Parabolic Antenna Diameter -- EIRP versus Power

Good morning, all,

Here is a chart that shows the approximate EIRP that can be achieved with a given PA output power and a given antenna diameter.

The Bochum AMSAT beacon DK0SB (ex DL50AMSAT) has an EIRP of around 900 Watt.

Vy 73

Holger 'Geri', DK8KW