4 * Cancel partial downloads when switching radars
10 * Fix all memory leaks
11 * Pre-load textures and polys in OpenGL
12 * Fetch radar list aysnc
15 * Display iso surfaces of volume scans
18 * Replace RIDGE overlays with GIS images
19 * Set up LLH coordinate system
20 * Generic Time/Location selection
21 (not dependent on level 2 listings)
24 * Derived from Level 2:
25 * Composite reflectivity
26 * Storm relative motion