Table 1

Sperry Marine Present-Day Systems
Antenna Characteristics versus Scan Rate

 

 

RF
(MHz)

Peak
Power
(kW)

4' Open Array
> 1.8°/22° H/V

6' Open Array
>1.2°/22° H/V

7' Open Array

1.0°/25° H/V

8' Open Array
> 0.8°/22° H/V

9' Open Array

0.8°/25° H/V

9' Open Array
>2.4°/22° H/V

12' OpenArray
>1.8°/25° H/V

Mk 6217
River Radar

9410

6

 

 

31+46rpm

 

 

 

 

Mk 6219
River Radar

9410

 

6

 

 

 

 

31+46rpm

 

 

Bridgemaster
X-band

9410

 

10/25

24+48rpm

24+48rpm

 

24+48rpm

 

 

 

Bridgemaster
S-band

3050

 

 

 

 

 

 

24+48rpm

24 rpm

 

Table 2
 Sperry Marine Present-Day Systems
Pulse Duration versus Listed Pulse Rate

Radar System PD (μS)
versus
Listed Pulse Rate (Hz)

4000

3000

2000

1800

1000

785

Mk2 6217/Mk6219

0.05

0.1

0.25

 

0.25

 

Bridgemaster X-band

 

0.05

 

0.05, 0.25

 

0.75

Bridgemaster S-band

 

0.05

 

0.05, 0.25

0.25

0.75

Kongsberg DataBridge10[1]

 

 

 

0.05, 0.25

 

0.75

 


[1] The documented PRFs for this system are 1760 and 785 Hz. Official type-approval certification, contrarily, shows PRFs of 3000, 1500, 750 and 375 Hz.