70s tech- rally nav computer

I designed this back in the late 70s .Third iteration, manual layout with tape... 8039 processor 2716 UV eprom. It's missing the twin LCD display that was above the eprom. Measured time/distance etc.
https://www.dropbox.com/scl/fi/z5hx6cz3pbfl3hgj7f39j/20250126_103955.jpg?rlkey=z79wm7sfre3yl7z63e6cvvofx&st=cct6w9gh&dl=0
https://www.dropbox.com/scl/fi/rytz8occb61uiicqhz54g/20250126_104023.jpg?rlkey=uqf2lwmuoka57xmxz53fa2vr7&st=e8y5oxpz&dl=0
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