[aprssig] APRS Clients Blackberry

[Tom Hayward]

> I was under the impression that the history feeds were not filterable.  Am I
> incorrect in that understanding?

Some are filtered. For instance, first.aprs.net port 10253 is a
filtered history port. I am not sure how many servers offer this--I do
not offer any history ports on my tier 2 server. The application
developer way want to set up a filtered history port server
specifically for the application.

Tom KD7LXL