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[aprssig] Weather Station Path/Rate Recommendations

Steve Dimse steve at dimse.com
Tue Jan 20 22:37:02 UTC 2009


On Jan 20, 2009, at 5:12 PM, Robert Bruninga wrote:

> This required no user settings.  Changing weather was basically
> updated every 5 minutes, and decayed to a maximum of 10, 20, or
> 30 minutes depending on how many HOPS were in the user path.  If
> direct or 1 hop, then 10 minutes.  If 2 or 3 hops, then 20 or 30
> minutes.  Again, nothing for the user to set, nothing to screw
> up, and consistent expectations from all WX stations.

Even if every client program implemented this, it would not meet the  
needs for some services that have come to depend on APRS. Fortunately,  
AFAIK, no one else implemented this.

If the user of the data has perfect knowledge of the algorithm and  
settings for each user, and the transport was guaranteed, then this  
would work. For real-life situations, and for automated system like  
computer weather forecasting models, the absence of data cannot serve  
the same purpose as the transmission of that data.

Steve K4HG



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