Upgraded to RTL-SDR USB and LNA power by raspberry pi

[wiedehopf]

@JohnJRambo

4.7v

That’s fine.

@JohnJRambo

was playing with the settings for next 2 days

Seems you only tried the extremes in gain

Typical gain i’d recommend for that combination 23, 25 or 28 … somewhere around that.

Thoughts on optimizing gain

HOWTO: gain This guide assumes you have console access to your Raspberry Pi (For Beginners - How-to SSH to RPi - Setup Putty in Windows) and know how to change the gain. (For Beginners - How to Set / Change Gain) Use this command to get the percentage of strong messages: awk "$(cat /run/dump1090*/stats.json| grep total | sed 's/.*accepted":\[\([0-9]*\).*strong_signals":\([0-9]*\).*/BEGIN {printf "\\nPercentage of strong messages: %.3f \\n" , \2 * 100 \/ \1}/')" Percentages around 5 are wh…