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"Houston in the blind, this is Kowalski. Dr Stone and I are making our way to base, please prepare Airlock for arrival. Copy?"
―Matt Kowalski giving a blind transmission.

A blind transmission, in telecommunications, is a transmission made without obtaining a receipt, or acknowledgment of reception, from the intended receiving station. 

They were a signifigant plot device in Gravity and a track on the soundtrack was named after them. 

PurposeEdit

Blind transmissions may occur or be necessary when security constraints, such as radio silence, are imposed, when technical difficulties with a sender's receiver or receiver's transmitter occur, or when lack of time precludes the delay caused by waiting for receipts.

ExamplesEdit

  • The usual reason for "transmitting blind" would be that the captain of an aircraft knows or suspects that the aircraft's receiver has failed. The captain would still proceed according to the flight plan, and under obligation to let other people know of his whereabouts and decisions.
  • The less common reason would be a ground control station not being able to transmit (due to transmitter failure) or not wanting to transmit any acknowledgment (to avoid giving away further information and putting a military mission at risk).

VideoEdit

File:Gravity - The Soyuz Problems (1080p)

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