# Category:Geographic coordinate systems

Here is a list of articles in the Geographic coordinate systems category of the Earth portal.

## Pages in category "Geographic coordinate systems"

The following 46 pages are in this category, out of 46 total.

- Geographic coordinate system
*(earth)*

### *

- Geographic coordinate conversion
*(earth)*

### C

- C-squares
*(earth)* - Cassini Grid
*(earth)*

### D

- Denso mapcode
*(earth)*

### E

- ED50
*(earth)* - European Terrestrial Reference System 1989
*(computing)*

### G

- Gauss–Krüger coordinate system
*(earth)* - Gaussian grid
*(earth)* - Geography (Ptolemy)
*(computing)* - Geohash
*(earth)* - Global Area Reference System
*(earth)* - Global Navigation Grid Code
*(earth)* - Grid (spatial index)
*(computing)*

### H

- Hellenic Geodetic Reference System 1987
*(earth)* - Hexadecimal geographic coordinate system
*(computing)* - Horizontal position representation
*(earth)*

### I

- Irish grid reference system
*(earth)* - Irish Transverse Mercator
*(earth)* - ISO 6709
*(computing)* - Israeli Cassini Soldner
*(earth)* - Israeli Transverse Mercator
*(earth)*

### L

- Local tangent plane coordinates
*(earth)*

### M

- Maidenhead Locator System
*(earth)* - Mapcode
*(earth)* - Military Grid Reference System
*(earth)* - Modified transverse Mercator
*(earth)* - Modified Transverse Mercator coordinate system
*(earth)*

### N

- N-vector
*(earth)*

### O

- Open Location Code
*(earth)* - Ordnance Survey National Grid
*(earth)*

### P

- Palestine grid
*(earth)* - PROJ
*(software)* - PROJ.4
*(software)*

### Q

- QRA locator
*(earth)*

### R

### S

- SK-42 reference system
*(earth)* - SOTA Mapping Project
*(earth)* - Spatial reference system
*(earth)* - State Plane Coordinate System
*(earth)* - Swedish grid
*(earth)* - Swiss coordinate system
*(earth)*

### U

### W

- Web Mercator projection
*(computing)* - World Geographic Reference System
*(earth)*