TerraClear Blog

Oct 6, 2026

GPS for Rock Picking: Phone vs. Receiver vs. RTK

Key takeaways A phone or tablet works fine with a TerraClear Rock Map. Under open sky, it gets you within about 6 to 20 ft of each rock. A dedicated GPS receiver gets you closer, to about 1 ft, and updates your position up to 10 times a second. RTK gets you closest. With corrections, […]

Sep 28, 2026

Fall Rock Mapping: Map Rocks After Harvest

Key takeaways Fall rock mapping means flying a field after harvest to map the surface rock 8″ and larger while the combine is parked and your crew still has time. Fly after your last fall tillage pass, or on stubble you won’t work again this fall. Working the ground after the flight changes what’s on […]

Sep 9, 2026

Weed Mapping 101: Spray Less Herbicide, Same Control

Weed Mapping 101: How a Precision Map Cuts Herbicide Without Cutting Control A weed map is not a picture of your field. It is a spray plan your sprayer can run. Here is how it gets built, what the research says it saves, and where it pencils out on corn and soybeans. Key takeaways What […]

Sep 4, 2026

What Is Rock Mapping in Precision Agriculture?

What Is Rock Mapping in Precision Agriculture? Two very different jobs go by the name rock mapping. One is a branch of earth science. The other is a field operation you can run on your farm. Here is the difference, and what a rock map is actually good for between harvest and planting (or even […]

Apr 2, 2026

TerraClear Appoints Eric Rombokas as Director of Robotics and Hardware

https://www.linkedin.com/in/eric-rombokas-2589099/Issaquah, WA — TerraClear is excited to announce that Eric Rombokas has joined the leadership team as Director of Robotics and Hardware. With over 15 years of experience developing autonomous systems for complex, unstructured environments, Eric will spearhead the evolution of TerraClear’s robotics and autonomy platforms as the company expands into large-acre row crops. A […]

Apr 1, 2024

TerraClear Inc. Adds $15M to Fuel Growth and Integrate AI Technology Across End-to-End Rock Management

Today we are pleased to report that TerraClear’s existing investors have poured an additional $15M into capturing the untapped $2.7B rock management market.  In 2023 we solved the remaining mechanical and software challenges. 2024 and beyond are focused on bringing these well-heeled solutions to every farmer, with a continued focus on increasing efficiency and reducing […]

Apr 27, 2023

Precision Agriculture: The Latest Innovations and Technologies

In recent years, the field of agriculture has seen remarkable advancements in technology, leading to what is now called precision agriculture. Precision agriculture is a modern farming practice that uses technology to collect and analyze data, allowing farmers to make better decisions and improve crop yields. The industry has seen an explosion of innovation in […]

Nov 3, 2021

Our Company Story

How We Began TerraClear founder Brent Frei spent decades founding and leading successful technology companies, like Smartsheet (NYSE: SMAR), Onyx Software, and HarvestWest Investment fund. But like others born into a close-knit farming community, his heart never left Grangeville, ID. When he returned to his hometown, his prior successes counted little to his standing on […]

Apr 28, 2021

Rock Picking Made Easy, Eliminate Handpicking For Good!

The TerraClear Rock Picker is designed to fill a gap in what is available today for farmers to pick rock from fields. Eliminate handpicking for good! The days of having young, readily accessible labor to help pick rock by walking along side ATV’s or tractors picking rock is no more. Therefore, finding ways to work […]