> Joe <[EMAIL PROTECTED]> wrote:
> 7/8" cable should have less than 1dB of loss
> per 100 feet at 450Mhz. If it is a short run
> of cable, you would be better off putting
> the preamp where you can get at it,
For 98% plus people... Joe is right on the
money. Especially when a really good antenna
will help make up for the loss.
> especially since you have paging interference.
> You will probably want to put a preselector
> filter in front of the preamp,
> if you tower mount the preamp the preselector
> will also have to go on the tower top.
In front of the preamplifier(s)
> It can be done, but you really need to know
> what filtering you need to do before you put
> it on the tower top.
Ding, ding, ding..! Give that man a cigar...
> Also, if you have a preamp tower mounted
> without the bypass mode, it makes antenna
> troubleshooting difficult.
> 73, Joe, K1ike
No bypass mode makes antenna system trouble-shooting
a nightmare. Smart Commercial Site managers MIGHT
make that mistake ONLY ONE TIME... Experienced
Site managers never make the mentioned mistake
twice.
Cheers Joe,
skipp
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/Repeater-Builder/
<*> To unsubscribe from this group, send an email to:
[EMAIL PROTECTED]
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
