All of the major SmartPhone operating systems allow you to see GSM signal quality in an exact dB measurement. It should be pretty easy for someone with access t

All of the major SmartPhone operating systems allow you to see GSM signal quality in an exact dB measurement. It should be pretty easy for someone with access to many GSM handsets to do field testing. Arguing back and forth with anecdotal evidence is pointless when it's so easy to obtain the facts.