Nimiq 1

Canada

International Sat. n°:

Canadian satellite n°: 20

Nimiq is an Inuit word for any object or force that unites things or binds them together. The name Nimiq was selected through a national contest in April 1998.
Also called Telesat DTH-1

Launch data:

Designation	25740 / 99027A
Launch date	21 May 1999
Launch site	Baikonur, LC-81/23
Launch vehicle	Proton-K/DM3 (#266)
Mission	Telecommunications
Geostationary orbit on:
Perigee / Apogee	km
Eccentricity
Inclination	°
Period	min
Location	91°W

GEO DBS satellite operated by Telesat Canada, the well known operator of Anik. ExpressVu Inc. will acquire 17 of the 32 transponders.

The satellite was shipped to Tyuratam for launch but had to be flown back to the US because of technical problems with wiring (on TWTAs). Test in orbit were finished on 22 Jun 1999.

Specifications:

Prime contractor	Lockheed Martin / Spar Aerospace
Platform	LM A2100AX
Operator	Telesat Canada
Mass at launch	3600 kg
Mass in orbit
Dimension	5.8 height x 2.4 x 2.4 m
Equipment	32 Ku-band transponders
Solar array	2 deployable solar arrays, 27 m span
Stabilization
Propulsion	LEROS-1C
DC power	EOL: 8600 W
Design lifetime	12 years - operational

Ku-band

Main transponders	32
Backup transponders
Power	120 W
Bandwidth	24 MHz
Coverage	CONUS and most of Canada
EIRP max	55 dBW
G/T max
Polarization	circular
Frequencies	uplink: 17.3-17.8 GHz downlink: 12.2-12.7 GHz

The transponders can be dual-combined to provide 230 W per transponder

Ku-band transponder frequency chart (GHz)

Vertical Downlink	Transponder	Horizontal Downlink
12.224	1
	2	12.239
12.253	3
	4	12.268
12.282	5
	6	12.297
12.311	7
	8	12.326
12.341	9
	10	12.355
12.370	11
	12	12.384
12.399	13
	14	12.414
12.428	15
	16	12.443
12.457	17
	18	12.472
12.486	19
	20	12.501
12.516	21
	22	12.530
12.545	23
	24	12.559
12.574	25
	26	12.588
12.603	27
	28	12.618
12.632	29
	30	12.647
12.661	31
	32	12676

Ref: #14, #253 - update: 19.09.11