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.

Pages: [1] 2 3 4 5 6 7 8 9 ... 14

Subject / Started by	Replies / Views	Last post
READ THIS BEFORE POSTING, what this board is, and getting the most out of it Started by Token	0 Replies 6712 Views	December 01, 2014, 1623 UTC by Token
Mystery signal question Started by jcwilshire « 1 2 3 4 5 »	67 Replies 71704 Views	November 27, 2018, 1340 UTC by ChrisSmolinski
All 1 PPS pip / pulse / tick logs here please Started by GC « 1 2 3 4 5 6 7 8 9 10 »	138 Replies 41311 Views	December 10, 2021, 1855 UTC by Josh
3 second ditter network 1605 UTC 24 Juil 2019 Started by ChrisSmolinski	1 Replies 31079 Views	July 24, 2019, 2151 UTC by ChrisSmolinski
8956khz Aug 4 02:37utc Started by Edgar Souse	7 Replies 30843 Views	September 27, 2019, 2110 UTC by Josh
UNID mode 16020 kHz approx. 0520 UTC 5 Aug 2019 Started by ulx2	0 Replies 16762 Views	August 07, 2019, 0551 UTC by ulx2
9024 kHz, DSB, oddity, 03 April, 2020, 0420 UTC Started by Token « 1 2 3 4 »	49 Replies 9419 Views	May 04, 2020, 1326 UTC by Token
Grow Light QRN or Something Else??!! Started by vhavrilko	5 Replies 8492 Views	May 11, 2016, 0504 UTC by Pigmeat
UNID 5100-5140, 320z Strange data transmission Started by RadRoadrunner	12 Replies 8350 Views	August 03, 2016, 0342 UTC by MDK2
MOVED: Pulsing Buzzer on 7487 Started by Token	0 Replies 7561 Views	August 29, 2015, 1439 UTC by Token
New RADAR appearing all over lower HF bands recently Started by CaptnKliegle	9 Replies 7453 Views	December 11, 2018, 0805 UTC by n3ckf
UNID 6942 kHz 2350 UTC 1 Jun 2015 Started by ChrisSmolinski	6 Replies 6833 Views	June 04, 2015, 1719 UTC by RCCI
Unidentified signal on 4125, 6215, 8414, 12290, 12577 and 13500 kHz Started by SW Observer	2 Replies 6617 Views	June 30, 2015, 2137 UTC by Token
13358 kHz Signal 2100 UTC 10April 2017 Started by Traveling Wave	4 Replies 5665 Views	April 30, 2017, 1255 UTC by Token
QRM on 13560 kHz Started by skeezix	1 Replies 5630 Views	March 01, 2015, 0411 UTC by Token
2 PPS 0130 UTC 29 Nov 2018 Started by Boriken « 1 2 »	23 Replies 5626 Views	December 08, 2018, 0308 UTC by Exo
Wideband signal on 16 m and 11 m Started by IZ5PQT	2 Replies 5419 Views	March 23, 2015, 2012 UTC by IZ5PQT
Strange Behavior Near 20KHz Started by K5KNT	2 Replies 5399 Views	February 06, 2016, 2342 UTC by ChrisSmolinski
Mystery signal that slides up and down within frequency ranges Started by mr magoo	6 Replies 5377 Views	March 20, 2015, 2028 UTC by mr magoo
60 kHz wide signal centered on 6890 kHz 22:45UTC 1/7/2019 Started by CaptnKliegle	11 Replies 4885 Views	January 15, 2019, 1812 UTC by R4002