Sounding equipment

To serve upper-air weather observation

Vaisala sounding products are used by meteorological organizations all around the world to measure weather in the Earth’s atmosphere, from the boundary layer to the upper atmosphere. Quality, accuracy and reliability are words that describe both the performance of Vaisala Soundings products and the growing portfolio of services that we offer in support of them.


Vaisala Dropsonde RD93

The Vaisala Dropsonde RD93 is a general-purpose dropsonde for high-altitude deployment from a variety of aircraft. It measures the atmospheric profiles of pressure, temperature, relative humidity and wind from the point of launch to the ground.

Vaisala Radiosondes

The Vaisala Radiosonde RS92 leads the modern era in sounding. It offers the world’s highest level of PTU measurement performance and continuous wind data availability.

Vaisala Radiotheodolite RT20

The Vaisala Radiotheodolite RT20 is an integral part of automated meteorological data acquisition for mobile field artillery and other land-based tactical defense units

Sounding systems

Sounding systems for upper-air observation.

Sounding Visualization - Go on a bird's eye-view sounding flight

See how the pressure, temperature, humidity and wind behave during the ascent of a radiosonde. Come and join us on this flight!

Google Earth- Vaisala sounding map