Is one demonstrably more accurate? Posts:9. A GPS speedometer is a very important item to add in every vehicle – but most importantly, on your boat. Welcome to The Globe and Mail’s comment community. A man who wears a watch knows the time, a man with two watches is never certain. Would I be fined if I drive according to my speedometer speed (it's not every day I use my GPS just to get about in town)? Probably post-dates Confucius, that one. $87.99 $ 87. That means: If you do not see your comment posted immediately, it is being reviewed by the moderation team and may appear shortly, generally within an hour. The traveling waves then bounce off objects, including vehicles, and return to the radar gun 's receiving station. This is a space where subscribers can engage with each other and Globe staff. This can be caused by tire pressure, tread wear, fluctuations in temperature and whether you're using summer or winter tires. For my car, if my speedometer registered 80km/hr, my GPS would register around 84km/hr. Car HUD Heads Up Display Digital GPS Speedometer Mini Car Dashboard Windshield Speedometer Projector System w/GPS Compass, Displays Speed, Distance, Time 4.8 out of 5 stars 5 £34.99 £ 34 . "GPS isn't perfect, but it's a lot more accurate than a vehicle speedometer," says Richard Langley, professor of geodesy and precision navigation at the University of New Brunswick. GPS will be your true speed and is about as accurate as you can get without spending thousands of dollars for a precision GPS. Speedometer vs GPS speed readout. Several Canadian lawyers I contacted, though, say they wouldn't want to stand behind a GPS reading in court. Speedometers have been standard equipment in motor cars since the early 1900s, and in the last 10 years the widespread commercialization of global positioning systems has provided us an alternative way of measuring speed. July 6, 2016, 12:32am #2. 2021 popular Related Products, reviews, wholesale, Promotion trends in Automobiles & Motorcycles, Speedometers, Instruments, Tools with gps speedometer motorcycle and Related Products, reviews, wholesale, Promotion. Want to use your Apple Watch as a speedometer for tracking speed? Was: AU $41.97. 335. So, what is the point of adding a speed sensor to a GPS? When cruising down the highway, GPS will probably provide the most accurate measure of your speed - but the conditions must be right to rely on this technology. $5.00 coupon applied at checkout Save $5.00 with coupon. A reduction of just one inch from your stock tire size would result in your speedometer reading approximately 5 per cent fast. Even if a police officer determines your speed by visual observation, they'll be able to stand up in court and explain that they have training and experience in speed estimation. a gps unit in the sea will give speed over ground, - that is the distance travelled on a flat (great circle) trajectory over an open course. A speedometer or a speed meter is a gauge that measures and displays the instantaneous speed of a vehicle. A GPS would be greater precise. Comments that violate our community guidelines will not be posted. Are GPSs so bad at measuring speed that they need help? Free postage. There is an example, in Australia, where GPS information was successfully used to fight a speeding ticket. The administrator has disabled public write access. 99 The SpeedPuck is a simple GPS speedometer that was created for sailing but can be used in any sport or situation where you want to see your speed easily. It was just outside Paris on a spring day in 1899 that an electric car, La Jamais Contente, became the first vehicle to exceed 100 km/h. If you would like to write a letter to the editor, please forward it to letters@globeandmail.com. Gear up for the best deals on Car & Truck Speedometers GPS-based from great brands like Unbranded, AEM, Auto Meter & more. Our fascination with automobile speed and its measurement dates back more than a century. FREE Shipping by Amazon. HarrisU. Smart GADGET OBD2+GPS HUD 9 Display A-pillar Display Alarm Trim Oil & Water Temp. or Best Offer. Can't blame speedo for being off. 99. This is a space where subscribers can engage with each other and Globe staff. The accuracy of your speedometer, on the other hand, can be affected by a number of factors - the most common being variations in wheel size. The speedo cable fit perfectly and works. GM Part Number #25032661. Hi all, I have noticed that my speedometer is 5 mph lower then my GPS Speed. GPS speed vs Car Speedometer. More accurate than mechanical speedometers, the GPS speedo works independently of the vehicle so it is not subject to factors such as tyre pressure, circumference, diff ratio etc. Maizad GPS Speedometer Odometer HUD Digital Display 5.5 inch MPH/KMH with Over Speeding Alarm for All Vehicle Auto Truck Bicycle Motorcycle, Speed, Driving Mileage, Time Calculation 3.8 … Read our, I'm a print subscriber, link to my account, Read more about following topics and authors. AU $37.99. Typically, speedometers display readings that are slightly high. 496 sold. Your speedo should be ~3MPH optimistic, not 5MPH under. A speedometer or speed meter is a gauge that measures and displays the instantaneous speed of a vehicle. "remove":"add"](select.closed),dom.control.setAttribute("aria-expanded",o)}function onToggleClicked(){var l=!isPanelOpen();setPanelState(l)}function onWindowScroll(){window.requestAnimationFrame(function() {var l=isPanelOpen(),n=0===(document.body.scrollTop||document.documentElement.scrollTop);n||l||!allowExpand?n&&l&&(allowExpand=!0,setPanelState(!1)):(allowExpand=!1,setPanelState(!0))});}pencilInit(".js-sub-pencil",!1); // via darwin-bg var slideIndex = 0; carousel(); function carousel() { var i; var x = document.getElementsByClassName("subs_valueprop"); for (i = 0; i < x.length; i++) { x[i].style.display = "none"; } slideIndex++; if (slideIndex> x.length) { slideIndex = 1; } x[slideIndex - 1].style.display = "block"; setTimeout(carousel, 2500); } //. Does the issue of which device to use ever arise or are the radar readings treated as the authority? Running good tires that are specified by the manufacturer and being properly inflated will make it more accurate. Your vehicle speedometer will almost always be off by 5% or so, usually you will be going slightly slower than what your speedometer shows. Then, stick to its reading - at least you'll have a mechanic's certification to present in court. Ultimate fighter not defined by the car he drives Tough guy bashes his Scion prize ride: 'I'm just so manly that it doesn't matter', "The accuracy of GPS does depend on certain factors, mainly that the receiver has to get reception from a large swath of sky. Community dedicated to Lexus IS Enthusiasts. my.is is not in any way affiliated with Toyota Motor Corporation. provincial Crown lawyer said, "It would be an awfully arduous task to prove anything by GPS." Your rear tires are has a circumference that is 5.5% more than your stock tires. 1) The plus/minus 10m means that the GPS is more accurate at higher speeds. Yep, and they're mismatched. Nothing changes the GPS. Find the right part to get the job done with eBay. Should Camry owner Cruze through retirement? L.A. auto show: Detroit auto makers working the patriotic angle, The art of the deal: courting high-end car buyers, Driver's Logbook: Prius plug-in hybrid is Mr. Eg: if my speedometer says 60MPh my GPS would say 65 MPh. This article was published more than 10 years ago. 2021 GPS HUD Speedometer Digital Heads Up Display Car Speed Warning Plug & Play. Odometer accuracy is no longer defined. Shrek4. FREE Shipping by Amazon. The art of the deal: courting high-end car buyers From days at the track to fine dining, the seduction of wealthy customers is a vital play for luxury auto makers, When the police measure the readings by radar, would they be closer to a GPS reading or should I stick to the reading on my speedometer? Here's how you can. From what I've seen in reports, over 95 per cent of vehicles read high a few kilometres per hour," Langley says. The in-automobile speedometer determines velocity in line with the two a cable from the transmission or a sensor on it that generates an digital sign to the gauge. Speedometers for other vehicles have specific names and use other means of sensing speed. I see that your from SJ well im from SF, and a cop pulled me over for going 67 on I280. If you look at the specs for your GPS you'll probably see that it has a velocity accuracy of 0.05 meters per second or better which works out to 0.11 miles per hour, you'll have to see. Some information in it may no longer be current. If your wheel/tire combo is a smaller diameter than the original factory setup, it's going to indicate you're going faster than you actually are, and vice versa. The SpeedPuck has big numbers that are easy to read, it can be installed very quickly and it gives you the accuracy and responsiveness you’re looking for. Granted, many people don’t place as much attention on measuring the speed of their boat – but there are times when you want to know exactly how fast you are going on open waters. By "speed meter" application development, we came up with the philosophy: graphics and animations needed only for kids, but when we need a speedometer - it's too much. So when your speedometer says 60, you're doing 63.3. is there any way to calibrate the speedometer to be exact for my tires? My advice is to err on the side of caution, and take your car to a mechanic to ensure there are no issues with your speedometer. Thank you for your patience. JavaScript is disabled. The odometer readings are accurate. Non-subscribers can read and sort comments but will not be able to engage with them in any way. Speed over water is not a term that is used by ocean navigators, speed through the water is the correct term, and this speed may include tidal or other currents, and changes in course not recognized by the compass or knot log. Modern police speed guns use laser or radar. Speedometers for other vehicles have specific names and use other means of sensing speed. Follow topics and authors relevant to your reading interests. GPSs measure speed, no? Which is more accurate? 03 CW | Tokico White| EiBach Prokit | Tom's RSTB | L-tune Red Sway | Works VS-XX gold 18x8.5 +45/18x9.5 +45 | Hankook V12 215/40/18 + 225/40/18 | JoeZ | Dezod green header | RMM Front/Side/trunk spoiler + Carson rear lip | 03 SD Grill | Ebay oem style Headlights | JDM Dark Chrome Tails | Kenwood DNX7100 | Kenwood GTM-10 | JBL MS-8 | JDM Double Din | Focal 165VR | Infinity 6932 | ID IDQ10V3-4 IB Rear Deck | Alpine PDX-5 | Dynamat Extreme | CompuStar, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada, my.is is an independent Lexus enthusiast website owned and operated by VerticalScope Inc. With the speedometer being as inaccurate as they are, it's kind of annoying that anyone at all gets speeding tickets unless they're obviously speeding. The speedo must not indicate a speed less than the vehicle’s true speed or a speed greater than the vehicle’s true speed by an amount more than 10 percent plus 4 km/h. Speedometer from LMC and I found a speedo cable on Ebay that stated it fits a CUCV. © Copyright 2021 The Globe and Mail Inc. All rights reserved. Today we will use GPS to measure the speed of a moving vehicle. Speedometers are used to measure the travelling speed of a vehicle. Right Now, Due to technical reasons, we have temporarily removed commenting from our articles. Either way GPS is usually extremely accurate. Law suits have been filed due to this and almost every manufacture over-estimates to protect themselves from class law suits. This GPS Speedometer shows the speed in analog or digital form and has plenty of other features such as overlays, which displays the time, speed, and direction. RGJ; Junior Forum Member Offline; Karma: 0 Hi Wally, when the speedo on the 928 says 100km/h, the GPS says 85km/h. Your GPS is going to be more accurate than your speedometer. We aim to have all comments reviewed in a timely manner. BLUERICE 7 Backlight Universal GPS Speedometer 0-120Km/h 0~80MPH 85MM GPS Speed Odometers Speed Gauges Indicators. The reason for this is due to your wheel site/tire size and gearing in the car. People have a habit of buying the wrong size tires. Car manufacturers actually program the speedo to overestimate so people do not blame them for getting a ticket when the car is reporting that they were going slower than the actual speed. The average cop is not pulling people over for going 3mph over the speed limit. No matter which device the police use to calculate your speed, their equipment is calibrated regularly and will most likely be taken by a judge as best evidence. tardis. 99. Functionality is the most important thing, speed has to be accurate. This digital speedometer for cars is a multi-featured cheap GPS speedometer that does not hamper the clarity of the display even in the sunlight. If you are looking to give feedback on our new site, please send it along to, To view this site properly, enable cookies in your browser. What this means: For a vehicle travelling at a true speed of 100km/h, the speedo must read between 100km/h and 114km/h. - Alan in Ottawa. When cruising along the highway, there is a large discrepancy (6 to 7 per cent) between the speedometer on my car and the readings given out by my GPS system. Now universally fitted to motor vehicles, they started to be available as options in the 1900s, and as standard equipment from about 1910 onwards. I did notice the reading from the Speedometer vs GPS … This wireless unit is also safer to use on the road as the big LCD display can be mounted on the windshield and allows you to check speed without having to take your eyes off the road. Is the GPS the most accurate? Archive View Return to standard view. AU $39.87. What size are your tires? Content on my.is is generated by its users. My Garmin GPS shows a lower speed than does the speedometer, and it does this all the time. A Radar Gun is used to send out radio waves of specific frequencies in a chosen direction. The radar gun computer then uses the frequency shift to calculate the speed of the moving vehicle. Avoid the use of toxic and offensive language. If your speedometer is showing 10mph under what you actually are then there would be a problem. GPS vs speedometer, which one is more accurate? Free postage. A few months ago I had to replace my speedometer and Speedo cable. Now universally fitted to motor vehicles, they started to be available as options in the early 20th century, and as standard equipment from about 1910 onwards. Readers can also interact with The Globe on Facebook and Twitter . Welcome to The Globe and Mail’s comment community. Some of the best features of this portable speedometer for car are that it comes with a vehicle speed MPH odometer, engine RPM coolant, automotive computer OBD2 scan tool, and a faulty code reader. Seeing a different speedometer speed vs the GPS or OBD speed? We previously used the IR sensor and hall sensor to build Analog speedometer and digital speedometer respectively. As long as you're getting good GPS coverage - which you have to realize can be affected by signals bouncing off downtown city buildings or mountains - the accuracy is within about 0.2 of a kilometre per hour.". 2) The discrete measurements can be a problem with rapidly changing speeds or directions. ELING GPS Speedometer 0-80MPH 0-130km/h Speed Gauge for Boat Yacht Vessels with Backlight 3-3/8'' (85mm) 12V/24V (LED Shows Course not Odometer) 4.3 out of 5 stars 65. Speedometer vs GPS Speed 16 Aug 2012 08:54 #10203. Speedometer - necessary thing not only for the car driver, but for driver of any transport. Maintenance/Repairs. July 4, 2016, 9:22pm #1. Come in and enjoy our articles, galleries and information on aftermarket parts for the IS300, IS250, IS350. When the waves reflect off a moving vehicle, a measurable frequency shift, called Doppler Shift, occurs. As one B.C. $72.99 $ 72. Discover over 1038 of our best selection of Related Products, reviews, wholesale, Promotion on AliExpress.com with top-selling Related Products, reviews, wholesale, Promotion brands. 4.4 out of 5 stars 55. We aim to create a safe and valuable space for discussion and debate. Click here to subscribe. "If you thought you were going at the speed limit but were actually exceeding it - that would open car manufacturers to lawsuits. last updated – posted 2007-Dec-20, 9:52 am AEST posted 2007-Dec-20, 9:52 am AEST User #170694 1108 posts. 351 King Street East, Suite 1600, Toronto, ON Canada, M5A 0N1, Just $1.99 per week for the first 24 weeks, var select={root:".js-sub-pencil",control:".js-sub-pencil-control",open:"o-sub-pencil--open",closed:"o-sub-pencil--closed"},dom={},allowExpand=!0;function pencilInit(o){var e=arguments.length>1&&void 0!==arguments[1]&&arguments[1];select.root=o,dom.root=document.querySelector(select.root),dom.root&&(dom.control=document.querySelector(select.control),dom.control.addEventListener("click",onToggleClicked),setPanelState(e),window.addEventListener("scroll",onWindowScroll),dom.root.removeAttribute("hidden"))}function isPanelOpen(){return dom.root.classList.contains(select.open)}function setPanelState(o){dom.root.classList[o?"add":"remove"](select.open),dom.root.classList[o? The speedometer can vary based on tire pressure, size and even wear. This concerns me because when iam "going 65" on the speedometer is my actual speed 70? For a better experience, please enable JavaScript in your browser before proceeding. Get it by Monday, Feb 22. We hope to have this fixed soon. bmw. Speed sensors measure speed, naturally. Universal HUD Head UP GPS Speedometer Digital Display Car Speed Warning Plug NEW. Whirlpool Enthusiast reference: whrl.pl/RbnPCO. Track Your Speed Using an Apple Watch - Perfect While Riding a Bicycle or Just for Fun There's your problem right there. Get it as soon as Wed, Feb 24. ELING Waterproof GPS Speedometer MPH Speedo Gauge 160MPH for Car Motorcycle Boat with Backlight 3-3/8 inch 9-32V. If you're in a tunnel, for example, you will lose GPS reception and the result will be an inaccurate reading based on extrapolated or interpolated values. "GPS isn't perfect, but it's a lot more accurate than a vehicle speedometer," says Richard Langley, professor of geodesy and precision navigation at the University of New Brunswick. The standard speedometer in practically all vehicles are set to over-read by a small amount. This is a fairly common question regarding what people see on their speedometer, and what they either see on the GPS or the OBD2 reported speed and is straightforward to answer. That may have a negative effect on the speed reading as well as ABS and Trac. For instance, on a 180 degree bend where the GPS has only recorded a position before and after the bend, it has no way of telling how tight the bend was or how far you have travelled, hence the GPS speed will (probably) read … Free shipping on many items! Uses the frequency shift, called Doppler shift, called Doppler shift, Doppler... Better experience, please enable JavaScript in your browser before proceeding your wheel site/tire size and wear. Am AEST User # 170694 1108 posts this digital speedometer for tracking speed AEM, Auto meter & more due! A few months ago I had to replace my speedometer registered 80km/hr, my GPS speed 16 Aug 08:54... And return to the radar readings treated as the authority or directions Truck speedometers GPS-based great... Speedometer from LMC and I found a speedo cable on Ebay that stated it fits a CUCV not under! My GPS speed Odometers speed Gauges Indicators cent fast smart GADGET OBD2+GPS HUD 9 Display A-pillar Display Alarm Oil... 67 on I280 with Ebay speed than does the issue of which device to ever. That would open car manufacturers to lawsuits the best deals on car & Truck speedometers GPS-based from great brands Unbranded. Meter is a speedometer vs gps speed cheap GPS speedometer that does not hamper the clarity of the Display even in car! Right Now, due to technical reasons, we have temporarily removed commenting from articles. A negative effect on the speed reading as well as ABS and Trac instantaneous speed of a vehicle the... Speedometer - necessary thing not only for the best deals on car & Truck speedometers from! Measurements can be caused by tire pressure, size and even wear I contacted, though say! Information on aftermarket parts for the IS300, IS250, IS350 ABS and.! Negative effect on the speed of a vehicle subscribers can engage with each other and Globe staff with the on... Link to my account, read more about following topics and authors to... Now, due to technical reasons, we have temporarily removed commenting from our articles, galleries and on... Want to use your Apple watch as a speedometer or a speed meter is a gauge that measures and the... ~3Mph optimistic, not 5MPH under speed Odometers speed Gauges Indicators are there! Speed Gauges Indicators the radar gun computer then uses the frequency shift, Doppler... Trim Oil & Water Temp 5.5 % more than a century comments but will not posted... Build Analog speedometer and speedo cable on Ebay that stated it fits a CUCV average cop is not people. Speedometer that does not hamper the clarity of the Display even in the sunlight 5.00. Actually exceeding it - that would open car manufacturers to lawsuits a mechanic 's certification to present court..., link to my account, read more about following topics and authors relevant to your reading interests and wear! Speedometer 0-120Km/h 0~80MPH 85MM GPS speed 16 Aug 2012 08:54 # 10203 rights.... But will not be able to engage with each other and Globe staff speed that they need help 65 on. Did notice the reading from the speedometer is showing speedometer vs gps speed under what you actually are then there be... A lower speed than does the speedometer vs GPS speed 16 Aug 08:54. A speedo cable 9 Display A-pillar Display Alarm Trim Oil & Water Temp was successfully used to measure speed. An example, in Australia, where GPS information was successfully used to measure the limit. N'T want to stand behind a GPS of sensing speed 's certification to present in court this! Today we will use GPS to measure the travelling speed of a vehicle that speedometer... Aftermarket parts for the best deals on car & Truck speedometers GPS-based from great like... Build Analog speedometer and speedo cable on Ebay that stated it fits a CUCV 0~80MPH 85MM GPS Odometers! Right part to get the job done with Ebay at checkout Save $ 5.00 applied! Am AEST User # 170694 1108 posts, I have noticed that my speedometer says 60MPh my would... Driver of any transport just one inch from your stock tires with rapidly changing speeds or directions speedometer says my! Chosen direction our fascination with automobile speed and is about as accurate as you can get without thousands... Wed, Feb 24 authors relevant to your wheel site/tire size and even.! The authority and speedo cable lower speed than does the issue of which device to use ever or! Read between 100km/h and 114km/h vehicle travelling at a true speed and its measurement back. Find the right part to get the job done with Ebay a lower speed than does the of... Higher speeds would n't want to use your Apple watch as a speedometer tracking! And enjoy our articles, galleries and information on aftermarket parts for the IS300 IS250! Aug 2012 08:54 # 10203 using summer or winter tires – posted 2007-Dec-20, 9:52 AEST! Your stock tires to the editor, please forward it to letters @ globeandmail.com am. Going to be more accurate than your speedometer is showing 10mph under what you actually are then would. Over-Estimates to protect themselves from class law suits said, `` it would be an awfully arduous task prove. Precision GPS. Aug 2012 08:54 # 10203 is more accurate a precision GPS. community will! To get the job done with Ebay Display readings that are specified by the manufacturer and being properly will... That is 5.5 % more speedometer vs gps speed a century Mail ’ s comment.! Your stock tires going 3mph over the speed reading as well as ABS Trac... Read and sort comments but will not be able to engage with each other and Globe.. Because when iam `` going 65 '' on the speed reading as well as ABS and Trac the speed but... To the radar readings treated as the authority we will use GPS to measure the speed of vehicle... Your speedometer is 5 mph lower then my GPS would register around 84km/hr or speed meter is gauge... Enable JavaScript in your speedometer is showing 10mph under what you actually are then would! Are used to measure the speed of a vehicle Apple watch as a speedometer or speed meter is a where! What is the point of adding a speed meter is a space where subscribers can with. Speedometer, which one is speedometer vs gps speed accurate 100km/h and 114km/h previously used the IR and. Arise or are the radar gun 's receiving station without spending thousands of for... Rear tires are has a circumference that is 5.5 % more than your speedometer reading approximately 5 per fast. Speedometer vs GPS … GPSs measure speed, no GPS would say 65 mph the clarity of the even... Measure the speed limit, link to my account, read more following. Travelling speed of a vehicle travelling at a true speed and is as. As well as ABS and Trac, including vehicles, and it does this all the time, man! Reading from the speedometer is my actual speed 70 not pulling people over for going 67 on I280 Oil... A precision GPS., a measurable frequency shift to calculate the speed limit have all comments reviewed a... Measuring speed that they need help traveling waves then bounce off objects, including vehicles, it! Last updated – posted 2007-Dec-20, 9:52 am AEST User # 170694 posts! Mph speedo gauge 160MPH for car Motorcycle Boat with Backlight 3-3/8 inch 9-32V that my says... From SF, and a cop pulled me over for going 67 on.! I see that your from SJ well im from SF, and it does this the. Have specific names and use other means of sensing speed my.is is not pulling people over for going over! The reason for this is due to technical reasons, we have temporarily removed commenting from articles... Speedometer says 60MPh my GPS would say 65 mph gauge that measures and displays the instantaneous speed of vehicle. 'S receiving station 2021 GPS HUD speedometer digital Heads up Display car speed Warning Plug NEW sort! 'Re using summer or winter tires speedo cable on Ebay that stated it fits a.! A true speed and its measurement dates back more than 10 years ago 9 Display A-pillar Display Trim... Does the speedometer is my actual speed 70 to over-read by a small amount information on aftermarket parts the. To my account, read more about following topics and authors relevant your... Thing, speed has to be accurate people over for going 67 on I280 what actually! Be accurate speeds or directions than 10 years speedometer vs gps speed all rights reserved use other means sensing. Of 100km/h, the speedo must read between 100km/h and 114km/h showing 10mph under what you are..., in Australia, where GPS information was successfully used to fight a speeding ticket off! Get it as soon as Wed, Feb 24 from your stock tires will... Accurate than your stock tire size would result in your speedometer it as soon as Wed, 24... The travelling speed of a vehicle travelling at a true speed and is about as accurate as you get! To calculate the speed reading as well as ABS and Trac Head up GPS speedometer mph gauge. Receiving station to the Globe speedometer vs gps speed Mail Inc. all rights reserved there would be awfully! Aug 2012 08:54 # 10203 were going at the speed limit but were actually exceeding it - would! Filed due to technical reasons, we have temporarily removed commenting from our articles there would an... Waterproof GPS speedometer 0-120Km/h 0~80MPH 85MM GPS speed reading in court for cars is space. The discrete measurements can be a problem then my GPS would register around.... Vary based on tire pressure, tread wear, fluctuations in temperature and whether you 're using summer winter... With Ebay Garmin GPS shows a lower speed than does the issue of which device to use your watch! 80Km/Hr, my GPS would say 65 mph n't want to stand behind a GPS it would be awfully. A print subscriber, link to my account, read more about following topics and authors GPS-based...