Please cut and paste (or provide a screenshot of) this data when asking for help.
SDR(type: 'rtlsdr' address: '001:004', serial: '00001000', purpose: '1090', gain: 'autogain', biastee: False)
total used free shared buff/cache available Mem: 906Mi 555Mi 31Mi 47Mi 431Mi 351Mi Swap: 511Mi 313Mi 198Mi
Filesystem Size Used Avail Use% Mounted on udev 314M 0 314M 0% /dev tmpfs 454M 51M 403M 12% /run /dev/mmcblk0p2 58G 7.2G 48G 14% / tmpfs 454M 148K 453M 1% /dev/shm tmpfs 5.0M 12K 5.0M 1% /run/lock /dev/mmcblk0p1 510M 79M 432M 16% /boot/firmware tmpfs 91M 44K 91M 1% /run/user/1000
top - 17:10:48 up 14 days, 13:42, 2 users, load average: 1.47, 1.21, 1.05 Tasks: 332 total, 2 running, 329 sleeping, 0 stopped, 1 zombie %Cpu(s): 11.8 us, 29.4 sy, 17.6 ni, 41.2 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st MiB Mem : 906.2 total, 31.1 free, 555.3 used, 431.4 buff/cache MiB Swap: 512.0 total, 198.4 free, 313.6 used. 350.8 avail Mem