Sirio Antenne Starduster M-400 User manual

HI-QUALITY ANTENNAS MADE IN ITALY
ID387
DESCRIPTION
SPECIFICATIONS
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.
TECHNICAL DATA
Electrical Data
Type : 1/4 lGround Plane
Frequency range : 26.5...30 MHz tunable by diagram
Impedance : 50 W
Radiation (H-plane) : 360°omnidirectional
Polarization : Vertical
Bandwidth @ SWR £2:³2000 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 : Æ35-40 mm
DESCRIPTION
SPECIFICATIONS
STARDUSTER M-400
27...30 MHz CB & 10m Base Station Antenna
STARDUSTER M-400
Strong die-cast base, b
UHF-female connector
ottom view

Part List
Pos Q.ty Description
1 1 Æ 8mm plastic cap
2 1 Æ6x8x1400mm 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 Æ8.5x11x1400mm alu. tube with joint
9 1 STARDUSTER M-400 base with connector
10 2 M6x12 hexagonal socket set screws cup point
11 3 Æ6x8x1400mm alu. tubes with joint
12 2 M8x14 hexagonal socket set screws cup point
13 1 Plastic fixing ring
14 3 Æ4.8x19 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 Æ5x1400mm alu. bars
21 3 Æ 5mm plastic caps
MOUNTING INSTRUCTIONSMOUNTING INSTRUCTIONS
HI-QUALITY ANTENNAS MADE IN ITALY
BCopyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 15/02/2007 - Cod. ID387
TUNING INSTRUCTIONSTUNING INSTRUCTIONS
TYPICAL TUNING DIAGRAM vs FREQUENCY
L (mm) File: G-01-028
26.5
26.85
27.2
27.55 28.25
27.9
28.95
28.6 29.3
29.65
30
2421
2448
2474
2501
2527
2554
2580
2607
2634
2660
2687
MHz
L
NOTE:
!Use the curves just as a guide. For fine-tuning please use an SWR-Meter.
Mast: not supplied