PPM is a measure of frequency deviation from RF center frequency. Using the tool PPM can be calculated by providing the inputs, measured frequency and reference frequency. The range of the drift can be calculated by inputting the reference frequency and the allowed PPM.
The app was originally created by YTA and it belongs to the Educational category. The latest update was on Mar 17, 2016 and Hz-PPM-Hz was downloaded and installed by over 100 users. On Google Play, the tool has been rated 4.3 by its users.
Advertisements are a part of this application. You are able to get the installation package of Hz-PPM-Hz 1.0 free of charge and take a look at users' reviews on Droid Informer. The app works fine on Android 4.4 and above. The app is totally safe for downloading.