Vaisala Radiosonde RS41-D - Preparing RS41 Sensor Boom

3.6 Preparing RS41 Sensor Boom
Before launching the radiosonde, bend the sensor boom to the correct sounding position
using the unwinder stick. This also attaches the radiosonde to the unwinder and the balloon.
1. Push the unwinder stick to its position at the end of the radiosonde.
2. As you push, the unwinder stick pushes the sensor boom to the bent position and the
unwinder snap lock clicks into place.
RS41-D User Guide M211952EN-C
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