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
2 Replies
343 Views
Last post June 21, 2024, 2148 UTC
by Fisherman
0 Replies
506 Views
Last post September 21, 2020, 1513 UTC
by iw2nzr
0 Replies
462 Views
Last post September 26, 2020, 2112 UTC
by iw2nzr
0 Replies
270 Views
Last post February 24, 2024, 1307 UTC
by Irish Paul
2 Replies
328 Views
Last post May 07, 2023, 1110 UTC
by Bricklayer
3 Replies
1095 Views
Last post March 07, 2018, 0101 UTC
by slowtrain
3 Replies
640 Views
Last post April 05, 2021, 1155 UTC
by Bali_Frank
2 Replies
652 Views
Last post March 20, 2021, 1303 UTC
by Ethernut
0 Replies
481 Views
Last post April 05, 2021, 1131 UTC
by Intruder
0 Replies
527 Views
Last post March 21, 2021, 1246 UTC
by Intruder
0 Replies
227 Views
Last post February 11, 2023, 1118 UTC
by Intruder
0 Replies
217 Views
Last post March 14, 2023, 1650 UTC
by Intruder
4 Replies
456 Views
Last post February 12, 2023, 1202 UTC
by Radio Parade
5 Replies
533 Views
Last post February 13, 2023, 1928 UTC
by Ray Lalleu
3 Replies
621 Views
Last post January 23, 2022, 1442 UTC
by Magnitic
1 Replies
321 Views
Last post December 31, 2023, 1642 UTC
by Ray Lalleu
2 Replies
352 Views
Last post March 17, 2024, 0901 UTC
by Ray Lalleu
0 Replies
190 Views
Last post May 17, 2024, 1617 UTC
by Intruder
1 Replies
432 Views
Last post August 01, 2022, 2131 UTC
by Ray Lalleu
0 Replies
282 Views
Last post March 04, 2023, 1122 UTC
by Intruder

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns