Table 1.

Feature vectors for targets j = SPA, j = ICE and j = FER and Φ^SO1 = ]10 – 30°, 280 – 350°, 5.3 – 9.65GHz}^SO1. Heights (z) are normalized with respect to the lowest value in order to match interferometric height conventions.

ΘSPA					ΘICE
${\Theta }_i^{\mathit{\text{SPA}}}$	xi	yi	zi	pi	${\Theta }_i^{\mathit{\text{ICE}}}$	xi	yi	hi	pi
1	3.5	-10	0	0	1	3	-2	0	1
2	3.5	-5	0	0	2	-6	-14	6.5	1
3	-0.5	-8	2.5	1	3	-1	1	6.5	1
4	-0.5	-2	4.5	1	-	-	-	-	-
ΘFER					-
${\Theta }_i^{\mathit{\text{FER}}}$	xi	yi	zi	pi	-
1	12	-25	0	0	-
2	10	-25	0.5	1	-
3	9	8	2.5	1	-
4	9	-8	2.5	1	-