Picture Orientation
The 0th row is at the visual top of the image, and the 0th column is the visual left-hand side.
X-Resolution
72 Dots per Resolution Unit
Y-Resolution
72 Dots per Resolution Unit
Y/Cb/Cr Positioning (Subsampling)
Chrominance components centred in relation to luminance components
Components Configuration
Component 1: Y (Luminance)
Component 2: Cb (Chroma minus Blue)
Component 3: Cr(Chroma minus Red)
Component 4: Does not exist
Johannesburg Mountain Bicycle Club 
