VERY USEFUL FOR LIGHTER THRESHOLDS BUT TREND TOWARDS CLIMATOLOGY AT LONGER RANGES

THE IMPROVEMENTS IS ABOUT 3% FOR 50 mm (2.00 INCH) OR GREATER AMOUNTS BY 36 HRS

FROM MDL homepage, Mark Shirey

1.00 inch=25 mm

2.5 mm

25 mm

50 mm

12.5 mm

6.25 mm