Comments on: GPS vs. Radar: It’s Not Over Yet http://gps-software-hub.com/2008/07/gps-vs-radar-its-not-over-yet.html The Largest Repository of Free GPS Software and Maps Thu, 11 Aug 2011 16:12:31 +0000 hourly 1 http://wordpress.org/?v= By: Anonymous http://gps-software-hub.com/2008/07/gps-vs-radar-its-not-over-yet.html/comment-page-1#comment-24 Anonymous Sat, 02 Aug 2008 11:02:00 +0000 http://gpssoftwarehub.wordpress.com/2008/07/20/gps-vs-radar-its-not-over-yet/#comment-24 Consumer quality GPS is great for average speed recording - however, for instantaneous speed recording, it's rather error-prone.<br/><br/>An example : I use my Garmin 60CSx to record my location when on vacation. On my last trip, the average speed on one day was 21.2 knots, however, the maximum speed was recorded at over 80 knots... which for an 85,000 ton cruise ship, is pretty damn fast.<br/><br/>Similarly, on car journeys I've used crise control to maintain 70 mph (I live in the UK), yet although the GPS log shows the average speed as 69.8 mph, the maximum speed was over 300 mph. Not bad for a 1.8 litre vehicle! Consumer quality GPS is great for average speed recording – however, for instantaneous speed recording, it’s rather error-prone.

An example : I use my Garmin 60CSx to record my location when on vacation. On my last trip, the average speed on one day was 21.2 knots, however, the maximum speed was recorded at over 80 knots… which for an 85,000 ton cruise ship, is pretty damn fast.

Similarly, on car journeys I’ve used crise control to maintain 70 mph (I live in the UK), yet although the GPS log shows the average speed as 69.8 mph, the maximum speed was over 300 mph. Not bad for a 1.8 litre vehicle!

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