MA 2-1 SC-SHT

Marine VHF Antenna with reduced height

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MA 2-1 SC-SHT
Electrical
Model MA 2-1 SC-SHT
Frequency 156 – 162 MHz
Antenna Type Reduced ½ λ dipole, end-fed
Max. Input Power 50 W
3 dB Beamwidth, H-Plane Omnidirectional
Polarisation Vertical
Impedance 50 Ω
Gain -3 dBd (-0.9 dBi)
VSWR < 2.0:1
Bandwidth 6 MHz ≤ VSWR 2
Environmental
Operating temperature range -30 °C to +70 °C
Mechanical
Wind Area 0.0094 sq. m / 0.10 sq. ft
Connection(s) UHF(f)
Materials Whip : Glass fibre whip with copper wire winding, polyethylene-covered. Bright-chrome brass.
Housing: Chrome brass
Colour White / Metallic Silver
Historic Brand Amphenol Procom
Height Approx. 550 mm / 21.65 in.
Wind Load 10.4 N (160 km/h)
Weight Approx. 0.4 kg / 0.88 lb.
Mounting With screws, rivets or binder
  • The efficiency is very high despite the small dimensions and the antenna is fully capable of handling up to 50 W of output power.
  • The tapered, reduced, incapsulated ½ λ copper wire radiator together with the chrome brass housing and stainless steel corner bracket constitute an antenna tough and ready to cope with the corrosive environment at the masthead or other places.
  • The end-fed dipole principle makes the antenna independent of ground-plane, radials or other auxiliary arrangements.
  • The antenna whip should not be mounted parallel or near to other metal parts, such as windex, supporting wires etc. Free mounting and as high as possible is preferable, otherwise the VSWR and the radiation diagram will be influenced.

“YA” MOUNTING BRACKET DIMENSIONS

TYPICAL GAIN AND SWR CURVE

TYPICAL RADIATION PATTERN (E-PLANE)

TYPICAL RADIATION PATTERN (H-PLANE)

Model Product No. Add To Quote
Marine VHF Antenna with reduced height 110000236

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