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Recording Details (VLF/LW: Grimeton SAQ on UNESCO 50th anniversary day)

Overview Cohiradia
Recording Date 2022-11-16 15:45
Duration 1500 Seconds
Recording Location Graz, Austria (AT) (15° 26′ 17″ O / 47° 4′ 16″ N)
Band ULW/LW
Frequency Range 10 kHz - 260 kHz
Bandwidth 250 kHz
Recording Device RSPdx, SDRPlay
Antenna active dipole 2x120cm, custom-built, symmetric preamplifier with OPA655 FET Opamps
Band Middle Frequency 135 kHz
Encoding ci16
Filter on board of the SDR
Pre-Amplifier Settings on board LNA
Notes VLF/LW: Grimeton SAQ on UNESCO 50th anniversary day, Widebandscan 10 kHz - 260 kHz, Alexanderson Alternator, message 16-11-2022, 16:00 UTC; Luxemburg effects: RTL on Allouis and Antena Satelor on 135,6kHz (HNG), unidentified intermittent perturbations on 164,2 179,75 195,4 211kHz, delta = 15,6kHz, probably local
Recorded by Hermann Scharfetter / 2023-02-04 17:52
Download Link Download (RFCorder, SDRUno, SDR#)

 

Radio Stations

Frequency SNR S-Level Country Programme TX-Site TX-Power
16,4 kHz 20 dB - NOR JXN Helgeland Gildeskål/Novik -
17,2 kHz 18 dB - S SAQ Grimeton -
18,1 kHz 30 dB - RUS RDL/UPD/UFQE/UPP/UPD8, MIL HQ Moskva VLF network Krasnodar,Nizhny Novgorod, Arkhangelsk, others -
18,3 kHz 30 dB - F HWU, French Navy Rosnay -
19,6 kHz 25 dB - G GQD, GBZ Anthorn, Skelton -
20,27 kHz 22 dB - I ICV Tavolara -
20,9 kHz 30 dB - F HWU, FTA20/HWU, French Navy Rosnay, Saint-Assise -
21,1 kHz 30 dB - RUS RDL, RJS, MIL HQ Moskva VLF network Krasnodar, Vladivostok Radio -
22,1 kHz 25 dB - G GQD, GBZ Anthorn, Skelton -
23,4 kHz 49 dB - D DHO-038 Rhauderfehn Marinefunksendestelle -
24,0 kHz 25 dB - USA NAA, US Navy Cutler, ME -
26,7 kHz 30 dB - TUR NAA, US Navy Denizköy-Bafa TBB -
37,5 kHz 15 dB - ISL NRK,TFK, US Navy Grindavik -
42,2 kHz 15 dB - S SRC Karlsborg -
45,9 kHz 45 dB - I NSY, US Navy Niscemi -
49 kHz 30 dB - unidentified unidentified unidentified -
51,95 kHz 30 dB - G GIY20(FAX), GNY1(UK Royal Navy), GYW1(F1B, encrypted) Oxford, Thurso, Crimond -
54 kHz 5 dB - J US Navy NRTF US Navy NRTF -
57,7 kHz 10 dB - G,ISL GXH, NRK Thurso, Grindavik(US Navy) -
60 kHz 25 dB - G,J ? MSF, JJY(CW IDentH+15) ? Anthorn, Hagana-yama ? -
62,6 kHz 34 dB - F FUE(French Navy Brest),FUG,FUG Brest, La Regne, Brest -
63,85 kHz 36 dB - F FTA63 Sainte-Assise -
66,67 kHz 25 dB - RUS RBU Taldom -
77,5 kHz 42 dB - D DCF77 Mainflingen -
81,0 kHz 30 dB - G GYN2 (F1B 85 Hz shift, encrypted) Skelton -
129,1 kHz 50 dB - D DCF49 Mainflingen EFR Funkruf -
135,6 kHz 69 dB - HNG" HGA22 Lakihegy EFR Funkruf HNG -
139 kHz 53 dB - D DCF39 Burg EFR Funkruf -
153 kHz 48 dB - ROU Antena Satelor Brasov -
162 kHz 45 dB - F Zeitzeichen Allouis -
171 kHz 23 dB - MRC Medi 1 Nador MRC -
198 kHz 38 dB - G BBC4 Droitwich -
225 kHz 49 dB - POL Jedynka Solec Kujawski -
234 kHz 36 dB - LUX RTL Beidweiler -
252 kHz beat, 40 dB - IRL RTE1 Dublin -
252 kHz beat, 40 dB - ALG Chaîne 3 Tipaza -
  
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