professional-grade gps receivers

Choosing Between Recreational and Professional-Grade GPS Receivers

Why Consider Professional-Grade GPS Receivers? With increasing pressure to accomplish more work for less money, GPS field data collection systems based around inexpensive recreational-grade equipment may initially seem tempting. These products provide features that, at first glance, seem sufficient to do the job with price tags far below professional-grade GPS receivers. Given the large selection … Read More »

Accuracy vs. Precision

Client: “I’m not getting the accuracy I’m supposed to out of my GPS.” Representative: “What has led you to believe that?” Client: “It is not lining up with my aerial imagery” (insert historical data, monumentation, the onsite surveyor’s readings, Google Earth, etc.) Representative: “Really? I’m sorry to hear that. How far off is it?” Client: … Read More »

The importance of Ingress Protection (IP) ratings in determining the reliability of Survey and Mapping Equipment.

Let’s face it, electronics can be expensive. When a purchase is made, one expects longevity from their investment. Longevity can be determined by a number of factors, but often it is the reliability of an instrument or device that determines its usefulness. Many savvy customers rely on the IP (or Ingress Protection) rating system to … Read More »

mapping grade gps

How Do You Define Mapping Grade GPS?

What is mapping grade GPS? This is a question that’s often asked by our customers. Is it defined by the accuracy? The functionality? The hardware? The software? Today, mapping grade GPS or MGIS (mapping and GIS) hardware and software from Trimble is defined by units that can accomplish 2-4 meters accuracy (Juno’s, Nomad’s, YUMA’s) all … Read More »