Pat Hawker Books

A Guide to Amateur Radio
A Guide to Amateur Radio

By Pat Hawker

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Amateur radio techniques
Amateur radio techniques

By Pat Hawker

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Guide to amateur radio
Guide to amateur radio

By Pat Hawker

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A guide to amateur radio
A guide to amateur radio

By Pat Hawker

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Antenna Topics
Antenna Topics

By Pat Hawker

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Electronics Pocket Book
Electronics Pocket Book

By E. A. Parr

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What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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