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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.
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

Monday Feb 02, 2026
The Word Was Provenance with Jason Tullis
Monday Feb 02, 2026
Monday Feb 02, 2026
Jason Tullis from the University of Arkansas joins us to talk about finding fossils in the mountains, the question of seeing a moon in a blue sky, attending school in England, being introduced to GIS in the US Forest Service summer program, mapping with aerial photos, cold-calling the University of South Carolina for graduate work, a choice between the CIA or academia, the importance of data provenance, remote sensing imagery and provenance, basic science on Mars, data replicability, a technical geography concentration in the geosciences, renaming remote sensing, the four futures, space exploration, and much more. Show notes and photos are available at: https://americaview.substack.com

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