Be grateful for drizzle
Donald MacKenzie: High-Frequency Trading, 11 September 2014
“... bad weather. Three years ago, millimetre-wave links ‘would go down when someone sneezed’, says Michael Persico, whose Chicago firm, Anova Technologies, uses these links. Even today, they tend to stop working in heavy rain. So Anova has begun to use lasers to supplement its millimetre waves. Lasers have vulnerabilities too (fog is a big problem), but Anova ... ”