ISO 24245:2023 PDF

Name: ISO 24245:2023 — Space systems — Global navigation satellite system (GNSS) receiver class codes
SKU: ISO 24245:2023
Price: 25 EUR
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Space systems — Global navigation satellite system (GNSS) receiver class codes

Название (английский):

ISO 24245:2023

Space systems — Global navigation satellite system (GNSS) receiver class codes

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 17
Дата публикации:: 20 июня 2023 г.
Издание:: ISO IS 24245 edition 1 version 1
ICS:: 49.140

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Описание (английский):

This document specifies class codes to classify global navigation satellite system (GNSS) receivers. The class codes represent how signals transmitted from radionavigation satellites are processed. This document applies to all types of GNSS receiver devices. The class codes in this document are not applicable to the following items: — condition of radionavigation satellites; — radio propagation environment including multipath, masking and obstacle; — additional antenna of a receiver device; — additional application software in a receiver device.

Abstract

Похожие стандарты

Другие стандарты ISO

Overview

ISO 24245:2023 - Space systems - Global navigation satellite system (GNSS) receiver class codes - defines a standardized set of class codes that describe how GNSS receivers process signals from radionavigation satellites. The standard applies to all types of GNSS receiver devices and codifies receiver capabilities for positioning, timing, and messaging functions. It is intended to make product selection, procurement, development and policy decisions more transparent by harmonizing how receiver signal-processing features are reported.

Key topics and technical requirements

Scope and exclusions

Applies to all GNSS receiver devices.
Not applicable to satellite condition, radio propagation environment (multipath, masking), additional external antennas, or extra application software in the receiver.

Code system

Positioning codes (examples): C10 (no augmentation), C11 (DGNSS / OSR correction), C16 (SSR correction), C20/C25/C26 (single/dual/multi-frequency or DFMC and SBAS-related classes).
Timing and messaging sections are defined separately (e.g., T1/T2 for timing, M1/M2 for messaging - see standard).
P‑series codes express input/output correction handling (e.g., P06, P11, P16, P21, P26).
An “a” suffix (for example, C10a, P11a) denotes receiver capability with GNSS signal authentication.

Key concepts defined

Code-based positioning (code-phase measurement without integer ambiguity resolution).
Phase-range (carrier-phase ranging with integer ambiguity resolution).
Distinction between OSR (observation-space representation) and SSR (state-space representation) corrections and their geographic/functional scope.

The standard includes terms, abbreviations and classification rules to determine how to label a receiver.

Practical applications

Manufacturers use the codes to describe product capabilities consistently in datasheets and marketing.

Procurement teams and system integrators compare receivers by standardized class codes rather than proprietary feature lists.

Regulators, government agencies and policy makers incorporate classification into procurement or certification frameworks.

Developers and service providers (e.g., telecom, surveying, UAS, timing infrastructure) use codes to match receiver capabilities to application requirements (single vs. dual-frequency, SSR support, authentication).

Related standards and bodies

ISO/TC 20 (Aircraft and space vehicles) prepared the document.

Related GNSS and correction standards/bodies referenced or relevant in practice: RTCM, SBAS, ICG and GNSS constellation technical specifications. (Consult ISO 24245:2023 for bibliographic details.)

Keywords: ISO 24245:2023, GNSS receiver class codes, GNSS receiver classification, SSR, OSR, DFMC, SBAS, code-based positioning, phase-range, GNSS authentication.

ISO 24245:2023 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Related standards and bodies

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