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A 6m steel pole. The pole is solar powered and routes data from the Sensor Floats
and other Sensor Relay Poles back to the Base Station located on Heron Island. The
system uses the Campbell Scientific CR1000 loggers and RF411 Spread-Spectrum radios
to process and route the data. The poles also can support a range of sensors, this
pole also has a simple bottom mounted thermistor using the MEA thermistors as well
as a Vaisala WXT520 weather station. The unit will be serviced every six months and
will be used in the future for attaching new sets of sensors. The weather station
provides measurement of air temperature (Deg. C.), humidity as relative percent, barometric
pressure (milliBars or hPa), rainfall amount, intensity and duration, hail amount,
intensity and duration (not common on coral reefs!) and wind speed and direction.
The wind speed and direction and processed into scalar and vector (directional) based
readings and presented as 10 and 30 minute averages to give mean values and maximum
values. From these you can get the average wind conditions at either 10 minute or
30 minute periods as well as the gust or maximum wind conditions. The weather station
is connected via an SDI-12 interface to a Campbell Scientific CR1000 logger which
uses a RF411 radio to transmit the data, every 10 minutes, to the base station on
Heron Island and then a Telstra nextG link is used to send the data back to AIMS.
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