QTH Locator
In-depth reviewQTH Locator provides real-time Maidenhead locator and UTC clock functionality. It is designed for individuals who need to quickly determine their location in the Maidenhead system and keep track of Coordinated Universal Time. The app is offline-capable and uses device location for its core features.

QTH Locator, as it opens in a browser tab.
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How to install QTH Locator as a PWA
Why we recommend QTH Locator
QTH Locator stands out for its straightforward and effective approach to displaying Maidenhead locator codes and UTC time. The app features a clean interface with a dual light and dark mode, adapting to user preferences. Its `display: standalone` manifest property suggests a native-like experience. Crucially, the presence of a service worker and the manifest description confirms its offline capabilities, making it reliable in environments without constant internet access. The emphasis on device location for the locator ensures accuracy for its intended users. The 'Fira Code' font is used for the locator and clock, which is a common choice for technical readouts.
Best use cases
Best for: Amateur radio enthusiasts who need to quickly ascertain their current Maidenhead locator. Travelers or field operators requiring an accurate UTC clock and location reference, even without internet. Anyone needing a dependable, offline-capable tool for basic time and location data in a standardized format. Ideal for quick reference in situations where device battery life or internet connectivity might be limited.
Honest limitations
This app is not for advanced mapping or complex navigation tasks, nor does it offer detailed geographic information beyond the Maidenhead locator. It focuses solely on its core function of displaying the locator and UTC time. While it uses device location, it doesn't offer location sharing or route planning. The app is presented as a free utility, without any indications of advanced features requiring payment.
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