By Jeremy Ruben, Founder of LANDOVA Design & Planning · October 14, 2026
A backyard can look nearly level in a photograph and feel different once you start walking it. A patio may sit above the lawn. A side yard may narrow just where equipment needs to pass. The ground near a proposed pool may fall away enough to change how the surrounding spaces connect.
At LANDOVA, I collect ground measurements to bring those conditions into the design conversation early. The Emlid Reach RX2 is one of the tools that helps connect what we see on your property with the information we use to plan it.
Why elevations matter before choosing the layout
An elevation describes a point’s height relative to a reference. For your project, the useful question is often how one point relates to another: the house, an existing patio, a walkway, or the ground where you want a new gathering space.
Consider a patio extension. Its outline might fit comfortably on an overhead plan. Ground measurements may reveal that the far edge needs a different transition to the lawn, or that a preferred path crosses a noticeable slope. Those findings can change the shape, placement, or scope before detailed design work begins.
Recording elevations also helps us discuss drainage observations, possible grading, steps, and access with the relevant trades. The measurements give those conversations a clearer starting point; the decisions still require attention to the whole property.
What the Reach RX2 contributes
The Emlid Reach RX2 is a GNSS receiver. GNSS is the broader name for satellite-positioning systems, including GPS. The receiver helps record where a measured point sits, including its height.
RTK, short for real-time kinematic, improves satellite positioning using correction information from a reference station or network. Think of it as adding a nearby reference to the satellite observations. Emlid explains that process in its RTK guide.
The equipment’s capability is only part of a dependable result. Reception, corrections, setup, and checks all matter. Height references also need to stay consistent when combining field measurements with other project information.
Ground control points and checkpoints serve different jobs
Photogrammetry uses overlapping photographs to build mapped and three-dimensional information. Ground control points give that model measured references on the actual site. Targets must be recognizable in the images so their measured positions can be matched to the photographs. Emlid’s ground control guidance explains how these points support positioning, scale, and orientation.
A checkpoint has a different purpose. Its measured coordinates are held out of the model’s alignment and then compared with the model’s result. That provides an independent check of the reconstruction at that location, rather than only checking points already used to fit it. PIX4D’s documentation makes this distinction explicit.
For a homeowner, the benefit is straightforward: we have a way to question and check the digital picture before depending on it for design decisions.
What happens beneath trees and other obstructions
A camera records visible surfaces. If dense foliage hides the ground, ordinary aerial photographs cannot tell us exactly what the concealed terrain looks like. Emlid identifies vegetation and occlusion as limitations in its discussion of photogrammetry.
Visible ground control points can help align a model, but they do not reveal hidden ground. Additional measurements taken on the ground are needed to fill those gaps. That is one reason I walk the property and collect information beyond the aerial view.
Trees and nearby structures can also obstruct satellite reception. Even with a capable receiver, I need to check the positioning solution and measurement quality. Emlid’s setup guidance distinguishes FIX from less resolved positioning states. Where conditions do not support reliable collection, the approach must change: use a suitable alternative measurement method and connect its results to checked references.
How site measurements become useful project decisions
LANDOVA’s process brings the different sources together before moving deeper into design:
- Collect what matters. Document relevant site features, elevation changes, and access conditions, alongside aerial imagery and observations from the property visit.
- Cross-check the information. Review reference settings, compare measurements with the model, and investigate gaps or inconsistencies. A polished image alone does not establish a reliable base.
- Explore the layout. Consider how gathering areas, paths, planting, and other features fit the measured conditions and your priorities.
- Clarify the scope. Identify questions about transitions, drainage, grading, and access before you approve the work to develop further.
- Carry the information forward. Use a coordinated plan to support estimating and clearer discussions with the trades about what is included and what needs further resolution.
For example, identifying a difficult access route early gives us time to discuss its effect on the project. Discovering it after the layout and estimates are established can create another round of decisions.
Firsthand knowledge helps keep planning efficient
When I take the measurements, I also see the conditions behind them. A point in a file has more meaning when I remember the slope, the doorway beside it, and your concern about moving through that space. A sketch supplied by someone else can still be a useful reference. My own measurements let me check the details relevant to your design and connect them with what I observe on site.
This connection between collection and design helps reduce repeated measuring, missing details, and avoidable revisions. It also supports LANDOVA’s goal of keeping design and planning fees accessible: less time spent reconstructing the basics means more of our effort can go toward developing your project.
Common questions
Can ground measurements replace drone imagery?
They complement it. Aerial imagery provides context, while ground measurements add information and checks that photographs alone may not supply.
Does every property need the same measurements?
No. The collection approach should match the site, its visibility and reception conditions, and the decisions the proposed project requires.
Will measurements answer every drainage question?
No. They help describe slopes and relationships. Drainage planning also needs observations and appropriate project-specific evaluation.
That efficiency also changes the homeowner experience. Instead of discovering that a concept rests on an unmeasured assumption, you can discuss the site information while considering your options. You stay involved in choosing the scope, budget priorities, and next step. The purpose of the technology is to make those decisions clearer and less stressful.
