05.03.2013 Views

Data Hacking

Data Hacking

Data Hacking

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

FIGURE 4-14: SmartSolar solar charger and power pack<br />

Setting Up a Reradiating Antenna in a Car<br />

Chapter 4 — Antenna Hacks<br />

This section describes how to set up a reradiating antenna in a car. Before you start, you have to<br />

make some decisions:<br />

Consider how you are going to power your reradiating antenna and your GPS while it’s<br />

in the car. If your car has a 12-volt cigarette adapter, then that can be used (add a splitter<br />

if you need to double up on the sockets available). If you need to tap into the power supply<br />

to hardwire the power supply, remember to add a fuse to the circuit (2A will work).<br />

Consider antenna placement carefully. The best place is the highest point on the vehicle.<br />

Normally, the spot that has the best exposure to the sky is the roof, but if you usually<br />

have a roof rack, then this might need to be reconsidered.<br />

Is the antenna going to be permanently fixed to the vehicle or is it temporary? If it is<br />

going to be a permanent addition to your vehicle, I suggest you attach it using stainlesssteel<br />

screws or bolts, and use silicone to waterproof any holes you make. You can achieve<br />

a temporary setup with a magnetically mounted antenna. These antennas often have a<br />

75

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!