Features:

1. Vaisala RS-80 Based Sensor accurately measures: barometric pressure, temperature, and relative humidity.

2. On-Board GPS sensor accurately mesures time, position, and velocity.

3. One-second data acquision

4. Plenty of data storage on board. Up to 5 days of continuous one-second data with the standard 20 Mb PCMCIA memory card.

5. NiMH batteries for four hours of continuous flight time.

6. Simple PC interface (RS-232) for connection to any computer

7. Optional transmitter available.