About One World Surveying
Surveying knowledge, workflow development and geospatial technology.
One World Surveying is a surveying and geospatial technology resource created by Juan A. Pichardo, PLS. The site brings together practical tools and workflows for land surveying, GNSS control, LiDAR and point-cloud work, mapping, coordinate systems, CAD, and field-to-office production.
Surveying & Geospatial Focus
Core areas covered by One World Surveying.
Survey & Geospatial Apps
Open a tool in your browser or download the HTML app for offline use.
KMZ → State Plane
Convert KMZ/KML geographic data into State Plane coordinate workflows for surveying, mapping and CAD use.
Survey Utility App
Launch the One World Surveying utility collection for common survey, coordinate and geospatial tasks.
NJ Aerial Imagery & SID Corridor Finder
Find New Jersey SID aerial imagery tiles by address, coordinates, NJ State Plane, or highway milepost corridor, with direct browser downloads.
Three-Wire Differential Leveling
Check three-wire observations, stadia distances, leveling closure, adjustments, and closure-based order classification.
Grid → Ground Coordinate Converter
Convert State Plane GRID coordinates to Ground/Modified coordinates or design an LDP, with nationwide SPCS83, GEOID18, distortion analysis, Pair Inverse and round-trip QA.
Survey Technician Practice — Level I
Independent practice question bank with shuffled questions and answers, explanations, scoring, and a timer. This study aid is not an official certification exam.
Survey Technician Practice — Level II
Independent practice question bank with shuffled questions and answers, explanations, scoring, and a timer. This study aid is not an official certification exam.
Survey Technician Practice — Level III
Independent practice question bank with shuffled questions and answers, explanations, scoring, and a timer. This study aid is not an official certification exam.
Survey Fundamentals Practice Exam
Study with 112 original questions, explanations, topic scoring, and a timed 110-question simulation. Independent practice material; not an official exam.
Professional Surveying Practice Exam
Study with 110 original questions, explanations, topic scoring, and a timed 100-question simulation. Independent practice material; not an official exam.
New Jersey Easements Practice Exam
Study 110 original questions on easements, rights-of-way, survey research, and New Jersey topics, with explanations and a timed simulation.
FAA Part 107 Remote Pilot Flashcards
Review 110 original flashcards covering FAA Part 107 remote pilot knowledge topics. Independent study aid; not affiliated with the FAA.
FAA Part 107 Practice Exam
Practice with 100 original questions, review explanations, and track missed topics. Independent study aid; not an official FAA exam.
Pennsylvania Land Surveyor Exam Flashcards
Study 111 original cards covering Pennsylvania practice, boundary retracement, easements, planning, and land development topics.
Pennsylvania Land Surveyor Practice Exam
Practice with 111 original questions, explanations, and a 35-question timed mode based on the current exam format. Independent study aid; not an official exam.
Pennsylvania PLS Exam #2 — Boundary Retracement & Property Law
Review boundary retracement, property law, title evidence, easements, and Pennsylvania practice with explanations and a timed simulation. Independent study aid; not an official exam.
Pennsylvania PLS Exam #3 — Drainage & Hydrology
Practice drainage, hydrology, hydraulics, and stormwater topics with explanations and a timed simulation. Independent study aid; not an official exam.
Feedback
Found a problem, have a suggestion, or want to see a new surveying tool?
Your feedback helps improve One World Surveying and its survey and geospatial apps.