User`s guide

Chapter 3 _________________________________________________________________ Operation
VAISALA________________________________________________________________________ 13
Unpacking the Radiosonde
1. Tear open the foil bag as indicated.
2. Remove the rubber-band and lift the cardboard flap protecting
the sensor boom. Be careful to avoid touching or hitting the
sensors on the sensor boom from here on.
3. Remove the radiosonde from the package, free the antenna, and
take the unwinder out of the package with the radiosonde.
CAUTION
Do not touch or hit the sensors on the sensor boom. Also be careful
not to bend the GPS antenna. By carefully handling the radiosonde
and the sensor boom, as well as the GPS antenna, you will ensure
proper functioning of the radiosonde during sounding.
Sounding with DigiCORA III MW21
When using RS92-SGP Digital Radiosonde with DigiCORA III, no
tape reader is necessary. For example, the RS92 Digital Radiosonde
coefficients are automatically given to DigiCORA III via telemetry.
Sounding Preparations
For details on using the GC25 Ground Check Set, refer to the GC25
Ground Check Set User's Guide. See Related Manuals on page 4 for
details.
1. Switch on the PC and start a new sounding with the DigiCORA
III software. For details refer to the DigiCORA III User's Guide.
2. Make sure the GC25 is switched on.