I wrote in an earlier post about taking a reference photo on my iPhone 5 to capture the geo-metadata not being recorded by my Canon 60D DSLR. Now I’ve taken the next step and am using my iPhone 5 to geo-tag many DSLR photos taken at different locations in a single operation. Continue reading
I discovered in the course of doing these investigations that some, but not all, software operations appear to remove geo-metadata from image files. Continue reading
My Canon DSLR, like most cameras, does not have a built-in GPS and cannot geo-tag photos.
I experimented on a recent trip with shooting a reference photo on my iPhone with the Camera app at each location where I wanted to record the location. What did the iPhone capture? Continue reading
I headed to the Red Rock Canyon area outside of Las Vegas in 2011 to test a $3 GPS app (MotionX GPS HD) on my iPad2. This model iPad has true GPS circuitry that accesses the global positioning system of satellites. It is not dependent on WiFi or data connectivity to determine its location, although it uses them where available to complement the GPS data. Not all tablets and smartphones have this. Many use other geo-location techniques such as cell tower triangulation, but these should not be called ‘GPS’.
Here are the illustrated results of a hiking test and a driving test, followed by my bottom-line assessment. Continue reading