Yes, when it first came out, it was a boon for cruising sailors such as myself who were using radio-based Loran up to that time. If I remember correctly, the ci

Yes, when it first came out, it was a boon for cruising sailors such as myself who were using radio-based Loran up to that time. If I remember correctly, the civilian resolution was originally 50 meters, then lowered to 10 meters. I believe it is 1 meter today.