I just saw the orbit altitude for this mission and it agrees with the LOW orbit elset as below. Since I did not have exact orbital parameters. allow some time and crosstrack uncertainty. Iridium, Delta, 13:37:52 UT, 6 Nov 98 (LOW ORBIT) 1 99999U 980XXA 98310.60977108 .00006968 00000-0 95478-3 0 10 2 99999 86.5750 312.2912 0011325 222.9550 137.4309 15.14096788000041 Ron Lee