 09, 2022, 1000 UTC
by Ray Lalleu
2 Replies
522 Views
Last post January 31, 2021, 1408 UTC
by TRI International
0 Replies
385 Views
Last post April 05, 2019, 2039 UTC
by Ray Lalleu
1 Replies
224 Views
Last post May 28, 2023, 2039 UTC
by Ray Lalleu
0 Replies
387 Views
Last post April 14, 2022, 1949 UTC
by Ray Lalleu
3 Replies
542 Views
Last post June 20, 2021, 2238 UTC
by kris
1 Replies
405 Views
Last post August 01, 2020, 1221 UTC
by Normz
0 Replies
550 Views
Last post June 13, 2018, 1731 UTC
by Ray Lalleu
0 Replies
247 Views
Last post July 07, 2025, 1657 UTC
by Ray Lalleu
0 Replies
350 Views
Last post January 30, 2020, 0753 UTC
by Ray Lalleu
1 Replies
455 Views
Last post March 12, 2021, 2104 UTC
by kris
1 Replies
402 Views
Last post May 25, 2022, 1840 UTC
by Panda_NL
0 Replies
487 Views
Last post August 20, 2018, 1845 UTC
by Ray Lalleu
1 Replies
354 Views
Last post November 10, 2023, 1737 UTC
by europirate
0 Replies
292 Views
Last post September 21, 2022, 2343 UTC
by Ray Lalleu
0 Replies
429 Views
Last post November 18, 2021, 1728 UTC
by Ray Lalleu
0 Replies
282 Views
Last post December 11, 2020, 1503 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