Lrl from taxma

[taxma1981]

Hi,i want to share this lrl circuit but i want help why this lrl work but not perfect,this circuit it is from battlefield lazer detector and the mix circuit LC from franko italy,
https://ibb.co/dnTbBR
https://ibb.co/g9TRBR


And video from the projekt,sorry for my englich
https://youtu.be/yTNtchAlNcI
https://youtu.be/nwDZBcncd2I
https://youtu.be/O-Y0BC5E34k
https://youtu.be/KYkCVakeJWY