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
87 Replies
182947 Views
Last post January 12, 2026, 2344 UTC
by Teotwaki
2 Replies
67442 Views
Last post March 25, 2021, 0343 UTC
by Teotwaki
“A” beacon

Started by NJQA

0 Replies
2405 Views
Last post January 28, 2019, 0827 UTC
by NJQA
5 Replies
4834 Views
Last post May 04, 2020, 2230 UTC
by MojaveBeaconeer
3 Replies
3802 Views
Last post May 06, 2020, 0118 UTC
by Dave Richards
0 Replies
2592 Views
Last post May 05, 2015, 2357 UTC
by tesla
ZT

Started by tesla

11 Replies
7262 Views
Last post May 22, 2017, 1147 UTC
by tesla
1 Replies
2364 Views
Last post November 24, 2017, 2331 UTC
by tesla
5 Replies
3509 Views
Last post December 24, 2017, 2037 UTC
by tesla
ZN 4070.38

Started by tesla « 1 2 »

18 Replies
8637 Views
Last post April 06, 2017, 1137 UTC
by tesla
Zebra Beacons

Started by tesla « 1 2 3 4 »

59 Replies
29946 Views
Last post August 26, 2018, 0350 UTC
by Exo
3 Replies
4427 Views
Last post February 22, 2022, 1559 UTC
by Erik Mattson
1 Replies
2795 Views
Last post August 16, 2016, 1205 UTC
by tesla
9 Replies
5461 Views
Last post December 10, 2016, 1520 UTC
by tesla
8 Replies
4959 Views
Last post October 28, 2016, 1519 UTC
by ChrisSmolinski
0 Replies
2340 Views
Last post January 05, 2017, 1341 UTC
by ChrisSmolinski
6 Replies
5103 Views
Last post February 28, 2020, 0641 UTC
by smith
Y beacon 4096.6

Started by tesla

4 Replies
7482 Views
Last post May 12, 2018, 1200 UTC
by tesla
Y 8193 khz

Started by tesla

12 Replies
14833 Views
Last post May 23, 2018, 1344 UTC
by tesla
2 Replies
8048 Views
Last post December 19, 2025, 0149 UTC
by Teotwaki

 

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

Locked Topic
Sticky Topic
Poll