DXView' s Configuration screen contains 4 tabs - General, Plot Settings, Rotator Control, and World Map -- each containing a related group of settings and controls that you can inspect and/or modify. Here are a. Here a list of selected resources taken from our Operating Aids / Maps links category. Radioamateurs use the grid-locator or QTH to describe a geographic location on the earth. [1] Maidenhead locators are also commonly referred to as QTH Locator, grid locators or grid squares, despite having a non-square shape on any non- equirectangular cartographic projection. Select the address for this QTH from the drop-down list. Coordinates Click to copy datas to clipboard. QTH Locator is a geocoding system used by radio amateurs to conveniently locate their geographic coordinates. Can use * to search for prefixes or suffixes. EI8IC Ham Radio Maps - A large collection of amateur radio maps, including CQ and ITU Zones, a complete set of ham radio Prefix Maps, grid locators and time zones map. His QTH is determined automatically when. QTH Locator Pro is free Tools app, developed by hOne. k. QTH is determined using the GPS function. If it does, HRD pulls it in. QTH is determined using the GPS function. QTH is determined using the GPS function. Download QTH-Locator and enjoy it on your iPhone, iPad and iPod touch. Calulate locator,etc. Show the grid square and extended QTH locator on a map: DG7YBN Excel BC for Semi-Insulated Elements on Boom Calculator: DXMAPS. The main distinction of a locator map is that it can track players, while a normal map cannot. For UK summits this is very easy as the QTH Locator is directly displayed in the summit. 0. On-Line DX-Spot analysis database DG7YBN TANT manual: JT65B, a guide for beginners to MoonBounce (EME) Listen to some recorded Ham-Radio sounds : EA6VQ EME calendar : 144 MHz activity DX. Estaba pensando el otro día que si me iba al monte iba a necesitar un GPS para e ltema del locator cuando me acordé de una página donde te da el locator en un mapa. TEP on 144 Mhz. His QTH is determined automatically when. / OSM / Profile ZL: 7. According to Google Play QTH Locator achieved more than 12 thousand installs. Día, hora UTC, estación contactada, RS(T) y QTH Locator enviado, RS(T) y QTH Locator recibido, así como la distancia en Km. The system is based on the WGS84 co-ordinates and each 10° latitude x 20° longitude field is in turn divisible into a. QTH Locator and IARU Locator) is a geocode system used by amateur radio operators to succinctly describe their geographic coordinates, which replaced the deprecated QRA locator, which was limited to European contacts. The resource is currently listed in dxzone. Java Applet for hams that calculates distance and (antenna-)direction between two locations on the earth and shows them in a map of the world. To view maps need the presence of the Internet on your device. The QTH locator can contain 6, 8 or 10 characters. QTH is determined using the GPS function. Grid Square Location. The main advantage is that the coordinates are expressed with very few characters and this is good for operating in CW. 002 degrees latitude and longitude to allow for multiple stations to be. This four-character (2-letter, 2 number) designator indicates your 2 degree × 1 degree locator for VUCC award purposes. His QTH is det…Category: Operating Aids/Maps Listed on Dxzone. 0. Overall rating of Easy QTH. The log analyzer does not work with 2-digit locators. Originally intended for use only by radiotelegraph operators, Q-codes have become a permanent part of the hobby’s jargon, and many hams use them on phone as well as in face-to-face conversations. 2. Show the grid square and extended QTH locator on a map: DG7YBN Excel BC for Semi-Insulated Elements on Boom Calculator: DXMAPS. Your longitude and latitude. Rerun the NØUK Maidenhead Grid Distance & Bearing Calculator. Download QTH-Locator and enjoy it on your iPhone, iPad and iPod touch. Rate this program @ The DXZone. A quoted locator of. on a map. App Annie is now data. Contains ads. 321 N to be HK34wh. To view maps need the presence of the Internet on your device. MFJ-1708 SDR TR Switch. Palomar PD-700 Digital Readout for Drake TR-4. 0, this is an application to generate data file and get HTML and Javascript, to include an interactive Map of QSO in an WEB page. Each field is divided into 100 squares. 7. The QRA locator, also called QTH locator in some publications, is an obsolete geographic coordinate system used by amateur radio operators in Europe before the introduction of the Maidenhead Locator System. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. His QTH is determined automatically when the program starts and is t…Download QTH-Locator and enjoy it on your iPhone, iPad and iPod touch. QTH is determined using the GPS function. COM. Best for ham radio enthusiast. The location is pinpointed with a red marker with a black dot at the top and middle of the outlined grid. Click here for more info. com in a single category. Alinco DJ-X11t Wideband Receiver. Name of QTH. 1) QRZ. To view maps need the presence of the Internet on your device. QTH is determined using the GPS function. His QTH is determined automatically when the program starts and is the token of the current geolocation. Sporadic-E clouds. Grundlage ist dabei die Unterteilung der Erdoberfläche in 18 × 18 (324) Größtfelder, jedes Größtfeld in 10 × 10 (100) Großfelder und jedes Großfeld in 24 × 24. The Grid Square calculator converts between the latitude/longitude and the grid square locator. If DXView is configured to. El trabajo de Cesco, HB9TLK, la más importante base de datos de. Return to the NØUK VHF Amateur Radio page. Para nosotros, los radioaficionados, la posibilidad de calcular distancias, orientación de antenas, localización de estaciones, calculos de Grid locators y la colocación de fotos del lugar. There is no need for conversion formulas. Converts IARU locator & longitude/latitude coordinates to UI-View format coordinates (GPS = Global Positioning System) and vice versa. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. g. If you would like to purchase a license, please visit the store: QTH. QTH is determined using the GPS function. QTH is determined using the GPS function. Entering a QTH locator in the search box will move the map to the given location and show a rectangle containing the given locator. Hierarchy - licensees have stations; stations have locations; operators act as the "control operator" of these stations at these locations. 002 degrees latitude and longitude to allow for multiple stations to be depicted when residing at the same address. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. The IARU Locator (also known as the QTH Locator or Maidenhead Locator System) is based on a division of the globe, by latitude and longitude, into an 18 x 18 grid with origin. To view maps need the presence of the Internet on your device. This is equivalent to, for example, appending the 6-digit location IO90IV with the mid-range char-acters 44LL to give IO90IV44LL for the purposes of calculation. Map of locators of Mallorca (JM19) Map of locators of Mallorca (JM19) Map of locators of Mallorca (JM19) TEP on 144 Mhz. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. Peanut Ward Main Hospital Location 51 Pharmacy Main Hospital Location 20 Physiotherapy Building 1 WARDS & DEPARTMENTS LOCATION Prosthetic Clinic. To view maps need the presence of the Internet on your device. QTH is determined using the GPS function. NØUK's Maidenhead Grid Distance & Bearing Calculator. To convert among Decimal Degrees (DD), Degrees. Download QTH-Locator and enjoy it on your iPhone, iPad and iPod touch. g. QTH is determined using the GPS function. e. GridMapper - Grid and Station Locator - V. To view maps need the presence of the Internet on your device. com since 2008-04-02 Hits : 5538 , Rating : 6. You will start by defining thelocation map:1- in the QGis Mapping window, zoom the window. arrow_forward. QTH is determined using the GPS function. Or make a long click on the map at the place of interest. My QTH is shown correctly and if I clear the contact, it will clear the map and only show my location but if I input another call sign, it just puts a pin in the. 24. This QTH Locator Grid Square calculator tool converts Latitude and Longitude geographical coordinates into Maidenhead Grid Square. This app is able to visualize your WW Locator of all point of the world. to draw your QTH on the map; You have to enter either the QTH-Locator or longitude and latitude only. HAM QTH locator can also be used as a QSO plotter for map visualization of contests. His QTH is determined automatically when the program starts and is the token of the current. This high quality Locator map is offset printed onto a thick 150gsm paper and contains all the features you would expect of this type of map. If the Display GeoMag panel option is enabled, the GeoMag panel will be present in the Info window and display the maximum geomagnetic latitude for the path between your QTH and the current position; the larger the geomagnetic latitude, the more absorption will be suffered by signals on the path due to interaction with the auroral zone. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. Maidenhead QTH Locator calculator. QTH is determined using the GPS function. Localizar el locator ! Aparte de aplicaciones para móvil (celular), tenemos varias páginas web que nos informan del QTH Locator de cualquier ubicación del mundo. On this page you can download QTH Locator Pro and install on Windows PC. Function: Displaying the Maidenhead Grid Locator on your Android desktop. GRID:. QTH Locator V0. Displays your QTH Locator (Maidenhead Locator) via current. His QTH is determined automatically when the program starts and is t…Displays your QTH Locator (Maidenhead Locator) via current geographic coordinates or manually selected. The main category is World and local maps that is about Ham radio maps, prefix maps, world maps. arrow_forward. QTH is determined using the GPS function. in your logupload is the QTH locator (ADIF field Gridsquare) If the QTH locator has 4 digits, the centre field is selected as the QTH (e. When the locator is specified at lower resolutions, e. Faster switching time makes higher output voltage possible. Examples are: Specifying address: The Maidenhead Locator System (a. Run QTH Locator on PC with LDPlayer. To find your grid square / locator, click and hold your mouse button down, then you can drag the map around. / OSM / Profile ZL: 7. His QTH is determined automatically when. COM, llamada» gridmapper » tiene la particularidad de que muestra en el mapa algunas estaciones cercanas a tu QTH o al locator que busques. This simple utility converts UK National Grid references to geodetic coordinates (latitude & longitude) and displays the "QTH locator". A última versão do Ham QTH locator é 1. To view maps need the presence of the Internet on your device. QTH is determined using the GPS function. Since this new feature seems to have generated some confusion, here is an attempt to clarify how it works. As a radio transmitter or receiver location system the QRA locator is considered defunct, but may be found in many older. QTH Locator is a geocoding system used by radio amateurs to conveniently locate their geographic coordinates. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. for QTH LOCATOR IO91WH (This information via the GB7CIP FBB BBS QRA. XT) program to calculate distances and angles between 2 stations, with a data base to handle and store position data (even usable as a simple logbook) and a lot of graphic stuff to display geographic positions. Latest Version. / Position SelectedQTH. Dash board Statistics Stats Documentation Docs. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. His QTH is determined automatically when the program starts and is the token of the current geolocation. This is a free version of the program "QTH-locator". The selection determines the center of the map. Drake L7 Amplifier. the QTH locator. For example, if your latitude is 41 degrees N, the 4th character is 1; for 29 degrees N, it is 9, etc. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. TEP on 144 Mhz. Each field is 20°x10° (Lon x Lat). To view maps need the presence of the Internet on your device. His QTH is determined automatically when the program starts and is the token of the current geolocation. Hierarchy - licensees have stations; stations have locations; operators act as the "control operator" of these stations at these locations. A detailed map of North America is available over here. app License. engineered by Tom. 9 km West bearing 258° from Pennant Hills, Hornsby Shire, New South Wales, Australia [ ?DS5SQS @ HL-0369. Display progress data in bold font. His QTH is det…Der QTH-Locator ist die Angabe eines Standortes anhand eines an den Längen- und Breitengraden ausgerichteten geodätischen Netzes. To find a location near you, type in your town and state in the Location or Call Sign box on the left. You can view the locator determined by the GPS position, then the longitude and latitude expressed in decimals and degrees, the altitude above sea level (blue color). IARU/Maidenhead Locator. To do this, select the “New Coverage” option in the menu. on a map. Calculation of distances, orientation and altitude. QTH locator toolkit is a simple app to find HAM radio operator's current QTH location with GPS or you can tap on the map and get a locator for that location. 6. Resources listed under Grid squares category belongs to Operating Aids main collection, and get reviewed and rated by amateur radio operators. The actual version of QSO Map generator is the 0. QTH is determined using the GPS function. For example, if your latitude is 41 degrees N, the 4th character is 1; for 29 degrees N, it is 9, etc. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. The display of the locator and coordinates in every part of the world. Zum Beispiel könnte jemand in einem. Utile per le stazioni CB e per i BCL per determinare la posizione precisa della stazione radio in cui si opera. Calulate locator,etc. The display of the locator and coordinates in every part of the world. 6 characters such as in VHF contests, the centre of the squaroid at that resolution should be taken. No need internet access or mobile. 86-87. These locators can be found on the large map which you received when you first subscribed to D-i-Y Radio. Download QTH-Locator and enjoy it on your iPhone, iPad and iPod touch. Position MyHomeQTH. with up to 5 pairs of accuracy. Joined: Tue Sep 19, 2017 2:09 pm Posts: 328 Location: Llandeilo IO71. This QTH Locator Grid Square calculator tool converts Latitude and Longitude geographical coordinates into Maidenhead Grid Square up to 5 pairs of resolution. Make your Android app more popular Advertise on Google Play with AppBrain app promotion Check it out. This map was created by a user. 10K+ Downloads Mature 17+ info Install About this app arrow_forward Displays your current QTH Locator via current GPS coordinates. This link is listed in our web site directory since Wednesday Apr 2 2008, and till today "QTH locator or Map square with Google Maps" has been followed for a total of 5538 times. This four-character (2-letter, 2 number) designator indicates your 2 degree × 1 degree locator for VUCC award purposes. An excellent ham radio mapping service. Exceptionally, those whose home QTH is within the circle may operate from an alternative or temporary location elsewhere. QTH is determined using the GPS function. His QTH is determined automatically when the program starts and is the token of the current geolocation. Short and extended locators are supported (from KP20 to KP20LE20TP). GW4MBS. Touching the marker you will get the information of the point on the map. His QTH is determined automatically when. If you drag the mouse, the drag-start will become the. The main category is Grid square locators that is about Amateur radio grid squares. The QTH Locator App was developed for HAM Radio use. GRID:. A grid locator consisting of a 6 letter/figure. k9wrote: ↑ Sat Mar 07, 2020 2:32 pm I've noticed many times the world map and zoomed in map to the right of it on the Main screen do not show the correct location of the contact being made. Learn how to create your own. Inherently more stable. This is the extended version of "Maidenhead Grid. P. Amateur radio grid squares category is a curation of 28 web resources on , SK6AW Maidenhead Locator Conversion, Zone Check Interactive Map, Maidenhead square Calculator. The QTH locator (or Maidenhead locator) is a handy and compact way of transmitting geographical coordinates used by radio amateurs. Share. Calculation of distances, orientation and altitude. About this app. IARU/Maidenhead Locator. Download QTH-Locator and enjoy it on your iPhone, iPad and iPod touch. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. Gives your 10 digit grid and displays your location on a map for confirmation. In the. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. qth locator map europe Location of center of azimuthal project on disaster management for class 9 pdf equidistant projection Help - dont know latlon USA only. Download QTH-Locator and enjoy it on your iPhone, iPad and iPod touch. The scale is 1 - 10, with 1 being poor and 10 being excellent. Enter an appropriate search value on the right. . QTH locator toolkit HAM radio 1. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. To view maps need the presence of the Internet on your device. *XX finds all calls ending in XX; By Name/Address - Type in a name or part of a. Please know that five of other meanings are listed below. 4. To view maps need the presence of the Internet on your device. To view maps. De cada QSO. His QTH is determined automatically when the program starts and is t…Free hamradio callbook with very fast XML access for logging programs, recent activity, logsearch, condx prediction, multilanguage support etc. Up target SDR version. This new system was successfully tested in the Autumn of 1958, during OK VHF contests, and after positive results, during The Hague VHF meeting in October 1959 it was decided to submit this method named, QRA-Locator as official IARU R1 recommendation. His QTH is determined automatically when. To view maps need the presence of. Download and play QTH Locator android on PC will allow you have more excited mobile experience on a Windows computer. アマチュア無線局がGPS機能を利用してQTH情報を得るためのアプリ。. Location: Show your phone or. It is available for free, making it accessible to anyone in. Download QTH-Locator and enjoy it on your iPhone, iPad and iPod touch. You can also use this service to find your QTH/QRA locator (or your grid square) by simply pointing at a location on the map. !! ACTIVATE Network location !. 20. This is a free version of the program "QTH-locator". The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. Re-Spot. Ian Dodds says: August 24, 2022 at 3:19 am. 50 is a 32bit Windows (WIN95 . Updated on. His QTH is determined automatically when the program starts and is the token of the current geolocation. flat earth's curvature. Foi lançado em 2021-07-11. Simply click on. To view maps need the presence of the Internet on your device. DM42qq - CQ Zone:3 - ITU Zone:6. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. QTH is determined using the GPS function. Download QTH-Locator and enjoy it on your iPhone, iPad and iPod touch. On the right pane you can see the QTH-Locator-Applet for Radioamateurs. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. This link is listed in our web site directory since Saturday Mar 24 2007, and till today "QTH Locator map" has been followed for a total of 3085 times. com Free Ham Radio Classified Ads from QTH. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. 8 has received a new Plugin Parameter, osm. Scroll down see the map. Select the type of input (callsign, gridsquare, zip code or street address) on the left. Amateur Radio Ham Radio Maidenhead Grid Square Locator Map. Short and extended locators are supported (from KP20 to KP20LE20TP). ArcGIS Locator provides a tool to build a dataset (the Locator) and another one to geocode an attribute table containing addresses against this Locator. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. A new window will open showing an extract from the 1:50,000 "Landranger" map (the modern metric equivalent of the old "one-inch" maps. QTH_LOCATOR_YANDEX_MAP. Or make a long click on the map at the place of interest. 0. ( radio slang, question) What is your position in latitude and longitude (or according to any other indication)?Other Meanings of QTH. To view maps need the presence of the Internet on your device. on a map. qth locator is free windows program to calculate distances and angles between 2 stations with a data base to handle and store position data even usable as a simple logbook and a lot of graphic stuff to display geographic positions it is capable to display self made maps or uiview maps also by dg4mcb. ADIF to Google Map, Ham Radio contact map,Ham radio QSO map, QSO Mapper, Amateur Radio Contacts, Amateur Radio mapping. js. His QTH is determined automatically when the program starts and is the token of the current geolocation. QTH is determined using the GPS function. 過去の移動運用時のQSLカードを発行. Field Day is June 24-25, 2023. Search the for Website expand_more. Report problems or successes as comments on this page. Advanced Member. / Position SelectedQTH. To view maps need the presence of the Internet on your device. QTH is determined using the GPS function. QTH is determined using the GPS function. Displaying greyline; 027 03. Designed for Android version 2. His QTH is determined automatically when. Nu vad de ce ar fi gresit sa spui "Maidenhead QTH Locator", "QTH Locator" sau si mai prescurtat "Locator", cand te referi la sistemul de localizare a. Quick and simple grid locator. To view maps need the presence of the Internet on your device. The Earth's surface is divided into 18x18 fields. Data by OpenStreetMap, under ODbL. Calulate locator,etc. The transmit functions require a software license. On-Line DX-Spot analysis database DG7YBN TANT manual: JT65B, a guide for beginners to MoonBounce (EME) Listen to some recorded Ham-Radio sounds : EA6VQ EME calendar : 144 MHz activity DX contest rules Azimuthal Map by NS6T world map, centered on your QTH, with compass headings on the rim Canada Prefix Map Caribbean Prefix Map CIA World Factbook source of DXCC Country Maps & Facts CQ Zone Map Interactive DX Atlas Greece (SV) Prefix Map Greece (SV) Prefix Map by Radio DX Group of Thrace Hungarian County & Prefix Map by Bela, HA9SU Iceland (TF. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. To view maps need the presence of the Internet on your device. QRA locator. QTH Locator and IARU Locator) is a geographic co-ordinate system used by amateur radio operators to succinctly describe their locations, which replaced the deprecated QRA locator that was limited to European contacts. His QTH is determined automatically when the program starts and is the token of the current geolocation. Large cities. His QTH is determined automatically when the program starts and is t…Displays your current QTH Locator through present GPS coordinates. 7. Having been inactive for 35 years I am now trying to get used to the new Maidenhead locator system, I was brought up on QRA Locators with a 5-character structure, which doesn't seem to be. For example, W1* finds all W1 calls. QTH Locator Generator Map. QTH Locator Format. Displays your current QTH Locator via current GPS coordinates. Hint: it’s under “Grids”: It’s not available at map zoom 2 or less, due to a problem Google maps have with objects extending over the international date line. Representing a round earth on a flat map requires some distortion of the. This link is listed in our web site directory since Sunday Apr 1 2007, and till today "US Grid Square Map" has been followed for a total of 5403 times. The main advantage is that the. This is a free version of the program "QTH-locator". . To view maps need the presence of the Internet on your device. G4APL's Location DXCC and beam headings. Entering a QTH locator in the search box will move the map to the given location and show a rectangle containing the given locator. Maidenhead locator codes are used to identify the operators location and are often referred to as a QTH locator,. Using this approach, you would enter FN31pr to get a map centered on ARRL headquarters. Calulate locator,etc. Vindo para se juntar a eles e. The QTH locator (or Maidenhead locator) is a handy and compact way of transmitting geographical coordinates used by radio amateurs. Find your QTH locator (or your grid square) with GoogleMaps. The program is designed to define the QTH-locator, used by radio amateurs all over the world when working on the VHF bands. QTH Locator and IARU Locator) is a geographic co-ordinate system used by amateur radio operators to succinctly describe their locations, which replaced the deprecated QRA locator that was limited to European contacts. Latitude and Longitude in Decimal Degrees and Altitude in meters. To view maps need the presence of the Internet on your device. This simple app displays the current value QTH LOC (Maidenhead Locator)In this case I have entered an address of 1018 Plenty Road, Bundoora, Vicoria, 3083. As mentioned above, the QTH has other meanings. Latest version of Easy QTH Locator is 2. QTH LOCATOR, QTH locator QRA. To view maps need the presence of the Internet on your device. The QRA locator, also called QTH locator in some publications, is an obsolete geographic coordinate system used by amateur radio operators in Europe before the introduction of the Maidenhead Locator System. 86-87. Resources listed under Beam Headings category belongs to Operating Aids main collection, and get reviewed and rated by amateur radio operators. Ham QTH Locator. Map of locators of Mallorca (JM19) Map of locators of Mallorca (JM19) Map of locators of Mallorca (JM19) TEP on 144 Mhz. , "51. Calulate locator,etc. The main advantage is that the. A recent 'year end review' posting in the Amateur Radio Weekly blog, reminded me of great little piece of online software that might interest a lot of hams. You can zoom the map with the help of the mouse wheel or the control on the upper left part. This app assumes that by default your device reports. You can even make your own maps at WM7D's Map Generator. G1YBB B2 Contesting Locator Map of UK & Europe (15. Round down to the nearest integer. QTH is determined using the GPS function. So far received 37. Data by OpenStreetMap, under ODbL. Entering a QTH locator in the search box will move the map to the given location and show a rectangle containing the given locator. QTH_LOCATOR_YANDEX_MAP. About QTH Locator map The resource is currently listed in dxzone. Let's download QTH Locator and enjoy the fun time. (by OK2PBQ) phpQW Tool Log Analysis; Web based Amateur Radio Log Analyzer display qso map based on uploaded log, support ADIF Cabrillo. QTH is determined using the GPS function. I also transfer the QTH Locator of the summit so my logbook program can calculate distance and display the location on a map. To view maps need the presence of the Internet on your device. Il QTH locator viene richiesto dai radioamatori e SWL per alcune attività di contest VHF-UHF. QTH is determined using the GPS function. If the accuracy is low, a warning will be given and the QTH locator is perhaps not reliable. America The resource is currently listed in dxzone. Hit the button. QTH is determined using the GPS function.