Premium Software BOB Survey Software 8.5.1.668 Latest 2026 (Magnetometer Data Acquisition) 2026-06-19

Summary​

BOB Survey Software is the control and data acquisition software for Marine Magnetics’ BOB (Battery-Operated Overhauser) magnetometer, a marine gradiometer used for underwater surveys, UXO detection, pipeline and cable location, and archaeological investigations. BOB Survey Software solves this problem by providing a complete interface for real-time data display, navigation integration (GPS), data logging, playback, and export to industry-standard formats (XTF, CSV, Geosoft, SonarWiz). For a beginner, this means you can focus on flying the magnetometer sensor, not managing data files. The software is designed for hydrographic surveyors, geophysicists, marine archaeologists, environmental consultants, and UXO clearance teams. It works with Marine Magnetics’ BOB Overhauser sensor and standard marine GPS receivers (NMEA 0183, NMEA 2000).

First Impression​

When you first launch BOB Survey Software, the installer is small (under 50MB) and completes in under one minute. The software is Windows-based (10 and 11, 64-bit) and requires a USB connection to the BOB sensor or a simulator mode for training.

The main window is clean and functional. The real-time data graph fills most of the screen, showing magnetic field strength (nanoTesla, nT) versus time or distance. A smaller navigation window shows the vessel track and the magnetometer fish position. Status indicators show GPS fix (latitude, longitude), sensor depth, and data logging status.

For beginners, the most important element is the data logging button (green “Record” icon). Click it, and the software starts saving data. The file is automatically named with the date and time. You cannot lose data by forgetting to save.

What makes a strong first impression is the real-time quality control. If the magnetic data is noisy (high gradients), the graph shows it immediately. If the GPS loses fix, the software stops logging and alerts the operator. If the sensor is too deep or too shallow, the display warns. This immediate feedback prevents useless surveys; you know something is wrong before you finish the line, not after post-processing.

BOB Survey License Proof​

Performance During Projects​

It is lightweight and stable. The software uses minimal CPU (under 5% on modern hardware) and memory (under 200MB). It runs reliably on field laptops with modest specifications.

Data Logging Speed: The software logs at the sensor acquisition rate (typically 1-10 Hz). There is no data loss even at the maximum rate. The file writing occurs in the background and does not interrupt acquisition.

File Size Limits: A 100MB XTF file contains approximately 1-2 hours of data at 5 Hz recording. The software creates new files automatically when the size limit is reached. There is no file size limitation in the software itself.

GPS Integration: The software buffers GPS data to ensure alignment with magnetic data. Even with a momentary GPS dropout, the software continues logging and marks the missing data. When GPS returns, logging resumes.

Stability: The software runs for 10+ hours continuously without crashing. Autosave prevents data loss in the unlikely event of a power failure. The software recovers gracefully from sensor disconnection (reconnect and resume logging).

Better Alternatives​

Why Choose BOB Survey Software Over Generic Loggers? BOB understands marine magnetometer data. It knows Overhauser sensor parameters, applies correct scaling, and writes XTF files that post-processing software expects. Generic loggers require manual format configuration.

Why Choose BOB Survey Software Over Post-Processing Packages? BOB is for acquisition, not analysis. It is lightweight, runs on field laptops, and focuses on real-time quality control. Post-processing packages are for the office, not the boat.

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