[aprssig] 6m MS network Performance Monitoring!

Scott Miller scott at opentrac.org
Wed Jan 2 17:32:41 EST 2008

I think I might have missed some details - where's the pallet of radios 
coming from?  What type are they, and how much?


Robert Bruninga 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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