I've been waiting for someone to do something like this! Best of luck on it! I've got a large CD&F if you're interested in tackling that. I've got a 1991 Plectron / Federal Signal SC controller I'm trying to get working; I might be interested in some help with reverse engineering the tone filte...

I've been waiting for someone to do something like this! Best of luck on it! I've got a large CD&F if you're interested in tackling that. I've got a 1991 Plectron / Federal Signal SC controller I'm trying to get working; I might be interested in some help with reverse engineering the tone filte...

Hey everybody, I acquired a smaller yellow box CD&F not too long ago and decided to see if I could retune the receiver onboard for ham/amateur frequencies (Spoiler, I did it!). What that all led to was reverse engineering the entire thing. The article is still being updated by me as I discover n...

For anyone else coming across this, I stumbled upon this video in which there are some (albeit rough) measurements: https://www.youtube.com/watch?v=4laOeraDF_I For those who don't wanna watch the whole video, here they are: Total height (From the service manual) - 100 to 102" Chopper - 15"...

For anyone else coming across this, I stumbled upon this video in which there are some (albeit rough) measurements: https://www.youtube.com/watch?v=4laOeraDF_I For those who don't wanna watch the whole video, here they are: Total height (From the service manual) - 100 to 102" Chopper - 15"...

Hi everyone, long time lurker here. I am currently working on making a 3D model of the Federal Signal 3T22 to eventually 3D print (Similar to this one https://www.youtube.com/watch?v=5DrK3l0_t4E). I am trying to get the dimensions down to scale and there is very limited information in the service ma...