# UK SBS PR17065 North Seeking Attitude Heading Reference System \(AHRS\)

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: [UK SHARED BUSINESS SERVICES LIMITED](/buyers/uk-shared-business-services-limited/contract-awards)
- Contract winner: iXblue SAS
- Award value: £138,000
- Tender value: £150,000
- Award date: 10 October 2017
- Published: 21 March 2018
- Contract start: 1 January 2018
- Contract end: 1 January 2019
- Stage: awarded
- Procurement category: goods
- Notice ID: 452df762-fac5-4636-8da1-ef91a049752f-206568
- OCID: ocds-b5fd17-371dec9d-c920-4fd3-a91d-850a6d324d61

## Description

CLOSING TIME FOR BIDS IS 30/06/2017 AT 14:00 HOURS DO NOT APPLY DIRECTLY TO THE BUYER\. To express your interest in this opportunity please email ExpressionOfInterest@crowncommercial\.gov\.uk\. To register on our e-sourcing portal click on https://gpsesourcing\.cabinetoffice\.gov\.uk and follow the link "Supplier eSourcing Registration"\. Specification Background Operation and Error Sources The primary purpose of the system is to provide as accurate as possible heading estimates in real time to the AUV system\. Update rate should be 1 Hz minimum\. Roll and pitch information is also needed by the AUV, but for the applications considered, the accuracy required for these will pose no significant technical challenge\. The AHRS system will be provided with velocity updates, but as the AUV will not be within DVL bottom track range at all times \(when it will rely on speed through the water measurements\), the system performance accuracy must be characterised for a given \(unknown at run time\) error in the velocity aiding\. Furthermore, although the system will be provided with position updates, there will be occasions when position error \(critically, the latitude error\) is moderately large\. Therefore the system must be characterised for moderate latitude errors\. The AHRS must be declared to operate at, and with accuracy characterised at, high latitudes, with the unit is aided with erroneous velocity \(or speed\) and latitude\. Additional information: DO NOT APPLY DIRECTLY TO THE BUYER BUYER CLOSING TIME FOR BIDS IS 30/06/2017 AT 14:00 HOURS\. As part of the strategic alliance between UK Shared Business Services \(UK SBS\) and Crown Commercial Service \(CCS\), UK SBS can use the CCS eSourcing Suite for future procurements\. If you have not yet registered on the eSourcing Suite, this can be done online at https://gpsesourcing\.cabinetoffice\.gov\.uk by following the link "Supplier eSourcing Registration"\. Please note that, to register, you must have a valid DUNS number \(as provided by Dun and Bradstreet\) for the organisation you are registering, who will be entering into a contract if invited to do so\. Once you have registered on the eSourcing Suite, a registered user can express an interest for a specific procurement\. This is done by emailing ExpressionOfInterest@crowncommercial\.gov\.uk\. Your email must clearly state: the name and reference for the procurement you wish to register for; the name of the registered Bidder; and the name and contact details for the registered individual sending the email\. Crown Commercial Service will process the email and then enable the bidder to access the procurement online via the e-Sourcing Suite\. The registered user will receive a notification email to alert them once this has been done\. The Sourcing documents can then be assessed on the eSourcing Suite at: https://gpsesourcing\.cabinetoffice\.gov\.uk using the instructions detailed in the Specification documents with Contracts Finder\.

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/452df762-fac5-4636-8da1-ef91a049752f-206568)