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Topcon Releases Firmware 4.0 on OEM GNSS Platforms

September 21, 2012
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Topcon Positioning Systems (TPS) announced the release of Firmware 4.0 on all Topcon OEM GNSS platforms. 

LIVERMORE, Calif. – Topcon Positioning Systems (TPS) announced the release of Firmware 4.0 on all Topcon OEM GNSS platforms.

The new firmware version introduces Quartz Lock Loop (QLL) technology. Designed by Topcon engineers for “superior GNSS tracking in high-vibration environments,” according to Douglas Langen, TPS product manager for GNSS systems, QLL technology is an “exclusive approach to mitigating the effects of shock and vibration through patented firmware algorithms.”

Langen said, “Most high precision GNSS receivers use crystal oscillators to establish a precise timing signal, which relies on the natural resonant vibration of a quartz crystal. This conventional approach can provide suitable performance in smooth dynamics, but when exposed to severe real-world vibration and shock, these simple systems can destabilize quickly, leading to inaccurate GNSS measurements or even complete satellite tracking failure.” 

By using advanced feedback loops, Topcon’s patented QLL “continuously monitors system behavior to detect and remove any fluctuations that may cause tracking problems – over a full range of vibration frequencies and magnitudes,” Langen said. “This allows for a clean, stable timing reference signal to be preserved through strong acceleration, vibration and bumps ­– for uninterrupted and reliable precise positioning.”

Additionally, Firmware 4.0 adds many new features and improvements, including optimization of the RTK and DION positioning engines, initialization improvements to the VISOR heading determination engine, expanded web interface features and file management improvements.

More information on QLL and other Topcon innovations is available at www.topconoemsolutions.com .

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