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.

Pages: 1 [2] 3 4 5 6 7
Subject / Started by Last post
4 Replies
5784 Views 		Last post August 07, 2017, 0857 UTC
by l0ngwire
0 Replies
2153 Views 		Last post July 11, 2020, 1059 UTC
by ulx2
0 Replies
2949 Views 		Last post January 28, 2022, 0321 UTC
by l0ngwire
0 Replies
1431 Views 		Last post November 06, 2022, 1648 UTC
by ✠ Blue Max
3 Replies
2629 Views 		Last post July 29, 2021, 1908 UTC
by ~SIGINT~
7 Replies
5706 Views 		Last post August 17, 2018, 1214 UTC
by ulx2
11 Replies
5192 Views 		Last post April 07, 2021, 0519 UTC
by Matt_B
1 Replies
1583 Views 		Last post October 27, 2022, 1423 UTC
by Shortwave_Listener
2 Replies
2408 Views 		Last post January 09, 2022, 0204 UTC
by ~SIGINT~
3 Replies
4674 Views 		Last post April 28, 2019, 1914 UTC
by Josh
4 Replies
3533 Views 		Last post August 07, 2018, 1738 UTC
by Josh
1 Replies
4458 Views 		Last post April 16, 2024, 1201 UTC
by ted
0 Replies
2124 Views 		Last post June 21, 2022, 0829 UTC
by Matt_B
0 Replies
2391 Views 		Last post May 02, 2024, 0938 UTC
by TRI International
7 Replies
3590 Views 		Last post February 20, 2020, 2038 UTC
by Magnumfan
1 Replies
2637 Views 		Last post November 19, 2017, 0801 UTC
by Looking-Glass
1 Replies
2798 Views 		Last post July 04, 2018, 1446 UTC
by Traveling Wave
2 Replies
3376 Views 		Last post November 19, 2017, 0803 UTC
by Looking-Glass
1 Replies
2279 Views 		Last post June 03, 2022, 0509 UTC
by Shortwave_Listener
1 Replies
3352 Views 		Last post November 19, 2024, 0449 UTC
by autovon
Pages: 1 [2] 3 4 5 6 7

 

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