radar.py

# requests is a module that allows you to send HTTP requests
import requests
# json is for handling JSON files
import json
# simplekml is for generating KML files
import simplekml

# The geographic location of your virtual radar
Latitude = "52.0688114"
Longitude = "19.4709897"

# Range of your virtual radar in kilometers
# Too high range may cause performance issues.
Radius = "450"

# ADS-B Data URL
URL = "https://public-api.adsbexchange.com/VirtualRadar/AircraftList.json?lat="+Latitude+"&lng="+Longitude+"&fDstU="+Radius

# Unfortunately adsbexchange.com blocks requests generated by urllib so we have to spoof some headers
Headers = {"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36"}

# Download data from given URL
RawFlightData = requests.get(URL, headers=Headers)

# Parse downloaded JSON
FlightData = json.loads(RawFlightData.content)

# Now it's time to generate our map
kml = simplekml.Kml()

for airplane in FlightData["acList"]:
    point = kml.newpoint()
    point.coords = [(airplane["Long"],airplane["Lat"])]
    point.name = str(airplane["Icao"])
    description = ""
    if("Reg" in airplane):
        description += "Registration number: "+str(airplane["Reg"])+"\n<br>"
    if("Alt" in airplane):
        description += "Altitude: "+str(airplane["Alt"])+" ft.\n<br>"
    if("Spd" in airplane):
        description += "Ground speed: "+str(airplane["Spd"])+" knots\n<br>"
    if("Trak" in airplane):
        description += "Heading: "+str(airplane["Trak"])+"&deg;\n<br>"
        point.style.iconstyle.rotation = round(airplane["Trak"])
    if("Op" in airplane):
        description += "Operator: "+airplane["Op"]

    point.description = description
    
# Save our KML file
kml.save("./radar.kml")