| 21. | A prototype system charging electric vehicles has been in operation at University of British Columbia since 2012.
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| 22. | With other improvements, a full prototype system was first tested at sea on the in April 1937.
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| 23. | Program activities extend from fundamental investigations, through simulation and analysis, to design and field testing of prototype systems.
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| 24. | SDR also has prototype systems for other government functions such as liquor control and professional and business licensing.
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| 25. | The company has already begun supplying prototype systems for medical imaging that offer an alternative to X-ray film.
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| 26. | This 4G prototype system also uses a 12x12 antenna MIMO configuration, and turbo coding for error correction coding.
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| 27. | The 8-level code used on the prototype systems is a convolutional code, storing about 2.5 bits per data cell.
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| 28. | The prototype system is activated after a green light signals the driver to pull up to the credit-card station.
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| 29. | At that meeting, Tackbary demonstrated a prototype system and told company officials she had filed for a patent application.
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| 30. | But the prototype system now being tested has not yet been shown to be sufficiently reliable to protect American cities.
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