S321 User Guide Chapter 1 - Introduction
Page 4 of 65
SureFix RTK Position
To provide high fidelity quality indicators to the users, Hemisphere created an additional
processor that runs in combination with the RTK engine, called the SureFix processor.
The SureFix processor takes several inputs, such as GNSS data, data preprocessing results, and
generated RTK solutions. The SureFix processor takes all available information and, by using
functional and stochastic analysis methods, determines the quality of the current RTK engine
solution. These are shown as “SureFix quality indicators”. The SureFix indicators are then
combined with the RTK solution before being provided to the user. At the end of the process, the
user has access to high fidelity information about the quality of the RTK solution.
What’s Included in your Kit
As per Table 1.1 below, the S321 is available in a variety of kits, with supplementary products
sold as “controller/option kits”, “accessory kits” or simply as separate accessories. Contents can
change without prior notice. Check the official price list to confirm contents.
Important: Charge your Li-on battery upon receipt of shipment. According to the 2017 IATA
Dangerous Goods Regulations and supplemental IATA Lithium Battery Guidance, batteries must
be charged to less than 30% to meet international air freight requirements.
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