# ISO 18423:2013 — Withdrawn and superseded ISO standards

For ISO 18423:2013, item title is Space data and information transfer systems — Pseudo-Noise (PN) Ranging Systems; status code is 9599; successor is ISO 18423:2015; withdrawn / published date is 2013-05-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 18423:2013 _(verified: appears in the quote below)_
- **Item title:** Space data and information transfer systems — Pseudo-Noise (PN) Ranging Systems _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 18423:2015
- **Withdrawn / published date:** 2013-05-29 _(verified: appears in the quote below)_

## What the source says

> 62447,IS,,ISO 18423:2013,Space data and information transfer systems — Pseudo-Noise (PN) Ranging Systems,Systèmes de transfert des informations et données spatiales — Systèmes de mesure du pseudo-bruit,2013-05-29,1,['49.140'],ISO/TC 20/SC 13,9599,,[67086],['en'],37,"<p>ISO 18423:2013 provides a Recommendation for Space Data System Standards in the area of transparent and regenerative Pseudo-Noise (PN) ranging systems. The PN ranging system is used to measure the round-trip light time between a ground station and a spacecraft. Regenerative ranging is primarily relevant for low Signal-to-Noise Ratio (SNR) cases like those seen in deep space missions; transparent ranging is more suitable for hi

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).