My husband also insists that I ride with the phone when I train. Through
experimenting I have discovered where I can receive the signals, however I
always leave a note saying what area I'll be riding. Not that he has any
idea where the trails are; (He thinks "two legs good, four legs bad.").
Once I got lost and had to call for help. My endurance friends came to the
rescue after Joe told them where I was. Jane