VLF transmitter DHO38
VLF transmitter DHO38
The VLF transmitter DHO38 is a VLF transmitter used by the German Navy near Rhauderfehn, Saterland, Germany. It is used to transmit coded orders to submarines of the German Navy and navies of other NATO countries.
DHO38 has transmitted since 1982 on 23.4 kHz with a power of up to 800 kilowatts. DHO38 uses an umbrella antenna which is carried from 8 steel tube masts with a height of 352.8 metres. Each pylon stands on 3 metre tall ceramic cylinders, which serve as insulators for voltages up to 300 kV. The masts are equipped with cylindrical oscillation dampers for better protection against storms. The transmitter is capable of transmitting signals to submarines worldwide to depths of approx. 30 metres.
External links
Coordinates: 53°04′55″N 7°36′59″E / 53.08194°N 7.61639°E / 53.08194; 7.61639
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ELF
3 Hz/100 Mm
30 Hz/10 Mm
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SLF
30 Hz/10 Mm
300 Hz/1 Mm
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ULF
300 Hz/1 Mm
3 kHz/100 km
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VLF
3 kHz/100 km
30 kHz/10 km
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LF
30 kHz/10 km
300 kHz/1 km
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MF
300 kHz/1 km
3 MHz/100 m
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HF
3 MHz/100 m
30 MHz/10 m
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VHF
30 MHz/10 m
300 MHz/1 m
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UHF
300 MHz/1 m
3 GHz/100 mm
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SHF
3 GHz/100 mm
30 GHz/10 mm
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EHF
30 GHz/10 mm
300 GHz/1 mm
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THF
300 GHz/1 mm
3 THz/0.1 mm
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