As I understand it and was taught by some elmer types around 91-93 or so
maybe later that it's not 3db but 6 db that equals one S unit. so therefore
s9=54 db and s9+60= 114 db and if the S units were kept, it'd be equal to an
s19.  If someone else can prove the 3db=1 s unit theory then feel free.
----- Original Message -----
From: "K5IN" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, August 29, 2003 6:38 PM


> This also not been mentioned that a "s unit" = 3db of signal.
> ----- Original Message -----
> From: "Michael Ryan" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, August 29, 2003 7:05 AM
>
>
> > Hi all:
> >
> > Is there a rule of thumb that can be used?
> > IE:  you have a perfectly resonant antenna with 100W out.  What power is
> > needed to get an improvement on the signal strength?  Will 200W make
much
> > difference or to receive an actual increase in signal strength, a power
> > gain of lets say, 500W is required? Will a power output of 800/KW give
> much
> > improvements to a 500W signal strength?  Also, If you have an amp rated
at
> > 400W continuous or digital mode,  what would the PEP SSB rating be?
> >
> > Thanks to all & 73:
> > Michael VO1RYN


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