title: A system for solar radiation data storage and analysis.
abstract: It is important for photodermatologists to have an accurate and continuous measurement of the ultraviolet radiation reaching the ground. This implies the establishment of a network of detectors, but for this to be a practical reality, it is essential that an accurate and convenient system be adopted for data storage and analysis. To this end we have developed a system which meets the following criteria: it is automatic; component costs are low: it uses a home microcomputer costing 400 pounds (less than $600); because processing is done by a computer, it is flexible; also, for the same reason, there is the facility for on-line display and on-line analysis; there are no significant errors: a modified computer circuit produces a temperature coefficient of 30 ppm/degrees C; reliability is good: 12 d of data were lost from all causes, including development, during 12 months of continuous use. The system described could form the basis of a practical UV-recording network.
mesh_terms: D003625:Data Collection; D003626:Data Display; D008838:Microcomputers; D009862:Online Systems / Q000295:instrumentation; D011874:Radiometry / Q000295:instrumentation / Q000379:methods*; D013472:Sunlight; D014466:Ultraviolet Rays