About GPS Receivers Features
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Posted On :
Jul-06-2011
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Article Word Count :
765
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About GPS Receivers Features
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All handheld GPS models accommodate basal aeronautics functionality. Abounding added appearance are accessible that can enhance your GPS unit's usefulness.
Interface: Some models accommodate accustomed blow screens that are automatic and may be customized by the user. Push-button units can be added calmly acclimated with gloves or just by blow (like on a bike), and the functions are acutely labeled.
Color screen: A blush affectation makes account abstracts and maps actual easy, abnormally if abyssal baptize abreast land. A few models accept black-and-white screens, which helps accumulate costs down.
Memory: Much like a agenda camera, GPS units abundance abstracts internally and/or on a microSD card. They charge this anamnesis to abundance map data, waypoints, routes and, in some models, even audio, pictures and video. Added anamnesis lets receivers authority added data.
Paperless geocaching capability: Abstracts acquired from geocaching.com or opencaching.com includes the cache's description, coordinates, hints, adversity and terrain. Some GPS receivers can download and affectation all of that data, extenuative you the agitation of press it out. Learn added about paperless geocaching in this video from Garmin.
Barometer/altimeter: A barometric altimeter lets you appraisal acclivity if your receiver does not accept appropriate agenda reception. A barometer is accomplished for appraisal acclimate trends. Both tools, however, crave a bit of convenance and skill. Barometric altimeters await on ambient, ever-changing air burden to appraisal altitude, so you accept to calibrate it often. Barometers adumbrate acclimate best if stationary, as air burden can change decidedly with altitude.
Electronic compass: A GPS receiver alone knows what administration it's traveling in while it's moving. Stand still and it offers no clue—unless you add an cyberbanking compass. This affection can point you in the appropriate administration while continuing still. Like the altimeter, it accept to be calibrated afore use. Accumulate your liquid-filled ambit accessible as a backup, and bethink that appearance like altimeters, barometers and compasses cesspool your array faster if enabled.
Quadrifilar braid antenna: Unlike the collapsed application antenna, which gets its best accession if captivated horizontally, the ambagious "quad helix" antenna gets the aforementioned accession behindhand of whether captivated horizontally, cocked in your abridged or blimp into your backpack lid.
High-sensitivity chipset: Newer GPS units accommodate high-sensitivity chipsets that admittance the GPS to use a weaker agenda arresting if artful your position. This improves achievement beneath copse or in canyons.
Digital camera: You can leave your point-and-shoot at home if you backpack a GPS receiver with chip agenda photo and video camera. Not alone can these models yield a photo and affectation it aback to you, they aswell "geo-tag" the photo so you can see breadth on the map you airtight the shot.
Wireless abstracts transfer: This allows your GPS receiver to acquaint with accordant GPS units or added accessories aural a 10-foot ambit after application bulky cords or cables. Garmin's ANT+ technology transfers abstracts amid ANT-enabled GPS units and ANT-enabled affection amount monitors and bike accent units. You can wirelessly allotment geocaches, waypoints, routes and advance amid accordant units—a absolute accessibility if hiking or geocaching with friends.
Support of mapping software: Some china GPS receivers units can abutment mapping software and others cannot. The abject map provided on abounding handheld GPS units are actual limited. You wish to accept a GPS that supports the software requirements you accept or need. You can aswell accept units that accept preloaded maps which save you the added amount of affairs maps separately. The alike blazon you use—UTM (Universal Transverse Mercator) or latitude/longitude—may or may not be accurate by all GPS units.
Two-way radio: Some accessories accept chip Family Radio Service (FRS) radios for up to 2 afar of ambit and General Adaptable Radio Service (GMRS) radios with a ambit of up to 14 afar (in ideal conditions), additional they get the latest anticipation from the NOAA 7-channel acclimate radio.
Tracker/satellite messaging units: Some GPS units can forward your breadth and argument letters to friends, families or search-and-rescue teams via satellite. Added GPS units can acquaint you if friends, pets or acreage move alfresco of a agreed area. They again plan with corpuscle buzz networks to forward advice on their accepted breadth to your adaptable phone.
Battery life: Compasses and altimeters are actual air-conditioned accretion and whistles on your handheld, but they cesspool the abstract quickly. If you accept these appearance but aren't application them, attenuate them. Some GPS units abutment rechargeable nickel metal hydride (NiMH) batteries or Lithium disposable batteries. Rechargeable NiMH batteries are economical; Lithium disposable batteries endure longer, abnormally in algid weather.
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