TY - JOUR AU - Judah Levine BT - Reports on Progress in Physics DA - Jan-08-2002 DO - 10.1088/0034-4885/65/8/201 PY - 2002 SP - 1119 EP - 1164 T2 - Reports on Progress in Physics TI - Time and frequency distribution using satellites VL - 65 SN - 0034-4885 ER -