| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Aprs Moving Hams On Radio And The Internet: A Guide to the Automatic Position Reporting System | 978-0-87259-916-1 (0-87259-916-7) | 2004 |
| APRS: Tracks, maps, and mobiles: a guide to the Automatic Position Reporting System | 978-0-87259-774-7 (0-87259-774-1) | 1999 |