Template:Ship call sign/doc

This template is used to generate a box that shows the International radio call sign of a ship.

Usage
For example, will give you:

TemplateData
{   "description": "Ship characteristics, to be used with ", "params": { "1": {           "label": "1", "description": "The first letter", "default": "ERROR", "example": "A", "type": "string", "required": true },       "2": {            "label": "2", "description": "The second letter", "default": "ERROR", "example": "B", "type": "string", "required": true },       "3": {            "label": "3", "description": "The third letter", "default": "ERROR", "example": "C", "type": "string", "required": true },       "4": {            "label": "4", "description": "The fourth letter", "default": "ERROR", "example": "D", "type": "string", "required": true },       "ship name": { "label": "Ship name", "description": "The name of the ship in question.", "default": "PAGENAME", "type": "string", "required": false },       "reference": { "label": "Reference", "description": "A citation for the information", "type": "string", "required": false }   } }