tag:blogger.com,1999:blog-614300246796046332.post3355829119388486376..comments2020-03-01T10:37:59.893-05:00Comments on Grush Hour: How Skymeter got startedBern Grushhttp://www.blogger.com/profile/00484717588261701565noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-614300246796046332.post-63362317363492453692009-11-29T20:39:58.734-05:002009-11-29T20:39:58.734-05:00Luke: Thanks for your question. There are usually ...Luke: Thanks for your question. There are usually two reasons no one asks this: (1) they are not aware that it is a problem, much less a difficult one, or (2) they do know, but are convinced it cannot be solved.<br /><br />We have developed a form of liability-critical GPS we call Financial-grade GPS (FGPS). This is very different in nature and purpose from navigation-grade GPS such as Garmin or Tom-Tom. We start with the same signals (which are subject to the deflections and shadowing you are concerned about), but we have techniques to defeat non-line-of-sight (NLoS) multipath, which makes the critical difference. I cannot say more without an NDA. Here is an independent study from Caltrans that details this achievement.<br /><br />http://www.skymetercorp.com/cms/images/News/CaltransIndependentSkymeterEvaluationReport.pdfBern Grushhttps://www.blogger.com/profile/00484717588261701565noreply@blogger.comtag:blogger.com,1999:blog-614300246796046332.post-49169206747972805142009-11-29T11:45:20.907-05:002009-11-29T11:45:20.907-05:00How do you adjust for notoriously bad reception in...How do you adjust for notoriously bad reception in Downtown cores like Mahattan and Chicago's Loop?Unknownhttps://www.blogger.com/profile/14833918685984924902noreply@blogger.com