Mount Everest

Close-up view of Mount Everest. (Photo: Karin Dohmen / iStock / Getty Images Plus / Getty Images)

April 21, 2026

Peak XV: The framework that measured Mount Everest

By William Tewelow, GISP

A GNSS reference station network was established before the survey to provide data for post processing, and to support additional surveying and geophysical studies of the region. (Photo: Trimble)

July 22, 2020

Everest survey succeeds with Trimble GNSS

By Tracy Cozzens

The survey team and sherpas reach the top of the world. (Photo: CHC Navigation)

May 28, 2020

Mount Everest survey complete, results still to come

By Tracy Cozzens

The climb to the summit. (Photo: CHC Navigation)

May 27, 2020

CHC Navigation’s GNSS receivers reach Everest peak

By Tracy Cozzens

Image: BlackJack3D/E+/Getty Images

May 26, 2020

Seen + Heard: Quantum entanglement, robot dog, reversing earthquakes

By Tracy Cozzens

June 4, 2019

Nepali survey team collects Everest height data

By Tracy Cozzens

Photo: Mount Everest/Daniel Prudek/Shutterstock.com

May 22, 2019

Seen & Heard: Measuring Everest, GPS Rollover boo-boos

By Tracy Cozzens

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