Can you use 433mHz transmitter and receiver without the RadioHead library?

Then analyze the signal where it originates, on the Arduino, and send summary reports by 443MHz digital radio.

If this is for any kind of ongoing use, you need to obey the strict regulatory requirements for TX duty cycle in that band. I really hope you're not sending 20 packets a second...

Please post your entire sketch, in code tags please. Then we can talk about specifics.