The VERTEX Plus Collar
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© 2017 VECTRONIC Aerospace GmbH
Figure 5: Globalstar Coverage Map 2016
Each GPS position data is sent by the collar (1-2 Fixes per message). Data is sent out
3 times to increase transmission probability but data reception is not confirmed by the
satellites. The satellite sends the data to a base station on ground which forwards it via
web to our system. It is possible that transmissions are blocked (e.g. thick canopy, bad
angle towards sky etc.) and do not reach the satellites and thereby you. Data which are
sent to our server can be downloaded by HTTP service of your GPS Plus X software.
Another way to receive the data is by email. You always can get the full data set by
downloading it after retrieving the collar via the USB to VERTEX Plus Interface cable.
NOTE:
In the User Configuration of GPS Plus X software you can set a skip count to
exclude some fixes from the data satellite transmission pool to receive fewer messages
and thereby extend the collar lifetime (e.g. skip count 2 means sending only every third
fix, all data will be stored in the collar). A skip count potentially reduces the collar
messages you receive up to getting no data (e.g. high GPS skip count in a very
unsuitable habitat such as dense forest).
3.3.3
GSM Communication
GSM uses the SMS service of mobile phone providers. The GSM communication is a 2-
way communication, which means you receive GPS data from the collar and can send
new commands and schedules remotely to the collar. GPS and mortality data will be
Содержание VERTEX Plus Collar
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