# ISO 17520:2016 — Withdrawn and superseded ISO standards

For ISO 17520:2016, item title is Space environment (natural and artificial) — Cosmic ray and solar energetic particle penetration inward the magnetosphere — Method of determination of the effective vertical cut-off rigidity; status code is 9599; successor is ISO 17520:2024; withdrawn / published date is 2016-04-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 17520:2016 _(verified: appears in the quote below)_
- **Item title:** Space environment (natural and artificial) — Cosmic ray and solar energetic particle penetration inward the magnetosphere — Method of determination of the effective vertical cut-off rigidity _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 17520:2024
- **Withdrawn / published date:** 2016-04-20 _(verified: appears in the quote below)_

## What the source says

> 59946,IS,,ISO 17520:2016,Space environment (natural and artificial) — Cosmic ray and solar energetic particle penetration inward the magnetosphere — Method of determination of the effective vertical cut-off rigidity,Systèmes spatiaux (naturel et artificiel) — Rayons cosmiques et pénétration de particule énergétique solaire dans la magnétosphère — Méthode de détermination de la rigidité de coupure verticale effective,2016-04-20,1,['49.140'],ISO/TC 20/SC 14,9599,,[82392],['en'],11,"<p>ISO 17520:2016 describes the effective vertical cut-off rigidities of charged particles for near-Earth space and establishes principal requirements for their calculation. In Annex A, the calculation technique is

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).