[aprssig] 6m MS network Performance Monitoring!
Robert Bruninga bruninga at usna.eduThu Jan 3 16:40:43 UTC 2008
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> I think I might have missed some details > - where's the pallet of radios > coming from? What type are they, and how much? It is a local project so far, and someone in the AMRAD group is putting together the arrangements. So far, he has had a few radios, but hopes to put together a larger package. I'll let everyone know if the radios become available... Bob, Wb4APR > Scott > N1VG > > 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. > >> > >> > >> _______________________________________________ > >> aprssig mailing list > >> aprssig at lists.tapr.org > >> https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig > >> > > > > > > _______________________________________________ > > aprssig mailing list > > aprssig at lists.tapr.org > > https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig > > > > > >
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