What sort of cable do I need? Can I make the cable as long as I like? What else do I need? How do I join up the ends? The global positioning system is a satellite-based navigation system consisting of a network of 24 orbiting satellites that are eleven thousand nautical miles in space and in six different orbital paths. If your PC is more than a year or so old, it probably has a hard drive that is small enough to be swallowed up quite quickly by the huge demands of modern home and office programmes. Home security is a subject close to many peoples’ minds. If you can stop intruders getting in, you have protected more than a house full of possessions. You have protected your family’s way of life There are a number of important technical issues relating to the matching of speakers to amplifiers, and to the wiring of multiple speaker systems (eg 2 x 12”, 4 x 12”, etc.). With the trend towards working from home, there is an increase in communication equipment in the home such as telephones, fax machines, computers and modems to access the internet. Soldering is the joining together of two metals to give physical bonding and good electrical conductivity.