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Signals Received Worldwide

 

Signal List

  • Click on any station ID for details, GSQ for location map, Heard In list for reception map and Logs value to see all logs for the station.
  • To list different types of signals, check the boxes shown for 'Types' below. Inactive stations are normally shown at the end of the report.
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Reporting NDBs

  • Please use the following list as an additional data source - the ship listings from around 404KHz may prove particularly useful:
    [ William Hepburn's LF List ]
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RNA only 3174
REU only 8456
RNA + REU 2306
RWW 16513

RWW Listeners
Locations 1156
Loggings 2122337
First log 8 Jan 1977
Last log 16 Jun 2021

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KHz A-Z ID LSB USB Sec Fmt 'Name' and Location S/P ITU GSQ PWR Notes Heard In (Daytime reception is bold) Listeners Logs First Logged Last Logged
400 1L 398 401 8.1   Fort MacKay / Firebag AB CAN DO47mg     FIN AB AZ BC CA CO IL MN MT NC NE NV OH OR TN TX UT WA 31 108 2008-10-09 2021-01-05
400 4JRP 404 400 8.4   Istiglal   XOE LM59eu   LM59eu 9FEB2018 ENG RUS SWE 5 11 2017-03-10 2021-01-24
400 A8PNT         UNID   XOS       BRA 1 1 2019-04-09 2019-04-09
400 AG 399 408 10.42 ID+8" gap Agen / La Garenne   FRA JN04id     BAL BEL CZE DEU DNK ENG ESP FIN FRA HNG HOL HRV IRL ITA LVA NIR NOR POL POR RUS SAR SCT SUI SVK SVN SWE WLS NS 129 438 1997-06-09 2021-05-29
400 AHQ 1020 1037 6.17   Wahoo NE USA EN11qf     FIN AB AZ BC CA CO FL GA IA ID IL IN KS MA MI MN MO MT NC NE NH NM NS NV NY OH OK ON OR PA QC SD TN TX UT VA WA WI 92 473 1999-11-24 2021-05-31
400 AI 1060 1020 6.1   'Addmo' Ardmore OK USA EM14mf 25   AZ BC CA CO IL KS MI MO MS NC NE NH NM OH OK OR PA TN TX UT WA WI 54 228 1996-12-28 2021-05-30
400 BC 1033 1033 6.20 ID+2" gap Bekescsaba   HNG KN06nq     CZE DEU DNK ENG FIN FRA GRC HNG HOL HRV ITA LVA NOR POL RUS SCT SRB SVK SVN SWE 70 166 1994-12-03 2021-02-20
400 BRG 1030 1031 8.34 ID+4" gap Bahregan   IRN LL59du     EGY CYP DEU ENG ITA POL RUS SWE 11 11 2013-12-16 2021-01-21
400 BRO 1039 1020 8.35   UNID   XUU     UNID - RX 401.028 ENG FIN HOL ITA SUI 6 10 2005-06-30 2020-11-25
400 BRZ 1026 1035 8.36 ID+4" gap Rijeka / Krk / Breza   HRV JN75ek 2000   AUT BAL BEL CZE DEU DNK ENG ESP FIN FRA GRC HNG HOL HRV ITA LVA NOR POL RUS SAR SCT SCY SRB SUI SVK SVN SWE NS 166 663 1996-12-02 2021-05-29
400 CAD 1052 2 6.60   Cacador   BRA GG43mf     BRA 3 5 2008-01-08 2018-08-17
400 CI 1045 1019 7.8   'Koloe' Sault Ste. Marie MI USA EN76rh 25   ENG FIN SCT AZ BC CA CO IA IL IN MA MD ME MI MN MO MT NB NC NE NH NJ NS NV NY OH ON OR PA QC SC TN TX UT VA WA WI 92 457 1997-03-17 2021-05-30
400 D 405 391 927 ID+2" gap Lipetsk   RUS KO92sr     DEU FIN GRC ITA LVA RUS SWE 8 13 2006-12-05 2020-12-06
400 EN 400 404 3.33   Orebro   SWE JO79mg     AUT BEL CZE DEU DNK ENG ESP FIN FRA GSY HNG HOL IRL ITA LVA NIR NOR POL RUS SAR SCT SHE SUI SVK SVN SWE 151 564 1993-01-07 2021-05-29
400 FN 1060 1024 6.01   'Colln' Fort Collins / Loveland CO USA DN70mi 25   FIN AB AZ BC CA CO FL ID IL IN KS MI MN MO MS MT NC NE NM NS NV OH ON OR PA SD TN TX UT VA WA WI 104 665 1989-10-15 2021-05-31
400 GJM 975 998 6.9   Guajara (RO)   BRA FH79if     FIN SCT SWE BRA AZ IL NC NS OH PA TX 16 94 2007-01-14 2021-05-29
400 I 1018 1022 15.25 IDx2 + 12" tone Lipetsk   RUS KO92sq     DEU FIN RUS SWE 5 13 2006-12-01 2019-12-19
400 JB 1013 1028 8.1   Jaybee   MLA OJ11ul 80   SNG THA FIN SWE NN SA TA WE 12 25 2004-02-03 2021-05-30
400 LKR 1020 1012 5.8   Lancaster SC USA EM94nr   Spur Heard at +2042 FL IL MA MI MO NC NH NS OH ON PA SC TN TX VA 26 105 1997-12-01 2021-05-29
400 MDP ~1008 ~1002 5.80   UNID   XUA       THA 1 1 2015-01-18 2015-01-18
400 MDY 402 597 5.833   'Midway' Gooneyville (Sand Island)   MDW AL18he   Henderson Field (Midway is actually more than one island.) 2012-10-06 Steve Ratzlaff reports almost no space between idents. And the cycle time is now 5.89 secs. Medium slow keying. 2016-06-28 Mike Tuggle reports a mis-keyed â€Yâ€: dahdididahdah NOTAM EXTENDED TO FEB 10, 2021 NZL AZ BC CA IL OR TX UT WA HI 22 652 2002-01-01 2021-04-24
400 MLQ         UNID   XUA       THA 1 1 2019-09-05 2019-09-05
400 MSW 1017 1016 10.08 ID+7" gap Munchen   DEU JN58wi 100   AUT BAL BEL CZE DEU DNK ENG ESP FIN FRA GRC HNG HOL HRV ITA LVA NOR POL RUS SAR SCT SUI SVK SVN SWE NS 118 344 1999-04-01 2021-04-16
400 NB     15.02 2 x ID Uelkal   RSE AP05im   Slow keying with 2 x ID HI 1 1 2021-04-05 2021-04-05
400 NHK 1057 1015 8.75   'Patuxent' Patuxent River MD USA FM18tg     SCT IL MA MD MI MO NB NC NH NJ NS NY OH ON PA QC SC TX VA 41 220 2003-09-17 2021-05-29
400 OG   1010 8.58   Isafjordhur / Ogur   ISL HP86pb     DEU ENG FIN HOL ISL NOR SCT SWE 18 23 1997-11-29 2021-04-05
400 OHY 1023 1001 8.2   'Coney' Cordele GA USA EM81bx 25   AL AZ CO FL GA IL IN MI MN MO MS NC NE NH NJ NS OH ON OR PA SC TN TX VA WI 51 208 1997-01-04 2021-04-02
400 OLM 996 998 7.2   Olmedo   EQA FJ00xd     CA FL IL MA NC NS OH PA TX 13 36 2010-02-01 2021-02-25
400 QQ 406 407 10.40 DAID Comox BC CAN CN79ms   Offset was 1020, now 400 (2004-07-30, Phil Atchley) DEU FIN HOL SCT SWE PAQ AB AZ BC CA CO FL GA IA ID IL IN KS MA MD MI MN MO MT NC NE NH NM NS NV NY OH ON OR PA QC TN TX UT VA WA WI YT HI 139 1156 1990-01-11 2021-05-29
400 R         UNID   XUE     UNID DEU ENG SWE 6 7 2009-10-17 2016-09-17
400 ROB 1051 1016 9.96   'Robinson' Waco TX USA EM11lm     AZ BC CA CO IL KS MI MO MS MT NC NE NV OH OR TN TX WI 41 175 1998-03-12 2021-02-22
400 TST 400 400 13.05   Munda International Airport   SLM QI81pq   This has been confirmed by Edgar Twining that it is MUD - Munda International Airport on New Georgia Island in the Solomon Group. Beacon is undergoing repairs as of 29/03/2021 and sending TST NW NZL QD SA TA 8 18 2018-05-25 2021-04-17
400 X       IDx2 Hangzhou / Xiaoshan   CHN PM00ef   Lat / Lon by M Oexner, Sounds like 'XX' CHN KOR TWN 5 7 2008-10-26 2016-12-28
400 XD         Hangzhou   CHN PM00bg     TWN 1 1 2016-08-22 2016-08-22
400 ZT 399 400 10.02 ID+8" gap Agip C97   LBY KL08wt     EGY CZE DEU ENG ESP FIN FRA GRC HNG HOL HRV ITA RUS SCT SCY SWE 34 83 2007-07-17 2021-05-29
400 7F 399 404 8.17   Collins Bay SK CAN DO88df   180104 CZWL COLLINS BAY. CYKC WEF 2018 JUL 06 2300 AMEND PUB: 7F NDB 400 DECOMMISSIONED BC CA CO IL OR TX 9 23 2002-11-08 2018-02-13
400 AB 1032       'Leehi' Allentown PA USA FN20fo     IL MA MD MI NC NJ NS ON PA VA 12 21 2004-11-18 2012-03-16
400 AFD 1052       WATFORD CITY ND USA DN87it     AB NE 2 2 1989-10-15 2008-09-27
400 B 1019 1025 7.60 ID+3" tone Valencia / Manises   ESP IM99sl   INACTIVE BAL CZE DEU ENG ESP FIN FRA HOL ITA POL POR RUS SAR SCT SVN SWE NB 48 102 1999-10-01 2020-04-06
400 CAX 1020 1030 6.9   Duque de Caxias (RJ)   BRA GG87hf 1000 Galeao Antonio Carlos Jobim Intl Apt BRA NL NS 12 36 1997-05-29 2015-05-02
400 CKN 1013 1030 7.15 AWOS-3 Crookston MN USA EN17qu 25 !CKN 05/010 CKN NAV NDB U/S 2005221903-PERM -- AWOS-3 FIN AB AZ BC CA CO IA IL MA MI MN MO MT NC NE NV NY OH ON OR QC TN TX UT WA WI 46 175 2001-12-12 2020-11-12
400 CLW 1016 1013 7.0 ID+3" gap Maersk Curlew FPSO   XOE JO06pr   INACTIVE DEU ENG HOL NOR 9 17 2009-10-26 2014-01-29
400 DC         UNID   XUA     UNID KOR 1 1 2008-10-26 2008-10-26
400 DIPC2 1004 1005 24.0   Friedrich Ernestine   XOE     INACTIVE ENG 1 1 2014-01-26 2014-01-26
400 ENS 997 953 7.29 3XID + Tone Ensenada (Baja California)   MEX DM11qt   A3186/19 NOTAMN Q) MMFR/QNBAS/IV/BO/AE/000/999/3147N11636W200 A) MMES B) 1906061613 C) 1912062359 E) NDB IDENT /ENS/ FREQ 400 KHZ U/S CREATED: 06 Jun 2019 16:32:00 SOURCE: MMMXYNYX /// Updated May 2, 2021 to INACTIVE AZ BC CA CO IL MT NV OR TX UT WA HI 33 409 1992-07-05 2018-04-29
400 EWP   1022 7.5   Newport AR USA EM45jp 25   AL AZ CO IL LA MI MN MS NE OH ON TX VA 15 29 1997-09-29 2008-09-27
400 FC         Svir   BLR KO34eu   INACTIVE DEU 2 2 1996-10-02 1999-01-02
400 FGX         Flemingsburg KY USA EM88dm 25 decommissioned - 2008-07 LOU 08/187 FGX NAV FLMNG NDB DECOMMISSIONED 1708170401-PERM OH 1 1 1995-11-17 1995-11-17
400 FO   1020 4.812   'Squir' Westhampton Beach NY USA FN30rv   Decom per NFDD 008-5 01/11/2019 FL GA IL MA MD ME MI NC NH NJ NL NS NY OH ON PA QC VA 32 130 1999-11-23 2019-06-22
400 G       DAID Charlottetown / Covehead PE CAN FN86ki   Now ZYG-400 IL NB NL NS NY ON SC 8 8 1995-11-27 2003-02-19
400 HHF 1010 1050     'Hemphill County' Canadian TX USA DM95tv 25 Rptd. 2004-12-13 by Jim Smith: 'HH' is sent as 8 continuous very fast dits. Possibly OTS as of 2005-11-04 - Now listed OTS indefinitely at AirNav.com... AZ BC CA CO IL MI MN NM OR TX 14 25 1999-10-14 2005-03-10
400 HU 1040 1040 8.0   'Lanee' Sacramento CA USA CM98eo   20091024 - Reported DCMSD by Don Tomkinson / Rpt OTS for a while (Don Tomkinson, 2006-10-07) AZ BC CA OR 11 63 1988-05-10 2005-06-25
400 IN 770 770 3.92   Inhambane   MOZ KG76qd     AFS 2 3 2006-04-16 2014-05-17
400 JSL 1021 1024     Kota Kinabalu   MLA OJ85av 100   MLA 1 1 2006-10-02 2006-10-02
400 KO 403 411 8.5   Utti   FIN KP30jv   INACTIVE CZE DEU DNK ENG fin FRA HNG HOL IRL ITA NOR RUS SVN SWE 64 201 1993-01-20 2008-09-22
400 KW         Knevichi   RSE PN63dl     JPN KOR 2 3 2008-03-10 2011-04-06
400 LKO         'Logan' Billings MT USA DN55ts 25   AB 1 3 1987-08-25 1990-12-25
400 LPC         Lompoc CA USA CM94sq   Was LPC-223 - now inactive CA 1 6 1996-10-09 1996-12-21
400 LUZ         Luziania   BRA GH63ar   INACTIVE - 2012-10-14 Michael Oexner reports that its been deleted -- BRA 3 3 2001-02-17 2010-09-04
400 MD ~0 ~1018 4.45   MADURAI   IND MJ99bu     THA 1 1 2015-01-16 2015-01-16
400 MDS 400 1014 6.2   'Wentworth' Madison SD USA EN14ka   2012-10-14 Michael Oexner reports that its been deleted -- +1050 Hz rptd -- 2012-09-19 George Sherman reports it is OTA AB AZ BC CA CO IL MI MN MO MT NC NE OH ON OR TX UT WA HI 40 127 1990-01-08 2012-07-27
400 MO 30   17.0 ID+13" tone Macon / Charnay   FRA JN26jh   INACTIVE CZE DEU DNK ENG ESP FRA GRC HOL ITA NOR SAR SVN SWE 43 141 1983-09-12 2008-10-13
400 MS 1027 1034 6.382   'Monah' Madison WI USA EN53hb     BC CO IA IL MA MI MN MO NC NS NY OH ON OR TN TX VA WI 29 100 1999-03-02 2015-04-24
400 NS 983 1058 9.91   Kerr Mc Gee / Chevron Ninian South Platform   XOE JP00rt   INACTIVE DEU ENG FIN HOL NOR SWE 10 11 2003-08-30 2011-11-16
400 NTD 373 374 8.24   Notodden   NOR JO49no   INACTIVE BEL CZE DEU DNK ENG FIN FRA GSY HOL IRL LVA NIR NOR POL RUS SCT SHE SVN SWE 95 268 1998-11-02 2014-12-25
400 NTL   1018     Natal (RN)   BRA HI24jc 1000 INACTIVE BRA NS 2 3 2007-04-10 2009-07-14
400 PIE 1043 1032 8.4   Piedecuesta / Bucaramanga (Santander)   CLM FJ36kv   Palonegro Apt DEU ENG FRA HOL DOM AZ BC CA CO FL IL MA MD MI MS NC NH NS NY OH ON OR PA TX HI 42 170 1996-10-05 2015-02-28
400 PPI 1051 1014 8.4   'Hopey' St Paul MN USA EN34mu 25 !STP 10/025 PPI Navigation NDB unserviceable Oct 31, 2019 1100Z-permanent AZ BC CA CO IA IL IN MA MI MN MO MT NC NE NH NY OH ON OR PA TN TX VA WA WI 50 197 1999-12-25 2019-10-25
400 PTD 1016 1021 5.743   Potsdam NY USA FN24nr 25 !PTD 03/001 PTD NAV NDB U/S 2003271138-2009282000EST. NOTAM EXTENDED TO 2021-01-21 /// Updated May 1, 2021 to INACTIVE AZ BC IL IN MA MD ME MI MN MO NC NH NJ NL NS NY OH ON OR PA QC TX VA WI 54 248 1996-04-27 2018-02-10
400 QLA 404 403     UNID   XUU     INACTIVE - UNID CYP DEU 2 2 2013-12-16 2014-01-25
400 RBG         Roseburg OR USA CN83hf   Decom per NFDD 065 - 4 04/03/2020 CA IL 2 2 2001-08-18 2001-12-29
400 RCF 1020 1000     Oil Platform   XON EL47vm   Oil platform 110 miles off Louisiana AZ CO FL IL NM OR TX 10 21 2002-11-25 2007-11-10
400 RO 1055 1016 6.230   'Breit' Rochester NY USA FN13fd   Updated May 1, 2021 to INACTIVE IL MA MI NC NH NJ NS NY ON OR QC 15 57 2000-11-07 2016-07-02
400 SLO 1020 1019 7.73   Salem IL USA EM58mp 25 ecom per NFDD 019 - 2 01/29/2020 AZ CA CO FL IA IL IN MI MN MO NC NE NS OH ON OR TN TX VA WI 45 186 1999-03-28 2019-11-11
400 SLW         Smithville OH USA EN90cv 25   MI OH 2 2 1997-01-04 2001-01-22
400 STU         Strumble   ENG     INACTIVE ENG HOL 3 6 1984-09-09 1994-10-29
400 TEA 1018 1012 10.08   Teano (CE)   ITA JN61xh   INACTIVE - Province : Caserta - WAS 316.0 CYP CZE DEU ENG ESP FIN FRA HOL HRV ITA POL RUS SAR SUI SVN SWE XOE 54 108 2013-08-10 2020-09-06
400 TN         Tangerang   INS OI33gr     WE 1 2 2007-09-10 2008-06-20
400 TRX 1047 1009 6.0   Trenton MO USA EN30eb 25 Decom -- !COU 11/426 TRX NAV NDB DECOMMISSIONED 1911271409-PERM FIN AZ BC CA CO IA IL KS LA MD MI MN MO MS MT NB NC NE NS NY OH ON OR PA TN TX UT VA WI 60 211 1996-12-27 2019-01-27
400 TW         UNID   XUU     INACTIVE - UNID SWE 1 1 2007-04-06 2007-04-06
400 UWI 1031 1028 5.534   'Whitfield' Dalton GA USA EM74ms 25 2014-08-25 Michael Oexner reports that has been or will be Decommissioned. /// Updated May 1, 2021 to INACTIVE AL AZ BC CA CO FL GA IL IN MA MD MI MO MS NC NH NJ NS NY OH ON OR QC TN TX VA WI 52 208 1999-10-27 2019-08-17
400 VQ 1057 1048 7.8   'Besaq' Alamosa CO USA DM77ai   2013-04-01 Michael Oexner reports its been deleted NOTAM: !DET 06/015 DET NAV VQM NDB DECOMMISSIONED 1806141605-PERM CREATED: 14 Jun 2018 16:06:00 SOURCE: KLANYFYX AB AZ BC CA CO ID IL NE NM OR TX UT WA 28 123 2000-10-10 2009-09-19
400 WR         Surabaya   INS OI62ip     WE 1 2 2007-09-10 2008-06-20
400 XW 1010 1003 5.15   'Flmng' Mason KY USA EM88en   Very fast, continuous ID; 2005-11-13 Andy Robins writes 'gone for a few months now; a major pest here', but heard since / NOTAM: !LOU 08/187 FGX NAV FLMNG NDB DECOMMISSIONED 1708170401-PERM AZ BC CA CO FL IA IL IN MA MD MI MN MO MS NC NE NH NJ NS NY OH ON OR PA QC SC TN TX VA WV 67 208 1997-09-29 2017-05-16
400 ZYG   420   DAID Covehead (Charlottetown) PE CAN FN86ki 50   CA FL IL MA MD ME MI NB NS NY ON VA 19 40 2003-01-15 2009-10-14

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