Mbé vs Waitakere Ranges

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In computer science, group coded recording or group code recording (GCR) refers to several distinct but related encoding methods for representing data on magnetic media. The first, used in 6250 bpi magnetic tape since 1973, is an error-correcting code combined with a run-length limited (RLL) encoding scheme, belonging into the group of modulation codes.

The others are different mainframe hard disk as well as floppy disk encoding methods used in some microcomputers until the late 1980s. GCR is a modified form of a NRZI code, but necessarily with a higher transition density.

Source: Wikipedia

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The Waitākere Ranges and its foothills and coasts comprise an area of some 27 720 ha of public and private land located between metropolitan Auckland and the west coast of Waitakere City and Rodney District. The area is of local, regional, and national significance. The Waitākere Ranges include a chain of hills in the Auckland Region, generally running approximately 25 km (15.5 mi) from north to south, 25 km west of central Auckland, New Zealand. The Waitākere Ranges are part of the Waitākere Ranges regional park.

The ranges and surrounding areas were traditionally known to local Māori as Te Wao Nui o Tiriwa (The Great Forest of Tiriwa). From 1 May 2018 the forested areas of the Waitākere Ranges Regional Park were closed, with some exceptions while Auckland Council upgraded the tracks to dry foot standard to prevent the spread of potential disease and protect tree roots. But many are now marked as permanently closed and their future is uncertain.

Source: Wikipedia