The operator who chooses to add fixed earth stations are required to apply for a satellite fixed earth station installation approval certificate with competent government authorities in accordance with stipulations set forth under Article 17-1.The foresaid stipulation applies to the circumstances where the operator is changing the fixed earth station’s installation site, frequency transmitting equipment or approved wireless radio frequencies; when changing the frequency transmitting equipment by adopting the same make and model number, the operator may file for an approval by competent government authorities.