The mission of the Tier 2 server network is to provide reliable access to the APRS Internet Service for users around the world. The team is focused to use the finest technology available and to create the infrastructure to give you support for your most efficient use of the APRS-IS. With servers now in 22 countries worldwide, Tier 2 is the optimum choice for all APRS-IS users. If you are interested in running a Tier 2 server, or if you have further questions about the network, our email address is ad6nh(at)

These Wiki pages will give you some more detailed information to complement the Tier 2 home page

This Wiki also tries to give answers to some frequently asked questions on the different APRS related discussion groups.

The Tier 2 Wiki home page is at

If you think an important information concerning the use of the Tier 2 APRS-IS servers is missing, feel free to add a page to the Wiki.