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Advantages of Reed-Solomon codes over Golay codes

Summary by johndcook.com

When Voyager 1 and 2 left Earth, their internal computers were programmed to use Golay error correction codes. Images transmitted from Jupiter and Saturn were encoded using Golay codes. After leaving Saturn, the software was upgraded to use Reed-Solomon error correction codes. I didn’t realize how much difference the change of encoding made until I ran across a JPL report that elaborated on the efficiency of both codes. Encoding these data has a…

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Advantages of Reed-Solomon codes over Golay codes

When Voyager 1 and 2 left Earth, their internal computers were programmed to use Golay error correction codes. Images transmitted from Jupiter and Saturn were encoded using Golay codes. After leaving Saturn, the software was upgraded to use Reed-Solomon error correction codes. I didn’t realize how much difference the change of encoding made until I ran across a JPL report that elaborated on the efficiency of both codes. Encoding these data has a…

12 days ago

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johndcook.com broke the news in 12 days ago on Monday, March 24, 2025.

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