Expert Witness – Electrical, Telecom, Cellular, RF Engineering Blog

Google Takeout and Google Location History

Google Takeout shows only encrypted Timeline backups after device migration; learn how to export.

How Cell Tower Handoff Works and What It Reveals About a Phone’s Location

How cell tower handoffs work, what tower/sector data can show about location, and key limits.

The Difference Between Cell Site Location and GPS Location in CDRs

CDR locations aren't GPS. Learn tower/sector vs network estimates, mapping limits, and court risks.

How GPS Receiver Accuracy Is Specified and What That Means for Location Evidence

GPS accuracy specs vary (CEP, 2DRMS, R95). Learn what they mean and how to frame location evidence.

What are GPS Records in a Court Case?

GPS records in court: sources, how data is collected, and how lawyers challenge accuracy and privacy.

What is a consumer grade GPS and Their Role in Court Cases?

Consumer-grade GPS in court: sources, accuracy limits, privacy issues, and how to challenge it.

How GPS Data Documents Route Deviations in Rideshare Sexual Assault Cases

A route deviation is not simply a wrong turn. In engineering terms, it is a measurable departure from the expected path between a pickup and a dropoff, identified through timestamped coordinates that show where the vehicle was and when.

Common Misinterpretations in Mobile Device Forensics: RF Hardware vs. Software Failures

Mobile device forensics reveals data stored in modern phones and tablets. This process supports litigation and investigations.

Investigating Electromagnetic Compatibility (EMC) Failures in RF Devices

EMC measures how well a device works in its electromagnetic environment. The device must function correctly without creating problems for other nearby equipment.

Forensic Analysis of SIM Card and Baseband Communication in Mobile Devices

Mobile devices provide key evidence in investigations. The SIM card and baseband processor store communication and location data.

Cold Weather Failures in Mobile Phones: Engineering Analysis in Wrongful Death and Product Claims

Cold Weather Failures in Mobile Phones: Engineering Analysis in Product Claims

Mobile phones must work reliably in cold environments. This includes rural areas, vehicle breakdowns, and emergency responses.

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