Sirio Antenne Starduster M-400 Quick Start Manual

STARDUSTER M-400

STARDUSTER M-400

27...30 MHz CB & 10m Base Station Antenna

DESCRIPTION

DESCRIPTION

Base station antenna working on CB & 10m band . It is made of anti-corodal aluminium tubes and supplied
with a strong die cast base and a plastic arms bracket to reinforce the radials. Thanks the enclosed diagram its
easy to tune at the desired working frequency.

SPECIFICATIONS

SPECIFICATIONS

TECHNICAL DATA

Electrical Data

Type : 1/4 l Ground Plane
Frequency range : 26.5...30 MHz tunable by diagram

Impedance : 50 W
Radiation (H-plane) : 360° omnidirectional
Polarization : Vertical

Bandwidth @ SWR £2: ³ 2000 KHz @ 26.5 MHz
SWR @ res. freq. : £ 1.5

Max Power : 1000 Watts
Connector : UHF-female

Mechanical Data

Materials : Aluminium, Chromed Brass, Nylon
Wind resistance : 130 Km/h
Length (approx.) : 5040 mm
Weigth (approx.) : 1230 gr
Radial lenght (approx.) : 2690 mm

Mounting Mast : Æ 35-40 mm

Strong die-cast base, b

UHF-female connector

ottom view

HI-QUALITY ANTENNAS MADE IN ITALY

ID387

MOUNTING INSTRUCTIONSMOUNTING INSTRUCTIONS

Pos Q.ty Description

1 1 Æ 8mm plastic cap
2 1 Æ 6x8x1400mm alu. tube

3 1 Central whip joint

4 1 M6x8 hexagonal socket set screw cone point

5 1 3mm hexagonal key

6 3 M5 hexagonal nuts
7 3 Æ 5x150mm short radials
8 1 Æ 8.5x11x1400mm alu. tube with joint

9 1 STARDUSTER M-400 base with connector

10 2 M6x12 hexagonal socket set screws cup point
11 3 Æ 6x8x1400mm alu. tubes with joint

12 2 M8x14 hexagonal socket set screws cup point

13 1 Plastic fixing ring
14 3 Æ 4.8x19 hexagon socket tapping screws

15 1 4mm hexagonal key

16 3 Plastic arms

17 1 2mm hexagonal key

18 3 M4x6 hexagonal socket set screws cone point

19 3 Radials fixing rings
20 3 Æ 5x1400mm alu. bars
21 3 Æ 5mm plastic caps

Part List

Mast: not supplied

TUNING INSTRUCTIONSTUNING INSTRUCTIONS

TYPICAL TUNING DIAGRAM vs FREQUENCY

L (mm)

2687

2660

2634

2607

2580

2554

2527

2501

2474

2448

2421

26.5

26.85

27.2

27.55 28.25

27.9

NOTE:

! Use the curves just as a guide. For fine-tuning please use an SWR-Meter.

File: G-01-028

28.6 29.3

28.95

L

29.65

MHz

30

HI-QUALITY ANTENNAS MADE IN ITALY

B Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 15/02/2007 - Cod. ID387