[TowerTalk] Polyphaser

Mike nf4l at nf4l.com
Tue Mar 16 10:07:20 PDT 2010


Put a dummy load on the far side and check SWR?

73, Mike NF4L

w4lde wrote:
> I am installing new coax from the tower to the shack and have inserted a 
> polyphaser IS-50NX-CO,  N-style connector and wanted to check everything 
> out from the shack to the tower before I connect it to the beam.  The 
> polyphaser is located at an entrance panel some 30' from the shack.
>
> The unit is not new but did come in the original box with all hardware 
> and instructions, however, how do I check out the unit to know if its 
> still good?
>
> This is a DC blocking style so there's no connection between center 
> pins, I have a MFJ antenna analyzer but I don't think it sees past the 
> polyphaser fro the shack end.
>
> How does one know if the unit is OK or not?  There is a varied opinion 
> as to there worth and maybe I should select a different product.  I 
> always disconnect the antennas in the shack but wanted to add some 
> protection at the building entrance plus I can also disconnect the coax 
> and also the rotor cables there.
>
> 73 de
> Ron W4LDE
>
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