mode-s-msglen

    1.0.4 • Public • Published

    mode-s-msglen

    A utility library for getting the message length of Mode S messages based on the downlink format.

    Mode S is an aviation transponder interrogation mode used by Secondary Surveillance Radar (SSR) and Automatic Dependent Surveillance-Broadcast (ADS-B) systems.

    For an example of this module in use, see AirplaneJS.

    Build status js-standard-style

    Installation

    npm install mode-s-msglen --save
    

    Usage

    const msglen = require('mode-s-msglen')
     
    const msgbits = msglen(17)
     
    if (msgbits === msglen.LONG_MSG_BITS) {
      console.log('This is a long message')
    } else {
      console.log('This is a short message')
    }

    API

    Constants

    • LONG_MSG_BITS
    • SHORT_MSG_BITS

    len = msglen(type)

    Given the Downlink Format (DF) of the Mode S message, return the message length in bits.

    License

    MIT

    Install

    npm i mode-s-msglen

    DownloadsWeekly Downloads

    12

    Version

    1.0.4

    License

    MIT

    Last publish

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