| 1. | In January 1922 " Renshaw " calibrated radio compasses for the 12th Naval District.
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| 2. | The inquiry thought it was probable that the crew relied on dead reckoning rather than radio compass.
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| 3. | Among this equipment was the radio compass ARC-5, making its efficiency impossible to determine.
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| 4. | The US Army Air Corps in 1931 tested a primitive radio compass that used commercial stations as the beacon.
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| 5. | In Number 2, the radio compass stopped working as well, but it resumed working later in the flight.
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| 6. | Investigation showed that a commercial radio signal N of Burtonwood interfered with aircraft's radio compass, giving a false reading.
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| 7. | Near the Arctic Circle, the magnetic compasses fluctuated wildly, and the fliers ignored them, relying instead on the radio compass.
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| 8. | They initially attempted to create a radio compass, but could not develop a successful design, partly as a consequence of their isolation.
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| 9. | While at the NBS, he pioneered a number of developments in radio signal detection and radio compass work, including the Kolster Decremeter.
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| 10. | The following morning, she moved to Damariscove Island where she helped to establish one of a network of radio compass stations along the Maine coast.
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