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Portable radio station '' Vitalka '' (Vitalka).
Portable single-channel radio station "Vitalka" (Vitalka) has been produced since 1978 by one of the Ukrainian plants.
The radio station was developed by Kiev radio amateur Yuri Medinets (UB5UG).
Radio station "Vitalka" is intended for climbers and mountain tourists.
The frequency of reception and transmission of 27.12 MHz (there were other frequencies).
Sensitivity 0.1 μV.
The output power of the transmitter is 100 mW.
The output power of the bass amplifier is 100 mW.
Powered by eight A-316 cells.
Modulation of the World Cup (according to some reports, there was AM).
The range of reliable communications in the mountains within the line of sight reaches 2 ... 2.5 kilometers, in shaded areas up to 500 meters.
After several years of operation of the radio stations, due to aging of quartz, the frequency of reception and transmission began to diverge, which made communication impossible.
Since 1980, the radio stations Vitalka-M and Vitalka-S have been produced.
Vitalka-M (modernized) is a small bag with a long telescopic antenna and the radio station itself.
There are three "KBS 0.5" batteries and an antenna in the bag, all of which were connected to the radio station by cable.
The communication range on Vitalka-M radio stations is 3 times farther than on Vitalka radio stations.
The power kit was enough for 15 ... 30 hours of continuous operation.
The release of radio stations was limited.
Radio station "Vitalka-S" (stationary) differs from previous radio stations by a stationary antenna.
It was recommended to feed the Vitalka-S radio station from a battery of accumulators with a voltage of 12 ... 13.5 volts.
The communication range, unlike the base radio station, is 10 ... 15 times further.
The release of radio stations was also limited.
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