0000354204-00-000144 SC 13G 1 20000203 ALLEN TELECOM INC 0000003721 3663 380290950 DE 1231 SC 13G 34 005-30529 521161 25101 CHAGRIN BLVD # 350 BEACHWOOD OH 44122-5619 2167655818 ALLEN GROUP INC 19920703 DIMENSIONAL FUND ADVISORS INC 0000354204 0000 22370029 IL 1231 SC 13G 1299 OCEAN AVE 11TH FLOOR SANTA MONICA CA 90401 3103958005 1299 OCEAN AVENUE 11TH FLOOR SANTA MONICA CA 90401 SC 13G 1 000035420400000144-001-seq1-sc-13g.txt 1999 SCHEDULE 13G - ALLEN TELECOM INC