<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.6000.16441" name=GENERATOR></HEAD>
<BODY>
<DIV><SPAN class=718210512-23052007><FONT face=Arial size=2>An
obesrvation:-</FONT></SPAN></DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial size=2>1. I started sending
NMEA data over 433 MHz OOK (on off keying) with some
success.</FONT></SPAN></DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial size=2>2. Now I am trying
radiometrix modules, which seem to work great with 100% data
throughput</FONT></SPAN></DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2>but</FONT></SPAN></DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial size=2>when you are not
sending data, the module puts out gibberish.</FONT></SPAN></DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial size=2>I am wondering if I
shud be keying up the TX and using the carrier detect on the rx to get the thing
to work properley.</FONT></SPAN></DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial size=2>I was under the
impression a 1 or a 0 applied would swing the module to an idle
state.</FONT></SPAN></DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial size=2>comments
?</FONT></SPAN></DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial size=2>I have gone from OOK
to FSK.</FONT></SPAN></DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial size=2>Cheers
</FONT></SPAN></DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=718210512-23052007><FONT face=Arial size=2>Andy
VK4TEC</FONT></SPAN></DIV></BODY></HTML>