# Grid Square

> Displays grid square and radio beacons, lighthouses, national parks, call signs

Canonical page: [https://chrome-stats.com/d/com.us1pm.gridzone](https://chrome-stats.com/d/com.us1pm.gridzone)

## Overview

- **ID:** `com.us1pm.gridzone`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** HAM Radio Tools
- **Category:** TOOLS
- **Downloads:** 1,291
- **Rating:** 4.64 / 5 (12 ratings)
- **Version:** 3.9
- **Last updated:** 2026-08-05
- **First published:** 2020-08-02
- **Publisher country:** US
- **Size:** 15 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.us1pm.gridzone)
- **Website:** [https://us1pm.blogspot.com/p/grid-square.html](https://us1pm.blogspot.com/p/grid-square.html)
- **Privacy policy:** [https://us1pm.blogspot.com/p/privace-policy-gs.html](https://us1pm.blogspot.com/p/privace-policy-gs.html)

## Description

The Grid Square app displays an 8-character Grid Square Locator (also known as Maidenhead Locator, QTH Locator) calculated from geographic coordinates obtained from GPS satellites and the mobile network.<br>Along with your current location, the app will show information about nearby landmarks – radio beacons, lighthouses, national parks and some random callsigns of ham radio clubs and individual hams in the area.<br>In addition, geographic coordinates and altitude information are displayed, as well as a compass for orientation. Accuracy – applies only to horizontal measurements.<br>The distance to your home location will be available after you set (remember) your home location, or any other location you wish to use as a starting point for distance measurements. To do this, you need to use the app menu. You can change it anytime, anywhere.<br>The relative position of your current square among neighboring squares and the distance to the square boundaries are displayed in a clear graphical form - you can see the location of neighboring squares and subsquares. The inscriptions are highlighted in yellow if you are in a subsquare that borders a large square. To view more detailed information about the relative location of neighboring squares and your location inside the square, you can use:<br>- map (click the button in the lower left corner of the screen). An Internet connection is required.<br>- graphical interface (click the button in the lower right corner of the screen).<br>The database is loaded during application installation and contains the following topics:<br>- beacons<br>- lighthouses<br>- national parks and reserves<br>- call signs<br>and is displayed in 3 fields:<br>- In this square<br>- Nearby<br>- In the grid<br>You can use scrolling to view.<br>To speak the QTH Locator value in voice or Morse code, tap the corresponding icon on the device screen<br><br>Attention! The app&#39;s Time field displays the time of the last location update (not the current time).<br>Please make sure you have given the app permission to use location services to determine your location.<br>No internet or mobile network connection is required, except for working with map data.

## Rankings

- #1,077,734 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `com.us1pm.gridzone.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.us1pm.gridzone)