Diamond Antenna CP8040 Instructions d'utilisation
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80m and 40m Dual-band Vertical Antenna
CP8040
Operation Instructions
Description
The CP8040 is a dual-band
vertical antenna for HF low band.
Compact, light weighted and very
easy to assemble.
It is completely self-supported and
does not need any guy wires.
Trap radials could be concentrated
on
one
direction
instead
spreading
them
around
antenna.
This
is
convenient if the antenna is
installed on balcony railing or
window side of condominiums and
urban apartments.
Since the antenna is direct DC
ground at the feed point, coaxial
cable and transceiver are being
protected from the high voltage
caused by lighting.
Center frequencies of the antenna
are adjustable in each band
simply by change radial length
and capacity hat (80m only).
Top loading structure utilizing
capacitive
hat
enables
antenna to complete with full
quarter wave length antennas in
its performance.
It is rigid and rugged enough to
withstand the wind pressure over
35m/sec.
Mast brackets area adjustable to
accept 1 1/5" to 2 1/3" diameter
mast.
Since feeding point is covered by
the support pipe, it is excellent in
the waterproof property.
CP8040 can be used 3.5-3.8MHz /
7-7.2MHz.
Parts Description
Parts #
Description
M45001 Pipe No. 1
7.4
M45002 Pipe No. 2
10
M45003 Pipe No. 3
30
M45004 Pipe No. 4
30
M45005 Pipe No. 5 30
M45006 S trap
M45007 Loading coil for 7MHz
M45008 Hat
M45009 Hat S
M45010 Hat SS
M45011 Hat ring
M45012 Feeding point assembly 1
M45013 Radial ring
M45014 Support pipe
M45015 Radial coil for 3.5MHz
M45016 Radial coil for 7MHz
M45017 Radial element
M45018 Tension ring
M45019 Mast bracket
M45020 V-volt set
M45021 Tapping screw M4x8 12
M45022 Inner tooth washer M4 12
M45023 Hex head screw M6x8
M45024 Spring washer M6
M45025 Radial nut
Parts Description
of
the
especially
the
Tension ring
M45018
Qty
1
1
1
1
1
1
1
2
4
4
1
1
1
1
1
2
2
2
2
3
3
2
Pipe No. 2
M45002
Hat
M45008
Hat ring
Hat SS
M45011
M45010
Screw with radial
element fastener ring
Nut with radial
element fastener ring
Feeding point assembly
M45012
Radial element
Radial ring
M45017
M45013
Radial coil for 7MHz
M45016
Support pipe
M45014
Mast bracket
M45019
Pipe No. 1
7.4
M45001
Tapping screw M4x8
M45021
Inner tooth washer M4
M45022
10
Tapping screw M4x8
M45021
Inner tooth washer M4
M45022
Hat S
M45009
S trap
M45006
Tapping screw M4x8
M45021
Inner tooth washer M4
M45022
Loading Coil for 7MHz
M45007
Tapping screw M4x8
M45021
Inner tooth washer M4
M45022
Pipe No. 3
30
M45003
Tapping screw M4x8
M45021
Inner tooth washer M4
M45022
Pipe No. 4
30
M45004
Tapping screw M4x8
M45021
Inner tooth washer M4
M45022
Pipe No. 5
30
M45005
Hex head screw M6x8
M45023
Spring washer M6
M45024
Screw with radial element holder
Radial nut
Radial coil for 3.5MHz
M45015
M45025
Hex head screw M6x8
M45023
Spring washer M6
M45024
V-volt set
M45020
Fig