Please cut and paste (or provide a screenshot of) this data when asking for help.
SDR(type: 'rtlsdr' address: '001:002', serial: '00000010', purpose: '1090', gain: 'autogain', biastee: False)
total used free shared buff/cache available Mem: 1.4Gi 486Mi 476Mi 71Mi 643Mi 983Mi Swap: 1.4Gi 0B 1.4Gi
Filesystem Size Used Avail Use% Mounted on udev 696M 0 696M 0% /dev tmpfs 736M 72M 665M 10% /run /dev/mmcblk0p1 7.4G 3.8G 3.3G 54% / tmpfs 736M 0 736M 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 710M 0 710M 0% /tmp
top - 21:38:17 up 8 days, 9:12, 0 user, load average: 0.79, 0.69, 0.65 Tasks: 204 total, 2 running, 201 sleeping, 0 stopped, 1 zombie %Cpu(s): 20.0 us, 10.0 sy, 0.0 ni, 70.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st MiB Mem : 1470.1 total, 476.1 free, 487.4 used, 643.0 buff/cache MiB Swap: 1470.1 total, 1470.1 free, 0.0 used. 982.7 avail Mem