Page "Vostok 1" Paragraph 35
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* 06: 53 UT The Khabarovsk ground station sends Gagarin the following message via HF radio, " By order of No. 33 ( General Nikolai Kamanin ) the transmitters have been switched on, and we are transmitting this: the flight is proceeding as planned and the orbit is as calculated.
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2.408 seconds.