[aprssig] IGate test needed

[Phillip B. Pacier]

AE5PL Lists wrote:

>I agree, Tapio.  The "from" call should designate who (or what) is
>inserting these packets into APRS.  These are really objects, not APRS
>stations so they really should be inserted as objects, not APRS
>stations.  Both the Winlink and EchoLink servers use objects.
>  
>
The same could be said for the WXSVR objects as well.  The from call 
should at least be WXSVR if not a valid callsign, instead of being the 
weather header such as SGXFFS.

73
Phil - AD6NH