You are so right.  If after the tuner, you could develop some pretty 
high voltages in that filter.
73
Butch
WA0VJR
Node 3148
Wallace, ks.


On Fri, 31 Jan 2014, Michael Thurman wrote:

> Since the filter is designed for a 50 ohm load, you should  put it =
> between the radio and the external tuner, if the impedance is too far =
> off it might cause the filter to not work as perfectly. If you are using =
> an internal tuner in a rig you hav eno choice of course, but the earlier =
> youc an eliminate any harmonics th abetter off you are. same goes for =
> lacing it before linear amp if you hav done.
>
> On Jan 31, 2014, at 8:11 PM, John Vernaleken <[log in to unmask]> =
> wrote:
>
>> Since I have seen it recommended both ways - Should a Low Pass Filter =
> be
>> before the external Antenna Tuner or after?
>> =20
>> John  KC2QJB
>
>