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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.

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Subject / Started by	Replies / Views	Last post
Unid 7200 LSB 2254 UTC 16 October 2016 Started by Ct Yankee	8 Replies 4630 Views	October 17, 2016, 0008 UTC by refmo
Unid Tones Drumming? 6925 USB was 6850 USB 0031 UTC 26 NOV 2024 Started by Ct Yankee	1 Replies 3022 Views	November 26, 2024, 1159 UTC by ChrisSmolinski
UNID 8438 AM 2215 UTC 21 MAY 2016 Started by Ct Yankee	0 Replies 2090 Views	May 21, 2016, 2239 UTC by Ct Yankee
Unid 7080 AM 0015 UTC 23 July 2016 Started by Ct Yankee	1 Replies 2642 Views	July 23, 2016, 0231 UTC by Davep
UNID 6942.4 AM 2150 UTC 26 Oct 2015 Started by curious george	6 Replies 3993 Views	October 26, 2015, 2303 UTC by ByteBORG
Pips 8912 KHz 1736 UTC 03 OCT 2015 Started by Dag	0 Replies 4258 Views	October 03, 2015, 1738 UTC by Dag
7000.0 kHz carrier Started by Dag	11 Replies 17234 Views	June 21, 2026, 1139 UTC by QSLCollector
Massive OTH? 30 m (audio + spectrogram available) Started by Dag	2 Replies 3214 Views	April 22, 2014, 0259 UTC by Token
29.7 to 30 mHz signals: who uses this band? Started by Dag	2 Replies 5187 Views	November 21, 2014, 1926 UTC by Token
de H7DL CW 14108.37 kHz 7/6/2014 Started by Dag	4 Replies 4242 Views	July 07, 2014, 0314 UTC by BoomboxDX
Where is MTI beacon 13556.91 kHz? Started by Dag	1 Replies 4033 Views	April 05, 2015, 1901 UTC by Dag
de 8ZMC 14108 kHz @ 0345z - not a ham. Started by Dag	1 Replies 3307 Views	July 15, 2014, 0622 UTC by BoomboxDX
What is this signal? Started by Dag	2 Replies 3307 Views	July 19, 2014, 1759 UTC by Token
Ditter 13562.94 kHz 4/4/2014 Started by Dag	0 Replies 2240 Views	April 04, 2014, 2211 UTC by Dag
Irregular dits 6822.0 kHz // 7001.0 kHz 2345z July 27 2014 Started by Dag	1 Replies 2838 Views	July 28, 2014, 2343 UTC by rdla4
13555.0 "EH" FSK and slow sawtooth wave Started by Dag	0 Replies 2939 Views	April 04, 2014, 2218 UTC by Dag
13195 kHz April 05 2014 1000z wavering signal Started by Dag	0 Replies 2625 Views	April 05, 2014, 1009 UTC by Dag
On/Off signal 7041.7, 7048.5, 7060 7067 kHz USB Started by Dag	2 Replies 13082 Views	March 21, 2026, 0543 UTC by BoomboxDX
Pips 10237.8 KHz, 26 SEP 2015 Started by Dag	0 Replies 2926 Views	September 26, 2015, 1102 UTC by Dag
Three carriers: 6993.015 KHz +/- 10 Hz Dec 13 2014z i Started by Dag	10 Replies 9767 Views	May 06, 2018, 1600 UTC by Josh

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