Unearthed: 1954 GPS featured with early SkyView technology

[texasclouds]

And it amazingly still works today:

 

[ktup-flyer]

Where’s the magenta line

 

[Randomskylane]

How accurate is a 65+ year old compass card?

 

[SoonerAviator]

Does it auto-correct for drift?

 

[texasclouds]

Where’s the magenta line

they line is actually black. You can zoom in to read the HWY number.

Does it auto-correct for drift?

Of course

 

[texasclouds]

How accurate is a 65+ year old compass card?

Like Big Ben.