Can someone comment on what the exact meaning of the shown hand signal is?


Claus Schlund \(HGM\)
 

Hi List Members,
 
The set of images linked below show a trainman on top of a boxcar giving hand signals to the locomotive crew. The title sez 'Switchman giving the "go ahead" signal on an Indiana Harbor Belt Railroad train'. Can someone comment on what the exact meaning of the shown hand signal is?
 
 
 
 
Thanks in advance
 
Claus Schlund

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