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Headshot: William Tewelow

About William Tewelow, GISP

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William Tewelow is a manager for the Federal Aviation Administration (FAA). He is a graduate of the FAA management fellowship program and a mentor with the FAA's National Mentor Program. While on special assignment to the U.S. Department of Transportation, Tewelow led the project to crowdsource the National Address Database for the White House Open Data Partnership. He is a geographic information systems professional (GISP) and a Maryland Scholar STEMnet speaker. He has a degree in geographic information technology and intelligence studies from American Military University and is currently enrolled earning a degree in Organizational Leadership. Tewelow retired from the U.S. Navy after serving 23 years as a geospatial and imagery intelligence specialist, a naval aviator, a meteorologist and a tactical oceanographer. He was among the first in the nation to earn a Geospatial Specialist Certification from the U.S. Department of Labor while working at NASA Stennis Space Center in Mississippi.

Posts by William Tewelow, GISP

GIS helps archaeologists trace a mother’s journey Posted on 24 Nov 2021 in the Featured Stories & Mapping & Opinions categories.

“The tasks of paleontologists and classical historians and archaeologists are remarkably similar — to excavate, decipher and bring to life the tantalizing remnants of a time we will never see.”... Read more»

How public safety GIS saves us when disaster strikes Posted on 11 Nov 2020 in the Defense & Featured Stories & Mapping & Opinions categories.

Tenacity of spirit is one of the great virtues. Supporters of geospatial technology have often had to endure steadfast resolve convincing others of the multi-dimensional value GIS provides. It is... Read more»

The evolution of GPS satellites and their use today Posted on 16 Sep 2020 in the Opinions categories.

Sixty-three years ago, on Friday, Oct. 4, 1957, the Space Age began — most everyone alive today is a progeny. The Soviet Union sent a shiny, metal, beach-ball-sized sphere into... Read more»

A new era begins with geospatially based aviation Posted on 06 Jan 2020 in the Opinions & Transportation categories.

At any given moment, more than 5,000 airplanes are flying over the United States. In a single year, nearly 778 million passengers will take to the skies — more than... Read more»

A straightforward explanation of oblique Posted on 01 Aug 2019 in the From the Magazine categories.

How are oblique views derived from aerial imagery? Typically, a camera takes a field of view of 120 degrees (+/– 60 degrees either side of centerline). The nadir is straight... Read more»

Drones, swarms, artificial intelligence and virtual reality now rule Posted on 10 May 2017 in the Defense & Opinions & UAV/UGV categories.

Add small sats, gamification and nanotechnology, and you've got a bunch of powerful new drivers pushing out geospatial frontiers in every direction. These exciting tools are opening up new market sectors and bringing powerful techniques to military and other applications. Read more»