Welcome to the Atlantic Sciences website
The EnvCalc toolbox is no longer sold by Atlantic Sciences. All rights to the software were transferred to Tektronix Inc. of Beaverton, Oregon, USA.
Potential EnvCalc customers are referred to the OM4000 Coherent Lightwave Signal Analyzer made by Tektronix.
Any existing EnvCalc users seeking support for that product, the old website is available by clicking here.