54

 

 

 

 

Pathfinder Radar Scanners

 

 

 

 

 

 

 

 

11S Transmitter - 10 kW

 

 

 

 

 

 

 

 

 

 

 

 

Input Voltage

20 - 44 V DC (from display unit)

 

 

 

 

 

 

 

 

 

 

 

Power Consumption

11 W Standby

 

 

 

 

 

 

 

80 W Typical operation in light winds

 

 

 

 

 

 

117 W Max. operation in 50 Kt winds

 

 

 

 

 

 

179 W Max. operation in 100 Kt windS

 

 

 

 

 

 

 

 

 

 

Transmitter Frequency

9410 +/– 30 MHz

 

 

 

 

 

 

 

 

 

 

 

 

Peak Power Output

10 kW (nominal)

 

 

 

 

 

 

 

 

 

 

Transmitter

Solid state modulator driving magnetron

 

 

 

 

 

 

 

 

 

 

 

Pulse Length/PRF

Normal

 

Expanded

 

 

 

 

 

 

 

 

 

Range

Pulse Length

PRF

Bandwidth

Pulse Length

PRF(

Bandwidth

 

(nm)

(S)

(Hz)

(MHz)

(S)

Hz)

(MHz)

0.125

0.065

3000

12

0.09

3000

12

 

0.25

0.065

3000

12

0.09

3000

12

 

0.50

0.09

3000

12

0.15

3000

12

 

0.75

0.15

3000

12

0.25

3000

12

 

1.50

0.35

2000

3

0.45

1600

3

 

3.00

0.45

1600

3

0.60

1200

0.7

 

6.0 - 72

1.20

740

0.5

-

-

-

 

 

 

 

 

Standby Mode

Magnetron heater and control left on, all other services off

 

 

 

 

 

 

 

 

Duplexer

 

Circulator with integral limiter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72" Antenna

 

 

 

 

 

 

 

 

 

 

 

 

 

Antenna Type

Slotted waveguide array

 

 

 

 

 

 

 

 

 

 

 

 

Beam Width (nominal)

1.15°

 

 

 

 

 

 

 

 

 

 

 

 

 

Polarization

Horizontal

 

 

 

 

 

 

 

 

 

 

 

 

Antenna Side lobes

Less than -25 dB

 

 

 

 

 

 

 

 

 

 

 

 

Rotation Rate

24 rpm (nominal)

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 62
Image 62
Raymarine Radar Scanner manual 11S Transmitter 10 kW, Antenna