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About the application:

No advertisements, nags, or in-app purchases. Please note that this apk will NOT automatically enable GPS/Location Services on your device. You must MANUALLY ENABLE GPS/Fine or WiFi/Coarse Place Services before this apk will detect your location. This QTH Locator Grid Square calculator program converts Latitude and Longitude geographical coordinates into Maidenhead Grid Square. This apk assumes that by default your device reports Latitude and Longitude in Decimal Degrees and Altitude in meters. To convert among Decimal Degrees (DD), Degrees Decimal Mins (D:DM) and Degrees Mins Seconds (D:M:S), tap the Latitude or Longitude value field. Tap on the Altitude field to convert between Meters and Feet. You may use the Place Sensor (if Place Services are enabled and set to GPS satellites) in your Android device device to receive your geographical place and calculate your current Grid Square, or you may enter a custom Latitude and Longitude via the keypad to calculate a custom Grid Square. Initial coordinate acquisition via GPS may take up to 2 mins or more depending on your place and/or Android device device, but subsequent acquisitions are completed within a few seconds or less. To enter custom coordinates, tap and keep the Latitude and Longitude value fields and the Custom Coordinates keypad will be enabled. You may enter coordinates in DD, D:DM or D:M:S format, depending on the current display. Alternatively, if you have an Internet connection, you may use the Present Map option to display a map of your surroundings. Tap and keep on a map place to enter those coordinates as a custom Longitude and Latitude. Please note: the map shown is NOT a Grid Square map, but rather it is other method to enter a custom geographical coordinate for a custom Grid Square calculation. Using the Present Marker option, you may calculate the distance and bearing from your place to other place by dragging the Marker to a desired place on the map. Additionally, with an internet connection or cached data, you may enter a custom 2, 4, or 6 hero QTH locator value to present the Field (green square), Grid Square (black square) and SubGrid (dark blue square) place on a map. Tap and keep the Grid Square value field to enable the Custom Grid Square Keyboard arrangement and map. If your device has an Orientation Sensor, then Azimuth readings will be displayed in decimal format and can be used as a compass. Tap on the Azimuth reading to show/hide. This grid square calculator apk will work in either portrait or landscape mode. Keep the Options button to override Sensor orientation and manually set portrait or landscape. Restarting the apk returns to Sensor orientation. Optionally, you can select to have your device sound and/or vibrate if the custom coordinate input is invalid or out of range, and with the Speech On option the Grid Square will be read to you in phonetics each time it changes. You may also select to enable DTMF tones on the keypad. The Decimal key doubles as DTMF *, and the Minus key doubles as DTMF #. This apk is intended as a amateur ham radio Grid Square calculator program and QTH locator for VHF/UHF radio contesting and QSO parties. Preppers and Survivalists may have an interest as well. Despite its features, it is not intended to be a private navigator, geocaching program, trip planner, hike mapper, pet searcher, etc...