[TenTec] TT Orion and TVI problem

[Phil Chambley, Sr.]

Sounds like maybe a loose coax fitting before the splitter on the cable TV
system to me.

Phil C.    K4DPK

----- Original Message ----- 
From: "G.C." <g.crosta at tin.it>
To: "TEN TEC LIST" <tentec at contesting.com>
Sent: Sunday, May 01, 2005 1:28 PM
Subject: [TenTec] TT Orion and TVI problem


> Hi to all the guys,
>
> many thanks for your prompt reply to my question concerning the TVI
troubles.
>
> Many of us asked for other detailed info. Here after some answers.
>
> I use a linear power supply and not a switching type.
>
> The model is a Daiwa PS30 XMII from 1 to 15 Volt rated at 25 A max 30 A
> I have noted after a check the PS hasn't the AC gound wire installed! The
plug has only two wires: live and return.
> As suggested I'll try to use a 13,8 Volt car battery to check quickly the
PS system.
>
> All my neighbours have the same TV distribution system, but my TV set
doesn't show any TVI problem also when I move the TV set very close to the
Rtx.
>
> All the neighbours have new TV set. The troubles are on all the TV
channels and it seams they are not HF frequency dependant.
>
> I use the internal TT Orion antenna tuner and the SWR values varies
continuously from 1 to 1.5 maximum, I don't see any RF feedback
> and the audio report was nice but normally I use the CW mode and reports
are always very good.
>
> The antenna feed line goes outside the rig and pass close to a TV and
mains AC sockets.
>
> I use a feedline low pass filter and T4 Radio Works line isolator.
>
> I'll perform other tests as soon as possible. I'll be unavailable during
next days due to a job journey.
>
> Thank again.
>
> Beppe
>
> _______________________________________________
> TenTec mailing list
> TenTec at contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>