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
7.180 20k wide digital 3/10 4:20 Started by MrMomB	5 Replies 1994 Views	March 12, 2018, 2348 UTC by MrMomB
UNID 590, 710 kHz (And A Few Other Frequencies) @ 4/1/18 0020 UTC Started by Asuyuka	0 Replies 1043 Views	April 01, 2018, 2250 UTC by Asuyuka
Unidentified Signal, 11591 kHz, 19 March 2018 1817 UTC Started by K5KNT	1 Replies 1387 Views	April 02, 2018, 1358 UTC by Token
OHR (Over the Horizon Radar) on 160M? Started by CaptnKliegle	2 Replies 1611 Views	April 02, 2018, 1416 UTC by Token
PIP 6820 kHz 0045 UTC 6 April 2018 Started by Traveling Wave	6 Replies 2061 Views	April 08, 2018, 1702 UTC by Token
How does one Identify a Mystery Signal? Started by K5KNT	7 Replies 2435 Views	April 09, 2018, 1701 UTC by Token
UNID PIPS 2331 UTC 18 April 2018 Started by Traveling Wave	0 Replies 1210 Views	April 18, 2018, 2358 UTC by Traveling Wave
PIPs 2018-04-19 22:45 UTC Started by GC	5 Replies 1672 Views	April 20, 2018, 2353 UTC by GC
UNID PIP 6420 & 6520 kHz 0110 UTC 1 May 2018 Started by Traveling Wave	2 Replies 1242 Views	May 02, 2018, 0130 UTC by Traveling Wave
MOVED: UNID 9059.85 USB Started by Token	0 Replies 1129 Views	May 02, 2018, 1207 UTC by Token
PIPs / Ditter active on 6720, 6820, and 6920 kHz Started by GC	7 Replies 1937 Views	May 03, 2018, 0207 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
Something interesting on HF maybe be related to our mystery 1 PPS UNID time tick Started by GC	5 Replies 2307 Views	June 10, 2018, 0049 UTC by CaptnKliegle
UNID Digital signal around 6030usb 2230 UTC June 15 Started by TheFlaminFire	3 Replies 1362 Views	June 16, 2018, 1635 UTC by Josh
MOVED: 11015 USB Started by Token	0 Replies 1084 Views	June 21, 2018, 1601 UTC by Token
Merging all 1 PPS pip / pulse / tick logs Started by Token	1 Replies 1273 Views	June 23, 2018, 1539 UTC by GC
UNID HFDL Like Signals 5-9 MHZ - Some with CW Started by ultravista	10 Replies 2548 Views	June 27, 2018, 2109 UTC by Josh
MOVED: 6666.66 KHZ UNID CW Started by Token	0 Replies 1171 Views	July 02, 2018, 0022 UTC by Token
10790 wideband data? July 2/3 2018 Started by PresentedIn4D	0 Replies 1201 Views	July 03, 2018, 0547 UTC by PresentedIn4D
UNID 12185 kHz 25kHz wideband transmission Started by GC	3 Replies 2144 Views	July 15, 2018, 1332 UTC by Token