Earlier this month we posted about a new port of the HackRF software defined radio Linux library for Android. Now the author of the Android port has created a new app called RF Analyzer. The app is basically a real time spectrum viewer that includes a waterfall display. The app can be downloaded from Github at https://github.com/demantz/RFAnalyzer.
The app currently supports the following features.
- Browse the spectrum by scrolling horizontally
- Zoom in and out, both horizontally and vertically
- Adjust the sample rate and center frequency to match the current view of the screen by double tapping
- Auto scale the vertical axis
- Jump directly to a frequency
- Adjust the gain settings of the HackRF
- Select a pre-recorded file as source instead of a real HackRF
- Change the FFT size
- Setting the frame rate either to a fixed value or to automatic control
- Activate logging and showing the log file
In the future the author intends to support the RTL-SDR and implement demodulation for basic modes such as AM, FM and SSB.
To use the app you’ll need an USB OTG (on-the-go) cable to connect your Android device to the HackRF.
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