Observation 138976: NOAA 15 (25338) Never two things same time ;)

Regarding Observation 138976

Never do a

grep -rnw '/' -e 'Here comes the wxtoimg code'

while observing/decoding g

I have the same problem that the NOAA images become puzzled.
The reason seems to be the simultaneous decoding and recording of the iq data.
Perhaps the problem will disappear if the data is written to a ramdisk instead to the sd card.

…or HD. You’re using RPi?