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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

Dec 8, 2025
Dec 8, 2025
36 min
Tyler Erickson from VorGeo joins us to talk about foldable paper maps, working with remotely sensed data at a technology non-profit, the founding of MichiganView, open Landsat data, Google Earth Engine, Tyler’s time working at Google on the Earth Engine project, the founding of VorGeo and the work being done there, CTrees and above-ground biomass measurement, OpenET and water data, SAR data, SatCamp, advanced machine learning techniques, foundation models and embeddings, geospatial applications of large language modules, and much more. Show notes and photos are available at: https://americaview.substack.com

Dec 1, 2025
Dec 1, 2025
35 min
Nancy French from the Michigan Tech Research Institute at Michigan Technological University joins us to talk about the Environmental Research Institute of Michigan (ERIM), SAR applications, field data in conjunction with radar remote sensing to analyze fire effects, the Bettles fire in Alaska, MichiganView, wildfires and remote sensing, wildfire smoke and health, estimating fuel consumption, fuel moisture monitoring, and much more. Show notes and photos are available at: https://americaview.substack.com

Nov 24, 2025
Nov 24, 2025
35 min
JB Sharma from the University of North Georgia joins us to talk about JB’s transition from a physics background to geospatial technologies, grassroots STEM literacy, how to get students interested in remote sensing, JB’s work with AmericaView, AI-based techniques for handling the volume of remote sensing data, deep learning, GEOBIA for classifying UAS data, learning communities in online learning, ASPRS, and much more. Show notes and photos are available at: https://americaview.substack.com

Nov 17, 2025
Nov 17, 2025
41 min
Joseph Kerski from Joseph Kerski LLC, University of Denver and Auburn University joins us to talk about growing up in a motel in western Colorado, making maps as a kid that included address ranges, working at USGS, being part of the Esri Education team, Joseph’s passion for teaching geography, spatial thinking concepts, multidisciplinary teaching, mathematics and spatial thinking, teaching with geospatial and developing a general public course, new education projects, and much, much more. Show notes and photos are available at: https://americaview.substack.com

Nov 10, 2025
Nov 10, 2025
31 min
Lisa Wirth, the Program Director of AmericaView, joins us to talk about Lisa's graduate work in Fisheries in Alaska, tagging fall chum salmon on the Yukon River, having field instruments freeze up, tracking fish with radiotelemetry, thermal remote sensing of rivers, using SAR imagery in Alaska, using a FLIR camera on a Cessna, the Alaska Geobotanical Center, AlaskaView, Augmented Reality sandboxes, managing all of the StateViews of AmericaView, and much more. Show notes and photos are available at: https://americaview.substack.com

Nov 3, 2025
Nov 3, 2025
49 min
This is Round Two of our special “Squared Circle” episodes, where a group of guests gets together to wrestle with a particular topic. For this episode, we're joined by Dr. Donna Delparte from the University of Idaho, Dr. Bruce Millett from South Dakota State University, and Dr. Lance Yarbrough from the University of Mississippi, and we're discussing all things drones. We talk about the state of the union of drones today, the impact of the National Defense Authorization Act (the NDAA) and the American Security Drone Act on drones, sensors, and data collection, the Blue List and the Green List for UAS and sensors, the future of drones in research and education, and much more. Show notes and photos are available at: https://americaview.substack.com

Oct 27, 2025
Oct 27, 2025
43 min
Geoff Bland, Andy Henry, Lisa Ogiemwonyi, and Sallie Smith from the NASA AREN (Aerokats and Rover Education Network) team join us to talk about the beginnings of the AREN project, Aerokats and remote sensing via kites, flying the first educational UAS with sensors on the Channel Islands of California, RSESTeP, ICARUS, incorporating remote sensing into K-12 classrooms, place-based education, the development of Aeropods, the various camera systems and sensors that can be used on Aeropods, high resolution imagery from kites, looking at change over time in imagery, collecting air quality data, teacher training in the AREN workshops, local community projects, operations and teamwork, and much more. Show notes and photos are available at: https://americaview.substack.com

Oct 20, 2025
Oct 20, 2025
37 min
Robbyn Abbitt from Miami University joins us to talk about working at an underground storage tank unit in Indiana, planning to work outside in Idaho but being assigned to an indoor GIS lab, the concept of lumping and splitting, getting hired as the GIS Coordinator for Miami University, the Ohio GIS Conference, Robbyn’s work with the original Gap Analysis Program and NHD, the Blue Line Program, the OGRIP Council, using drones in the classroom, digital twins, and much more. Show notes and photos are available at: https://americaview.substack.com
