All the photographs mentionned in the section Aerial photographs can be supplied to users under various supports:
- Analogic support by the Aerial Photographic Laboratory
- Digital support by the Photogrammetry Unit
Contact print : 23cm x 23 cm
price: 1000 YR
Enlargement 2x : 50 cm x 50 cm
price: 2000 YR
Enlargement 4x : 1m x 1m
price: 4000 YR
In addition to these standard works, there are possibilities of enlarging certain areas of the films only: in this case, for a given size of print out (see above), prices have to be increased by 1000 YR
The Survey Authority of Yemen is equipped with a photogrammetric scanner (DSW200 from HELAVA), which is able to scan:

- any film transparency up to a 24x24 cm format,
- in colors or in black and white,
- with a very fine resolving power (up to 12.5 microns)

A 12.5 microns pixel size corresponds to 25 cm on the ground for an aerial photograph at the scale of 1 : 20 000 and a 25 microns pixel size corresponds to 50 cm on the ground for an aerial photograph at the scale of 1 : 20 000.

The digital images may be provided as TIFF, JPEG, or VITEC images, on CD ROM or on exabyte tapes.

Scanning one picture with a resolution of 12.5 µm,
Standard delivery on CD ROM
price: 10 $ US
Photo development and scanning


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