<xml> <object name="SonarAltitude" singleinstance="true" settings="false"> <description>The raw data from the ultrasound sonar sensor with altitude estimate.</description> <field name="Altitude" units="m" type="float" elements="1"/> <access gcs="readwrite" flight="readwrite"/> <telemetrygcs acked="false" updatemode="manual" period="0"/> <telemetryflight acked="false" updatemode="periodic" period="1000"/> <logging updatemode="never" period="0"/> </object> </xml>