ISO 14962:1997

Space data and information transfer systems — ASCII encoded English

Systèmes de transfert des informations et données spatiales — Codage ASCII de l'anglais

General Information

• Status: Published
• Publication Date: 17-Dec-1997
• ICS: 49.140 - Space systems and operations
• Technical Committee: ISO/TC 20/SC 13 - Space data and information transfer systems
• Drafting Committee: ISO/TC 20/SC 13 - Space data and information transfer systems
• Current Stage: 9060 - Close of review
• Completion Date: 04-Jun-2030

Overview

ISO 14962:1997 - "Space data and information transfer systems - ASCII encoded English" formalizes the use of ASCII-encoded English for exchange of textual data in space systems. It adopts CCSDS 643.0-B-1 (November 1992) and defines the character set, control-character interpretation and presentation rules so that human-readable English content (descriptions, labels, tables, figures, logs) is consistently encoded, transmitted and displayed across spacecraft and ground systems.

Key topics and technical requirements

• Adoption of CCSDS recommendation: ISO 14962 incorporates CCSDS 643.0‑B‑1 as the normative reference for ASCII encoded English in space data systems.
• Character set: Use of 7‑bit ASCII characters embedded in an 8‑bit field (most significant bit set to zero), consistent with ISO/IEC 646:1991.
• ADID identifier: The language/format identifier used is ADID = CCSD0002 (ASCII encoded English).
• Inactive/shaded characters: Certain ASCII positions are designated as without effect for presentation; these characters should not be displayed or printed.
• Control-character presentation rules:
  • Line termination is standardized: interpreted from combinations of CR (carriage return) and LF (line feed) in defined ways (CR alone, LF alone, CR+LF, LF+CR as specified).
  • Horizontal tab (HT) advances to the next tab stop at multiples of 8 character positions (0, 8, 16, 24, ...).
  • Form feed (FF) moves to the top of the next page/screen; page length is device-defined.
  • Devices may need to adjust presentation when device constraints (e.g., line length) conflict with data layout.
• Presentation guidance: For data where fixed alignment matters (tables, ASCII art), a fixed‑width font is recommended.

Applications and who uses it

ISO 14962 is intended for use by organizations and professionals involved in space data exchange and interoperability, including:

• Spacecraft systems engineers and mission architects
• Ground-segment developers and telemetry/telecommand software teams
• Data format designers using Standard Formatted Data Units (SFDU)
• Instrument teams creating human-readable metadata, logs and reports
• Standards bodies and agencies coordinating multi-agency missions (NASA, ESA, CNES, etc.)

Typical practical uses:

• Encoding human-readable fields in mission data packets and SFDU payloads
• Ensuring consistent rendering of ASCII tables, logs and diagnostic output across heterogeneous platforms
• Facilitating international interoperability and archival of mission textual data

Related standards

• CCSDS 643.0‑B‑1 (Recommendation: ASCII encoded English) - normative source adopted by ISO 14962
• ISO/IEC 646:1991 - character set reference for international 7/8‑bit codes
• CCSDS 620.0‑B‑2 and 621.0‑G‑1 - SFDU structure and tutorial referenced for integrating ASCII content into formatted data units

Keywords: ISO 14962, ASCII encoded English, CCSDS 643.0‑B‑1, space data systems, SFDU, ISO 646, space telemetry, data interoperability.

Standards Content (Sample)

INTERNATIONAL
IS0
STANDARD 14962
First edition
1997-12-15
Space data and information transfer
systems - ASCII encoded English
Systkmes de transfet? des informations et don&es spatiales - Codage
ASCII de I’anglais
Reference number
IS0 14962:1997(E)
IS0 14962: 1997(E)
Foreword
IS0 (the International Organization for Standardization) is a worldwide
federation of national standards bodies (IS0 member bodies). The work of
preparing International Standards is normally carried out through IS0
technical committees. Each member body interested in a subject for which
a technical committee has been established has the right to be represented
on that committee. International organizations, governmental and non-
governmental, in liaison with ISO, also take part in the work. IS0
collaborates closely with the International Electrotechnical Commission
(IEC) on all matters of electrotechnical standardization”
Draft International Standards adopted by the technical committees are
circulated to the member bodies for voting. Publication as an International
Standard requires approval by at least 75 % of the member bodies casting
a vote.
International Standard IS0 14962 was prepared by Technical Committee
lSO/TC 20, Aircraft and space vehicles, Subcommittee SC 13, Space data
and information transfer systems.
0 IS0 1997
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from the publisher.
International Organization for Standardization
Case postale 56 l CH-1211 Geneve 20 l Switzerland
Internet central @? iso.ch
x.400 c=ch; a=400net; p=iso; o=isocs; s=central
Printed in Switzerland
ii
INTERNATIONAL STANDARD @ IS0 IS0 14962: 1997(E)
Space data and information transfer systems - ASCII encoded
English
1 Scope
This International Standard specifies the requirements for ASCII encoded English for space data and information
transfer systems.
2 Requirements
The requirements are the same as the technical recommendations made in the following publication (reproduced on
the following pages), which is adopted as an International Standard:
CCSDS 643.0-B-1, November 1992, Recommendation for space data system standards - ASCII encoded English.
For the purposes of international standardization, the modification outlined below shall apply to the following pages
of publication CCSDS 643.0-B-1.
Pages iii to vi
This part contains information which is relevant to the CCSDS publication only.
Page viii
Add the following information to reference [2]:
Document CCSDS 620.0-B-2, May 1992 is equivalent to IS0 121751994.
3 Revision of publication CCSDS 643.0-B-1
It has been agreed with the Consultative Committee for Space Data Systems that Subcommittee lSO/TC 2O/SC 13
will be consulted in the event of any revision or amendment of publication CCSDS 643.0-B-1. To this end, NASA will
act as a liaison body between CCSDS and ISO.

ISO/ ‘FDIS 14962: 1997(E)
(blank page)
IS0 14962:1997(E)
Cof7sultatWie
Committee for
Space Data Systems
RECOMMENDATION FOR SPACE
DATA SYSTEM STANDARDS
ASCII ENCODED
ENGLISH
(CCSDOO02)
CCSDS 643.0-B-1
BLUE BOOK
November 1992
IISO 14962: 1997(E)
(blank page)
IS0 14962: 1997(E)
CCSDS Recommendation for ASCII Encoded English
AUTHORITY
Issue: Blue Book, Issue 1
Date: November 1992
Location: CCSDS Panel 2 Plenary,
Rockville, MD, U.S.A.
This Recommendation reflects the consensus technical agreement of the following member
Agencies of the Consultative Committee for Space Data Systems (CCSDS):
l
British National Space Centre (BNSC) / United Kingdom
Canadian Space Agency (CSA) / Canada
l
Central Research Institute of Machine Building (TsNIIMash) / Russian
Federation
Centre National D ’Etudes Spatiales (CNES) / France
Deutsche Forschungsanstalt fur Luft und Raum f ahrt (01
RI / FRG
European Space Agency (ESA) / Europe
lnstituto de Pesquisas Espaciais (INPE) / Brazil
National Aeronautics and Space Administration
(NASA) I USA
National Space Development Agency of Japan
NASDA / Japan
The following observer Agencies also concur with this Recommendation:
Chinese Academy of Space Technology (CAST) / Peoples Republic of China
Central Research Institute of Physics (GRIP) / Hungary
Department of Communication, Communications
Research Centre
(DOC-CRC) / Canada
Institute of Space Astronautics and Science (ISAS) / Japan
This Recommendation is published and maintained by:
CCSDS Secretariat
Program Integration Division, (Code-011
National Aeronautics and Space Administration
Washington, DC 20546, USA
Issue 7
November 7992
IS0 14962: 1997(E)
CCSDS Recommendation for ASCII Encoded English
FOREWORD
This document is a technical Recommendation for the standardisation of the use of ASCII Encoded
English as a data description language for the interchange of digital space-related data in an open
data system and has been prepared by the Consultative Committee for Space Data Systems
(CCSDS).
This Recommendation defines the usage of ASCII Encoded English and its representation as a data
description language. It allows implementing organisations within each Agency to proceed
coherently with the development of compatible derived Standards for space data systems and
widely dispersed data users that are within their cognisance.
Through the process of normal evolution, it is expected that expansion, deletion, or modification
to this document may occur. This Recommendation is therefore subject to CCSDS document
management and change control procedures which are defined in Reference [l].
Questi ons relating to the contents or status of this document should be addressed to the CCSDS
Secret ariat.
hue 7
November 7 992
iv
IS0 14962: 1997(E)
CCSDS Recommendation for ASClf Encoded English
STATEMENT OF INTENT
The Consultative Committee for Space Data Systems (CCSDS) is an organisation officially
established by the management of the member space Agencies. The Committee meets periodically
to address data system problems that are common to all participants, and to formulate sound
technical solutions to these problems. Inasmuch as participation in the CCSDS is completely
voluntary, the agreements of the Committee are termed RECOMMENDATIONS and are not
considered binding to any Agency.
This Recommendation is issued by, and represents the consensus of, the CCSDS Plenary body.
Agency endorsement of the Recommendation is entirely voluntary.
Endorsement, however,
indicates the following understandings:
Whenever an Agency establishes a CCSDS-related Standard, this Standard
will be in accord with the relevant Recommendation.
Establishing such a
Standard does not preclude other provisions which an Agency may develop.
a
Whenever an Agency establishes a CCSDS-related Standard, the Agency
will provide other CCSDS member Agencies with the following information:
The Standard itself.
The anticipated date of initial operational capability.
The anticipated duration of operational service.
Specific service arrangements
shall be made via memorandum of
Neither this Recommendation nor any ensuing Standard is a
agreement.
substitute for a memorandum of agreement.
No later than five years from its date of issuance, this Recommendation will be reviewed by the
CCSDS to determine whether it should: (1) rem
...

NORME IS0
INTERNATIONALE 14962
Premikre bdition
1997-12-15
Systemes de transfert des informations et
donn6es spatiales - Codage ASCII de
I ’anglais
Space data and information transfer systems - ASCII encoded English
Num&o de rkfkrence
IS0 14962: 1997(F)
IS0 44962:1997(F)
Avant-propos
L ’ISO (Organisation internationale de normalisation) est une federation mondiale d ’organismes nationaux de
normalisation (comites membres de HSO). L ’elaboration des Normes internationales est en general confiee aux
comites techniques de I ’ISO. Chaque comite membre interesse par une etude a le droit de faire Partie du comite
technique tree a cet effet. Les organisations internationales, gouvernementales et non gouvernementales, en
liaison avec I ’ISO participent egalement aux travaux. L ’ISO collabore etroitement avec la Commission
electrotechnique internationale (CEI) en ce qui concerne la normalisation electrotechnique.
Les projets de Normes internationales adopt& par les comites techniques sont soumis aux comites membres pour
vote. Leur publication comme Normes internationales requiert I ’approbation de 75 % au moins des comites
membres votants.
La Norme internationale IS0 14962 a ete elaboree par le comite technique ISOAC 20, Akronautique et espace,
sous-comite SC 13, Systemes de transfer? des informations et donnkes spatiales.
0 IS0 1997
Droits de reproduction reserves. Sauf prescription differente, aucune par-tie de cette publi-
cation ne peut etre reproduite ni utilisee sous quelque forme que ce soit et par aucun pro-
cede, electronique ou mecanique, y compris la photocopie et les microfilms, sans I ’accord
ecrit de I ’editeur.
Organisation internationale de normalisation
Case postale 56 l Cl-l-121 1 Geneve 20 l Suisse
Internet central @ isoch
c=ch; a=400net; p=iso; o=isocs; s=central
x.400
lmprime en Suisse
NORME INTERNATIONALE o IS0 IS0 14962: 1997(F)
SystGmes de transfert des informations et donnees spatiales -
Codage ASCII de I ’anglais
1 Domaine &application
La presente Norme internationale prescrit les regles pour le codage ASCII de I ’anglais pour les systemes de
transfer-t des informations et donnees spatiales.
2 Exigences
Les exigences sont les recommandations techniques stipulees dans la publication suivante qui est adoptee comme
Norme internationale:
CCSDS 643.0-B-1, November 1992, Recommendation for space data system standards - ASCII encoded
English. 1 )
Aux fins de normalisation internationale, les modifications indiquees ci-apres doivent etre appliquees aux pages
suivantes de la traduction en francais de la publication CCSDS 643.0-B-l.
Pages iii i vi
Cette partie contient des informations qui concernent la publication CCSDS seulement.
Page viii
Ajouter Vindication suivante a la reference [2]:
Le document CCSDS 620.0-B-2, mai 1992 est equivalent a I ’ISO 121751994.
3 Rhvision de la publication CCSDS 643.0-B-1
II a ete convenu avec le Comite consultatif pour les systemes de donnees spatiales (CCSDS) que le sous-comite
ISOnC 2O/SC 13 sera consulte dans I ’hentualit6 d ’une revision ou d ’un amendement de la publication
CCSDS 643.0-B-1. A cette fin, la NASA agira en tant qu ’organe de liaison entre le CCSDS et I ’ISO.
I) Une traduction en fraryais de ce document a 6th 6tablie par I ’Agence spatiale franqaise. Cette traduction est reproduite ci-
apt&.
lSO/FDIS 14962:1997(F)
(page blanche)
IS0 14962:1997(F)
Comite’ consultatif pour
/es syst&mes de don&es spatiales
Recommandation pour les normes
sur les systBmes de donn6es spatiales
L ’ANGLAIS CODE EN ASCII
(CCSDOO02)
CCSDS 643.0-B-l
LIVRE BLEU
Novembre 1992
CCSDS
IS0 14962:1997(F)
(page blanche)
IS0 14962: 1997(F)
Recommandation du CCSDS - L ‘anglais cod6 en ASCII
AUTORITk COMPiTENTES
Edition : Livre bleu, lBre edition
Date : Novembre 1992
Lieu : CCSDS, Groupe 2, Seance
pleniere, Rockville, Maryland,
f . -u .
La presente Recommandation synthetise I ’accord technique general des agences membres du Comite
consultatif pour les systemes de don&es spatiales (CCSDS), qui sont :
British National Space Centre (BNSC), Royaume-Uni
Agence spatiale canadienne (ASC), Canada
lnstitut de recherche central sur la construction de machines (TsNIIMash), Federation
russe
Centre national d ’etudes spatiales (CNES), France
Deutsche Forschungsanstalt fur Luft und Raumfahrt (DLR), Allemagne
Agence spatiale europeenne (ASE), Europe
lnstituto de Pesquisas Espaciais (INPE), Bresil
National Aeronautics and Space Administration (NASA), Etats-Unis
National Space Development Agency of Japan (NASDA), Japon
Les agences suivantes, en qualite d ’observateurs, approuvent egalement cette Recommandation :
Chinese Academy of Space Technology (CAST), Republique populaire de Chine
Central Research Institute of Physics (GRIP), Hongrie
Ministere des Communications, Centre de recherches sur les communications (MDC-
CRC), Canada
Institute of Space Astronautics and Science (ISAS), Japon
Cette recommandation est publiee et mise a jour par :
CCSDS Secretariat
Program Integration Division (code-01 )
National Aeronautics and Space Administration
Washington, DC 20546, USA
. . .
I//
1 ‘re bdition No vembre I992
IS0 14962: 1997(F)
Recommandation du CCSDS - L ‘anglais cod6 en ASCII
AVANT-PROPOS
Le present document est une Recommandation technique preparee par le Comite consultatif pour les
systemes de donnees spatiales (CCSDS) afin de normaliser I ’utilisation de I ’anglais code en ASCII en
tant que langage de description de donnees pour les echanges de donnees spatiales numeriques dans
un systeme ouvert.
Cette Recommandation definit I ’utilisation de I ’anglais code en ASCII ainsi que sa representation en tant
que langage de description de donnees. Elle permet aux organes executifs de chaque agence
d ’elaborer, de facon coherente et compatible, des normes derivees pour les systemes de donnees
spatiales et les ut~lisateurs de donnees largement disperses qui relevent de leur competence.
Au tours de I ’evolution normale de ce document, on pourra proceder, le cas echeant, a des extensions,
6 des suppressions ou a des modifications. Cette Recommandation est done soumise aux procedures
de gestion des documents et de controle des modifications du CCSDS qui sont definies dans le
document de reference [I 1.
Les questions relatives au contenu ou au statut de ce document doivent etre adressees au Secretariat
du CCSDS.
1 hre tidition iV Novembre 7992
IS0 14962:1997(F)
Recommandation du CCSDS - L ‘anglais cod& en ASCIJ
DECLARATION D ’INTENTION
Le Comite consultatif pour les systemes de donnees spatiales (CCSDS) est une organisation creee
Le Comite se reunit periodiquement afin de traiter
officiellement par les agences spatiales membres.
des problemes de systemes de donnees qui sont communs a tous les participants et de formuler des
solutions techniques adaptees a ces problemes. Attendu que la participation au CCSDS n ’est pas
obligatoire, les decisions du Comite sont appelees RECOMMANDATIONS et n ’engagent pas les
agences.
La presente Recommandation est emise par I ’AssembIee pleniere du CCSDS et represente I ’accord
general des membres du Comite. L ’adhesion d ’une agence a cette Recommandation n ’est pas
obligatoire mais elle suppose I ’acceptation des conditions suivantes :
Chaque fois qu ’une agence tree une norme qui est du ressort du CCSDS, cette norme
doit etre conforme a la Recommandation applicable. La creation d ’une norme n ’exclut
pas d ’autres dispositions qu ’une agence pourrait elaborer par ailleurs.
Chaque fois qu ’un agence tree une norme qui est du ressort du CCSDS, cette agence
doit fournir aux autres agences membres du CCSDS I ’information suivante :
La norme elle-meme.
La date prevue d ’entree en vigueur.
La duke prevue du service operationnel.
Les dispositions visant la prestation d ’un service specifique doivent etre prises par voie
Ni la presente Recommandation, ni aucune norme en
de protocoles d ’accord.
decoulant ne peuvent se substituer a un protocole d ’accord.
Cinq ans au plus tard apres sa date d ’emission, cette Recommandation sera r&i&e par le CCSDS afin
de determiner : (1) si elle peut rester en vigueur sans aucune modification; (2) si elle doit etre modifiee
afin de tenir compte de I ’incidence de nouvelles technologies, de nouveaux besoins ou de nouvelles
orientations, ou (3) si elle doit etre retiree ou annulee.
No vembre 7 992
7 ‘re &dition
IS0 14962: 1997(F)
Recommandation du CCSDS - L ’anglais cod& en ASCII
CONTR6LE DES DOCUMENTS
Date Statut/
Document Titre
Observations
Novembre 1992
CCSDS 643.0-B-1 Recommandation pour les normes 1 ‘re edition
sur les syst&mes de donnees
spatiales : L ’anglais cod6 en ASCII
(CCSD0002), Livre bleu, lbre edition
vi Novembre 1992
1 kre bdition
IS0 14962: 1997(F)
Recommandation du CCSDS - L ‘anglais cod& en ASCII
TABLE DES MATICRES
Set tions
1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1 .I Objet et domaine d ’application .
1.2 Applicabilit6 .
1.3 Utilisation .
2 DEFINITION DE L ’IDENTIFICATEUR D ’AUTORITE DE CONTROLE ET DE DESCRIPTION
DE DONNCES (ADID) = CCSDOO02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tableau
Tableau 2-1 : Jeu de caracthes codes en ASCH pour I ’ADID = CCSD0002 . . . . . . . . . . . . . . 4
vii No vembre I992
I 8re kdition
IS0 14962: 1997(F)
Recommandation du CCSDS - L ‘anglais cod6 en ASCII
BIBLIOGRAPHIE
Procedures Manual for the Consultative Committee for Space Data Systems, CCSDS AOO.O-Y-
[11
5.0, Livre jaune, 5e $dition, Cornit consultatif pour les systemes de donnees spatiales, mai
1992.
Recommendation for Space Data System Standards: Standard Formatted Data Units --
Structure and Construction Rules, CCSDS 620.0-B-2, Livre bleu, 2” edition, Cornit consultatif
pour les systemes de donnees spatiales, mai 1992 ou edition ultkieure.
Report Concerning Space Data System Standards: Standard Formatted Data Units -- A Tutorial,
CCSDS 621.0-G-1, Livre vert, lbre edition, Cornit consultatif pour les systemes de don&es
spatiales, mai 1992 ou hdition ultkieure.
Traitemen t de I ‘information - Jeu /SO de caracttkes cod&s LI 7 &men ts pour II&change
d ’information, ISO/IEC 646:1991 (E), 3e edition, Organisation internationale de normalisation,
1991-I 2-l 5.
. . .
1 8re Edition VIII
Novembre 7992
IS0 14962: 1997(F)
Recommandation du CCSDS - L ‘anglais cod& en ASCII
1 INTRODUCTION
1.1 Objet et domaine d ’application
La presente Recommandation vise a definir une methode permettant
...