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<DIV dir=ltr align=left><SPAN class=400553811-27012009><FONT
face=Verdana>Apresentação do projecto, Rádio Arkala, também disponível
em:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=400553811-27012009><FONT face=Verdana><A
href="http://www.youtube.com/watch?v=-XxxWIF6OMs">http://www.youtube.com/watch?v=-XxxWIF6OMs</A></FONT></SPAN></DIV><BR>
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<FONT face=Tahoma size=2><B>From:</B> cluster-bounces@radio-amador.net
[mailto:cluster-bounces@radio-amador.net] <B>On Behalf Of </B>João Gonçalves
Costa<BR><B>Sent:</B> terça-feira, 27 de Janeiro de 2009 11:31<BR><B>To:</B>
'Resumo Noticioso Electrónico ARLA'<BR><B>Subject:</B> ARLA/CLUSTER: A Maior
antena para 160m.<BR></FONT><BR></DIV>
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<H1>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; COLOR: white; FONT-FAMILY: Tahoma; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: PT; mso-fareast-language: PT; mso-bidi-language: AR-SA"></SPAN> </P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; COLOR: white; FONT-FAMILY: Tahoma; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: PT; mso-fareast-language: PT; mso-bidi-language: AR-SA"><IMG
style="WIDTH: 233px; HEIGHT: 268px" height=408 src="cid:199194210@27012009-0AFF"
width=306 v:shapes="_x0000_i1025"></SPAN><IMG
style="WIDTH: 362px; HEIGHT: 268px" height=179 src="cid:199194210@27012009-0AF8"
width=239 v:shapes="_x0000_i1026"><SPAN lang=EN-GB
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-GB; mso-fareast-language: PT; mso-bidi-language: AR-SA"><IMG
height=267 src="cid:199194210@27012009-0B06" width=200
v:shapes="_x0000_i1025"></SPAN></P>
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style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-alt: solid windowtext .5pt; mso-yfti-tbllook: 480; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext"
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<TR
style="HEIGHT: 87pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes; mso-yfti-lastrow: yes">
<TD
style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 149.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 87pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt"
vAlign=top width=199>
<H2 style="MARGIN: 3.75pt; TEXT-ALIGN: center" align=center><U><SPAN
lang=EN-GB
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Height
and weight of the system</SPAN></U><SPAN lang=EN-GB
style="COLOR: black; mso-ansi-language: EN-GB"><o:p></o:p></SPAN></H2>
<P style="TEXT-ALIGN: center" align=center><SPAN lang=EN-GB
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Tower
height 100 m <BR>80 m beam 90 m <BR>160 m beam 80 m <BR>Total weight 39
600 kg</SPAN><SPAN lang=EN-GB
style="mso-ansi-language: EN-GB"><o:p></o:p></SPAN></P></TD>
<TD
style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 151.05pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 87pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt"
vAlign=top width=201>
<H2 style="MARGIN: 3.75pt; TEXT-ALIGN: center" align=center><U><SPAN
lang=EN-GB
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Elements,
gain and take off angles</SPAN></U><SPAN lang=EN-GB
style="COLOR: black; mso-ansi-language: EN-GB"><o:p></o:p></SPAN></H2>
<P style="TEXT-ALIGN: center" align=center><SPAN lang=EN-GB
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-GB">160
m <STRONG>3 elements, 12.9dBi, 26°<BR></STRONG>80 m <STRONG>5 elements,
15.7dBi, 12°</STRONG></SPAN><SPAN lang=EN-GB
style="FONT-SIZE: 8.5pt; COLOR: black; FONT-FAMILY: Tahoma; mso-ansi-language: EN-GB"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB
style="mso-ansi-language: EN-GB"><o:p> </o:p></SPAN></P></TD>
<TD
style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 87pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt"
vAlign=top>
<H2 style="MARGIN: 3.75pt; TEXT-ALIGN: center" align=center><U><SPAN
lang=EN-GB
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Front
to Back ratio</SPAN></U><SPAN lang=EN-GB
style="COLOR: black; mso-ansi-language: EN-GB"><o:p></o:p></SPAN></H2>
<P style="TEXT-ALIGN: center" align=center><SPAN lang=EN-GB
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-GB">160
m 20-30 dB<BR>80 m 20 dB</SPAN><SPAN lang=EN-GB
style="FONT-SIZE: 8.5pt; COLOR: black; FONT-FAMILY: Tahoma; mso-ansi-language: EN-GB"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB
style="mso-ansi-language: EN-GB"><o:p> </o:p></SPAN></P></TD>
<TD
style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 87pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt"
vAlign=top>
<H2 style="MARGIN: 3.75pt; TEXT-ALIGN: center" align=center><U><SPAN
lang=EN-GB
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Operating
frequencies</SPAN></U><SPAN lang=EN-GB
style="COLOR: black; mso-ansi-language: EN-GB"><o:p></o:p></SPAN></H2>
<P style="TEXT-ALIGN: center" align=center><SPAN lang=EN-GB
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-ansi-language: EN-GB">1810-1845,
1845-1880 kHz (SWR < 1.6)<BR>3500-3560 kHz (Lmatch)<BR>3700-3800 kHz
(50 ohm / current balun)</SPAN><SPAN lang=EN-GB
style="mso-ansi-language: EN-GB"><o:p></o:p></SPAN></P></TD></TR></TBODY></TABLE></P></H1></BODY></HTML>