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Calling All Philadelphia-Area Makers!

Eric S. Raymond, hacker icon, open source scholar, and lead developer of GPSD (an open source program used to communicate with GPS devices) is in need of a weatherproof enclosure capable of holding at least eight GPSs at a time, such that they can be readily used for software testing.... Read more »

Homemade GPS Receiver

Andrew Holme built this incredible four-channel GPS receiver using a repurposed FPGA board from a previous frequency synthesizer project. Connected to a PC running a console app, Andrew's receiver is capable of tracking four satellites simultaneously, which is good enough to capture lat, long, and altitude. Read more »