PHOTOSYNTHETIC PHOTON FLUX DENSITY (PPFD) MAP SPYDRx PLUS 28’x58’ indoor facility with ten static tables measuring 4’x20’. Aisles are 2’ wide, with 4‘ egress at entrance and exit of room totalling 800 square feet of canopy. Measurement density Measurements taken at center point of every 6’’ square segment. Model based on recommended mounting height of 6” above canopy. A total of 234,552 measurements were compiled (2,400 for every 4’x4’ canopy). Total fixture count