u-blox u-center 21.02 User Manual
u-center 21.02
GNSS evaluation software for Windows
Release note
Abstract
This release note contains general information, features,
improvements, changes and known limitations for u-center 21.02.
www.u-blox.com
UBX-21009381 - R01
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u-center 21.02-Release note
Document information
Title u-center 21.02
Subtitle GNSS evaluation software for Windows
Document type Release note
Document number UBX-21009381
Revision and date R01 29-Mar-2021
Document status
Disclosure restriction C1-Public
u-blox or third parties may hold intellectual property rights in the products, names, logos and designs included in this
document. Copying, reproduction, modification or disclosure to third parties of this document or any part thereof is only
permitted with the express written permission of u-blox.
The information contained herein is provided "as is" and u-blox assumes no liability for its use. No warranty, either express
or implied, is given, including but not limited to, with respect to the accuracy, correctness, reliability and fitness for a
particular purpose of the information. This document may be revised by u-blox at any time without notice. For the most recent
documents, visit www.u-blox.com.
Copyright © 2021, u-blox AG.
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u-center 21.02-Release note
Contents
1 General information.............................................................................................................. 4
1.1 Released files........................................................................................................................................... 4
1.2 Version and checksum of files............................................................................................................. 4
1.3 Released documentation.......................................................................................................................4
2 Features....................................................................................................................................5
2.1 Supported Microsoft Windows versions............................................................................................5
2.2 Supported receiver generations...........................................................................................................5
2.3 Supported protocol specification version.......................................................................................... 5
2.4 External hardware support....................................................................................................................5
2.5 Multiple GNSS AssistNow Service...................................................................................................... 5
2.6 Debug messages.....................................................................................................................................5
3 Improvements and changes...............................................................................................7
3.1 Version 21.02........................................................................................................................................... 7
3.2 Version 20.10........................................................................................................................................... 7
3.3 Version 20.06.01..................................................................................................................................... 7
3.4 Version 20.01........................................................................................................................................... 8
3.5 Version 19.12........................................................................................................................................... 8
3.6 Version 19.11.01..................................................................................................................................... 8
4 Known limitations..................................................................................................................9
4.1 Known issues........................................................................................................................................... 9
5 Licenses..................................................................................................................................10
5.1 Licenses.................................................................................................................................................. 10
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u-center 21.02-Release note
1 General information
The u-center GNSS evaluation software for automotive, mobile terminal and infrastructure
applications provides a powerful tool for evaluation, performance analysis and configuration of the
u-blox GNSS receiver.
1.1 Released files
The following table lists the files that have been released.
File Description
u-center_v21.02.exe u-center installer including u-blox CDC-ACM (USB) (x64 bit)
driver v1.2.0.8 for Windows 7 and 8
u-center-v21.02_ReleaseNote_(UBX-20048354).pdf Release note
u-center_UserGuide_(UBX-13005250).pdf User guide
For Windows 10, the CDC-ACM (USB) driver from Microsoft should be used, which is
available from Windows Update.
u-blox Sensor and VCP drivers are deprecated, so they have been removed from the release
package.
1.2 Version and checksum of files
The following table lists the versions and the checksums of the Released files.
File Version MD5
u-blox GNSS Standard Driver for Windows 1.2.0.8
u-center.exe 21.02 15a5c684c81d23001adb5448d4fe2008
bssndrpt.exe cc672cec579490e6cfb92726a81287c1
bugsplat.dll 24e4da53ab6b3b7bb924eacbd46a59ec
bugsplatrc.dll efa8f6d360edf491e1de52798bdacce6
flash.xml 200058 52dc2335917d87e9c53be2daca44a155
flash.xml_changelog.txt 458ac61a574fd0d7d56ae48dc5238265
flash.txt 101098 b49a4b5d33efa113737208e788cf3afc
NMEA.dll 21.02 21ee795fc01da970683fb7ceb6b4dfd9
paho-mqtt3c.dll 21.02 a6353c9edb1216a4ae90376b62766d72
RTCM.dll 21.02 babc307d9032691f577d6835826c30cb
sqlite3.dll 3.21.0.0 07fb6d31f37fb1b4164bef301306c288
UBX.dll 21.02 00bab93ed1d40a901703ce30c43bbd58
ubxfwupdate.exe 19.03
1.3 Released documentation
• Public release note (UBX-20048354)
• u-center user guide (UBX-13005250)
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u-center 21.02-Release note
2 Features
2.1 Supported Microsoft Windows versions
u-center 21.02 runs on Microsoft Windows Vista and later versions up to (including) Windows 10.
2.2 Supported receiver generations
u-center 21.02 supports the following receiver generations:
• u-blox 6 with ROM 6.00, ROM 6.02, ROM 7.03
• u-blox 7 with ROM 0.10, ROM 0.11, ROM 0.14, ROM 1.00
• u-blox 8/M8 with ROM 0.21, ROM 0.22, ROM 2.01, ROM 3.01
• u-blox 9 with ROM 0.30, ROM 0.40, ROM 1.01, ROM 1.02
• u-blox 10 with ROM SPG 5.00
2.3 Supported protocol specification version
u-center 21.02 supports the u-blox protocol specification from version 10.00 and later versions up
to (including) version 38.
2.4 External hardware support
The following external hardware is supported to interface with the receiver:
Interface Device DLL version
DDC/I2C Totalphase Aardvark I2C/SPI Host Adapter
DDC/I2C Diolan U2C-12 USB-I2C/SPI/GPIO Adapter
SPI Totalphase Aardvark I2C/SPI Host Adapter
SPI Totalphase Cheetah SPI Host Adapter
SPI Diolan U2C-12 USB-I2C/SPI/GPIO Adapter
aardvark.dll v5.15 for Windows 32-bit
i2cbrdg.dll v1.0.0.9 for Windows 32-bit
aardvark.dll v5.15 for Windows 32-bit
aardvark.dll v5.15 for Windows 32-bit
i2cbrdg.dll v1.0.0.9 for Windows 32-bit
2.5 Multiple GNSS AssistNow Service
u-center 21.02 includes the multiple GNSS AssistNow Service (libMGA) version 20.08.
2.6 Debug messages
The following messages will be enabled or polled when pressing the "Debug Messages" button:
• Any UBX-INF
• UBX-MON-MSGPP
• UBX-NAV-CLOCK
• UBX-NAV-PVT
• UBX-NAV-SIG
• UBX-NAV-ORB
• UBX-NAV-SAT
• UBX-RXM-SVSI (every 30 seconds)
• UBX-MON-HW (polled)
• UBX-MON-EXCEPT (polled)
• and additional u-blox debug messages
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