Register to Purchase

Construction/Survey: $1650 annually      Ag/Mapping: $750 annually

Are you a current Butler customer?
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What type of license?
Precision Ag/MappingConstruction/Survey

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Format: (see below for descriptions)

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CMR – Trimble’s original format. Initially this was a proprietary format. Today it is rarely used unless you have legacy equipment that doesn’t support anything newer.

CMR+ – The second generation of Trimble’s CMR. It features a more compact message structure than CMR had. The GPS portion of this protocol was originally Trimble proprietary, but was later released and has become a widely used standard.

CMRX – This is the latest correction data format from Trimble, offering even more data compression.

RTCM v3.2 – The newest data format from RTCM, which has better data compression and message integrity than version 2.x had. Version 3.1 added support for Network RTK via the Master Auxiliary concept. Still an open standard, this format is used by most modern receivers other than Trimble.