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 PNI S9 Antenna

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bigapple
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bigapple

Call Sign : 108-CT-315
Posts : 7
Times Thanked : 0
Join date : 2021-01-05
QTH or Location : Perth
Equipment Used : Lincoln ii

antenna - PNI S9 Antenna  Empty
PostSubject: PNI S9 Antenna    antenna - PNI S9 Antenna  Icon_minitimeThu Jan 07, 2021 9:54 pm

Hi I have installed a pni s9 antenna on the roof of my van I cannot get the swr below 1.7. It has a good bodywork earth ,coax is not crushed no shorts. I have a pmr antenna 1ft from it and roof racks, I removed both no difference to swr reading. Do you think that is the limitations of the antenna ? The rig is Lincoln ii+ checked the swr on mfj290.
Regards.
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bigapple
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bigapple

Call Sign : 108-CT-315
Posts : 7
Times Thanked : 0
Join date : 2021-01-05
QTH or Location : Perth
Equipment Used : Lincoln ii

antenna - PNI S9 Antenna  Empty
PostSubject: Re: PNI S9 Antenna    antenna - PNI S9 Antenna  Icon_minitimeThu Jan 07, 2021 10:00 pm

Should be Mfj269.
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Alan Pilot
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Alan Pilot

Call Sign : 163-CT-220...MW7TTA
Posts : 873
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Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A.

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PostSubject: Re: PNI S9 Antenna    antenna - PNI S9 Antenna  Icon_minitimeFri Jan 08, 2021 7:18 am

Does it alter at all lifting or lowering the whip.
My guess is you have the whip all the way down and that is the lowest SWR ??.
If so you could try cutting the slightest bit off the whip the thickness of a match and see if it goes down a bit more.
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bigapple
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bigapple

Call Sign : 108-CT-315
Posts : 7
Times Thanked : 0
Join date : 2021-01-05
QTH or Location : Perth
Equipment Used : Lincoln ii

antenna - PNI S9 Antenna  Empty
PostSubject: Re: PNI S9 Antenna    antenna - PNI S9 Antenna  Icon_minitimeFri Jan 08, 2021 7:48 am

Thanks will try
Regards.
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bigapple
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bigapple

Call Sign : 108-CT-315
Posts : 7
Times Thanked : 0
Join date : 2021-01-05
QTH or Location : Perth
Equipment Used : Lincoln ii

antenna - PNI S9 Antenna  Empty
PostSubject: Re: PNI S9 Antenna    antenna - PNI S9 Antenna  Icon_minitimeSat Jan 09, 2021 4:37 pm

Hi the sweet spot is 27.305 swr 1.7 . The swr is 2.0> 2.5 at 26.995 and 27.7. I will replace the coax to see if I can get an improvement.
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PostSubject: Re: PNI S9 Antenna    antenna - PNI S9 Antenna  Icon_minitime

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