CONVERTOR by TK5EP (2014-2021) CONVERTOR written by Patrick EGLOFF TK5EP Move the mouse over the map and this page will show you latitude and longitude coordinates in WGS84 (both decimal and DMS), UTM as well as Maidenhead format. 2023 / 01:55. 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. (C) F6FVY 2007 - 2014 Updated by F5UKW (API V3) - Click on the map or locate the entered QTH locator (2, 4 or 6 chars) : DXBeam antennas. Natural Area Code. QTH Distance Map Europe. Software/Grid Bearing and Maps - Grid square ham radio maps and great circle software calculator bearing. You can zoom the map with the help of the mouse wheel or the control on the upper left part. Calendrier REF 2023. longitudes and latitudes starting from the Greenwich meridian and from 40 degrees North. Great circles qra locator map. About this app. Large cities. Add to cart HAM Wall Maps. program to make Great Circle maps from any location. 6 This program calculates grid squares from latitudes and longitudes, the reverse, and calculates. Measurements made with my IFR 2945A service monitor. AG. Please consider donating to help keep this page active. On-Line database of VHF & up QSO. QRA-L ocator map, while at the Region 1 Conference in Scheveningen the system was re-baptised with the more appropriate name QTH-Locator. QRA Locator Wall Map Europe Version 3. Great Circle Calculator. QTH Locator maps. You can zoom the map with the help of the mouse wheel or the control on the upper left part. From now on, the Leaflet API and free basemaps are used. 00 European QRA Locator Map (V3) for Radioamateurs, ideal for the shack. 680MHz USB. New and updated data is shown on the map in real time without need to reload or refresh the page! Tracking data is stored in the database for six months. Point cursor on the map and choose the sectors column AA-AR etc. This link is listed in our web site directory since Saturday Sep 6 2014, and till today "Dx-cluster map" has been followed for a total of 2745 times. 3 but in this case applied it to near-surface temperature rather than upper level winds, to develop a zonal mean QRA temperature fingerprint. - a tool for measuring distance and azimuthMap For Ham by Diego, IU1FIG, an incredible map application rx-tx. (Note: The images online are not in HD to avoid slow loading pages. QRA locator map; Carte RS Europe; Circular SWR ruler; APRS; Arduino. So far received 19 votes for a total score of 2. co. This Amateur ham radio QTH locator grid square calculator tool converts. TK5EPs QRA locator map version 1. Terry VK5TM Reply Quote « Next Oldest | Next. 2023 / 01:09. 10 digit QTH GRID LOCATOR. And in its final form the QRA-Locator consisted of a five-character code, viz. Prévision propagation VHF- UHF Europe. SIM800L. New features have been added, such as: - search by QRA locator on 6 or 8. In totale il WW-Locator suddivide la Terra in 18. QRA_V3. Maidenhead Locator Latitude Longitude. Zurück. The QTH locator (or Maidenhead locator) is a handy and compact way of transmitting geographical coordinates used by radio amateurs. This was the QRA-Locator system, devised in Germany, originally based on a two-stage sub-division of geographical longitudes and latitudes starting from the Greenwich meridian and from 40 degrees North. Distributeur Matériel OM. Private site Pawel SP2SGNThe 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. €13. The Grid Square Locator, also known as the Maidenhead Locator System, is a geographical co-ordinate method based on a 6-digit code, widely used by amateur radio operators to determine a rough position on the Earth. Quick Reaction Alert QRA Nuclear Atomic Weapons Pershing Warhead Storage Waldstetten Schwabisch Gmund US 41st Field Artillery Germany Abandoned Bunker . The assumptions made as part of the original risk assessment may no longer be valid. Having recently acquired this small VHF/UHF UV-998 dual-band mobile transceiver from LEIXEN, here are some informations. This was the QRA-Locator<br />. This means Royal Air Force crews are on standby 24 hours a day, 365 days a year, and ready to react at a moment's notice to reach a threat within minutes, no matter the location within or just outside the. uk. Garry gave his QRA locator as IH74DB. 7. More information on how to create your own application, use hi-res picture or include WRC in other applications will follow. Home > . It also allows to send DX-Spots and more features. So far received 7 votes for a total score of 7. Change the OwnUsed value to ARRVIN and save the file. 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. Right click for more options. DX-Sherlock - QSO real time maps and listings - Shows QSO and SWL in real time, taking data from many different sources (DX-Cluster, WSPR, Reverse Beacon). K3NG Keyer; K3NG rotator Ethernet; K3NG rotator for HAM IV; K3NG rotator universal interface; Arduino and SIM800L; Station météo; HX711 mesure de poids; Economiser de la SRAM ! Arduino & SIM900; Arduino et mesure de tension; USB audio. The Maidenhead Locator System can describe locations. Last modified 2022-10-20. AOR, YAESU, COMET. €43. For example, QRA locator map for VHF/UHF contest. The Maidenhead Locator System 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 scale is 1 - 10, with 1 being poor and 10 being excellent. In the log it was saved as Hawaii. This may be old news, but stumbled across this QRA Locator map today CONVERTOR by TK5EP (2014). You have multiple display choices like satellite maps, daylight curve, bearing calculator and distance between 2 points. HamCalc v1. Enter your Maidenhead Locator (All six characters) Enter the remote locator (All six characters) and then. Its main use is for transmitting the geographical position of stations. Once the HAAT value is obtained, it must be converted to feet (feet = m x 3. You can change it using Ctrl-R. Blueetooth : The tracker can be used in conjunction with APRSDroid software (Android only) via Bluetooth and the KISS protocol. × NEW January 2023 Update: Changed elevation data provider, updated cache control. Argus. 3. Entering a QTH locator in the search box will move the map to the. Go back to the callbook. Antennas_manufacturers About Rtty mode Audio Recording Amplifiers Antennas Satellite Amateur Television ATV Aprs software Beacon Band Plan Ham Radio Capitals Europe DX cluster softwareAdjust setting as shown, enter your location or QRA locator, then press Create Map. <== click in profile to relocate map / identify obstacle. K3NG Keyer; K3NG rotator Ethernet; K3NG rotator for HAM IV; K3NG rotator universal interface; Arduino and SIM800L; Station météo; HX711 mesure de poids; Economiser de la SRAM ! Arduino & SIM900; Arduino et mesure de tension; Kicad; USB audio interface; Search; LoginQTH/QRA Locator Program for the y Fuller 8?z C8 1 If you are going /A or /P on holiday or DXpedition you are able to work out all possible QRA locators, or draw the QRA squares on a map, from the information derived from Program A. To successfully run the application, you must give your device permission to determine your location, turn on GPS. (Max AD8307 input = + 10 dBm) + 53 dB = 63 dBm = 2 kW. The last verification results, performed on (June 05, 2023) qra-locator-map. Argus d'avril 2020. It has been developed for a course on Visual Basic as an example. Satellites, moon and space. The transponder has an uplink on 2. Lamination Reference QRA_Monde_2. The QRA locator system was limited to describing European coordinates, and by the mid-1970s there was growing need for a global locator system. 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. DR2W. Information about safe working near our pipes is. K3NG Keyer; K3NG rotator Ethernet; K3NG rotator for HAM IV; K3NG rotator universal interface; Arduino and SIM800L; Station météo; HX711 mesure de poids; Economiser de la SRAM ! Arduino & SIM900; Arduino et mesure de tension; USB audio interface; Wintest;. 680MHz USB. 00/10. To successfully run the application, you must give your device permission to determine your location, turn on GPS. 10,120 MHz = 14,07 m. €13. This WebSDR is located in the historical Kingdom of Wessex, South West UK, in QRA locator square IO80QR. - a tool for measuring distance and azimuth. program to make Great Circle maps from any location. Use of the terms QTH locator and QRA locator was. 73, Codrut toggle quoted message Show quoted textWorld Meteorological Organization (WMO) squares is a system of geocodes that divides a world map with latitude-longitude gridlines into grid cells of 10° latitude by 10° longitude, each with a unique, 4-digit numeric identifier (refer chart at NODC World Ocean Database 2005 page). There have been several evolutions since, with a peak activity of a dozen repeaters ! By now, only 5 are currently active. XBS-TELECOM. In the early days of VHF, you could get awards for how many counties you worked from your location, and in fact you still can. Position MyHomeQTH. The RDZ_TTGO receiver is autonomous because it displays all the necessary informations, namely: - GPS data transmitted by the radiosonde (Lat, long, altitude, temperature, humidity) - GPS data of the position of the TTGO receiver. Per trovare il tuo QTH locator, è sufficiente fare clic sulla posizione dove ti trovi. See more of F5JTM radioamateur on Facebook. 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. Great Circles & QRA Locator. This may be old news, but stumbled across this QRA Locator map today CONVERTOR by TK5EP (2014). Well, we've created WhatsMyLocator. Finnish Air Force base. (by EI8IC)European QRA Locator Map (V3) for Radioamateurs, ideal for the shack. 2. on a map. - a tool for measuring distance and azimuth QRA locator is an obsolete geographic coordinate system used by amateur radio operators in Europe before the introduction of the Maidenhead Locator System. All you need to provide is your postcode and you'll have your locator instantly on any internet-enabled device. ) It is worth considering why any locator system at all is felt to be necessary. com has an invalid SSL certificate. Ham Radio Wall Maps . There are several repeaters over Corsica. At the<br />. GridLocW - a Lat/Long. Die Erdoberfläche wird dadurch in Felder unterteilt, die als Positionsangabe verwendet werden. speaker/headphones without using browser For example, QRA locator map for VHF/UHF contest. QTH grid (Maidenhead) locator system. Summaries 144 MHz in Europe. QRA_V3. As a radio transmitter or receiver location system the QRA locator is considered defunct, but may be found in many older documents. KH6/OK2CQR). K3NG Keyer; K3NG rotator Ethernet; K3NG rotator for HAM IV; K3NG rotator universal interface; Arduino and SIM800L; Station météo; HX711 mesure de poids; Economiser de la SRAM ! Arduino & SIM900; Arduino et mesure de tension; USB audio interface; Wintest;. / OSM / Profile ZL: 7. *Locator is defined by the ADIF standard as "the logging station's 2-character, 6-character, or 8-character Maidenhead Grid Square. The last QRA locator map no longer uses any API functions or Google maps. The gain and return loss use the same 40 graduations linear scale and the SWR is a special scale responding to the SWR vs power formula. Clear searchQTH en GPS Locator. XBS-TELECOM. Colour QSL Cards for Radio. Grid locator: Locality: Country: Enter 6 character grid square or Enter locality or Click on the map! to QRZ. It is primarily intendend to be used on the lower bands 160m, 80m, 40m. Telnet access to DX Clusters and Reverse Beacon Network (RBN) CW, RTTY Skimmer: dxcluster. XBS-TELECOM. 77. Klik hier voor full screen. You can enter your location in decimal degrees or degrees, minutes, second! If you don't know your station's Latitude and. plate carrée projection, Mercator or other) between 80°N and 70°S latitudes (or 90°N and 80°S: refer chart at Ocean Teacher’s Ocean Geography page) into grid cells of 10° latitude by 10° longitude, each with a. Qra has got three KL outlets now, in Bukit Tunku, Bukit Damansara and Mont Kiara. READ IMPORTANT NOTE BELOW. 50-52MHz 6mThe Maidenhead Locator System replaces the older QRA locator system with one that is usable outside Europe. The first section is fed at its end and resonates on the highest band (shortest wave length), the 20 m. Great circles qra locator map. From now on, the Leaflet API and free basemaps are used. Il World Wide. 00) In the Uv88_SoftWare_Eng subdirectory, edit the configuration file setting. CONVERTOR by TK5EP (2014-2021) CONVERTOR written by Patrick EGLOFF TK5EP Move the mouse over the map and this page will show you latitude and longitude coordinates in WGS84 (both decimal and DMS), UTM as well as Maidenhead format. Find and install UV-88 software (default in C:/UV88 V1. 1959 a code system was adopted for giving the location of a station. 400 rettangoli con una dimensione immaginaria di 9260 metri (= 1852 x 5) di larghezza e 4630 metri (= 1852 x 2,5) d’altezza. a. re-baptised with the more appropriate name QTH-Locator. Adjust setting as shown, enter your location or QRA locator, then press Create Map. 00 HTF offer : two radio amateur wall maps with a choice of options and sizes. Argus. Beschreibung in Deutsch , Java Applet for hams that calculates distance and. QRA-Locator – Map of Europe 1965 – IARU R1 The QRA-Locator consisted of a five-character code with two capital letters, a two-digit number and a lower-case letter, for example AB55m. on a planar surface created by a particular map projection. Login is required for additional detail. 281). Position MyHomeQTH. 1) Create a new device using the "Create a new device" button and select "Connector'. Moving the mouse over the map will show you latitude, longitude, WW locator of the mouse position (SCP) and azimut + distance from this SCP to your home location and to the DX location if you have set it. Simply enter your six-digit locator code into the box below and press "Calculate". Region 2 — the Americas. The Earths surface is divided into 324 "fields", each one is 20 degrees (longtitude) by 10 degrees (latitude). / OSM / Profile ZL: 7. This website allows you to zoom in to your operating location and determine your precise 6 figure grid reference: TK5EP’s QRA locator(and more) map (egloff. Great Circles & QRA Locator. You don't have to use a hi-res picture, it will be scaled to 600x600 pixels anyway. See full list on dxzone. Get directions, maps, and traffic for Victoria. 69/10To see a bigger map, use Menu–>Window–>Map. HAM Wall Maps Special Offer. Poiché la lunghezza dei meridiani è costante mentre la lunghezza dei paralleli varia con la latitudine, i rettangoli non hanno tutti le stesse dimensioni. The Maidenhead Locator System replaces the older QRA locator system with one that is usable outside Europe. So far. So far received 5 votes for a total score of 10. This interface is designed to be used with a 5 wire cable to the computer side, RD, TD, RTS, CTS and GND. We would like to show you a description here but the site won’t allow us. Find a locator: or use the search magnifying glass icon to locate a place. arrow_forward. 6 ] GcmWin : Great Circle Map pop - GCM is a freeware great circle map plotting software for windows, you can choose colours, scale, meridians, fields and or squares from the maidenhead locator system. It will open a Google map centered on locator. 7 Grid squares Magnetic equator Moon footprint ITU zones Search: Zoom/drag the map and click somewhere to calculate the grid square, extended locator, IOTA, DXCC, CQ&ITU zones, etc. On the general tab, you should enter your callsign and your locator. You don't have to use a hi-res picture, it will be scaled to 600x600 pixels anyway. OF_1. displays beam headings and SpotCollectorDX Spots on a world map, displays country maps, and provides point-and-clickcontrol of antenna rotators from AlfaSpid, ARSWIN, Heath, Hygain, M2,Prosistel,. hu:7373 Find and browse HAM Radio WW Locator QTH. From now on, the Leaflet API and free basemaps are used. All bands and modes are count for the award. or Longitude, you can look it up on QRZ. IRLP Overlay For Google Earth; Echo Link Overlay For Google Earth; APRS Overlay For Google Earth; MMSSTV-decode by PC; MMTTY-RTTY decode by PC; EasyPal-digital SSTV decode by. Geog is a suite of programs written by Andy Talbot. Maps. Data by OpenStreetMap, under ODbL. 2) In the same way, create a new device by selecting "TcpClient". Maps. From that we can calculate the power range that we can measure and still be within the linear range of the AD8307. 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 (AA) at (90°S, 180°W). nl BamiPorto. Our maps our printed in high definition on quality coated paper using pigmented inks which don't fade. The circuit in test - with ARDUINO UNO. Summaries 144 MHz in Europe. From now on, the Leaflet API and free basemaps are used. GcmWin Great Circle Map. 11. Summaries 144 MHz in Europe. Find your locator by exploring the map or by searching an address. QRA was developed in the 1970s for the aerospace, electronics, and nuclear power industries, and in the. The main advantage is that the coordinates are expressed with very few characters and this is good for operating in CW. My scripts "WW locator map" and "Rain scatter" since offered a limited map with very few details. 00 European QRA Locator Map (V3) for Radioamateurs, ideal for the shack. The current system is world-wide, where the old European system could be repeated many times around the globe. IARU Locator -to- Lat/Long Converter. QRA_V3. Reference to a complete QRA locator map will show that some codes are not unique. [1] Its purpose is to be concise, accurate, and robust in the face of interference and. Con tale termine, che sostituisce quello di QRA Locator e di QTH Locator, si intende un sistema per individuare la posizione geografica (un'area e non un preciso punto geografico) di una certa località del globo o nel nostro caso di una stazione radioamatoriale. China, The Republic of – See Taiwan (Province of China) . The place is secluded and the bunkers are much overlooked by the locals, who keep on the main. Do more with Bing Maps. 050 MHz = 20,20 m. Recommended methods to prepare coverage map 36 IARU-R1 BEACON COORDINATION 37. The mapcode system is an open-source geocode system consisting of two groups of letters and digits, separated by a dot. We would like to show you a description here but the site won’t allow us. 1 - 0. Leaflet | Map tiles by Carto, under CC BY 3. Once the HAAT value is obtained, it must be converted to feet (feet = m x 3. Choose a new virtual port number, for example COM3. Entering a QTH locator in the search box will move the map to the. program to make Great Circle maps from any location. Coordinates Click to copy datas to clipboard. Interactive map with the position of amateur radio repeater bridges and more: Connect your PC to DMR,Yaesu Fusion, Dstar, M17, P25, NXDN: Connect your Mobile Phone to DMR,Yaesu Fusion, Dstar, M17, P25, NXDN: Qatar Oscar 100 Narrowband Websdr: TK5EP's QRA locator (and more) map Maidenhead Locator System. Last Updated: 10 December 2022. If you’re creating a map about a hilly area, it’s helpful to show a shaded relief. So far received 5 votes for a total score of 4. Great circles qra locator map. HTF. 281). Argus d'avril 2020. - search by address, location. gridlocw grid locator for windows in the pascal-based environment of delphi. 39-41MHz 8m. Quantitative risk analysis (QRA) is a technique for quantifying the risk that a particular process or operation poses to an individual and population. gridlocw grid locator for windows in the pascal-based environment of delphi. K3NG Keyer; K3NG rotator Ethernet; K3NG rotator for HAM IV; K3NG rotator universal interface; Arduino and SIM800L; Station météo; HX711 mesure de poids; Economiser de la SRAM ! Arduino & SIM900; Arduino et mesure de tension; USB audio interface; Wintest;. Move the mouse over the map and this page will show you the Maidenhead locator, latitude/longitude coordinates in WGS84 (both decimal and DMS), UTM as well as french. The typical procedure to perform a QRA consists of the following steps: Identify relevant activities, units, and processes. QRA during operations. Salons-Concours etc. Add to cart HAM Wall Maps Special Offer. Add to cart HAM Wall Maps. Add to cart Azimuth Map with HAM prefixes Version 1. NGR to IARU Locator. Imp. The main advantage is that the coordinates are expressed with very few characters and this is good for operating in CW. Once the HAAT value is obtained, it must be converted to feet (feet = m x 3. You must at first set your home location ! To do this, move the cursor to your home location, click on the map and a dialog box will open. - The distance and bearing from the receiver to the radiosonde. Maps. Enter any address, city & state or zip: Find your QTH locator (or your grid square) with GoogleMaps. Salons-Concours etc. Azimuthal Map полушарие, с указанием NØUK's Maidenhead Grid Distance & Bearing Calculator. It uses a string of. 00 5/180 IARU-R1 IARU R1 beacons: a guide to good practice 37 Coordination procedure 37 Local Beacons: 37. LogView is a free post-contest log-visualisation tool, for analysing contest performance. Maidenhead Locator Squares By John Desmond, EI7GL What is a Locator Square? If you are new to radio or the VHF bands, you may not be familiar with locator squares. 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 Maidenhead Locator System is a geographic co-ordinate system used by amateur radio operators. Sporadic-E clouds. It is certainly not necessary, but preventing is better than curing !. There is also valet parking available and a parking garage underneath the Arcoris building. The main category is Grid square locators that is about Amateur radio grid squares. Safety starts with understanding how developers collect and share your data. Was Strass near Neu Ulm an early QRA site (1969) for the 1-81? 4. ini. Thu Jan 11, 2018 3:28 pm. Data safety. Dr. The data is automatically updated every 60 second. €13. Use of the terms QTH. The next segment to the east has the letter 'Y' and its centre is 90 West. Summaries 144 MHz in Europe. Did the 1-81 have a QRA mission while stationed at Mainz and Wackernheim (1964-1968)? If so, where was the site located? 2. [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. / Position SelectedQTH. (Magenta needle) The Square and the Subsquare are drawn as well for your. Calendrier REF 2023. It will give you directions for your antenna (or beam headings as they're known) but it will also do something else for you. Caribbean Netherlands – See Bonaire, Sint Eustatius and Saba . Democratic People's Republic of Korea – See Korea. Ireland and most of the UK is in the "IO" field. Maps. VHF Handbook 9. It has been developed for a course on Visual Basic as an example. 281). GcmWin Great Circle Map. AE. description in english. Miller landed on Germiston Golf Course and thought the area close by would be suitable as an airfield due to its location near to. Zum Beispiel könnte jemand in einem. 2050 m Gravel; Radio beacons. 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. The main reason is pure convenience. height = ln (HAAT/10) (ln = log neperian) In both cases, choose the closest value. - The IP address assigned to. Dal 1° gennaio 1985 è entrato in vigore il WWL o World Wide Locator. Radioamateurs du Dpt. OF_1. The most recent report is displayed. QRA Locator Wall Map Europe Version 3. 77. com in a single category. K3NG Keyer; K3NG rotator Ethernet; K3NG rotator for HAM IV; K3NG rotator universal interface; Arduino and SIM800L; Station météo; HX711 mesure de poids; Economiser de la SRAM ! Arduino & SIM900; Arduino et mesure de tension; USB audio. Salons-Concours etc. DR2W. This link is listed in our web site directory since Wednesday Jan 8 2020, and till today "Interactive Ham Radio Locator Map" has been followed for a total of 1338 times. WinGrid Ver3. k. - search by address, location. It is on board the Es-hail-2 satellite which was launched in 2018. This link is listed in our web site directory since Wednesday Jan 8 2020, and till today " Interactive Ham Radio Locator Map " has been followed for a total of 1336 times. The shapes of the borders are not exact, but the map enables you to get an impression where the grids are. engineered by Tom. 99 dB, say 53 dB. 4GHz and a downlink on 100GHz and was a joint project between the Qatar Satellite Company, Qatar ARS and AMSAT (Deutschland). It is administered by G8JNJ. Prévision propagation VHF- UHF Europe. The transmit frequency can be the same (simplex) or different (duplex) from the receive frequency. Each projected coordinate system, such as "Universal. RTS and CTS are left. Hits: 94441. 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. - display of the grayline with permanent updating. The Earths surface is divided into 324 "fields", each one is 20 degrees (longtitude) by 10 degrees (latitude). Country List. HL. QRA-Locator project management toolbox pdf download map, while at the Region 1 Conference in. You can zoom the map with the help of the mouse wheel or the control on the upper left part. Advanced Member. . GridLocW - a Lat/Long. 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. Northern Gas Networks, 1st Floor, 1 Emperor Way, Doxford International Business Park, Sunderland. More information on how to create your own application, use hi-res picture or include WRC in other applications will follow. See the ISO 3166-3 standard for former country codes. It will give you directions for your antenna (or beam headings as they're known) but it will also do something else for you. QSL: BUREAU, DIRECT OR LOTW. ) It is worth considering why any locator system at all is felt to be necessary. Argus. LINKS. 6) m s −1 matches well the observed A ˜ 7, o b s ≈ (4. Re: QTH Locator maps. . 12 INTRODUCTION OF LOCA and discover magazines on Yumpu. QRA-L ocator map, while at the Region 1 Conference in Scheveningen the system was re-baptised with the more appropriate name QTH-Locator. . k. Michael gave his QRA locator as KN20HS. Runways: ca.