[1000mp] Mark V Front-End Amp Setting.

Sat, 13 Dec 2003 09:10:54 +0200

My manual clearly states that the tuned pre amp only works 24.5mHz and up.
I can  hear the background noise come up as I tune from  24.450 through
24.500.
73
Vidi, ZS1EL
----- Original Message -----
From: "Garry Shapiro" <[email protected]>
To: <[email protected]>
Sent: Saturday, December 13, 2003 5:50 AM
Subject: RE: [1000mp] Mark V Front-End Amp Setting.


> Randy:
>
> The same is true of the FT1000MP, and most of us have been using that
quirk
> on the low bands.
>
> Garry
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of WX5L
> Sent: Friday, December 12, 2003 6:10 AM
> To: [email protected]
> Subject: [1000mp] Mark V Front-End Amp Setting.
>
>
> Hello,
>
> I wanted to share this observation I recent made with my Mark V.
>
> With a signal generator I injected the theorical s-9 signal level of -73
> dbm. Indeed the s meter read s-9 on all bands. I've always set my receiver
> front-end to "tuned" in menu 8-4 but as a curiosity test I switch to
"flat"
> and found a slight increase in sensitivity as indicated on the s-meter of
> about 6 db. Not much really but could make the diffference under very weak
> signal situations.
>
> I would have thought in the 'tuned" setting and having seperate tuned
> amplifiers for the low and high bands I would notice higher gain but that
> was not the case.
>
> This slight increase would probably be unnoticable with on-air copy due to
> qsb ect but with a steady signal it was obvious.
>
> This was not a sophisticated testing procedure and the results were
contrary
> to what I thought.
>
> 73,
> Randy
> [email protected]
> Thibodaux, Louisiana
>
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