[TenTec] Re: TWINCOM feedline?

[Gary Hoffman]

I agree with everything Stuart says below.  In addition I would add the
need for a good ground !

73 de Gary, AA2IZ


----- Original Message -----
From: "Stuart Rohre" <rohre@arlut.utexas.edu>
To: "Shawn Upton" <kb1ckt@yahoo.com>
Cc: <tentec@contesting.com>
Sent: Friday, October 18, 2002 4:23 PM
Subject: Re: [TenTec] Re: TWINCOM feedline?


> Shawn,
> Absolutely!   The old bugaboo of feedline effects to a TV just do not hold
> water today with cable TV, higher IFs than 15m band, (the old TVs had the
IF
> at amateur band), and fewer stations at Ch 2, with 6m (potential)
problems.
> With the move of TV channels ever higher, soon there will be even less
> chance of HF harmonics causing problems.
> And the HF rigs should have fewer harmonics than in the days of simple
> output networks, unshielded transmitter finals, and poor EMC practices in
> rigs.
> Most output stages today are  at least a Pi L rather than single stage Pi,
> or single parallel tuned tank.  Most rigs today are run using an outboard
> transmatch, (tuner), thus with even better matching to the line than the
> "old" days.  Possibly, more hams use low pass filters than past days as
> well.
> 73, Stuart K5KVH
>
>
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