UPDATE - March 14, 2023:
Recently Flightradar24 has upgraded version from 1.0.25-3 to 1.0.34-0
Current instructions are as follows
STEP-4: Next install fr24feed
First determine your Machine’s Architecture / OS by output of following command
uname -m
If output of above command shows your Machine / OS is i386, use OPTION (1) below.
If output of above command shows your Machine / OS is x86_64 OR amd64, use OPTION (2) below.
OPTION (1): If your Machine / OS is i386
wget https://repo-feed.flightradar24.com/linux_x86_binaries/fr24feed_1.0.34-0_i386.deb
sudo dpkg -i fr24feed_1.0.34-0_i386.deb
sudo fr24feed --signup
OPTION (2): If your Machine / OS is x86_64 OR amd64
wget https://repo-feed.flightradar24.com/linux_x86_64_binaries/fr24feed_1.0.34-0_amd64.deb
sudo dpkg -i fr24feed_1.0.34-0_amd64.deb
sudo fr24feed --signup
NOTE:
When running command “sudo fr24feed --signup”, after entering your details, you will see following message. Please say yes to autoconfig option
We have detected that you already have a dump1090 instance running. We can therefore automatically configure the FR24 feeder to use existing receiver configuration, or you can manually configure all the parameters.
Would you like to use autoconfig (yes/no)$: yes
sudo systemctl restart fr24feed
sudo fr24feed-status
# To check/modify configuration, edit this file
sudo nano /etc/fr24feed.ini
(the rest of the industry uses 2mm); I saw it as an opportunity to reach for my 
) and connected power and network again.
