# ISO 21459:2006 — Withdrawn and superseded ISO standards

For ISO 21459:2006, item title is Space data and information transfer systems — Proximity-1 space link protocol — Coding and synchronization sublayer; status code is 9599; successor is ISO 21459:2015; withdrawn / published date is 2006-07-05, recorded from its source on 2026-08-05.

- **Identifier:** ISO 21459:2006 _(verified: appears in the quote below)_
- **Item title:** Space data and information transfer systems — Proximity-1 space link protocol — Coding and synchronization sublayer _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 21459:2015
- **Withdrawn / published date:** 2006-07-05 _(verified: appears in the quote below)_

## What the source says

> 40247,IS,,ISO 21459:2006,Space data and information transfer systems — Proximity-1 space link protocol — Coding and synchronization sublayer,Systèmes de transfert des informations et données spatiales — Protocole pour liaisons spatiales de proximité 1 — Sous-couche de codage et synchronisation,2006-07-05,1,['49.140'],ISO/TC 20/SC 13,9599,,[67093],['en'],25,"<p>Proximity space links are defined to be short-range, bi-directional, fixed or mobile radio links, generally used to communicate among probes, landers, rovers, orbiting constellations, and orbiting relays. These links are characterized by short time delays, moderate (not weak) signals, and short, independent sessions.</p><p>ISO 21459:20

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).