Note: This method wont work if you are using Raspbian image with dump1090-mutability or dump1090-fa package install. It also wont work on Piaware SD card image. It will work only on Pi24 image.
If you are using Pi24 image, then instead of editing file /etc/default/dump1090-mutabilty, the settings can be passed to dump1090-mutability by fr24feed when it starts the dump1090. There are two ways to do it:
- Open browser, go to following address
ip-of-pi:8754/settings.html
Add --ppm xx to the field "Process arguments"
FR24 settings - Integral dump1090.png
- Edit file fr24feed.ini
Code:sudo nano /etc/fr24feed.ini
procargs="--gain -10"
To this line add your ppm to make it like this
procargs="--gain -10 --ppm xx"
(Replace xx by value you want)
If procargs line does not exist, add a new line
procargs=" --ppm xx "
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