At 08:49 AM 4/9/05, you wrote:
>--- In Repeater-Builder@yahoogroups.com, Eric Lemmon <[EMAIL PROTECTED]>
>wrote:
>"...It is not a simple task to properly apply a preamp at VHF..."
>____________________________________________________________
>
>As usual, Eric has given excellent advice. Preamps at VHF land mobile
>are often not practical.
>
>Your first action should be an effective sensitivity test of your
>receiver as it is currently configured. At many sites you will find
>that your receiver sensitivity is already limited by the noise floor,
>hence there is no improvement possible by adding a preamp.
And there is a well done writeup on measuring effective sensitivity
at www.repeater-builder.com
Mike WA6ILQ
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