| INTRODUCTION |
A Typical System
| The antenna position resolvers provide direction information |
| to the INTRAC. The |
| tracking signal strength. (A signal strength derived dc voltage |
| from an external receiver may be used in place of the |
| Advantech AMT |
| The Motor Drive Cabinet receives the antenna drive |
| commands from the INTRAC and drives the azimuth, |
| elevation and polarisation (option) motors and brake |
| assemblies. |
| Limit switches on the antenna prevent it from being moved |
| beyond mechanically defined positions. |
| The |
| from an optional PC based Remote Control and Monitoring |
| Terminal. |
Retro Fitting | Existing Step Track or Program Track installations may be |
| updated to INTRAC systems. Advantech AMT Ltd. have |
| considerable experience of retro fitting INTRAC systems. |
© 2011 Advantech Wireless. | Page vii |