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GP 160

Ground Plane AntennasGP 160

¼ λ Glass fibre Ground-Plane Antenna for the 160 MHz Band

Description

  • GP 160 is a glass fibre ground-plane antenna of the triple-leg type.
  • The antenna is tunable (by cutting) within its main frequency band: 145 - 175 MHz, but is further applicable up to 400 MHz.
  • The cutting diagrams below indicate the length of the radiator and the radials corresponding to a specific frequency. It is recommended to use the curves as a guide and fine-tune using an VSWR-meter.
  • The antenna comprises a GP-head made of chromed brass, one glassfiber radiator and three glass fibre radials.
  • GP 160 is made of first-class materials and will endure “wear and tear” for years – no maintenance required.
  • LW-SS-1" mounting bracket and GP Adaptor is available as accessories.

Specifications

Electrical
Model GP 160
Frequency Tunable by cutting within: 145 - 175 MHz
(Also applicable: 175 - 400 MHz)
Antenna Type Ground-plane
Max. Input Power 1 kW
Polarisation Vertical
Pattern Type Omnidirectional
3 dB Beamwidth, H-Plane Omnidirectional
Impedance 50 Ω
Gain 0 dBd (2.2 dBi)
VSWR ≤ 1.2 @ f. res.
Bandwidth 12 MHz @ 160 MHz (VSWR < 2.0)
30 MHz @ 400 MHz (VSWR < 2.0)
Mechanical
Connection(s) UHF(f) (fitting PL 259)
Materials Shroud : Polyurethane-coated glass fibre
Metal parts: Bright chromed brass
Colour White (RAL 9003) / Bright chrome
Wind Area 0.0184 sq. m / 0.20 sq. ft
Wind Load 23 N (160 km/h)
Dia. At Top End 5 mm / 0.20 in.
Dia. At Bottom End 8 mm / 0.31 in.
Height Approx. 870 mm / 34.25 in.
Weight Approx. 1.0 kg / 2.20 lb.
Mounting 38 mm dia. mast tube (42 mm dia. as option, see note)
Environmental
Operating temperature range -30 °C to +70 °C

Ordering Designations

Model Product No.
GP 160 100000104
GP 160/42 mm 100000105
Accessories
LW-SS-1" 110000394
GP Adaptor 100000679

Cutting Diagrams

GP 160 Cutdia1

GP 160 Cutdia2

Please Note

The GP 160 can be delivered with a GP-head for mounting on 42 mm dia. mast tube (standard is 38 mm) when ordering as option GP 160/42 mm.
The radiator is measured from its free end to the bottom of the black insulator, while the radials are measured from their free ends to where they meet the GP-head.

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