[Milsurplus] MC-203 Spline Tee for MC-125 spline shaft
J. Forster
jfor at quikus.com
Thu Apr 11 18:34:04 EDT 2013
Ditto for the ARB, but the switching is done with a choke cable. The 'T'
with three male splines is clearly for this purpose:
Radio
|
^
^
|
CB1 >>-------------<<--o-->>----------------<<CB2
-John
===========
> On 4/11/2013 1:39 PM, Todd, KA1KAQ wrote:
>> I've got an MC-203-A T junction here with 2 female connections, figured
>> it
>> was for the RU, ARB, something along those lines.
>
> One place I know of where the MC-203 "Tee" was used is
> in the SCR-269 radio compass. It might also have been
> used on the AN/ARN-7 as well, but I don't have that
> manual to verify it.
>
> It allowed for two control boxes to tune the receiver.
>
> The SCR-269 could have two control locations, both
> locations could tune the receiver at any time, but
> only one box could control the receiver at any given
> time.
>
> On the BC-434 control box, there is a "Control" button.
> Pressing this button switched control to that box. This
> was accomplished by the BK-22 relay box.
>
> Jack Antonio WA7DIA/4
>
>
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