Appendix A ________________________________________________________________ Glossary
VAISALA______________________________________________________________________ 133
passive CDU
CDU in hot standy mode. In
duplicated system
s, the
CDU
that is
monitoring the
active CDU
in a normal situation.
primary sensor
The sensor that provides the system with the weather data in normal
conditions.
processed data
Weather data that is measured by sensors and processed before it is
shown in AviMet applications, in contrast to
raw sensor data
.
raw sensor data
Weather data measured by sensors and shown in the AviMet system
without significant modifications, in contrast to
processed data
.
RCM workstation
Maintenance
workstation
in the AviMet systems; contains the
system
maintenance applications
.
ROA
Remote Object Architecture. System architecture used in AviMet data
handling procedures.
ROA object
A component of the
ROA
architecture. A runtime container for data
coming from the sensors. Created by a
ROA process
. Can be used by
the system to create new objects or displayed in
end-user applications
.
ROA process
A component of the
ROA
architecture. A system service that creates
and manages
ROA objects
.
service mode
See
command mode
.
single-CDU system An AviMet system with one
CDU
, with or without
workstation
s. See
also
duplicated system
.
site
The location at which weather data is measured. In other words, the
location of a sensor in the field, or the location of a
data collector
with
several sensors connected to it.
sound alarms
An optional feature in several AviMet applications.
stored data
Data that the system stores in
ASCII Log View
, in contrast to
current
data
.
support LLWAS
processing status
A data status displayed in the LLWAS screen in the
Weather View
application. The status indicates that the number of inactive sensors
exceeds the preconfigured limit and windshear and microburst alerts
cannot be provided. See also
normal LLWAS processing status
and
degraded LLWAS processing status
.
system
configuration
The way AviMet systems are customized during
system delivery
.
system delivery
The installation and configuration of the AviMet systems by Vaisala.
During the delivery, the system is customized to meet the local
requirements.