Diamond Antenna W-735 User Manual

HF Multi-band Wire Dipole (Trap Dipole) Antennas
Diamond W-Series
W-8010 - 80m/40m/20m/15m/10m. Five Band Trap Dipole Antenna
W-735 - 80m/40m. Dual-Band Trap Dipole Antenna
Operation Instructions
Parts List
Each model contains the following parts. Please confirm all parts are accounted for before assembly.
W-8010 W-735
BU-50 BALUN with two screws, nuts, and washers 1 1
80m Trap 2 2
4
0m Trap
2 -
20m Trap 2 -
Wire Element A 3.75m (12.3ft) 2 -
W
ire Element B
4
.2m (13.8ft)
2 -
W
ire Element C
2
.8m (9.2ft)
2 -
Wire Element D 2.8m (9.2ft) 2 -
Wire Element E 1.4m (4.6ft) 2 -
W
ire Element F
1
0.95m (35.9ft)
- 2
W
ire Element G
2
.9m (9.5ft)
- 2
Wire Element H 3.75m (12.3ft) - -
Wire Element I 3.4m (11.2ft) - -
Adjustment Element 0.4m (1.3ft) 6 2
Insulator 4 2
Nylon Rope 10m (32.8ft) 2 1
Self-melting plastic sealing tape 0.3m (1.0ft) 1 1
Binding wire 0.6m (2.0ft) 2 1
Description
(1) The W-Series antennas are very easy to assemble. With 10 guage stranded plastic coated wire with low stretch ratio for elements.
(2) Adjustment elements are provided to adjust each band without affecting the rest of the bands.
(3) A completely molded wideband balun enables perfect weather proof performance.
Assembled antennas
Insulator
Wire
Element C
Wire
Element B
40m Trap
Wire element A
Balun
Nylon rope
80m adjustment
element
80m Trap
Wire element D
15m adjustment
element
20m Trap
10m adjustment element
Wire
Element E
20m adjustment
element
Insulator
eerWirWi
t Ae elemenir
W
or
t C
40m T
elemen
Elemen
or
t
ope
ap
t
nsula
I 20m adjustmen
Wi
r
0m T
elemen
t
80m adjustmen
ylon r
t BElemenElemen
t
nsula
I
ap
t A
un
t D
ap
t
t
t E
elemen
t20m adjustmen
Elemen
er
t elemen
10m adjustmen
ap
r
r
20m T
20m T
telemen
t
15m adjustmen
e elemenirW
e elemenir
W
r40m T
Nylon rope Wire element G Wire element F Balun
Insulator
80m adjusment
element
80m trap
40m adjustment
element
t G
or
t
ap
80m tr
elemen
80m adjusmen
tnsulaI
e elemenirW
ope
ylon r
N
Balun
telemen
t40m adjustmen
t Fe elemenirW
W-8010
W-735
Fig.1
Fig. 2
1

Diamond Antenna W-735 Specifications

General

Brand	Diamond Antenna
Model	W-735
Category	Antenna
Language	English

Summary

Operation Instructions

Parts List

Lists all components included with the W-8010 and W-735 antennas for verification.

Description

Explains the key features and benefits of the W-Series antennas.

Assembled Antennas

Illustrates the final assembly of the W-8010 and W-735 antennas.

Assembly

Wire Element and Trap Assembly

Details steps for attaching wire elements to the balun and installing traps.

Insulator and Coaxial Connection

Covers attaching insulators and connecting the coaxial cable for waterproofing.

Installation

Safety and Placement

Advises on locating antenna ends away from walls to avoid shock and interference.

Coaxial Cable and VSWR

Guides on securing coaxial cable to prevent VSWR issues.

Wind and Height Considerations

Recommends using elastic materials for wind resistance and discusses height effects.

Adjustment

VSWR Meter Setup and Testing

Details how to prepare and use a VSWR meter for antenna adjustment.

Element Cutting for Resonance

Explains cutting adjustment elements to achieve desired resonant frequencies.

Troubleshooting VSWR Issues

Provides advice for improving VSWR when it cannot be lowered by cutting elements.

Specifications and Band Addition

Calculating Element Cutting Length

Provides an example calculation for determining element length based on frequency difference.

Adding New Bands

Describes how to add a 15m band to the W-735 antenna.

Antenna Specifications

Summarizes key technical specifications for W-8010 and W-735 models.