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Re: [IRCA] JOUB 774
- Subject: Re: [IRCA] JOUB 774
- From: "Paul B. Walker, Jr." <walkerbroadcasting@xxxxxxxxx>
- Date: Wed, 10 Dec 2008 21:07:35 -0600
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So, S9 is almost as strong as it can get?
S9+55db seems excessive, maybe even an exageration even for a station if it
was on day power during the day.. but then again, I don't fully understand
the use of the S signal stuff.
Paul Walker
www.onairdj.com
On 12/10/08, kj8o@xxxxxxxxxx <kj8o@xxxxxxxxxx> wrote:
>
> Good evening Paul,
>
>
> > First of all, "no one" mentioning the term cheating or phoning the
> > station. S9+55DB is almost "overload". That is one STRONG signal. 47
> > watts at 5 miles could not produce a signal that strong.
> > I have heard a many stations under 50 watts at sometimes thousands of
> > miles, but they sure are not S9+55DB!!!!
>
>
> I am sure Patrick as well as all the hams on this list know already, but
> the
> quick explanation of signal strength readings is that decibels work on an
> exponential scale (technically it's a logorhythmic scale but they are
> somewhat similar), 3db = 2X, 6db=4X 9db=8X, 10db = 10X, 20 db = 100X. At
> 55DB over S9, that would be approximately 400,000 times stronger than an S9
> signal.
>
> Hang in there, it takes a while to learn all this.
>
> Best wishes and 73 de Joe
>
>
>
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