Thanks to spotty Wi-Fi coverage, we'd go a short distance, talking naturally, then halt as the robot lost signal, or veered off.
In fact, over the 1, 900-mile trek, it only lost signal on two occasions: a 20-mile stretch of the Central Oregon Highway and just as I was driving onto the Golden Gate Bridge in San Francisco.
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Last week was the first time since December 2002 that all three signal callers lost in the same week.
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If they give off radio waves at all, the signal is lost in the mess of gas in the neighbourhood.
The MW810 Mobile Workstation packs an internal "Dead Reckoning" GPS backup feature which continues to estimate your location even when the signal is lost.
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Those subtle interactions, like nonverbal gestures that signal someone wants to speak, get lost in virtual meetings.
Then, he dumped his entire stake in BlackBerry, a signal to some that the founder had lost confidence in BlackBerry.
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It is a clear signal from the world governing body that it has lost patience with a LOC that presently consists of just three members. (South Africa had a 16-person board of directors sixty-six months before the opening game).
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Their willingness finally to act in this area will be aninteresting signal of their determination to claw back their economies' lost competitiveness.
The rally lost some steam on Friday, but a more convincing lower close is needed to signal that a correction is underway.
The idea is that even if some packets get lost amid the noise, enough will slip through to be reassembled as a coherent signal at the destination.
In effect, moving to nominal GDP targets would send a signal that the Bank was determined to get back the nominal growth in the economy that has been lost, even if it is at the cost of pushing inflation above 2% for a sustained period of time.
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