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<DIV><FONT face=Arial color=#0000ff size=2>I thought that was kb2joi
clear <tic> </FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2> </FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2> Del</FONT></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=lightfoot@sc.rr.com href="mailto:lightfoot@sc.rr.com">Jay
Marshall</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">'General pattern
discussion'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, May 08, 2008 11:35
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] 2,4
Module</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Roger that! Over and
out …..</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<DIV>
<P><B><I><FONT face="Brush Script MT" color=navy size=4><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 13.5pt; COLOR: navy; FONT-STYLE: italic; FONT-FAMILY: 'Brush Script MT'">Jay
</SPAN></FONT></I></B><B><I><FONT face="Brush Script MT" color=navy
size=4><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 13.5pt; COLOR: navy; FONT-STYLE: italic; FONT-FAMILY: 'Brush Script MT'">Marshall</SPAN></FONT></I></B><FONT
color=navy><SPAN style="COLOR: navy"> </SPAN></FONT></P></DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original
Message-----<BR><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B>
</SPAN></FONT><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><A
href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</A></SPAN></FONT><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
[mailto:</SPAN></FONT><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">nsrca-discussion-bounces@lists.nsrca.org</SPAN></FONT><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">]
<B><SPAN style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Mark
Atwood<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, May
08, 2008 11:31 AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B>
</SPAN></FONT><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">General pattern
discussion</SPAN></FONT><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [NSRCA-discussion] 2,4
Module</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal
style="MARGIN-BOTTOM: 12pt; MARGIN-LEFT: 0.5in; MARGIN-RIGHT: 0in"><FONT
face=Calibri size=2><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri">Yeah...but do we REALLY want to
go there???? Lmao... Then it will start to sound like the HAM
forum...<BR><BR><BR><BR><BR>On 5/8/08 11:27 AM, "Jay Marshall"
<lightfoot@sc.rr.com> wrote:</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=navy
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">In free
space. Wire and dielectric will alter this somewhat.
<grin><BR> <BR></SPAN></FONT><FONT face=Calibri size=2><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri"><BR></SPAN></FONT><B><I><FONT
face="Brush Script MT" color=navy size=4><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 13pt; COLOR: navy; FONT-STYLE: italic; FONT-FAMILY: 'Brush Script MT'">Jay
Marshall</SPAN></FONT></I></B><FONT color=navy><SPAN style="COLOR: navy">
<BR></SPAN></FONT><FONT face=Calibri size=2><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri"><BR></SPAN></FONT><FONT
face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original
Message-----<BR><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B>
nsrca-discussion-bounces@lists.nsrca.org [<A
href="mailto:nsrca-discussion-bounces@lists.nsrca.org%5d">mailto:nsrca-discussion-bounces@lists.nsrca.org]</A>
<B><SPAN style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Mark
Atwood<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, May
08, 2008 11:20 AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> General
pattern discussion<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B>
Re: [NSRCA-discussion] 2,4 Module<BR></SPAN></FONT><BR><FONT face=Calibri
size=2><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri">The antenna’s we
used on the 72mhz band were 1/4 wave antenna’s. Approx 1 m. The
72Mhz wavelength is 416cm for a full wave (varying some for which specific
frequency you were on.<BR><BR>The 2.4Ghz wavelength is only 12.4cm or about
4.8in. So an equivalent quarter wave antenna will only be about
1.2in in length.<BR><BR>-M<BR><BR>PS for those that care, wavelength (in cm) =
speed of light (in cm) / Frequency (in cycles per second)<BR><BR><BR>On 5/8/08
10:54 AM, "rcmaster199@aol.com" <rcmaster199@aol.com>
wrote:<BR>***</SPAN></FONT><B><FONT face=Arial size=4><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 14pt; FONT-FAMILY: Arial">When you
realize all this from that measley little 4" antenna, it's almost
jaw-dropping. ***<BR></SPAN></FONT></B><FONT face=Calibri size=2><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri"><BR> <BR>Basically, the
length of the antenna is related to frequency of the transmission. 2.4 gig
freq is made up of small wavelength. If you remember High School Physics, the
relation between Freq and Wavelength... ie- it's an inverse relationship. As
Freq goes up, WL becomes small. At 72 meg, WL is fairly long, hence the reason
for the longer antenna; at 27 meg, wl is even longer. Those who used 27 meg
equipment a bunch of moons ago, will remember that Tx and RX antennas were
pretty long and only represented 1/2 the WL (I think it was
1/2)<BR> <BR>Dean Pappas, Ed Alt and Jim Oddino can explain further if
needed<BR> <BR>BTW, tuning a pipe on a 2 stroke requires similar
understanding between rpm (base frequency) and tuning length (wavelength of
the exhaust pressure front and type of exhaust) to achieve the desired
resonance....similar to electrical antennas.
QED<BR> <BR>MattK<BR> <BR> </SPAN></FONT></P>
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