The APRSfl.net server provides connectivity to Amateur Radio APRS users via the APRS-IS Network. There are many options to have your feed narrowed down to just what you want out of the 20,000+ stations heard daily.

Simply use aprsfl.net as your server and the port of your choice from the table below:
(Connections are also available to the server via IPv6 at ipv6.aprsfl.net)

The APRSfl.net server is a stand alone server providing access to those who value it's services....

APRSfl.net  - Server Port Connection Table
Port Number	Description
Ham Only Data Feeds (No CWOP Data)
10154 or 20154	USA Only Feed
10155 or 20155	Europe Only Feed
10156 or 20156	Stations within 350 km of your location
10157 or 20157	Stations within 100 km of your location
10158 or 20158	Stations within 1000 km of your location
10159 or 20159	Stations within 3000 km of your location
1314	Message Only Feed
14579	Regional East Coast US Only Feed
Customizable Ports Using Filter Parameters
14580	Bi-Directional Filtered Feed

• You can view the servers Status Page to monitor connections to APRSFL. 

• This server passes only verified amateur callsign posits - unverified (qAX or TCPXX) posits are not passed (including CWOP)

  If you are a amateur operator, simply make sure you have a callsign validation number for your call in your software.... If you do not have one, contact the program's developer or contact the sysop of this server to obtain one.