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HAM Distance: Grid & Callsign

HAM Distance: Grid & Callsign

Amateur Radio QTH Distance

0 ratings
2 reviews
🔧 Utilities
🔍 Reference
Free
In-App Purchases

Details

  • Released
  • Updated
  • April 3, 2013
  • April 9, 2026

Features

Developer

Mircules
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HAM Distance: Grid & Callsign screenshot #1 for iPhone
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HAM Distance: Grid & Callsign screenshot #5 for iPhone
iphone
ipad
🧾$0.99 - $3.99
In-App Purchase↘︎
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📝1+ tags
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❓8 answered
FAQ↘︎
📦~ in 11 months
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About

Calculate distances between amateur radio stations using callsigns, grid locators, or coordinates. Save, visualize, and analyze your contacts with interactive maps and statistics. Syncs across devices via iCloud.

✓Distance calculation via callsign, grid, or coordinates
✓Save and label distance pairs
✓Interactive map visualization of contacts
✓Contact statistics and distribution charts
✓iCloud sync across devices
✓Home screen widgets for quick access
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What's New in HAM Distance

5.0

April 9, 2026

Completely rebuilt from the ground up! NEW IN 5.0 • Native iOS experience — faster, smoother, and designed for iPhone • iCloud sync — your saved pairs sync across devices automatically, no account needed • Apple Maps — interactive map with markers and distance lines for every pair • Home screen widgets — see your latest calculation at a glance • Statistics dashboard — total contacts, longest/shortest distance, average, and distribution chart • Tip jar — support development if you find the app useful IMPROVED • Faster callsign lookups with local caching • Better Maidenhead grid locator support (2-8 characters) • Cleaner calculator interface with persistent input state • Secure credential storage in iOS Keychain This is a major rewrite. If you run into any issues, please reach out at info@mircules.com. 73!

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In-App Purchases

$0.99

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User reviews

Most RecentHighest RatedLowest Rated

No longer works with iOS 13.2

Was useful for microwave contest work as a Rover, butt since the iOS update to 13.2 it won't stay open, so is now useless.

Author - please fix it, and when you do, please make it more readable for us old hands with failing eyesight! Bigger fonts, improved colors/contrast!
JardiniJardini

Response from developer

We had an issue with iOS 13 but now it's working again. We will bring out a new version in the near future with a total overhaul of the user interface. We will keep your suggestions in mind!

Mercilessly distance

NO RATING!

Does not work with QRZ. Cannot recognize QRZ's password.

Wasted $.99.

W4IJY
old hill boyold hill boy

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FAQ

What is HAM Distance?

HAM Distance is a utility app designed for amateur radio operators. It allows users to calculate the great-circle distance between two radio stations using their callsigns, Maidenhead grid locators, or decimal coordinates. The app also offers features for saving, visualizing, and analyzing contact data.

How does HAM Distance calculate distances?

HAM Distance uses the Haversine formula to accurately calculate the great-circle distance between two points on a sphere. It can resolve callsigns to coordinates by integrating with QRZ.com or HamQTH.com.

Can I save my distance calculations with HAM Distance?

Yes, you can save your distance pairs with custom labels, such as "Home to repeater" or "Field Day DX." These saved contacts can be reviewed anytime and are synced across your devices via iCloud.

Does HAM Distance have ads?

No, HAM Distance is free to use and does not contain advertisements. Tips are welcome from users who wish to support the developer.

What devices does HAM Distance support?

HAM Distance is available for iPhone and iPad. It was last updated on April 9, 2026, indicating ongoing support and development.

How often is HAM Distance updated?

The latest version of HAM Distance is 5.0, released on April 9, 2026. This suggests the app receives regular updates to maintain functionality and compatibility.

Is HAM Distance suitable for young children?

HAM Distance has an age rating of 4+, making it suitable for a wide range of users. The app's functionality is focused on technical calculations relevant to amateur radio.

Can I use HAM Distance offline?

While the core distance calculation functionality can be used offline, features like callsign lookup via QRZ.com or HamQTH.com require an internet connection. iCloud sync also necessitates an internet connection.