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<DIV><SPAN class=234112119-20092007><FONT face=Arial size=2>I have been playing
with a few concepts</FONT></SPAN></DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial size=2>1. My current AX25
1200 baud takes about 3 seconds to tx a packet (on average)</FONT></SPAN></DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial size=2>2. The 434 MHz
transmitter I made up takes around 25 ms to send a packet.</FONT></SPAN></DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial size=2>3. ADS-B takes 112uS
to transmitt.</FONT></SPAN></DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial size=2>I would like one day
to play with PPM (Pulse Positon Modulation) for APRS.</FONT></SPAN></DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial size=2>Unfortunately I am
no good at FPGA programming.</FONT></SPAN></DIV>
<DIV><SPAN class=234112119-20092007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=234112119-20092007></SPAN> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial
size=2>----------------------------------------------------------------------------</FONT></DIV>
<DIV><FONT face=Arial size=2>Andrew Rich VK4TEC</FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="mailto:vk4tec@people.net.au">vk4tec@people.net.au</A></FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="http://www.tech-software.net/">http://www.tech-software.net</A></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV> </DIV></BODY></HTML>