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
5 Replies
4736 Views
Last post April 20, 2018, 2353 UTC
by GC
4 Replies
5986 Views
Last post August 05, 2021, 0254 UTC
by ~SIGINT~
2 Replies
9894 Views
Last post February 16, 2026, 1427 UTC
by Token
0 Replies
3646 Views
Last post December 13, 2024, 0142 UTC
by Gr0undPlan3
4 Replies
7113 Views
Last post December 13, 2024, 0201 UTC
by Gr0undPlan3
1 Replies
4695 Views
Last post June 26, 2020, 0104 UTC
by Token
8 Replies
23200 Views
Last post July 20, 2026, 0010 UTC
by BoomboxDX
3 Replies
19017 Views
Last post March 08, 2026, 2303 UTC
by HarryHydro
0 Replies
4053 Views
Last post January 13, 2016, 1012 UTC
by housecat
Alternating tones 13985

Started by housecat

1 Replies
4514 Views
Last post March 18, 2017, 0419 UTC
by Token
2 Replies
6473 Views
Last post March 06, 2026, 1800 UTC
by I-18667-BI
27425hz

Started by I-18667-BI

1 Replies
12788 Views
Last post April 15, 2026, 1047 UTC
by BoomboxDX
0 Replies
4497 Views
Last post June 08, 2019, 1806 UTC
by IQ_imbalance
0 Replies
3085 Views
Last post November 16, 2019, 1614 UTC
by IQ_imbalance
6 Replies
6364 Views
Last post November 24, 2021, 2119 UTC
by Traveling Wave
2 Replies
3976 Views
Last post December 19, 2021, 2239 UTC
by ~SIGINT~
8 Replies
6825 Views
Last post January 11, 2019, 1911 UTC
by Josh
7 Replies
7113 Views
Last post January 12, 2019, 2038 UTC
by Josh
2 Replies
9090 Views
Last post March 23, 2015, 2012 UTC
by IZ5PQT
0 Replies
3283 Views
Last post June 25, 2020, 1924 UTC
by J.Bill

 

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

Locked Topic
Sticky Topic
Poll