Sirio Antenne TOP-ONE User Manual

DESCRIPTION
SPECIFICATIONS
Ground plane base station antenna working on CB and
10m band. Made of anti-corodal aluminium tubes. Its
robust structure ensure wide band and allows perfect
performances and very good connections at long
distances too.
Electrical Data
Type : 1/4 l Ground plane
Frequency range : 26.5-28.5 MHz
Impedance : 50 W
Radiation (H-plane) : 360° omnidirectional
Polarization : Vertical
Gain : 0 dBd, 2.15 dBi
Bandwidth @ SWR £1.5 : ³ 2000 KHz (180 channel)
SWR @ res. freq. : £ 1.1
Max Power : 1000 Watts continuous
3000 Watts short time
Feed system : Gamma match
Connector : UHF-female
Mechanical Data
Materials : Aluminium, Steel, Brass, Nylon
Wind resistance : 130 Km/h
Length (approx.) : 3640 mm
Weigth (approx.) : 3900 gr
Mounting Mast : Æ 35-42 mm
DESCRIPTION
SPECIFICATIONS
SIRIO TOP-ONE
CB & 10m band Base Station Antenna
SIRIO TOP-ONE
antenne
SIRIO
S
HI-QUALITY ANTENNAS MADE IN ITALY
ID397, pag.1/4
MOUNTING INSTRUCTIONSMOUNTING INSTRUCTIONS
77
88
1212
1111
1
3
0
5
mm
99
1010
Insert limit punching
Top section whip
Bottom section whip
Ø11x13x1300
alu. tube
(cone top side)
Mounting mast
(not supplied)
M6x12 hexagon
head screw
M6 washer
M6 spring
lock washer
Æ3.9x12.7
phillips
tapping
screw
M5x16 hexagon
head screw
M5 hexagonal nut
M5 washer
M4x4 hexagon
socket set screw
cup point
2mm hexagonal key
M6 hexagonal
nut
M6 washer
M6 spring
lock
washer
Aluminium ring
section
PVC cap for Æ8 alu tube
B Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 23/03/2009 - Cod. ID397, pag. 4/4
HI-QUALITY ANTENNAS MADE IN ITALY
TYPICAL S.W.R. RESPONSE
Model: SIRIO TOP-ONE
S.W.R.
1.0
1.2
1.8
1.4
2.2
1.6
2.0
2.4
2.6
2.8
3.0
25.4
27.4
29.4
f.(MHz)
File: F-01-029
26.5 - 28.5 MHz band
Hose clamp
Ø8x10x1400
alu. tube
(cone bottom side)
Ø6x8x700
alu. tube

Sirio Antenne TOP-ONE Specifications

General

Impedance	50 Ω
Radiation (H-plane)	360° omnidirectional
Polarization	Vertical
SWR @ res. freq.	≤ 1.2:1
Mounting type	Mast mount
Materials	brass, nylon
VSWR	≤ 1.2:1
Connector	UHF-male (PL 259)

Summary

Product Description and Specifications

Product Description

Overview of the base station antenna and its capabilities for CB and 10m bands.

Electrical Specifications

Technical data including frequency range, impedance, radiation pattern, and maximum power.

Mechanical Specifications

Physical data covering materials, wind resistance, length, weight, and mast mounting size.

Typical SWR Response

Graph illustrating the Standing Wave Ratio (SWR) across the specified frequency band.

Antenna Mounting Instructions

Top Section Whip Assembly

Step-by-step guide for assembling the top section whip with its connector.

Aluminium Ring Section Assembly

Instructions for assembling the aluminium ring section for mast attachment.

Mast Mounting and Securing

Details on attaching the antenna to the mounting mast and securing it.

Bottom Section Whip Assembly

Instructions for connecting the bottom section whip to the antenna base.

Antenna Assembly Details

Gamma Match and Top Whip Assembly

Assembly of the gamma match and connection of the top section whip.

Base Section and Arm Attachment

Instructions for attaching the base section and nylon arms to the main tube.

Final Mast Securing

Securing the antenna to the mast using set screws and hex keys.