[R-390] UNKNOWN COLLINS PTO ???

[sigmapert]

Hi Dave,

read the article 'Discovery of a Genuine Cosmos PTO for the R-390 non-A Receiver' in the upcoming
August issue of 'Electric Radio'.

Please provide the SN of the PTO and the color of it's label (either dark blue or light blue).

THX.

sigmapert

> hello
>  
> I came across a pto (that I believe goes to a piece of Collins equipment)
> I checked the Collins pto guide online and it doesn't list this model.
> it looks exactly the same as the pto found in the R-390A accept for the following.
>  
> 1. the power connector is on a cable (instead of the connector being mounted to the rear mounting bracket)
> 2. the power connector is a 7 pin instead of 9
> 3. signal connector is a standard size straight bnc type (instead of a mini 90 deg.)
> 4. the front and rear mounting brackets are shapped slightly different
>  
> it is a cosmos and the model number is 136\283
>  
> does anyone know what set it goes to ?
>  
> thanks
> 73s
> dave