[Lowfer] active whip - continued

Tue, 15 Jul 2003 15:52:29 +0000

They didn't modify it at all, I just call it that - think its proper name
is something like a frequency selective (to me thats "tunable")
voltmeter (to me, VTVM). Anyway, it has a slight glitch in the
"fine" tuning mechanism. Does anyone know of a source of
mechanical parts for it?

>From: "Peter Barick" <[email protected]>
>Reply-To: [email protected]
>To: <[email protected]>
>Subject: Re: [Lowfer] active whip - continued
>Date: Mon, 14 Jul 2003 14:23:46 -0500
>
>
> >>> [email protected] 07/14/03 11:54AM >>>
> > -- do the mfr's of this magic whip have a website
> > or what is the name/model of it?
>
>No. What Eric was talking about was a home built pre-amp, likely from
>the AMRAD site.
>However there are commercial remote pre-amps like his available. One
>company is
>LF Engr. See,
>www.lfengineering.com
>
>They offer pre-amps and LF converter too. Expect to pay about $150 for
>a remote unit. I've heard they make good products, but haven't bought
>anything. Essential in this type of operation, height above ground--away
>from the usual noises and in the clear--is a must.
>
>A further word on e-field probes, as it is sometimes ref'd to, it
>should be mounted with its own ground plane, several wire spokes or
>screening for proper downlead termination and functioning. This last
>point was brought out in discussion some time back on this list.
>
> > Just got a Sierra 128A tunable VTVM at a fest and
> >73 Walt (N4GL)
>
>Nice, Walt, I've heard of the 128A, though not in that "VTVM"
>configuration. Must wonder why the previous owner would do such a mod.
>;-(
>
>Peter
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