Grid Locator Calculator4.0 - App Store
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Publisher Description
For Amateur Radio operators who often travel to unknown places.
Forgot to check GL reference? Do not worry.
If you have iPhone and GPS is working then you can check your location's GL reference very easily. You do not need internet connection.
Ideal if you go to mobile or portable operation often and not sure where GL boundaries are.
App shows you 10 digit locator. If you need only 4 or 6 digit, just use first 4 digit or 6 digit, respectively.
Note: Usually Grid Locator is 6 digit as defined in ARRL document. This 10 digit is expansion of 6 digit as 7th and 8th are divided by 10 ("0" through "9") then 9th and 10th are divided by 24 ("a" through "x"). This logic is based on article on Wikipedia.
Version History Thanks for using this app. There are several performance improvement as well as design change.
Wish you enjoy app! 4.0 06/17/2020 Bug fix.
In some location, last digit of calculated Grid Locator (5th latitude) was wrong.
Thanks for using app. As usual, any feedback is welcome, send to mj0cfw@gmail.com 3.1 07/27/2017 App shows 10 digit Grid Locator.
Note: Usually Grid Locator is 6 digit as defined in ARRL document. This 10 digit is expansion of 6 digit as 7th and 8th are divided by 10 ("0" through "9") then 9th and 10th are divided by 24 ("a" through "x"). This logic is based on article on Wikipedia.
As usual, any feedback is welcome, send it to mj0cfw@gmail.com 3.0 07/25/2017 Made performance improvement.
As usual, any user feedback is welcome at mj0cfw@gmail.com 2.3 07/07/2016 Bug fix - in some cases app crashes because failed to fetch address information from internet. 2.2 03/30/2016 Fix address format so now app shows street, city, postal code, country. 2.1 10/18/2015 Updated for iOS8 location service. 2.0 10/03/2014 Minor bug fix - previous version shows incorrect grid locator reference if user location latitude is between 0.0 and -1.0 degree. 1.3 12/18/2013 added text messaging (SMS)
- Now you can send text message 1.2 11/08/2013 Japanese version added. 1.1 10/17/2013 1.0 09/30/2013
About Grid Locator Calculator
The company that develops Grid Locator Calculator is Kazunori Watanabe. The latest version released by its developer is 4.0.
To install Grid Locator Calculator on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Grid Locator Calculator as malware if the download link is broken.
How to install Grid Locator Calculator on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Grid Locator Calculator is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Grid Locator Calculator is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 4.0
posted on 2026-10-13
Version History Thanks for using this app. There are several performance improvement as well as design change.
Wish you enjoy app! 4.0 06/17/2020 Bug fix.
In some location, last digit of calculated Grid Locator (5th latitude) was wrong.
Thanks for using app. As usual, any feedback is welcome, send to mj0cfw@gmail.com 3.1 07/27/2017 App shows 10 digit Grid Locator.
Note: Usually Grid Locator is 6 digit as defined in ARRL document. This 10 digit is expansion of 6 digit as 7th and 8th are divided by 10 ("0" through "9") then 9th and 10th are divided by 24 ("a" through "x"). This logic is based on article on Wikipedia.
As usual, any feedback is welcome, send it to mj0cfw@gmail.com 3.0 07/25/2017 Made performance improvement.
As usual, any user feedback is welcome at mj0cfw@gmail.com 2.3 07/07/2016 Bug fix - in some cases app crashes because failed to fetch address information from internet. 2.2 03/30/2016 Fix address format so now app shows street, city, postal code, country. 2.1 10/18/2015 Updated for iOS8 location service. 2.0 10/03/2014 Minor bug fix - previous version shows incorrect grid locator reference if user location latitude is between 0.0 and -1.0 degree. 1.3 12/18/2013 added text messaging (SMS)
- Now you can send text message 1.2 11/08/2013 Japanese version added. 1.1 10/17/2013 1.0 09/30/2013
version 4.0
posted on 2020-06-17
Jun 17, 2020
Version 4.0
Thanks for using this app. There are several performance improvement as well as design change.
Wish you enjoy app!
version 4.0
posted on 2020-06-17
Thanks for using this app. There are several performance improvement as well as design change.
Wish you enjoy app!
version 2.3
posted on 2013-09-30
Disclaimer
Official App Store Link
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