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About this app

Allows you to adjust settings for a SOTABEAMS WSPRlite.

A WSPRlite is a low power amateur radio transmitter, useful for testing and comparison of antennas - see for details. This app is only useful if you have a WSPRlite, and works with both types of WSPRlite (Classic and Flexi).

Your Android device must support USB On-The-Go (OTG), and you will need a USB OTG cable (such as to connect the Android device to your WSPRlite.

- Adjust all the same settings as the desktop config program, including callsign, locator, band, and power level
- Automatically calculate the locator based on your current position
- Automatically start the WSPRlite at the correct time (network connection required)
- Open in a browser to view statistics about where your transmissions have been received
- Update WSPRlite firmware

Note: Using the autostart function and powering a WSPRlite from your Android device is a great option for short periods of operating in the field. But be aware that using a WSPRlite powered from your phone will drain your phone battery faster!

After programming you can still start the WSPRlite manually using the push-button on the device (see for instructions). If starting it manually, we recommend using or similar to check the current time, as the system clock on a phone can be a bit inaccurate.

Permissions used:
- Location: for calculating Maidenhead grid locator based on current position
- Network access: for firmware updates, and checking the current time for autostart
- Write to storage: for caching downloaded firmware updates
- Prevent device from sleeping: for autostart function, to make sure that the start occurs at the correct time and is not delayed by the phone sleeping
See privacy policy for more details.

This app uses the following libraries: - MIT license - Apache 2.0 license
Updated on
Jul 17, 2018

Data safety

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What's new

Add support for extended WSPR (type 2 and 3 messages) - this allows compound callsigns and six character locators to be used. But please read about why extended WSPR should be avoided if possible first: