# Ionospheric effects in uncalibrated phase delay estimation and ambiguity-fixed PPP based on raw observable model

> Research article (Journal of Geodesy, 2015) · cited 63× · AI/ML

**Wikidata**: [openalex:W2080040593](https://www.wikidata.org/wiki/openalex:W2080040593)  
**Source**: https://4ort.xyz/entity/ionospheric-effects-in-uncalibrated-phase-delay-estimation-and-ambiguity-fixed-ppp-based-on-raw-observable-model