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KF5JRV > TECH 22.10.16 12:22l 6 Lines 220 Bytes #999 (0) @ WW
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Subj: Compass as a Navigation Aid
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Sent: 161022/1117Z 4007@KF5JRV.#NWAR.AR.USA.NA BPQK6.0.13
Compass as a Navigational Aid
The first person recorded to have used the compass as a navigational aid was
Zheng He (1371-1435), from the Yunnan province in China, who made seven ocean
voyages between 1405 and 1433.
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