I believe the cable companies use them, mostly, as they still do have strict
broadcast basic channels, plus the analog with the other stuff not normally
found over the air. My curiosity is, if I told them I don't want cable TV
but do want Internet, what do they do? I guess they'd have to some how pass
the higher frequency of the Internet stuff and nothing below, some how.

----- Original Message -----
From: "Colin McDonald" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, September 11, 2005 2:35 AM
Subject: Re: trap construction


> yes, with an antenna analyzer...except there aren't any talking antenna
> analyzers out there yet.
> 73
> Colin, V A6BKX
> ----- Original Message -----
> From: "Howard Kaufman" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, September 09, 2005 9:18 PM
> Subject: Re: trap construction
>
>
>> Well, a trap is just that.  It passes frequencies below the resonant
>> length of the trap, but stops signals at the resonant frequency.  I
>> am surprised that a tuner can't tune the very high swr two half wave
>> elements, but automatic tuners don't have the range I have become
>> accustomed to.  You will need a grid dip meeter to make sure the
>> traps are resonant.  Maybe their is a more modern way to do that to.
>>
>