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An unfortunate incident that transpired in 1964 when Vozdukh-1 had just entered service:
"At trials of the ASU “Vozdukh,” I, as a signalman, was shocked by a situation where dozens of heavy, field, multi-core cables were laid between the mobile objects of the command post. Many of the cables were connected with couplings, since the length of a single cable was not enough. All of this was thrown into wet snow. The consequences were sad. Moisture penetrated into the connectors. Telegraph pulses with voltage of plus/minus 60 volts led to corrosion of contacts. Interference that arose in the cables disrupted both telephone and telecode communications. To transmit telecode information in the ASU “Vozdukh,” telegraph apparatus was used. From the standpoint of communications, this too was barbarity, since equipment already existed that ensured transmission of pulse signals at a speed of 1200 bit/s. But the chief designer of the ASU “Vozdukh” had no time to delve into this problem: such communications decisions had been made by a Moscow institute, they were optimal. For the chief designer, “communications” was an inevitable evil with which one had to put up, and sometimes one could shift one’s sins and miscalculations onto “bad communications.”

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