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pacemaker1000
Regular Visitor
Joined: Feb 21, 2005
Posts: 105
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 Posted: Fri Feb 25, 2005 6:13 pm Post subject: is there a poi for speed zones? |
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| that is nothing to do with cameras just zones? |
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pacemaker1000
Regular Visitor
Joined: Feb 21, 2005
Posts: 105
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| Posted: Fri Feb 25, 2005 6:15 pm Post subject: |
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also (sorry new to this) seen wavs for 'leaving camera zones'
how do you sey that one up? |
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Hoppy
Regular Visitor
Joined: Jun 16, 2004
Posts: 241
Location: Lincoln
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| Posted: Fri Feb 25, 2005 8:02 pm Post subject: |
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| I would imagine that wav file is for SPECS cameras which have 2 cameras a set distance apart and measure your average speed between the 2. Thats what I think a speed zone is. |
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Privateer
Pocket GPS Moderator
Joined: 30/12/2002 17:36:20
Posts: 4914
Location: Oxfordshire, England, UK
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| Posted: Sat Feb 26, 2005 4:28 pm Post subject: |
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As far as I know, there are no POIs that detail where every 20, 30, 40, 50, 60, and 70 mph speed limit starts and stops.
Since January 2005, you have had the option of using the PocketGPSWorld camera database that shows the known speed limit of the camera. Each sub database is “zoned” i.e. it contains just cameras of one speed limit in it.
SPECS are also known as sectional cameras, i.e. you drive past one and your car is photographed (digitally) and your number plate is registered as being active in that section. You drive past the next SPECS camera and the process is repeated, if the time you take to dive that “section” is less than it should be then you have broken the average speed. Your average speed is the distance between the two SPECS cameras divided by the time it took you to drive there.
Regards,
_________________
Robert.
iPhone 6s Plus, iOS 14.0.1: iOS CamerAlert v2.0.7
TomTom GO Mobile iOS 2.3.1; TomTom (UK & ROI and Europe) iOS apps v1.29
Garmin Camper 770 LMT-D |
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DavidW
Pocket GPS Moderator
Joined: 17/05/2003 02:26:21
Posts: 3747
Location: Bedfordshire, UK
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| Posted: Sat Feb 26, 2005 6:43 pm Post subject: |
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Not only would a POI for speed limits be huge, and a maintenance nightmare, but it would require a POI system that understands the direction of travel.
It would be possible to enhance the speed warning feature of GPSAssist to change limits automatically at database points (GPSAssist does know the direction of travel), but I believe Jo, the developer, feels that the database would be unfeasible.
David |
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nigelp
Occasional Visitor
Joined: Feb 22, 2005
Posts: 40
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| Posted: Wed Mar 02, 2005 9:21 pm Post subject: |
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| Quote: |
Since January 2005, you have had the option of using the PocketGPSWorld camera database that shows the known speed limit of the camera. Each sub database is “zoned” i.e. it contains just cameras of one speed limit in it |
I Didnt know that !!  |
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