6m MS network Performance Monitoring!

David Aitcheson - KB3EFS kb3efs at yahoo.com
Wed Jan 2 18:21:44 CST 2008


look at http://www.propnet.org

it does exactly that.

ex-webmaster @ http://www.propnet.org

--- Robert Bruninga <bruninga at usna.edu> wrote:

> > I have revised my APRS MS web page to focus 
> > on this exciting new capability.  
> Wow, and I just added one more thought.  And that is that each
> Igate can also be probing the 6m sky with its own periodic beacon 
> packets. 
> Then, if any one of the other dozens of 6m Igates hears it, then
> it is visibile back to the originating Igate in real time as
> feedback.  The Igates themselves then can easily build their own
> statistics on their own real-time success rate.
> They can use this to fine-tune the optimum statistical transmit
> rate to obntain the performance we desire! (97%) probablitiy of
> delivery... PLUS real time performance data on the whole 6m MS
> network!
> http://www.ew.usna.edu/~bruninga/meteors.html
> Bob, WB4APR
> One thing down the road we might need is for
> > ALOGGER to also TX messages back into the disaster area.
> > Something like this:
> > 
> > Someone send an EMAIL to the disaster area.  All 6m Igates see
> > the message and schedule it for transmitting.  Each Igate
> > transmits according to the normal 15 second TX windows for
> > each quadrant of the country.  They do this for say one hour 
> > (TBD).
> > 
> > All we have to do is figure out the probability distribution
> > and set the TX time for that amount of time that will give a 3 
> > sigma chance of delivery (97%)... And the MS Igates can share the 
> > schedule if more than one is in any given area.
> > 
> > There is a pallet full of 6m radios available.  Mike in the
> > AMRAD group is looking into a buil purchase.  And with the 100
> > foot long wire giving great gain (12 dBi), the antenna should
> > be trivial.

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