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ARNDEx

Pronounced “Our Index”

Amateur Radio iNformation Data Exchange

ARNDEx is a file-sharing schema for passing certain file types and information types within the Amateur Radio Community.

RepeaterBook uses proposed ARNDEx file formats for transferring data about repeaters. All formats utilize the comma-separated (CSV) file type.

Repeater File

If you are a frequency coordinator and want to share data with RepeaterBook, the file structure below should be used to pass the data.

Version 0.10

Field Name	Parameters	Required	Max characters
FC-RECORD-NUMBER	Primary Key. Prefer numeric but not required. Must be unique.	Y	9
CALLSIGN	Government issues call sign. No extra designators or add-ons.	Y	7
UPLINK_FREQUENCY	Repeater receive frequency.	Y	9
DOWNLINK_FREQUENCY	Repeater transmit frequency.	Y	9
UPLINK_CTCSS	Repeater receive tone.	N	5
DOWNLINK_CTCSS	Repeater transmit tone.	N	5
NEAR_CITY	Nearest locale to the repeater.	Y	16
LANDMARK		N	16
REGION	US County	N	16