Jamming the GPS signal is much different than spoofing 3+ GPS satellites. You can buy a 5 watt Russian GPS jammer for fairly cheap, but spoofing GPS, getting it

Jamming the GPS signal is much different than spoofing 3+ GPS satellites. You can buy a 5 watt Russian GPS jammer for fairly cheap, but spoofing GPS, getting it all right is not available on anything publicly for sale. Pretend Iran could get that math right at the same time as jamming the plane (from above btw!!) to block the real GPS satellites. I'm sure one of the many http://lmgtfy.com/?q=gps+anti-jam http://lmgtfy.com/?q=gps+anti-jam defense contractors would happily sell the military something that might resolve that issue.