[aprssig] Re: APRSpoint Pros/Cons WAS: (no subject)

Stephen H. Smith wa8lmf2 at aol.com
Fri Aug 19 16:56:39 EDT 2005

kd4moj at kd4moj.org wrote:

>On Fri, 19 Aug 2005, Stephen H. Smith wrote:
>>Doesn't support logon message for APRS server port 14580   filter port
>   Not sure what you mean here... but I connect to 14580 on my Igate
>(aprsD) with no problem. Port sees all local traffic heard on RF.

There is no provision to automatically send the filter port message as 
part of a logon to tier-2 port 14580 (the user-defined filter port).  
You have to manually send a message to the server after logon to enable 
the filter.   If you get disconnected or the program switches to the 
alternate (fallback) server, nothing will be received until the message 
is again manually sent.   Not good for unattended operation.   Note that 
this failure won't affect the ability to send stuff heard off-air TO the 
APRS server; only to receive FROM it.

[ APRSplus and UIview both support storing and automatically sending the 
filter port message as part of the initial server connection process.  ]

>>NOTE:  You can also use MapPoint with UIview via the   UIpoint    add-on 
>>for  UIview.   
>   Except this is real slow under UI-View....
This is primarily due to the resource-hogging sluggishness of MapPoint 
itself, not the application that connects to it.  The same problem 
exists with APRSpoint, or even MapPoint running standalone as a moving 
map GPS display.   In general, MapPoint isn't really usable on anything 
less than about a 400-500 MHz P-II or higher - the scrolling and zooming 
will just be too slow.   

Interestingly, the  nearly identical-looking  MS Streets & Trips 
(feaure-limited "consumer" version of MapPoint) is quite usable on 
lesser machines.  Unfortunately, there is no APRS application that can 
effectively use Streets & Trips. 

MapPoint and it's sister Streets&Trips are among my favorite mapping 
apps, due to the rich variety of information overlaid on the basic road 
maps (national park outlines, dry river beds, Indian and military 
reservation outlines, excellent closeup detail of freeway exits and 
interchanges, etc) but they do need to be "brute forced" on really fast 
machines to be responsive.  

Stephen H. Smith    wa8lmf (at) aol.com
EchoLink Node:      14400    [Think bottom of the 2M band]
Home Page:          http://wa8lmf.com

APRS Symbol Chart

New/Updated "Rev G" APRS     http://webs.lanset.com/wa8lmf/aprs
Symbols Set for UI-View,
UIpoint and APRSplus:

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