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<DIV><SPAN class=687343803-06082007><FONT face=Arial color=#0000ff size=2>Um the
glider was at 8000 feet and i was on the ground.</FONT></SPAN></DIV>
<DIV><SPAN class=687343803-06082007><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=687343803-06082007><FONT face=Arial color=#0000ff size=2>Mind
you when I drove it, i got 1.9 km's out of it.</FONT></SPAN></DIV>
<DIV><SPAN class=687343803-06082007><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=687343803-06082007></SPAN> </DIV>
<BLOCKQUOTE>
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Stephen H. Smith
[mailto:wa8lmf2@aol.com]<BR><B>Sent:</B> Monday, 6 August 2007 11:09
AM<BR><B>To:</B> vk4tec@people.net.au; TAPR APRS Mailing List<BR><B>Cc:</B>
ozaprs<BR><B>Subject:</B> Re: [aprssig] 434 MHz
tracking<BR><BR></FONT></DIV>Andrew Rich wrote:
<BLOCKQUOTE cite=mid:LGEKIKIAKJPNFGILGJBBCEDKDJAA.vk4tec@people.net.au
type="cite">
<META content="MSHTML 6.00.6000.16481" name=GENERATOR>
<DIV><SPAN class=968404623-05082007><FONT face=Arial size=2>You know its a
pity that we hams could not use the technology of easy radio on the ham
bands.</FONT></SPAN></DIV>
<DIV><SPAN class=968404623-05082007></SPAN> </DIV>
<DIV><SPAN class=968404623-05082007><FONT face=Arial size=2>I see that a
1200 baud packet takes a seconds to send.</FONT></SPAN></DIV>
<DIV><SPAN class=968404623-05082007></SPAN> </DIV>
<DIV><SPAN class=968404623-05082007><FONT face=Arial size=2>On the weekend I
was sening 20ms databursts @ 19k2 on 434 MHz at
10mW<BR><BR></FONT></SPAN></DIV></BLOCKQUOTE><BR>But how fast were you
moving? In what kind of terrain. Over what distance?
<BR><BR>1200 baud is much more tolerant of mobile flutter, fading and
multipath from moving vehicles than higher data rates, because it's
individual symbols are much longer. The differences
between even 1200 and 9600 on a Kenwood D700 in motion are quite
dramatic. <BR><BR><BR>
<BLOCKQUOTE cite=mid:LGEKIKIAKJPNFGILGJBBCEDKDJAA.vk4tec@people.net.au
type="cite">
<DIV><SPAN class=968404623-05082007></SPAN> </DIV>
<DIV><SPAN class=968404623-05082007><FONT face=Arial size=2>I wonder if we
are ever going to break the shackles of 1200 baud ?</FONT></SPAN></DIV>
<DIV><SPAN class=968404623-05082007></SPAN> </DIV>
<DIV><SPAN
class=968404623-05082007></SPAN></DIV></BLOCKQUOTE><BR><BR><BR><BR><BR>--<BR><BR>Stephen
H. Smith wa8lmf (at) aol.com <BR>EchoLink
Node: 14400 [Think bottom of
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