CELLULAR/GPS SIGNAL ANALYSIS

Each day is designed to allow the student to understand the structure of the network system and then practically apply this knowledge through practical exercise.

Cellular/GPS Signal Analysis

Day 1: Cellular Network/CDR

1. 1. Introductions
   • Instructor introduction
   • Student introductions
   • Other policies
   • Facility information
   • Certification Information - PCME
2. Cellular Network and Location Methods
   • Cellular network descriptions
   • Evolution of E-911 system
   • Location Methods
3. Call Detail Records
   • Information available from CDR
   • CDR examples from various carriers
   • Cell Tower Reports
   • Carrier data retention timeframes
   • Legal paperwork examples to preserve and obtain records
4. Introduction to Excel
   • Toolbar
   • Row/column operations
   • Sorting and Filtering
   • Formulas
   • Creating Graphs/Bar charts
5. Pivot Tables
   • Creation
   • Interpretation
   • Visualizing data
   • Advanced techniques
6. Mapping Call Detail Record Information
   • Examples of mapped CDRs and tower locations
   • Streets and Trips
   • Point2Point
   • Preparing data for mapping
   • Hands on mapping practical
   • Other visualization software
7. Review
   • Review of terms and concepts
   • Questions

Day 2: GPS Network/Mapping GPS Data

1. GPS Network
   • History of GPS
   • GPS Network segments
   • GPS signal
2. GPS Location Techniques
   • Distance calculations
   • Positional uncertainty
   • Sources of range error
   • Satellite geometry and DOP
   • Distance corrections
   • GPS data
3. GPS Data
   • Examples of tracklog data from various GPS devices
   • Dates/Times
   • Latitude/Longitude
   • Hands on tracklog mapping exercise
4. Acquisition of GPS Devices
   • Differences by make and model
   • Write block
   • Isolation from GPS network
   • Device Seizure
   • Hands on acquisitions of various GPS devices
5. Mapping GPS Data
   • Streets and Trips
   • Point2Point
   • Homicide Practical
6. Other data stored on GPS devices
   • Pictures
   • Other documents
   • Recovering deleted files
   • Data Hiding
7. Legal/Privacy Issues
   • GPS caselaw examples
   • Subpoena
   • GPS tracking products and services
8. Review and Test
   • Review of all material covered
   • Q & A
   • Test