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<H1>Space Station FM Repeater Active </H1>
<P><FONT face=Verdana>The crossband 2 metre to 70cm FM repeater on the
International Space Station (ISS) has been re-activated. </FONT></P>
<P><FONT face=Verdana>The downlink can be heard on 145.800 MHz FM and the uplink
is 437.800 FM, both plus or minus doppler. There is no need for CTCSS or
toneburst.</FONT></P>
<P><FONT face=Verdana>A guide to using the Space Station repeater can be read at
</FONT></P>
<P><FONT face=Verdana>AMSAT Online Satellite Predictions (select ISS):
<BR></FONT><A href="http://www.amsat.org/amsat-new/tools/predict/"
target=_blank><FONT
face=Verdana>http://www.amsat.org/amsat-new/tools/predict/</FONT></A><FONT
face=Verdana> </FONT></P>
<P><FONT face=Verdana>Google Earth Satellite Tracking:<BR></FONT><A
href="http://www.n2yo.com/" target=_blank><FONT
face=Verdana>http://www.n2yo.com/</FONT></A><FONT face=Verdana> </FONT></P>
<P><FONT face=Verdana>Satscape Satellite Tracker:<BR></FONT><A
href="http://www.satscape.co.uk/" target=_blank><FONT
face=Verdana>http://www.satscape.co.uk/</FONT></A><FONT face=Verdana>
<BR></FONT></P>
<P><FONT face=Arial><FONT face="Times New Roman" size=5><STRONG>Getting started
on the ISS repeater</STRONG></FONT></P>
<P><FONT face=Verdana>It's good to hear the ISS Repeater back active again. To
be sucessful takes education and practice.</FONT></P>
<P><FONT face=Verdana>If you have a simple FM only 5k channel step radio, then
you will be liminted in your ability to compensate for doppler.<BR><BR>If you
are 5k locked, then it may be easier if you just leave your reciever on 145.800
and concentrate on Doppler on the 70cm side.</FONT></P>
<P><STRONG>Channels for a <U>5kHz</U> channel <FONT
size=4><U>step</U></FONT><FONT size=3> radio:</FONT></STRONG><BR><FONT
face=Verdana>If you can store cross band splits on your radio, then program in
the folllowing channels in this specific order.</FONT></P>
<P> </P>
<P><STRONG><FONT size=5>(Intruções para operar, tendo em conta o Efeito
Doppler)</FONT></STRONG></P>
<P>
<TABLE cellSpacing=0 width=450 border=0>
<TBODY>
<TR>
<TD width=105><STRONG> <FONT size=4>
Canal</FONT></STRONG></TD>
<TD width=103><STRONG><FONT size=4> RX</FONT></STRONG></TD>
<TD width=117><STRONG><FONT size=4> TX</FONT></STRONG></TD>
<TD width=117><STRONG><FONT size=4>Minuto</FONT></STRONG></TD></TR>
<TR>
<TD>
<DIV align=center><STRONG>1 </STRONG></DIV></TD>
<TD><STRONG>145.805</STRONG></TD>
<TD><STRONG>437.790 </STRONG></TD>
<TD><STRONG>0 - 2 AOS</STRONG></TD></TR>
<TR>
<TD>
<DIV align=center><STRONG>2 </STRONG></DIV></TD>
<TD><STRONG>145.800</STRONG></TD>
<TD><STRONG>437.795 </STRONG></TD>
<TD><STRONG>2 - 4</STRONG></TD></TR>
<TR>
<TD>
<DIV align=center><STRONG>3 </STRONG></DIV></TD>
<TD><STRONG>145.800</STRONG></TD>
<TD><STRONG>437.800</STRONG></TD>
<TD><STRONG>4 - 6</STRONG></TD></TR>
<TR>
<TD>
<DIV align=center><STRONG>4 </STRONG></DIV></TD>
<TD><STRONG>145.800 </STRONG></TD>
<TD><STRONG>437.805</STRONG></TD>
<TD><STRONG>6 - 8</STRONG></TD></TR>
<TR>
<TD>
<DIV align=center><STRONG>5 </STRONG></DIV></TD>
<TD><STRONG>145.795 </STRONG></TD>
<TD><STRONG>437.810 </STRONG></TD>
<TD><STRONG>8 - 10 LOS</STRONG></TD></TR></TBODY></TABLE></P>
<P><FONT face=Verdana>One of the nice features of FM is that you do not need to
be exactly on frequency (although the closer the better). <BR><BR>Each pass is a
maximum of 10 minutes long.</FONT></P>
<P><FONT face=Verdana></FONT><FONT face=Verdana><BR>During the fist two minutes
of the pass, use channel pair #1. During the minutes 2 - 4 use channel pair #2,
etc.<BR><BR>A computer with current tracking keps data and doppler (437.800)
will help you know more percisly when to change channels.</FONT></P>
<P><FONT face=Verdana><STRONG><FONT size=4>Full Duplex:</FONT></STRONG><BR>If
you have the option to run Full Duplex (Transmit while listening at the same
time) then you should enable Auto Mute or put on headphones. I have been hearing
many stations not useing headphones with Full Duplex and this results in a lound
Squeel. In simple terms, we cant hear your call sign because of the squeel you
are generating.</FONT></P>
<P><BR><FONT face=Verdana>For additional, data, check the link:</FONT></P>
<P><FONT face=Verdana>I have attached a link by AJ9N about the doppler on
ISS.<BR><A
href="http://www.amsat.org/amsat/ariss/news/ISS_frequencies_and_Doppler_correction.txt"
target=_blank>http://www.amsat.org/amsat/ariss/news/ISS_frequencies_and_Doppler_correction.txt</A></FONT></P>
<P><BR><FONT face=Verdana>Also, </FONT><A href="http://www.marexmg.org/"
target=_blank><FONT face=Verdana>www.Marexmg.org</FONT></A><FONT face=Verdana>
web </FONT></P>
<P><FONT face=Verdana>73 Miles wf1f</FONT></P></FONT></DIV></BODY></HTML>