[aprssig] Re: PHG in APRS and Xastir?

[Robert Bruninga]

>>> jdw at eng.uah.edu 05/11/06 1:12 PM >>>
>Bob, you are requesting that PHG data be 
>transmitted by default, so basically you're asking 
>the software developer to make assumptions 
>about every station that may use the software.

That is a real stretch.
1) I was asking the setup menu to include asking
the station for his Power, Height and Gain at the
same time he has to enter his LAT/LONG.
2) Then transmit thi sPHG in his position report by default.

Sorry, but I think you  missunderstand
what I was asking....


Bob
*-----------------------------------------

No software developer knows what my PHG is at compile time. In order 
for the software to put a MEANINGFUL value in the PHG field, the 
software (developer) MUST KNOW what my PHG is.  This is absurd!

You ask for PHG to be on by default, yet there is NO WAY for the 
developer to know if the default value is CORRECT.

The default value for PHG should be to disable PHG transmission, unless 
the OPERATOR supplies values for PHG.  To do anything else would be 
transmitting garbage.



Or do you want the software developer to refuse to allow the operator 
to transmit until the operator supplies some PHG values?


If you FORCE operators to supply PHG, or if the developer turns on PHG 
by default (which you requested), then all stations will have a PHG, 
but few of them will have correct values - they'll click "OK" and take 
defaults until they are allowed to get on the air.


If the coverage area of the station (which is what you're really after, 
not PHG) is so important, why isn't there some protocol for an APRS 
station to share that information?

-Jason
kg4wsv


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