Nilesat 101

Also called Nilesat 1

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General

Designation	25311 / 98024A
Launch date	28 Apr 1998
Country of origin	Egypt
Operator	Nilesat
Mission	Telecommunications
Geostationary orbit	7°W
Launch vehicle	Ariane V108

On the contract: 2 satellites + 2 earth stations on the contract: total amount: $158 million for Matra Marconi Space.

Telesat Canada provided the consultancy to setup the whole system.

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End of life

Out of service	Feb 2013
Cause	sent to the junk orbit

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External resources

sat-index articles

Technical data

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Lyngsat transponder loading

EIRP coverage (dBW)

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Specifications

Prime contractor	Matra Marconi Space
Platform	Eurostar-2000
Mass at launch	1840 kg
Mass in orbit	1100 kg
Dry mass	795 kg
Dimension	2.3 x 2.4 x 1.7 m
Solar array	21.5 m span
Stabilization	3-axis
DC power	3750 W
Design lifetime	16 years

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Ku-band

Main transponders	12
Backup transponders	6
Power	105 W
Bandwidth	33 MHz
Coverage	Middle East & North Africa
EIRP max	50.3 dBW
Polarization	linear H/V
Frequencies	downlink: 11.7 - 12.5 GHz

2.3 m diameter onboard antenna
Payload provided by Alcatel Espace

NileSat 101 reception is far better than predicted: reception in London was predicted with 4.5 m dish but only 1.2 m ones are required. As far as the Arabian Gulf is concerned, viewers in Oman can receive signals on 90cm dishes.

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Transponder frequency chart (GHz)

Transponder	Polarization	Frequency
2	V	11.747
3	H	11.766
4	V	11.785
5	H	11.804
6	V	11.823
7	H	11.842
8	V	11.861
9	H	11.881
10	V	11.900
11	H	11.919
12	V	11.938
13	H	11.957
14	V	11.956
15	H	11.996
16	V	12.015
17	H	12.034
18	V	12.053

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