4. Project Technical Specification

The specific technical specification for this multifunction satellite have not decided yet. There are two options, first build new satellites and rent the satellites. However, to optimize plan band. There are specification that must be concerned.

NO

DESCRIPTION

C-BAND

Ku-BAND

1

Uplink frequency band (MHz)

6725-7025

12750-13250

2

Downlink frequency band (MHz)

4500-4800

10700-10950 dan 11200-11450

3

Antenna size (m)

5.5

2.7

4

Tx antenna gain (dBi)

50.4

49.8

5

Network availability (%)

99.95

99.9

6

C/N uplink (dB)

21

21

7

C/N downlink (dB)

15

15

8

Minimum elevation angle (deg)

40

40

9

Type of modulation

Any

Any

10

Rx ES system noise temp (K)

95

125

11

ES antenna efficiency (%)

70

70

12

Rx SS system noise temp (K)

500

550

13

Min beamwidth (deg)

1.6

0.8

14

SS antenna efficiency

55

55

15

Downlink pfd limits (dB(W/(m2.MHz))

-127.5

-114

16

Uplink pfd limits (dB(W/m2.MHz))

-140

-133

17

ES EIRP density (dBW/Hz)

1.8
(Equivalent 64.8 dBW/2 MHz)

13.7
(Equivalent 76.7 dBW/2 MHz)

18

SS EIRP density (dBW/Hz)

-38.6
(Equivalent 37 dBW/36 MHz)

-22
(Equivalent 53.2 dBW/36 MHz)