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DCF77
Videos
DCF77 is a German longwave time signal and standard-frequency radio station. It started service as a standard-frequency station on 1 January 1959. In June 1973, date and time information was added. It
The low frequency T-aerial antennas of DCF77 in Mainflingen
The low frequency T-aerial antennas of DCF77 in Mainflingen
Low-cost DCF77 receiver
Low-cost DCF77 receiver
The DCF77 time signal is used by organizations like the Deutsche Bahn railway company to synchronize their station clocks.
The DCF77 time signal is used by organizations like the Deutsche Bahn railway company to synchronize their station clocks.
The Mainflingen transmitter uses isolated guyed lattice masts to elevate the DCF77 antennas.
The Mainflingen transmitter uses isolated guyed lattice masts to elevate the DCF77 antennas.
Time signal
Videos
A time signal is a visible, audible, mechanical, or electronic signal used as a reference to determine the time of day.
DCF77
…DCF77 is a German longwave time signal and standard-frequency radio station. It started service as a standard-frequency station on 1 January 1959. In June 1973, date and time information was…
These automatic signal clocks were synchronized by telegraphy in 1905 before the widespread use of radio
These automatic signal clocks were synchronized by telegraphy in 1905 before the widespread use of radio
A RBL 40-pounder Armstrong gun being fired as "the one o'clock gun" on Woolwich Common, circa 1905
A RBL 40-pounder Armstrong gun being fired as "the one o'clock gun" on Woolwich Common, circa 1905
The time ball on the roof of Greenwich Observatory, London
The time ball on the roof of Greenwich Observatory, London
A modern LF Radio clock
A modern LF Radio clock