Is 654 octets as much as a Magnetic Stripe Card?
It's about six times as much as a Magnetic Stripe Card
The amount of a Magnetic Stripe Card is about 100 octets.
(maximum capacity; per ISO 7811 specification)
The storage capacity of a magnetic stripe on a credit or identification card is about 100 octets. According to legend, Forrest Parry, the IBM engineer who developed the first magnetic stripe card in 1960, was able to solve the problem of adhering the strip to the card after his wife suggested using an iron.
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