[C320-list] Math problem

[Robert E. Sloat]

Draw the triangle on a piece of paper and then measure the angle you need. 
Also, you should be able to adjust the blanking area during initial radar 
setup.

Bob Sloat
Savannah 894
----- Original Message ----- 
From: <LOCALJG at aol.com>
To: <c320-list at catalina320.com>
Sent: Wednesday, January 19, 2011 2:16 PM
Subject: [C320-list] Math problem


>I am about to hang a Furuno Radar dish on my mast.  There is a  way to turn
> off the radar where the radar signal sweeps past the  mast. This small 
> part
> of the radar's sweeping arch is called the "blanking  area."    So in 
> order
> to find the amount of blanking area, I need  to do a math problem.
> Regrettably I am mathematically challenged and  wish to gain assistance 
> from
> someone more inclined toward numerical  dexterity.
>
> Here is the challenge:  Think of this as a simple triangular  equation.
> Two legs of the triangle are 14.5 inches long.  The  base of the triangle 
> is
> 5.5 inches long.  I need to know the angle  in degrees of the apex of the
> triangle.
>
> The 14.5 inch legs are being measured from the center of the  Radar dish 
> to
> the sides of the main mast.  The distance of 5.5 inches  is the distance
> between the two 14.5 inch legs of the triangle at the  mast.  The blanking
> area of the radar will be around 6 degrees. I will set  this in the radar 
> when
> I program it following installation.
>
> Thanks for the help.
>
> John G.
> 1996 #329
>