Item Measurement
Description
Â
25 mm (1 in.)
Center of rotation to the inner rear mounting holes.
Ã
125 mm (4
15
/
16
in.) Center of rotation to the inner front mounting holes.
Ä
50 mm (1
15
/
16
in.)
Center of rotation to the outer rear mounting holes.
Å
150 mm (5
29
/
32
in.) Center of rotation to the outer front mounting holes.
Æ
140 mm (5
1
/
2
in.)
Ç
200 mm (7
7
/
8
in.)
Item Measurement
Description
À
4 ft. models: 132.7 cm (4 ft. 4
1
/
4
in.)
6 ft. models: 193.7 cm (6 ft. 4
1
/
4
in.)
Antenna length.
Á
45.1 cm (17
3
/
4
in.)
Base of the pedestal to the top of the antenna.
Â
31.8 cm (12
1
/
2
in.)
Width of the pedestal.
Physical Specifications
Specification
Measurement
Pedestal weight
21.4 kg (47.1 lb)
Antenna weight
4 ft. antenna: 5.5 kg (12.2 lb.)
6 ft. antenna: 7.7 kg (16.9 lb.)
Power cable length
15 m (49 ft. 3 in.)
Network cable length
15 m (49 ft. 3 in.)
Antenna rotation speed 24 rpm and 48 rpm
Max wind load
80 kn
Temperature range
From -15 to 70ºC (5 to 158ºF)
Humidity
95% at 35°C (95°F)
Water resistance
IEC 60529 IPX6 (protected against heavy
seas)
Bearing accuracy
0.25º
Electrical Specifications
Specification Measurement
Minimum safe
operating
distance*
GMR 424 xHD2
• 100 W/m²: 1.22 m (48 in.)
• 10 W/m²: 3.90 m (154 in.)
GMR 426 xHD2
• 100 W/m²: 1.54 m (61 in.)
• 10 W/m²: 4.85 m (191 in.)
GMR 624 xHD2
• 100 W/m²: 1.50 m (59 in.)
• 10 W/m²: 4.70 m (185 in.)
GMR 626 xHD2
• 100 W/m²: 1.90 m (75 in.)
• 10 W/m²: 5.90 m (232 in.)
GMR 1224 xHD2
• 100 W/m²: 2.10 m (83 in.)
• 10 W/m²: 6.65 m (262 in.)
GMR 1226 xHD2
• 100 W/m²: 2.65 m (104 in.)
• 10 W/m²: 8.50 m (335 in.)
GMR 2524 xHD2
• 100 W/m²: 2.19 m (86 in.)
• 10 W/m²: 6.92 m (272 in.)
GMR 2526 xHD2
• 100 W/m²: 2.75 m (108 in.)
• 10 W/m²: 8.70 m (342 in.)
Compass-safe
distance
Standard compass: 90 cm (35
7
/
16
in.)
Standby steering and emergency compasses: 80 cm
(31
1
/
2
in.)
6
GMR 420/620/1220/2520 xHD2 Series Installation Instructions
