Add inline filter / splitter with HabAmp?


#1

Hi all,

Added a HabAmp over the weekend - with gain set to AGC, looks like theres a lot of noise…

https://docs.google.com/drawings/d/1ZUjty_PBCLzItdusgXZv5fhl4unsffQAnNDmHtb9nj8/pub?w=960&h=720

While I plan to reduce gain to around 45, what do we think to adding a splitter/filter upstream of the habAmp, to filter even more?


#2

Did you switch anything else from March 18 to end of graphs? If not you should find the best fixed gain value. For me a good rating is the message rate. I look on the http output from dump1090 and watch the message rate while switching gain up and down.