0000913271-99-000001 15-12G 1 19990924 AMERICAN TELECASTING INC/DE/ 0000913271 4841 541486988 DE 1231 15-12G 34 000-23008 99716418 5575 TECH CENTER DR STE 300 COLORADO SPRINGS CO 80919 7192605533 5575 TECH CENTER DRIVE COLORADO SPRINGS CO 80919 15-12G 1 000091327199000001-001-seq1-15-12g.txt AMERICAN TELECASTING, INC. - FORM 15