[aprssig] AVRS Online

John Gorkos jgorkos at gmail.com
Sat Jan 15 13:03:17 EST 2011

On Saturday, January 15, 2011 12:10:03 Lynn W. Deffenbaugh (Mr) wrote:
> John Gorkos wrote:
> >> I tried again. It appears that the AVRS server is case sensitive. When I
> >> sent "ve7gdh" I was told "ve7gdh out of range of internet node". I tried
> >> with VE7GDH again and this time it responded with the closest node.
> >> Perhaps it was because my node was connected to a reflector earlier.
> >> Yup... that was it.
> > 
> > I fixed the case sensitivity issue.  toUpper() is pretty simple to
> > insert.  :)
> Actually, that's not necessarily a "good" fix.  On APRS-IS, where this
> will certainly be used, callsigns are CaSe SeNsItIvE.  If you send a
> message to KJ4ERJ-12, I'll receive it and ack it.  If you send the same
> message to kj4erj-12, I'll turn a deaf ear.  Even on the filters, if you
> add a b/ve7ghd* filter, you'll get nothing from APRS-IS.  If you make it
> b/VE7GDH*, you'll start receiving his packets.
> So, you might want to search first for the case as it was entered in the
> request, and make certainly sure you preserve the case of the station
> talking to you.  Upon failing to locate a station in the specified case,
> you can then try again after a toupper() to help out those of us that
> are insensitive typers.
> Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

Please tell me you're kidding.  Is that not a violation of some spec 
somewhere?  Do you think callsigns should be case sensitive?  Are there 
arguments for/against having case sensitive callsigns in APRS-IS?


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