1 2

3

(Remote Sensing)

(Hardware) (Software)

4

(Remote Sensing and

Geographic Information System) (Digital)

(Base Map)

5

- - -

-

S (> 1,000,000), M (250,000 1,000,000), L (< 250,000)

- S (> 600,000), M (600,000 75,000), L (< 75,000)

- -

6

(Map Face)

L 7017 1:50,000 Remote Sensing GIS (Base Map)

7

1. (Series Name and Map Scale) THAILAND 1:50,000

8

2. (Series Number) L 7017

L Regional Area Sub-Regional Area L

7 1:70,000 1:35,0000 L (Sub-Regional Area)

17 L

17

9

3. (Sheet Name) 2

10

4. (Sheet Number) (Map Index) .

11

5. (Legend) (Symbol)

12

6. (Map Scale)

:=

13

7. (Spheroid or Ellipsoid) Clarke Ellipsoid .. 1866 Everest Ellipsoid

3 (Sphere) (Spheroid Ellipsoid) (Geoid)

14

(Plumb Line) (Geodesy)

15

http://www.esri.com/news/arcuser/0401/datum.html16

17

(Ellipsoid) CLARK Everest

WGS84

18

8. (Grid) 1:50,000 1,000

19

9. (Projection)

(Map Projection)

20

Transverse Mercator Projection

21

10. (Vertical Datum)

22

11. (Horizontal Datum)

23

((DatumsDatums))

Datum

- -

24

Ellipsoid Datum 2

1. L7017 - Ellipsoid Everest- Datum Indian Datum

2. L7018- Ellipsoid WGS84- Datum WGS84

25

12. (Horizontal Datum)

26

27

Latitude

28

Latitude

29 30

() 8 00 00 100 15 00

31

UTM

32

UTM

33

34

35 36

37 38

1

2

3

39 40

13. (Direction)- (True North) ()- (Grid North) ()- (Magnetic North)

41

14. (Contour line)

(Index contour)

- - - - -