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QR CODES

HOW THEY RELATE

TO HAM RADIO

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AGENDA

Introduction

Morse Code

Bar Codes

QR Codes

Final tips & takeaways

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HISTORY AND LAYOUT OF

MORSE CODE

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WHAT YOU KNOW

MORSE CODE

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INTERNATIONAL MORSE CODE

  • Each “dot” is 1 unit
  • Each “dash” is 3 Units
  • Space between dots and dashes in the same letter is 1 unit
  • The space between each letter is 3 units
  • The space between words is 7 units
  • Example?

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WX4RAY AND W9PVR AS MORSE CODE

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BAR CODES

ARE MORSE CODE EXTENDED

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BAR CODES ARE WHAT?

Morse code extended to thick and thin lines.

    • Dots become thin lines
    • Dashes become thick lines
    • At the beginning and end add unofficial * for direction and “start”, “stop”

Types of bar codes and their limits:

    • UPC/EAN: 13 letters
    • Code 39: 23 letters
    • Code 128: 128 ASCII

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W9PVR AS A BAR CODE

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QR CODES

  1. When did they start
  2. Why did they start
  3. What information CAN they hold
  4. scams

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QR CODES

Use Cases

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Use

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URL

Directs to a website

vCard

Saves contact information to a phone

WiFi

Auto connect to a wifi network

App Store

Direct download from an app store

Calendar Event

Add’s an event to the scanner's calendars

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THANK YOU

Ray Gill

WX4RAY