MOUNTING INSTRUCTIONSMOUNTING INSTRUCTIONS
M6x12 hexagon
head screw
M6 spring
lock washer
M6 washer
Ø11x13x1300
alu. tube
(cone top side)
M5x16 hexagon
head screw
M6 washer
M6 spring
lock
washer
M6 hexagonal
nut
Aluminium ring
section
M5 washer
M5 hexagonal nut
Mounting mast
(not supplied)
88
1010
1212
Æ3.9x12.7
phillips
tapping
screw
2mm hexagonal key
Top section whip
Insert limit punching
Hose clamp
Bottom section whip
mm
5
0
3
1
Ø8x10x1400
alu. tube
(cone bottom side)
77
99
1111
M4x4 hexagon
socket set screw
cup point
Ø6x8x700
alu. tube
PVC cap for Æ8 alu tube
HI-QUALITY ANTENNAS MADE IN ITALY
B Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 23/03/2009 - Cod. ID397, pag. 4/4
SIRIO TOP-ONE
SIRIO TOP-ONE
CB & 10m band Base Station Antenna
DESCRIPTION
DESCRIPTION
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.
SPECIFICATIONS
SPECIFICATIONS
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
TYPICAL S.W.R. RESPONSE
S.W.R.
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
25.4
S
SIRIO
Model: SIRIO TOP-ONE
26.5 - 28.5 MHz band
antenne
HI-QUALITY ANTENNAS MADE IN ITALY
27.4
File: F-01-029
f.(MHz)
29.4
ID397, pag.1/4
MOUNTING INSTRUCTIONSMOUNTING INSTRUCTIONS
Mounting needed tools:
n. 1 tape rules (meter)
n. 1 screwdriver cross point
n. 1 10mm open key
n. 2 8mm open key
Description
Q.ty
Top section whip with connector
1
M5x16 hexagon head screws
6
M5 washer
6
M5 hexagonal nuts
6
gamma match assembly
1
M6 washer
11
M6 spring lock washer
11
M6 hexagonal nuts
7
Bottom section whip with reinforced side
1
Æ 36-39mm hose clamp
1
Nylon ring
1
Nylon arms
4
Æ 3.9x12.7 tapping screws
8
M6x10 hexagon socket set screw cup point
1
3mm hexagonal key
1
Æ 11x13x1300mm alu. tube (cone top side)
4
M6x12 hexagon head screws
4
Æ 8x10x1400mm alu. tube (cone bottom side)
4
aluminium ring section
4
M4x4 hexagon socket set screw cup point
4
2mm hexagonal key
1
Æ 6x8x700mm alu. tube
4
4
PVC cap for Æ8 alu tube
3
30x65mm steel “V” bracket
3
30x65mm steel “flat” bracket
M6x240mm U-bolt
3
Parts List
M5 washer
M5 hexagonal
nut
Top section
whip with
connector
M5 washer
M5 hexagonal
nut
Æ3.9x12.7 phillips
tapping screw
M5x16 hexagon
head screw
The aluminium
bracket must be
leant to the ring
to align
M5x16 hexagon
head screw
m
m
80
5
11
22
Gamma match
assembly
M6 hexagonal nut
M6 spring lock washer
M6 washer
33
44
Nylon ring
Bottom section
whip with
reinforced side
55
M6x10 hexagon socket
set screw cup point
66
3mm hexagonal key
REMARK: use a good coax cable like RG-8 or RG-213 as short as possible
to get the best performance and we recommend to mount your antenna as
far as possible from metall roofs, walls, power lines and other antennas.
HI-QUALITY ANTENNAS MADE IN ITALY
ID397, pag.2/4
Nylon arm
HI-QUALITY ANTENNAS MADE IN ITALY
Nylon ring placed
in contact to the
edge of external tube
ID397, pag.3/4
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