MiRTK: internet-enabled GNSS corrections

By on 17 June, 2020

MiRTK can connect up to ten survey rovers or machines in standard form. Image: Position Partners.

Position Partners has announced the launch of MiRTK, an open architecture corrections service for GNSS equipment.

MiRTK is an internet-based GNSS corrections service, an alternative to traditional UHF- or RTK-based corrections services, operating via a small modem that fits into the accessory slot of a tripod.

Cameron Waters, geospatial business manager at Position Partners, says that the MiRTK system is open architecture — compatible with all brands and models of GNSS from manufacturers including Topcon, Trimble, Leica Geosystems, Sokkia, and Hemisphere.

“Until now, users that rely on high precision GNSS for applications such as surveying and machine control had no option but to use UHF radios or a network RTK solution,” he said.

“Anyone that’s had to rely on UHF radio frequencies will have experienced problems, including interference, range limitations, costly licensing and severe penalties for breaching licensing laws. MiRTK offers an alternative that is refreshingly simple: no repeaters, no line of sight issues and no complex licensing.”

The MiRTK system is only limited by the Telstra network, not the GNSS base station, does not need line of sight with the survey rover or machine, and utilises a single corrections protocol for all brands of GNSS equipment on site, according to Mr. Waters.

“MiRTK uses NTRIP and a user selectable format such as RTCM3 or CMR, that can be used universally regardless of the brand or model of equipment,” he said.

“Users enjoy full speed, full constellation connectivity without the complex radio settings, baud rates, bandwidth or scrambling problems that you get when trying to utilise different GNSS systems with UHF radios.”

The system can operate for 20 hours on a charge, with a standard allocation of up to ten survey rovers or machine control systems, which can be scaled up as needed.

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