Amateur ham radio GPS QTH locator grid square calculator tool app for Android

Discussion in 'Ham Made Gear' started by KG9E, Jan 16, 2019.

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  1. KG9E

    KG9E Ham Member QRZ Page

    This Amateur ham radio QTH locator GPS map Grid Square calculator tool converts Latitude and Longitude geographical coordinates into Maidenhead Grid Square.
    This app assumes that by default your device reports Latitude and Longitude in Decimal Degrees and Altitude in meters.
    Tap on the Grid Square value field to have it read to you in phonetics.

    To convert among Decimal Degrees (DD), Degrees Decimal Minutes (D:M),
    and Degrees Minutes Seconds (D:M:S), tap either the Latitude or Longitude value field.
    Tap on the Altitude field to convert between Meters and Feet.

    You may use the Location Sensor (if Location Services are enabled with GPS)
    in your Android device to obtain your geographical location 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 minutes or more depending on
    your location and/or Android device.
    Once determined, subsequent GPS acquisitions usually complete within a few seconds or less.

    To enter custom coordinates, tap and hold either Latitude or Longitude value field and the keypad will be enabled.
    You may enter coordinates in DD, D:M, or D:M:S format, depending on the current display.

    Alternatively, if you have an Internet connection, you may use the Show Map option to display a map of your surroundings.
    Tap on the map to switch among Road, Terrain, and Aerial map types.
    Tap and hold on a map location to enter those coordinates as a custom Latitude and Longitude.
    Please note: the map shown is NOT a Grid Square map, but is provided as another way to
    enter custom geographical coordinates for a custom Grid Square calculation.

    Also, with an Internet connection, you may enter a custom Grid Square value
    and have those areas outlined on a world geographic map.
    You can enter values of Field (Green rectangle), Grid (Black rectangle), and SubGrid (Blue rectangle).
    Tap and hold the Grid Square value field to enable the Grid Square map and keypad.
    You may enter 2, 4 or 6 characters and the corresponding regions will be outlined.

    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.

    Optionally, you can choose 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 choose to enable DTMF tones on the keypad.
    The Decimal key doubles as DTMF *, and the Minus key doubles as DTMF #.

    This Android app may be of interest to 10 meter/6 meter/VHF/UHF
    amateur ham radio contest operators and QSO party participants.

    This app is intended as a amateur ham radio Grid Square calculator tool
    and QTH locator for VHF/UHF radio contesting and QSO parties.
    Despite its features, it is not intended to be a personal navigator,
    geocaching tool, trip planner, hike mapper, pet finder, etc...

    For 10-30 WPM CW Morse code learning,
    please see my Koch Morse code trainer and CW practice apps on
    Google Play and Amazon Appstore.

    YouTube video coming soon!

    Grid Square QRA QTH Locator Maidenhead Grid Square calculator tool Android app available on
    Google Play and Amazon Appstore:

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