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Minnesota | Glonass is the Russian Satellite system similar to the GPS satellites the US has up there. From factory Glonass is already unlocked on the 372 receiver, but you will not benefit unless you are using RTX or an RTK source that also utilizes the glonass satellites. The 372 is on top because of the extra satellite and correction sources that are available. The 262 receiver would benefit over the 252 receiver, because if you lose your correctional source (drive through trees or something, you have 40 seconds to get reconnected before you lose DGPS, where as the 252 8 seconds without receiving a signal from a correction source, you lose DGPS, (differential corrections (useable GPS signal)) | |
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