1. Introduction
2. Meteoroid Physical Properties: Previous Work
2.1. Meteoroid Physical Properties: Meteor Population Groups
2.4. Parent Comet Physical Properties
2.5. Comet Dust and Grain Implications
3. Equipment and Data Reduction
3.1. Canadian Automated Meteor Observatory (CAMO)
4. Modelling Methodology
4.1. Selection of Data
4.3. Model Fitting Process
5. Results and Discussion
5.5. Changes in η and σ
5.6. Dispersion of Physical Parameters
5.7. Key Shower Comparison
5.8. Bulk Density and Orbital Population
6. Conclusions