Model GPA 27-45 GPA 27-45 Installation Manual

Model GPA 27-45 GPA 27-45 Installation Manual

TYPICAL TUNING DIAGRAMS

Model

GPA 27-45

NOTE:

It is recommended to use the curves as a guide and fine-tune using an SWR-Meter.

B

Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 31/07/1997 - Cod. ID174

DESCRIPTION

1/4 λ Ground Plane antenna for base station service working on 27-45 MHz by means of the tuning diagram enclosed. It is entirely made of non-corrosive aluminium and assembled on a strong die-cast base which allows an easy and safe installation assuring very good performances.

SPECIFICATIONS

Electrical Data

Type

Frequency Range

Impedance

Radiation

Polarization

Gain

Bandwidth at V.S.W.R. 2:1 :

V.S.W.R. at f. res.

:

:

:

:

:

:

Max Power

Feed System / Position

Connection :

:

:

:

Mechanical Data

Materials

Wind Load / Resistance

Wind Surface

Height (approx.)

Weight (approx.)

Radial Length (approx)

Mounting Mast

:

:

:

:

:

:

:

1/4 λ Ground Plane

27-45 MHz tunable by diagram

50 Ω Unbalanced

Omnidirectional

Vertical

0 dBd - 2.14 dBi

2.5 MHz at 27 MHz

≤ 1.2 : 1

1000 Watts

Direct / Center

UHF Female

Aluminium, Chromed Brass, Nylon, Stainless Steel

126 N at 150 Km/h / 130 Km/h

2 0.11 m

4730 mm

1250 gr

2680 mm

∅ 35-40 mm

TYPICAL S.W.R. RESPONSE

S.W.R.

2.2

2.0

1.8

1.6

3.0

2.8

2.6

2.4

1.4

1.2

1.0

25.4

27 28.6

f. (MHz)

ID174

MOUNTING INSTRUCTIONS

TYPICAL TUNING DIAGRAMS

NOTE:

It is recommended to use the curves as a guide and fine-tune using an SWR-Meter.

B

Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 02/07/1998 - Cod. ID175

DESCRIPTION

1/4 λ Ground Plane antenna for base station service working on 40-70 MHz by means of the tuning diagram enclosed. It is entirely made of non-corrosive aluminium and assembled on a strong die-cast base which allows an easy and safe installation assuring very good performances.

SPECIFICATIONS

Electrical Data

Type

Frequency Range

Impedance

Radiation (H-plane)

Radiation (E-plane)

Radiation angle deg.

Polarization

Gain

Bandwidth at V.S.W.R. 2:1 :

V.S.W.R. at res. freq.

Max Power

Feed System / Position

Connection :

:

:

:

:

:

:

:

:

:

:

:

Mechanical Data

Materials

Wind Load / Resistance

Wind Surface

Height (approx.)

Weight (approx.)

Radial Length (approx)

Mounting Mast

:

:

:

:

:

:

:

1/4 λ Ground Plane

40-70 MHz tunable by diagram

50 Ω Unbalanced

360 o

Omnidirectional

Beamwidth at -3 dB = 86 o

0 o

Vertical

0 dBd - 2.15 dBi

3.5 MHz at 40 MHz

≤ 1.2 : 1

1000 Watts

Direct / Center

UHF Female

Aluminium, Chromed Brass, Nylon, Stainless Steel

85 N at 150 Km/h / 150 Km/h

2

0.07 m

3200 mm

935 gr

1800 mm

∅ 35-40 mm

MOUNTING INSTRUCTIONS

ID175

TYPICAL TUNING DIAGRAMS

Model

GPA 66-108

NOTE:

It is recommended to use the curves as a guide and fine-tune using an SWR-Meter.

B

Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 02/07/1998 - Cod. ID176

DESCRIPTION

1/4 λ Ground Plane antenna for base station service working on 66-108 MHz by means of the tuning diagram enclosed. It is entirely made of non-corrosive aluminium and assembled on a strong die-cast base which allows an easy and safe installation assuring very good performances.

SPECIFICATIONS

Electrical Data

Type

Frequency Range

Impedance

Radiation (H-plane)

Radiation (E-plane)

Radiation angle deg.

Polarization

Gain

Bandwidth at V.S.W.R. 2:1 :

V.S.W.R. at res. freq.

Max Power

Feed System / Position

Connection :

:

:

:

:

:

:

:

:

:

:

:

Mechanical Data

Materials

Wind Load / Resistance

Wind Surface

Height (approx.)

Weight (approx.)

Radial Length (approx)

Mounting Mast

:

:

:

:

:

:

:

1/4 λ Ground Plane

66-108 MHz tunable by diagram

50 Ω Unbalanced

360 o

Omnidirectional

Beamwidth at -3 dB = 86 o

0 o

Vertical

0 dBd - 2.14 dBi

6.5 MHz at 66 MHz

≤ 1.2 : 1

500 Watts

Direct / Center

UHF Female

Aluminium, Chromed Brass, Nylon, Stainless Steel

54 N at 150 Km/h / 150 Km/h

2

0.05 m

1930 mm

700 gr

1080 mm

∅ 35-40 mm

MOUNTING INSTRUCTIONS

ID176

TYPICAL TUNING DIAGRAMS

Model

GPA 108-136

NOTE:

It is recommended to use the curves as a guide and fine-tune using an SWR-Meter.

B

Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 02/07/1998 - Cod. ID177

DESCRIPTION

1/4 λ Ground Plane antenna for base station service working on 108-136 MHz by means of the tuning diagram enclosed. It is entirely made of non-corrosive aluminium and assembled on a strong die-cast base which allows an easy and safe installation assuring very good performances.

SPECIFICATIONS

Electrical Data

Type

Frequency Range

Impedance

Radiation (H-plane)

Radiation (E-plane)

Radiation angle deg.

Polarization

Gain

Bandwidth at V.S.W.R. 2:1 :

V.S.W.R. at res. freq.

Max Power

Feed System / Position

Connection :

:

:

:

:

:

:

:

:

:

:

:

Mechanical Data

Materials

Wind Load / Resistance

Wind Surface

Height (approx.)

Weight (approx.)

Radial Length (approx)

Mounting Mast

:

:

:

:

:

:

:

1/4 λ Ground Plane

108-136 MHz tunable by diagram

50 Ω Unbalanced

360 o

Omnidirectional

Beamwidth at -3 dB = 86 o

0 o

Vertical

0 dBd - 2.15 dBi

12 MHz at 108 MHz

≤ 1.2 : 1

500 Watts

Direct / Center

UHF Female

Aluminium, Chromed Brass, Nylon, Stainless Steel

35 N at 150 Km/h / 150 Km/h

2

0.03 m

1185 mm

565 gr

650 mm

∅ 35-40 mm

MOUNTING INSTRUCTIONS

ID177

TYPICAL TUNING DIAGRAMS

Model

GPA 135-175

NOTE:

It is recommended to use the curves as a guide and fine-tune using an SWR-Meter.

B

Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 02/07/1998 - Cod. ID178

DESCRIPTION

1/4 λ Ground Plane antenna for base station service working on 135-175 MHz by means of the tuning diagram enclosed. It is entirely made of non-corrosive aluminium and assembled on a strong die-cast base which allows an easy and safe installation assuring very good performances.

SPECIFICATIONS

Electrical Data

Type

Frequency Range

Impedance

Radiation (H-plane)

Radiation (E-plane)

Radiation angle deg.

Polarization

Gain

Bandwidth at V.S.W.R. 2:1 :

V.S.W.R. at res. freq.

Max Power

Feed System / Position

Connection :

:

:

:

:

:

:

:

:

:

:

:

Mechanical Data

Materials

Wind Load / Resistance

Wind Surface

Height (approx.)

Weight (approx.)

Radial Length (approx)

Mounting Mast

:

:

:

:

:

:

:

1/4 λ Ground Plane

135-175 MHz tunable by diagram

50 Ω Unbalanced

360 o

Omnidirectional

Beamwidth at -3 dB = 86 o

0 o

Vertical

0 dBd - 2.15 dBi

13 MHz at 135 MHz

≤ 1.2 : 1

300 Watts

Direct / Center

UHF Female

Aluminium, Chromed Brass, Nylon, Stainless Steel

29 N at 150 Km/h / 180 Km/h

2

0.03 m

960 mm

520 gr

520 mm

∅ 35-40 mm

MOUNTING INSTRUCTIONS

ID178

TYPICAL TUNING DIAGRAMS

Model

GPA 170-230

NOTE:

It is recommended to use the curves as a guide and fine-tune using an SWR-Meter.

B

Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 02/07/1998 - Cod. ID179

DESCRIPTION

1/4 λ Ground Plane antenna for base station service working on 170-230 MHz by means of the tuning diagram enclosed. It is entirely made of non-corrosive aluminium and assembled on a strong die-cast base which allows an easy and safe installation assuring very good performances.

SPECIFICATIONS

Electrical Data

Type

Frequency Range

Impedance

Radiation (H-plane)

Radiation (E-plane)

Radiation angle deg.

Polarization

Gain

Bandwidth at V.S.W.R. 2:1 :

V.S.W.R. at res. freq.

Max Power

Feed System / Position

Connection :

:

:

:

:

:

:

:

:

:

:

:

Mechanical Data

Materials

Wind Load / Resistance

Wind Surface

Height (approx.)

Weight (approx.)

Radial Length (approx)

Mounting Mast

:

:

:

:

:

:

:

1/4 λ Ground Plane

170-230 MHz tunable by diagram

50 Ω Unbalanced

360 o

Omnidirectional

Beamwidth at -3 dB = 86 o

0 o

Vertical

0 dBd - 2.15 dBi

19 MHz at 170 MHz

≤ 1.2 : 1

300 Watts

Direct / Center

UHF Female

Aluminium, Chromed Brass, Nylon, Stainless Steel

24 N at 150 Km/h / 180 Km/h

2

0.02 m

760 mm

480 gr

410 mm

∅ 35-40 mm

MOUNTING INSTRUCTIONS

ID179

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