Gain Setting: Package Install of dump978-fa
sudo nano /etc/default/dump978-fa
## In line starting with RECEIVER_OPTIONS=, add following parameter:
## (replace xx by actual value of gain you want to set)
--sdr-gain xx
## Save & Close file
## Restart dump978-fa
sudo systemctl restart dump978-fa
## Check status, It should show the gain set
sudo systemctl status dump978-fa
