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UBX- 22008160 - R02

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NEO-D9S and ZED-F9
configuration

SPARTN L-band correction data reception

Application Note



Abstract

This document explains how to configure the NEO-D9S correction data receiver together with ZED-
F9 high precision modules in order to receive and use SPARTN L-band correction data.

Summary of Contents for NEO-D9S

Page 1: ...configuration SPARTN L band correction data reception Application Note Abstract This document explains how to configure the NEO D9S correction data receiver together with ZED F9 high precision module...

Page 2: ...s in the products names logos and designs included in this document Copying reproduction or modification of this document or any part thereof is only permitted with the express written permission of u...

Page 3: ...multipoint PMP configuration 6 2 2 Interface configuration 6 2 3 Functional check 7 3 ZED F9 configurations 8 3 1 L band configuration 8 3 2 Interface configuration 8 3 3 Dynamic keys 9 3 4 Functiona...

Page 4: ...o NEO D9S is a satellite data receiver for L band correction broadcasts which can be configured to work with a variety of correction services This document provides instructions on how to configure NE...

Page 5: ...n sequence diagram Configuration strings are provided in the following sections of the document for each configuration item If you are using u center the strings can be sent via a custom message Figur...

Page 6: ...CFG PMP DESCRAMBLER_INIT 23560 CFG PMP USE_PRESCRAMBLING 0 false CFG PMP UNIQUE_WORD 0xe15ae893e15ae893 Table 1 NEO D9S L band default configuration values Section 4 outlines how to obtain the L band...

Page 7: ...ablished e g via u center through UART1 or USB The L band antenna is plugged in The L band and interface configurations have been sent The UBX RXM PMP message can be used to check the received correct...

Page 8: ...6 84 When sending Flash layer configuration strings the receiver needs to be restarted to apply them in RAM 3 2 Interface configuration The UBX protocol needs to be enabled on the ZED F9 UART2 input C...

Page 9: ...82 04 00 00 10 88 08 ce 29 05 00 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX de 77 The keys are not stored in non volatile memory and will be delet...

Page 10: ...psulated in UBX RXM PMP messages are being received decrypted and used in the red square by the ZED F9 receiver Figure 8 UBX RXM COR message in u center If all these checks pass the ZED F9 receiver sh...

Page 11: ...onfiguration should be applied as mentioned at section 2 1 4 2 Setting ZED F9 keys The keys should be in the following format Figure 10 PointPerfect SPARTN Keys Once the keys have been obtained from t...

Page 12: ...select the OK button Then the keys will be loaded in the F9 receiver Figure 12 u center MQTT client and key topic The MQTT client dialog windows also include topics for providing data to the receiver...

Page 13: ...th 16 Bytes For Key 1 the fields Valid from WNO and Valid from TOW can be filled in with the current date expressed in GNSS data format while for Key 2 these fields can be filled in using the Key 1 ex...

Page 14: ...cessor The Next Key can also be updated and it will automatically be used instead of the Current key when the latter expires From the example in Figure 11 the Current Key expiration date is 01 59 Apr...

Page 15: ...guration for PointPerfect Page 15 of 17 C1 Public Figure 17 UBX RXM SPARTNKEY with Current and Next Keys entered As mentioned previously this can be sent to the receiver by clicking Send or it can be...

Page 16: ...tion Satellite System HPG High Precision RAM Random Access Memory SPARTN Secure Position Augmentation for Real Time Navigation RTK Real Time Kinematic SSR State Space Representation TOW Time Of Week U...

Page 17: ...C099 F9P application board User guide UBX 18063024 7 C101 D9S application board User guide UBX 20031865 8 Secure Position Augmentation for Real Time Navigation SPARTN Interface Control Document Versi...

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