South Korea, sex offender to install 'GPS wheel' with GPS built in for 10 years

According to the Kyodo news report, it is said that a bill incorporating incorporating GPS (Satellite Use Positioning System) built-in "foot ring" for up to 10 years to a human who repeats sexual crime in Korea was passed.

This will allow the sex offender's whereabouts to always be grasped.

Details are as below.
Electronic foot ring to sexual offenders

According to this article, it seems that from September, the law will be enforced that puts a foot ring equipped with GPS for up to 10 years to people who repeat sexual crimes passed by the National Assembly in Korea.

Although it is said that the installation period was up to 5 years at the initial schedule, it is said that it was revised up to 10 years, as a girls elementary school student was sexually assaulted and incidents of being murdered, etc. I will.

In addition, already in the United States the address etc etc will be opened to the public even after the person convicted of sexual offense finishes the sentence termSex criminals information disclosure law (so-called Megan law)ReceivingThere are an increasing number of states that are obliged to monitor sex offenders over the lifetime by GPSBesides, from April in JapanLiberal Democratic Party is starting to considerThat's right.

By the way, if only GPS is used, radio waves from the satellite will not reach in the basement, indoors, etc, and it is possible that the position information can not be acquired accurately, but in order to get thoroughly, Au's acquisition of location information using radio waves from the phone base station "GpsOneIs it necessary to install a technology like "?