Geographic map nomenclature (OGK)

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The standard map sheet nomenclature is composed from the subsystem code or the Mid-latitude subsystem block, the scale code and the  sheet number.

Codes of subsystems, Mid-latitude blocks and scales are as follows:

 

Subsystem  (zone) or the

block  Title (name)        

 

Subsystem code

Scale

 

   Scale  coding  code        

 

The Mid-latitude

Subsystem Blocks:

Europe

Asia

Pacific ocean

Northern America

Atlantic ocean

Northern polar subsystem

 

Southern polar subsystem

Equatorial subsystem

 

 

1

2

3

4

5

6

 

7

8

1:10 000 000

 

1: 5 000 000

 

1: 2 500 000

1: 1 000 000

1: 500 000

Для сводных

увелич. листов

1:10 000 000

1: 5 000 000

01  

 

02  

 

03

04

05  

 

 

10

55

 

Sheet number includes number of Longitude and Latitude zones, which intersection it is located on. Numbering of both zones starts at 0 and rises from bottom to top (Latitude) and from left to right (Longitude).

Nomenclature template looks like:

99 - 99 - 99 - 99

12   34   56   78

  1 symbol . Means the block or the subsystem, accepts values  

From 1 up to 8.

  2 symbol. Means the scale, accepts values from 1 up to 5.

  3, 4 symbols. Number of Latitude zone, Longitude zone of subsystem, accepts values from 00        up to 24.

  5, 6 symbol. Number of Latitude zone, Longitude zone of  the scale

                      1:10 000 000, 1:5 000 000, 1:2 500 000, 1:1 000 000 maps.

                      Accepts values from 00 up to 99.      

7, 8 symbol. Number of Latitude zone, Longitude zone of  the scale

                    1:1 000 000, 1:500 000. Accepts values

From 00 up to 11.

           

Nomenclature examples.

   

   Europe subsystem:

   Scale  1 : 10 000 000 :   11-01

   Scale  1 :  5 000 000 :    12-01-10

   Scale  1 :  2 500 000 :    13-01-21

   Scale  1 :  1 000 000 :    14-01-53

   Scale  1 :    500 000 :     15-01-53-10