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
302 Views
Last post March 06, 2024, 1836 UTC
by Mick Boyle
1 Replies
233 Views
Last post March 02, 2024, 1533 UTC
by Ray Lalleu
3 Replies
234 Views
Last post April 05, 2025, 1905 UTC
by DBullock
0 Replies
395 Views
Last post October 25, 2021, 1424 UTC
by Michman
1 Replies
398 Views
Last post October 17, 2021, 0923 UTC
by ulx2
0 Replies
438 Views
Last post December 26, 2021, 0658 UTC
by Michman
10 Replies
2286 Views
Last post October 18, 2021, 0040 UTC
by ulx2
2 Replies
413 Views
Last post December 27, 2022, 1531 UTC
by Ray Lalleu
1 Replies
337 Views
Last post January 26, 2024, 1720 UTC
by Ray Lalleu
1 Replies
233 Views
Last post October 25, 2024, 2037 UTC
by Fisherman
1 Replies
237 Views
Last post November 22, 2024, 2247 UTC
by kris
1 Replies
435 Views
Last post December 25, 2022, 1530 UTC
by Ray Lalleu
3 Replies
306 Views
Last post December 07, 2024, 1507 UTC
by Grey Fox
5 Replies
302 Views
Last post February 08, 2025, 1820 UTC
by Mad Radio DXer UK
6 Replies
528 Views
Last post January 01, 2025, 0113 UTC
by kris
4 Replies
494 Views
Last post November 15, 2024, 2141 UTC
by Fisherman
1 Replies
278 Views
Last post October 20, 2024, 1851 UTC
by Ray Lalleu
1 Replies
356 Views
Last post October 15, 2024, 1927 UTC
by Fisherman
0 Replies
199 Views
Last post October 20, 2024, 1735 UTC
by MI0YCK
0 Replies
132 Views
Last post November 22, 2024, 1602 UTC
by MI0YCK

 

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