1:50 000 Scale Gazetteer

Specification

1:50 000 Scale Gazetteer

Coverage

Great Britain (England, Scotland and Wales).

Availability

Full Great Britain coverage is supplied.

Data source

1:50 000 Scale Gazetteer is derived from 1:50 000 Scale Names database.

Data structure

ASCII Text file, colon separated.

Scale

Nominal scale is 1:50 000.

It is designed to be viewed with the 1:50 000 Scale Colour Raster product, which is best displayed at the following scales:

Recommended minimum to maximum scale range is 1:15 000 to 1:60 000 scale.

It is best viewed between 1:20 000 and 1:50 000 scale.

Transfer formats

Colon separated variable text file.

Storage

GB approximately 112mb.

Supply media

CD

Coordinate precision

1 kilometre. The data references the centre-point of the 1km x 1km national grid tile in the 1:50 000 Scale Colour Raster product.

Update interval

Refreshed annually in June.

Complete re-supply is delivered to customers. Change only update is not available; the Update Code field (see Content table below) indicates whether the record has changed since the previous supply.

Styling

No symbol set is supplied with the product.

Geometry type

Point.

Coordinate reference system

British National Grid (OSGB36). Latitude and longitude is also supplied as attributes (see table below).

Field Number

Field Name

Full Name

Description

Example

1

SEQ

Sequence Number

Unique sequence number of the record.

86415

2

KM_REF

Kilometre Reference

The national grid 1km x 1km square the feature falls within on the 1:50 000 scale mapping.

ST5265

3

DEF_NAM

Definitive Name

Distinctive name of the feature the record describes.

Felton

4

TILE_REF

Tile Reference

The 1:50 000 Scale Colour Raster tile the feature name falls within.

ST46

5

LAT_DEG

Latitude Degrees

The latitude and longitude degrees and minutes of the 1km national grid square the feature name falls within.

51

6

LAT_MIN

Latitude Minutes

23.1

7

LONG_DEG

Longitude Degrees

2

8

LONG_MIN

Longitude Minutes

41

9

NORTH

Northings

National Grid position of the centre-point of the 1km square  the feature name falls within.

165500

10

EAST

Eastings

352500

11

GMT

Greenwich Meridian

Position in relation to the Greenwich Meridian

W

12

CO_CODE

County Code

Code representing the county or unitary authority boundary the definitive name falls within. See User Guide for a list.

NS

13

COUNTY

County Name

Abbreviated county or unitary authority name.

N Som

14

FULL_COUNTY

Full county name

Full county or unitary authority name.

North Somerset

15

F_CODE

Feature Code

Describes what the feature is. See User Guide for a list.

O

16

E_DATE

Edit Date

The date the record was last amended.

01-MAR-2007

17

UPDATE_CO

Update Code

Indicates whether the record has been inserted, amended or deleted since last update, to help with managing updates.

I

18

SHEET_1

Primary Sheet No.

The OS Landranger Map sheet the feature name falls within.

172

19

SHEET_2

Second Sheet No.

182

20

SHEET_3

Third Sheet No.

0