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Text Box: Fastloc™ Argos on Grey Seal ‘Ferguson’
Text Box: Fastloc™ GSM on Grey Seal ‘Massey’
Text Box: Fastloc™ Tags

 

 

Fastloc™ tags developed by the Sea Mammal Research Unit (University of St Andrews, UK) were deployed in 2005 on Grey seals around the UK

 

 

 

 

 

 

 

 

 

 

 

 

 

The picture below highlights the Fastloc™ location data transmitted by 3 of these seals over a 6 month period.  Never before had such a quantity of location data with such spatial detail been obtained from free ranging marine mammals,  it is also the first time that GPS locations have been possible from such animals:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 Tag Life (days) Sampling Interval Unsuccessful snapshots Successful snapshots Avg SV's detected
Argos 3 131 60 mins 2183 2269 7.14
Argos 4 149 60 mins 3737 2010 6.4
GSM 1 171 15 mins 7618 6423 7

Table 1  Fastloc™ tag performance

Table 1 presents the Fastloc™ performance for the 3 tags presented in the tracks picture, it highlights the fact that 40-50% of snapshots will provide a reliable location estimate, with 1000's of locations over the tag lifetime.

Contact the Sea Mammal Research Unit for further details.

 

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Last modified: 09/26/07