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 permissable in your locale.

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Subject / Started by	Replies / Views	Last post
MOVED: UNID 6577 USB 2059 UTC Mar 28, 2016 Started by Token	0 Replies 1422 Views	March 28, 2016, 2134 UTC by Token
Possible Ionosonde? Started by markolinux	3 Replies 1432 Views	March 05, 2021, 1619 UTC by Token
MOVED: Mysterious Korean Number Station 'AengMuSae (In English : The Parrot)' UNID. Started by Token	0 Replies 1438 Views	November 22, 2015, 1524 UTC by Token
UNID 5250 khz 15 Sept 2017 0318 UTC Started by Matt_B	0 Replies 1441 Views	September 15, 2017, 0220 UTC by Matt_B
Open Carrier 6715 kHz 1939 UTC 24 Jul 2018 Started by ChrisSmolinski	4 Replies 1454 Views	July 25, 2018, 1831 UTC by Josh
MOVED: What is this Stanag around 4810 kHz from? Started by Token	0 Replies 1471 Views	September 21, 2019, 1442 UTC by Token
Russian Mystery Military Station - The Alarm Started by ~SIGINT~	0 Replies 1477 Views	December 08, 2021, 0022 UTC by ~SIGINT~
UNID 7435 kHz AM 24 Jul 2017 0245 UTC Started by ulx2	0 Replies 1487 Views	August 11, 2017, 1705 UTC by ulx2
Beacon network/Sonde logging 6/17/20 1644 to 1730 UT Started by n0xu	5 Replies 1505 Views	July 23, 2020, 1650 UTC by n0xu
6775 Serdolik or VARA Started by UtilitySeattle	7 Replies 1507 Views	May 08, 2022, 1939 UTC by MegatonRange
MOVED: 4.887MHz Chinese "chanters" weird! Started by Token	0 Replies 1510 Views	December 14, 2016, 0321 UTC by Token
MOVED: 8MHz CW, mystery signals... Started by Token	0 Replies 1513 Views	April 30, 2017, 1254 UTC by Token
Pips Network, multiple frequencies, 0905 to 1020 UTC, 29 January, 2020 Started by Token	3 Replies 1531 Views	April 07, 2020, 0252 UTC by Token
unid signal jumping between 19500khz and 20500khz Started by housecat	0 Replies 1535 Views	January 13, 2016, 1012 UTC by housecat
MOVED: 6398,50 CW Started by Token	0 Replies 1568 Views	November 03, 2017, 2304 UTC by Token
Altrenating buzz, knocks, etc Started by Dr. Dickie	4 Replies 1570 Views	February 27, 2020, 2328 UTC by Dr. Dickie
Want to identify this 11387 Started by gcopter1	4 Replies 1600 Views	August 05, 2021, 0254 UTC by ~SIGINT~
OHR (Over the Horizon Radar) on 160M? Started by CaptnKliegle	2 Replies 1611 Views	April 02, 2018, 1416 UTC by Token
UNID Mode 6443.3 kHz 2045 UTC 2 May 2018 Started by ulx2	3 Replies 1627 Views	May 21, 2018, 1654 UTC by Josh
unkn 25057 khz AM 1600 utc 03/10/2016 Started by ka1iic	0 Replies 1649 Views	March 10, 2016, 1658 UTC by ka1iic