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Specification for Amateur Radio Numeric Callsign Encoding (HAM-64/Ham-Addr)

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Amateur Radio Numeric Callsign Encoding (README)

The Amateur Radio Numeric Callsign Encoding (ARNCE) is a mechanism for any radio callsign of up to 12 characters to be encoded into 8 bytes(or less). These numeric "ham addresses" can also be translated to EUI-48 and EUI-64 addresses, which can be useful when operating consumer Wi-Fi equipment under Amateur Radio rules. It can also be useful for encoding short text identifiers into MAC addresses in non-radio contexts.

Examples

Callsign HamAddr EUI-48
N6DRC 5CAC-70F8 02:5C:AC:70:F8:00
KJ6QOH/P 4671-6CA0-E9C0 C2:46:71:6C:A0:E9
AA0XXX/MOBI-4 0683-99D8-F5E7 EA:06:83:99:D8:F5
Callsign HamAddr EUI-64
VI2BMARC50 8B05-0E89-7118-A8C0 C2:8B:05:0E:89:71:18:A8

The mechanism for reversibly translating callsigns into numeric identifiers is outlined in the ARNCE technical specification (HAM-64), included in this repository. Also included in this repository are shell scripts which can be used to convert between all of these address formats.

The original source of the specification is in the file n6drc-arnce.md, which is formatted in mmark syntax (vaguely similar to GitHub-flavored Markdown). The included makefile uses paulej's rfctools to convert this base format into text, HTML, and XML formats.

This project is hosted on GitHub as arngll/arnce-spec.

Reference Implementations

This repository also contains reference implementations in various languages. Currently, reference implementations in the following languages are included:

  • Standard unix shell sript (/bin/sh)

A implementation in Rust is available here.

See also

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Specification for Amateur Radio Numeric Callsign Encoding (HAM-64/Ham-Addr)

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