Comment by tlrobinson

There's apps like GoSatWatch[1] which uses your phone's accelerometer/gyroscope to show you where satellites are.

I actually mounted an iPhone holder[2] on my Arrow II UHF/VHF satellite antenna[3] for this purpose (though I haven't really had a chance to use it much)

1. http://www.gosoftworks.com/GoSatWatch/GoSatWatch.html

2. https://www.studioneat.com/products/glif

3. http://arrowantennas.com/arrowii/146-437.html