Phase 1: general evaluation of the system
It was decided that only those GLT systems that had
successfully met the pass/fail criteria for test phase 1
would be allowed to progress to test phase 2. Of the
eight GLT systems that participated in test phase 1, only
two GLT systems performed well enough to progress to
test phase 2.
Phase 2: testing the systems to their limits
Evaluation of the reliability and robustness of the GLT
system, including in-depth analysis of its accuracy with
the aim of testing the various GLT systems to their limits