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Spatial Signals is a podcast about remote sensing, GIS, and geospatial technologies - but more importantly it’s a podcast about the people who use and apply them. This podcast is sponsored by AmericaView, the national remote sensing network dedicated to empowering Earth Observation. Your hosts are Dr. Bradley Shellito from Youngstown State University and Mr. Chris McGinty, the Executive Director of AmericaView. New episodes every Monday morning.
Episodes

5 days ago
5 days ago
Amy Logan from Iowa State University joins us to talk about her borrowing a car in her college days in order to intern at the Northeast Iowa Resource and Conservation Development office, a big orange GPS backpack for mapping, community and regional planning, using ArcPad for tree mapping, OpenStreetMap, Iowa As Art, analyzing patterns in nature, Amy being the recipient of the NCGE’s 2024 Outstanding Support for Geography Education Award, involving art teachers with remote sensing imagery, and lesson plans for K-12 teachers. Show notes are available at: https://americaview.substack.com

Monday Jul 07, 2025
A Different SD Than What I Was Expecting with Bruce Millett
Monday Jul 07, 2025
Monday Jul 07, 2025
Bruce Millett from South Dakota State University joins us to talk about Bruce’s service in the US Navy as a weather observer and remote sensing, working on a SMQ-10 for satellite tracking, DIME files, Selective Availability and GPS accuracy, moving from the coast to South Dakota, wetlands simulation modeling, the impact and collaboration of the AmericaView network, workforce development, precision agriculture with UAS, and remote sensing analysis for surface water change. Show notes are available at: https://americaview.substack.com

Monday Jun 30, 2025
The First Digital Global Map with Bobbi Lenczowski
Monday Jun 30, 2025
Monday Jun 30, 2025
Bobbi Lenczowski, formerly of the National Geospatial-lntelligence Agency (NGA), joins us for a discussion of the highlights of her all-star career with her time at the Defense Mapping Agency, gathering early map data and the progression of geospatial technology, data classification and data management techniques, development of the first digital global digital map made from scanning paper maps, Bobbi’s time as Executive Director of AmericaView, her service with ASPRS, as well as her involvement with multiple geospatial initiatives in the St. Louis area, including NGA, GeoFutures, and drone training for high school students. Show notes are available at: https://americaview.substack.com

Monday Jun 23, 2025
Collecting Leaf-Level Data with Donna Delparte
Monday Jun 23, 2025
Monday Jun 23, 2025
Donna Delparte from Idaho State University joins us to talk about the circuitous route that took her from Regina, Canada through many different locales to finally end up in Pocatello, Idaho. We also talk about hazard mapping for back country skiing, underwater GIS and remote sensing, using drones for precision agriculture for detecting Potato virus Y, using drone-based lidar for mapping slope susceptibility related to landslides, workshops at the Craters of the Moon, and monitoring golden eagle nesting activity. Show notes are available at: https://americaview.substack.com

Monday Jun 16, 2025
Creating Maps One Line At a Time with Tracy DeLiberty
Monday Jun 16, 2025
Monday Jun 16, 2025
Tracy DeLiberty from the University of Delaware joins us to talk about remote sensing of deserts and arid lands, the good old days of X-terms and command-line GIS, teaching high school students with remotely sensed imagery, analyzing irrigation across Delaware, studying sea ice thickness at the north and south poles and much more. Show notes are available at: https://americaview.substack.com

Monday Jun 09, 2025
They Found All The Dinosaurs Already with Courtney Poirier Chicola
Monday Jun 09, 2025
Monday Jun 09, 2025
Courtney Poirier Chicola from the University of Louisiana at Lafayette joins us for a discussion that begins with Jurassic Park, 4-H, and her dashed dreams of being a paleontologist, and then delves into Earth As Art, teaching through art, Pecora 2022, the Rising Waters workshop, NASA Aerokats, teaching Python and GeoAI in ArcGIS, and the evolution of image classification methods and accuracy issues. Show notes are available at: https://americaview.substack.com

Monday Jun 02, 2025
The PI Is Not a Private Investigator with Robin McNeely
Monday Jun 02, 2025
Monday Jun 02, 2025
Robin McNeely from Iowa State University joins us for a discussion that begins with a blast from the past about AutoCAD, PC Arc/Info, UNIX, Sun Stations, and digitizing tables, and then delves into building a land cover dataset for Iowa, landscape ecology, Robin’s family connection with the Army Corps of Engineers, nutrient management, analyzing agriculture impacts with imagery, and teacher training workshops. Show notes are available at: https://americaview.substack.com

Monday May 26, 2025
We Need An Earth Observation Day with Rebecca Dodge
Monday May 26, 2025
Monday May 26, 2025
Rebecca Dodge from Midwestern State University joins us for a discussion about geology, ERTS (later known as Landsat 1), photographs from Skylab, working in the oil industry, Rebecca's extensive work with AmericaView including her time as its Executive Director, Texas As Art, remote sensing at the El Paso Science Festival, and the development of Earth Observation Day. Show notes are available at: https://americaview.substack.com