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
587 Views
Last post June 02, 2018, 1903 UTC
by Ray Lalleu
1 Replies
204 Views
Last post June 29, 2025, 1925 UTC
by RadioLongWire
0 Replies
398 Views
Last post October 02, 2021, 1659 UTC
by Ray Lalleu
0 Replies
355 Views
Last post January 25, 2020, 0832 UTC
by Ray Lalleu
0 Replies
384 Views
Last post March 07, 2021, 1114 UTC
by Ray Lalleu
0 Replies
510 Views
Last post April 25, 2020, 1840 UTC
by Ray Lalleu
2 Replies
572 Views
Last post May 13, 2019, 2050 UTC
by The Ether Hacker
2 Replies
435 Views
Last post April 03, 2025, 0832 UTC
by Benoit LEVEQUE
0 Replies
248 Views
Last post May 17, 2024, 2021 UTC
by Ray Lalleu
1 Replies
306 Views
Last post May 24, 2023, 1629 UTC
by Pigmeat
1 Replies
427 Views
Last post June 13, 2021, 1949 UTC
by Bali_Frank
0 Replies
367 Views
Last post September 10, 2020, 1822 UTC
by Ray Lalleu
1 Replies
518 Views
Last post September 24, 2019, 1922 UTC
by kris
0 Replies
453 Views
Last post August 15, 2018, 1925 UTC
by Ray Lalleu
0 Replies
120 Views
Last post August 17, 2025, 1301 UTC
by Ray Lalleu
0 Replies
284 Views
Last post September 19, 2024, 1931 UTC
by Ray Lalleu
2 Replies
525 Views
Last post November 05, 2023, 0138 UTC
by ChrisLobdell
3 Replies
517 Views
Last post September 15, 2022, 1723 UTC
by kris
1 Replies
386 Views
Last post December 06, 2020, 1119 UTC
by FOX
2 Replies
819 Views
Last post December 28, 2018, 2336 UTC
by DimBulb

 

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