0001005477-00-000485 SC 13G 1 20000202 AIRGATE PCS INC 0001085302 4813 582409617 DE 0930 SC 13G 34 005-57115 520490 230 PEACHTREE ST NW STE 1700 ATLANTA GA 30303 4045257272 230 PEACHTREE ST NW STE 1700 ATLANTA GA 30303 ESSEX INVESTMENT MANAGEMENT CO INC 0000201772 004260191 MA 1130 SC 13G 125 HIGH STREET SOUTH BOSTON MA 02110 6174824870 SC 13G 1 000100547700000485-001-seq1-sc-13g.txt SCHEDULE 13G