Recording Details
VLF and LW 10 -260kHz: Grimeton SAQ Christmas transmission 23 and Kalundborg Morning gymnastics on Christmas Eve 2023
Recording Date
2023-12-24 07:57:40+01:00
Duration
2691 Seconds
Recording Location
Graz,
Austria (AT)
(15° 26′ 17″ O / 47° 4′ 16″ N)
Band
VLF,LW
Frequency Range
10.0 kHz - 260.0 kHz
Bandwidth
250.0 kHz
Recording Device
RSPdx, SDRPlay
Antenna
Wellbrook ALA1530 (flex version) with custom-built loop for VLF (7 windings, 1 m square support fame) ca 12m above ground
Band Middle Frequency
135.0 kHz
Encoding
ci16
Filter
on board of the SDR
Pre-Amplifier Settings
on board LNA
Notes
VLF,LW: Widebandscan 250 kHz containing Grimeton SAQ on Christmas Eve 2023, Alexanderson Alternator, message 24-12-2023, 7:00 UTC; additionally Kalundborg morning, transmission with gymnastics; unidentified, probably local perturbations on 164 174 368 and 369kHz
Recorded by
Hermann Scharfetter
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Forum / Comments / Addition Information
Radio Stations
| Frequency | SNR | S-Level | Country | Programme | TX Site | TX Power | Remarks |
|---|---|---|---|---|---|---|---|
| 16,4 kHz | 15 | NOR | JXN Helgeland | Gildeskål/Novik | |||
| 17,2 kHz | 20 | S | SAQ | Grimeton | |||
| 18,1 kHz | 20 | RUS | RDL/UPD/UFQE/UPP/UPD8, MIL HQ Moskva VLF network | Krasnodar,Nizhny Novgorod, Arkhangelsk, others | |||
| 18,3 kHz | 20 | F | HWU, French Navy | Rosnay | |||
| 19,6 kHz | 30 | G | GQD, GBZ | Anthorn, Skelton | |||
| 20,27 kHz | 30 | I | ICV | Tavolara | |||
| 21,75 kHz | 20 | F | HWU | Le Blanc | |||
| 22,1 kHz | 20 | G | GQD, GBZ | Anthorn, Skelton | |||
| 24,0 kHz | 25 | USA | NAA, US Navy | Cutler, ME | |||
| 26,7 kHz | 15 | TUR | NAA, US Navy | Denizköy-Bafa TBB | |||
| 29,7 kHz | 20 | I, ISR ? | ?, A1F3? | ?, Negev Desert? | |||
| 42,2 kHz | 25 | S | SRC | Karlsborg | |||
| 44,2 kHz | 25 | ? | ? | ? | |||
| 45,9 kHz | 30 | I | NSY, US Navy | Niscemi | |||
| 49.75 kHz | 30 | unidentified | unidentified | unidentified | |||
| 51,95 kHz | 30 | G | GIY20(FAX), GNY1(UK Royal Navy), GYW1(F1B, encrypted) | Oxford, Thurso, Crimond | |||
| 57,7 kHz | 10 | G,ISL | GXH, NRK | Thurso, Grindavik(US Navy) | |||
| 60 kHz | 30 | G,J ? | MSF, JJY(CW IDentH+15) ? | Anthorn, Hagana-yama ? | |||
| 62,6 kHz | 20 | F | FUE(French Navy Brest),FUG,FUG | Brest, La Regne, Brest | |||
| 63,85 kHz | 30 | F | FTA63 | Sainte-Assise | |||
| 65,8 kHz | 25 | F | FUE | Kerlouan | |||
| 66,67 kHz | 25 | RUS | RBU | Taldom | |||
| 77,5 kHz | 45 | D | DCF77 | Mainflingen | |||
| 81,0 kHz | 20 | G | GYN2 (F1B 85 Hz shift, encrypted) | Skelton | |||
| 129,1 kHz | 50 | D | DCF49 | Mainflingen EFR Funkruf | |||
| 135,6 kHz | 69 | HNG" | HGA22 | Lakihegy EFR Funkruf HNG | |||
| 139 kHz | 53 | D | DCF39 | Burg EFR Funkruf | |||
| 153 kHz | 48 | ROU | Antena Satelor | Brasov | |||
| 86.8 kHz | 15 | unidentified | unidentified | unidentified | |||
| 129.1 kHz | 45 | D | DCF49, Zeitzeichen | Mainflingen | |||
| 135.6 kHz | 50 | HNG | HGA22 | Efr-telecontrol Lakihegy | |||
| 139.0 kHz | 50 | D | DCF39 | Burg | |||
| 147.3 kHz | 30 | D | DDH47 | Pinneberg | |||
| 153 kHz | 50 | ROU | SRR Antena Satelor | Brasov/Bod Colonie | |||
| 162 kHz | 40 | F | TDF time signal | Allouis | |||
| 171 kHz | 15 | MRC | Medi 1 | Nador MRC | |||
| 198 kHz | 30 | G | BBC4 | Droitwich | |||
| 225 kHz | 49 | POL | Jedynka | Solec Kujawski | |||
| 243 kHz | 30 | DNK | DR Langbølge | Kalundborg/Radiovej | |||
| 252 kHz | 20 | ALG | Chaîne 3 | Tipaza |