Headshot: William Tewelow

About William Tewelow, GISP

rss feed

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

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»