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
3 Replies
310 Views
Last post July 23, 2023, 2313 UTC
by kris
0 Replies
182 Views
Last post May 25, 2025, 1112 UTC
by europirate
1 Replies
257 Views
Last post July 06, 2023, 2138 UTC
by Ray Lalleu
2 Replies
458 Views
Last post December 27, 2021, 1346 UTC
by TRI International
1 Replies
232 Views
Last post November 02, 2024, 1446 UTC
by Ray Lalleu
2 Replies
238 Views
Last post October 01, 2023, 1302 UTC
by Ethernut
2 Replies
319 Views
Last post March 12, 2023, 1103 UTC
by Irish Paul
2 Replies
345 Views
Last post October 30, 2022, 1224 UTC
by Bricklayer
4 Replies
449 Views
Last post May 05, 2024, 1818 UTC
by DBullock
1 Replies
226 Views
Last post May 16, 2025, 2119 UTC
by Ray Lalleu
0 Replies
453 Views
Last post May 01, 2022, 1048 UTC
by europirate
3 Replies
400 Views
Last post March 15, 2025, 1201 UTC
by Benoit LEVEQUE
1 Replies
242 Views
Last post May 05, 2025, 1329 UTC
by Ray Lalleu
1 Replies
313 Views
Last post December 26, 2023, 1403 UTC
by Misti-Radio
1 Replies
284 Views
Last post December 16, 2022, 1055 UTC
by Ray Lalleu
2 Replies
527 Views
Last post March 27, 2022, 1154 UTC
by Ray Lalleu
0 Replies
120 Views
Last post March 16, 2025, 1130 UTC
by europirate
1 Replies
259 Views
Last post September 15, 2024, 1300 UTC
by Ray Lalleu
0 Replies
159 Views
Last post December 18, 2024, 1436 UTC
by europirate
2 Replies
317 Views
Last post July 27, 2024, 1718 UTC
by kris

 

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