Experiments with Trimble's Lassen IQ

The Lassen IQ is a GPS receiver that is extremely power efficient. Here are some links:

• http://www.mikrocontroller.net/articles/GPS-Empfang_mit_Lassen_iQ

Here's a little theory on satellite navigation:

• http://lea.hamradio.si/~s53mv/navsats/theory.html

And here it is:

1 Experiments

1.1 APRS-Tracker

The challenge is to build a high performance tracker as power efficient and as space-efficient as it can be.

Ingredients:

• Trimble LassenIQ
• Trimble ANT
• OpenTracker SMT

Here's a photo of the OpenTracker SMT. It's really small: