You could maybe beg/steal/borrow a GPS simulator[1] and test your candidate receivers with it. Best do it in a Faraday cage though, unless you want to upset som

You could maybe beg/steal/borrow a GPS simulator[1] and test your candidate receivers with it. Best do it in a Faraday cage though, unless you want to upset some Very Serious Important Things[2], and (likely government) owners thereof. Probably way out of budget range for hobby stuff though [1] One is the WelNav GS720: http://www.t-e.com.tw/GS-720.pdf http://www.t-e.com.tw/GS-720.pdf [2] A Simple Demonstration that the Global Positioning System (GPS) is Vulnerable to Spoofing: http://www.ne.anl.gov/capabilities/vat/pdfs/GPS-Spoofing-%282002-2003%29.pdf http://www.ne.anl.gov/capabilities/vat/pdfs/GPS-Spoofing-%28...