Skip to main content

Table 1 Combination of antenna’s rotation angles and observation pillars for the outside method. The Az angle is measured from north clockwise, and the El angle is measured from horizon to zenith. Observation 25 is not used for the calculation due to outlier

From: An effective approach for accurate estimation of VLBI–GNSS local-tie vectors

Observation

Az [deg]

El [deg]

Observation point

Observation

Az [deg]

El [deg]

Observation point

1

0

90

Pillar 3 & Pillar 4

21

180

90

Pillar 1 & Pillar 2

2

0

60

22

180

60

3

0

45

23

180

45

4

0

30

24

180

30

5

0

0

25

180

0

6

335

0

26

165

0

7

335

30

27

165

30

8

335

45

28

165

45

9

335

60

29

165

60

10

335

90

30

165

90

11

280

90

Pillar 2 & Pillar 3

31

95

90

Pillar 1 & Pillar 4

12

280

60

32

95

60

13

280

45

33

95

45

14

280

30

34

95

30

15

280

0

35

95

0

16

260

0

36

65

0

17

260

30

37

65

30

18

260

45

38

65

45

19

260

60

39

65

60

20

260

90

40

65

90