Table2 is test results of check-in function (2015.10.14 -
11.7). It was recorded 559 check-in by river warden. River
warden records check-in at check-in location using the River
Information Applications. River administrator confirmed the
check-in of river warden by the Post Management System.
Check function utilizes the GPS function of the smartphone.
Check-in function is affected by the performance of smartphone.
The performance of smartphone is GPS reception
conditions and the accuracy of the GPS function. It was
confirmed that the functioning properly for the check-in
function of the River Information Management System.