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Bob,<br>
<br>
Maybe he first thing is to standardize a "APRS-B" frequency in the
70cm band and a deviation that is compatible with the amateur radio
regulations in most countries. I have send you a proposal several
month ago for 432.900 MHz and I'd be interested what you and others
think about that.<br>
<br>
Thomas<br>
KT5TK<br>
<br>
<br>
On 06/24/2013 07:54 AM, Robert Bruninga wrote:
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<p class="MsoNormal">I’m impressed with the 500 mw transceivers
on 433 MHz costing $20 or so and operating at 9600 baud.</p>
<p class="MsoNormal">
Why don’t we call this APRS-B (plan B). And start paralleling
our network with these devices.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Then instead of only 5% of hams having APRS
capability, we could get more people in the clubs to own a
device and also to put one up at home so we have a backup data
channel as well?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Maybe lots of you are doing this alrady and
I am the last one to the party. But whatever we do, lets
standardize on something so we are all headed in the same
direction.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">These are wideband devices, so they are not
compatible with any existing APRS or other ham FM radios.
That is why it is a fresh start. What is the sync and key up
time?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Sure the range of 500mw is small, but at
only 10% of the cost of a digi we can put them at more and
closer places and even solar power them.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">
Bob, WB4APR</p>
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