Note from the table below that the information contained on the 3 tracks of the Driver's License differ only slightly from the AAMVA standard to the early California DL standard. In order to encode the additional alpha-numeric information required on the Driver's License, the specification was revised to permit alpha-numeric information to be encoded on track 3. While the data encoded on the tracks is different from the Banking and Credit Card industry, the number of bits/character is the same. Track 1 and 2 of the Driver's License Magnetic Stripe format conform to the original formatting standards used by the Banking and Credit Card industry. Track 3, originally an alternate numeric-only track, is no longer used in the Banking and Credit Card format. Readers with both track 1 and 2 are recommended for acquiring Credit Card data since redundancy permits the authorization process to compare account information on both tracks and also fallback to the lower density track data if the reader is unable to decode track 1 due to damaged track data on the card. Low density data is still recorded on track 2 for compatibility with older-technology readers and provide redundancy when reading with newer-technology readers. In the early years of Magnetic Stripe technology, data was recorded at lower density to increase read-reliability. Lower-density data recorded on track 2 contains only the account number and expiration date. Further ISO Standards are available from American National Standards Institute. The majority of magnetic cards used in the USA, UK, and Europe confirm to the following ISO standards for magnetic cards.įull copies of these standards can be pruchased from and The information below is abstracted from these standards. The majority of magnetic cards used in the UK, Europe and USA confirm to the following ISO standards for magnetic cards. ISO 7810 defines the physical characteristics of the card.
Tracks 1 and 3 read alphanumeric data at 210 bpi, while track 2 reads numeric data only at 75 bpi. StandardsĪs a general rule, data on Magnetic Cards conforms to the encoding format for financial transaction cards (ISO 7811). Other custom utilizations are also possible (and appropriate).
#MAG CARD WRITER SOFTWARE#
Our Products » Software » Magnetic Strip Encodingīelow will be found a brief synopsis of some Magnetic Strip Encoding Standards.
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