WXStar - How It Works

How Does WXStar Work?

WXStar connects to your Starlink Mini and uses the satellite internet connection to download European weather data. It then broadcasts this data to your avionics using standard aviation protocols (FIS-B, GDL90).

Physical Connection to Starlink Mini


Starlink Mini alone

With WXStar attached

The WXStar physically slots into the back side of the Starlink Mini. There are already slots designed into the Starlink Mini for this kind of attachment, so no fasteners are required. The device stays in place securely.

You can remove it without tools by pulling upwards and out, should you ever need to. As the WXStar uses "dead" space below the Starlink Mini, the overall size in your cockpit does not change.

Power Connection

The WXStar replicates the exact same power socket you find on the Starlink Mini. Whatever cable you have been using to power your Starlink Mini simply transfers to power both the WXStar and the Starlink Mini at the same time.

WXStar Power Consumption Maximum 2 Watts
Starlink Mini Power Consumption 20-40 Watts (typical)
Input Voltage Range 9V - 36V

Important: The Starlink Mini claims to support up to 48V. This exceeds the WXStar specification and could cause damage. Always verify your Starlink Mini power supply voltage before making any connections.

Network Connection

The WXStar connects to the Starlink Mini via wired Ethernet only. There is no WiFi connection directly from the WXStar device.

This is intentional: any custom WiFi is often a source of issues, so this wired connection is very robust. The Ethernet cable allows the WXStar to communicate with the Starlink Mini, its local WiFi network, and the Internet.

Automatic Updates

Since Starlink offers more than enough bandwidth, the WXStar device checks for firmware updates automatically and updates itself when required. No user interaction needed.

User Interface

There is a browser-based user interface which shows diagnostic data. It also allows simulating a different GPS position and generating FIS-B test images.

However, our goal is that most users never have to use it. Usually it should be just power up and forget. The user interface is there for rare and special cases only.

Simplicity is Key

Usually WXStar requires no user interaction at all. It draws power from the existing Starlink Mini power cable and simply starts up as soon as power comes up.





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