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In our previous post, we explained the basics of GNSS antenna calibration and the role of NGS certification. This time, we'll take a closer look at the calibration files produced by NGS—ANTEX and ANTINFO—and how these files can be understood and applied in real GNSS workflows.

In daily measurement work, we may often need to change the coordinates - like local coordinates conversion or base reference shift. Our SingularPad field surveying software provides three methods to achieve this: Localization, Calibrate Point, and Post-Measure Correction.

When we talk about GNSS precision, most users think of satellites, corrections, or receiver quality. But one of the most overlooked — and yet crucial — factors lies in the very first link of the signal chain: the antenna.

Following Part 1 (how to create code libraries) and Part 2 (using codes and managing string numbers in the field), this final post in the series explores the Fast Code functionality in SingularPad — designed to significantly speed up survey workflows that involve repeated code entry, such as road cross-sections or topographic transects.

Continuing from Part 1, where we explained how to create and manage code lists in SingularPad, this second part focuses on how to use the codes in field measurements — including selecting codes, searching, and using string numbers for linework control and export.

In high-precision GNSS positioning systems, differential data is the key to achieving centimeter-level accuracy. As modern receivers increasingly support multi-system and multi-frequency tracking, legacy differential formats are no longer sufficient. Enter MSM — Multiple Signal Messages — the standardized RTCM format developed to meet the evolving demands of high-precision GNSS applications.