Posted by showalterbj on February 22, 2020 
Those of us "of a certain age" understand how DP came about - The Space Program. NASA had to develop light-weight, tight-space electronics for their missions. This led to denser and denser integrated circuits and huge growth in digital radio. Multiple industries have benefited, including medicine and transportation. Reliable control of locos that are far from the head end is one example.
Posted by Jeff Sell on February 22, 2020 
I was wondering when a photo of distributed power was going to arrive on RP. It makes watching trains more interesting.
Posted by Tugboat on February 25, 2020 
Not sure what you were looking for Jeff, but the use of DP units is common place, and has been for about 20 years
Posted by Tom Farence on February 25, 2020 
It was about 1960...I was firing for Dave Vannes on the 29 an 0-4-0T at the Green Bay RR Museum....some outfit from Ohio tested a remote operating on a Plymouth at the museum and Dave ran it unmanned from the 29.....there was a picture taken and placed in TRAINS mag in the news section if I remember correctly...... In about 1968 on the Milwaukee Road we placed the 4005 at the Milwaukee Depot and ran it from the 2046 at the Milwaukee Diesel House about a mile away.....I believe this was the first time LOCOTROL was operated on the Milwaukee Road.....Tom.
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