EA ALUMINUM 1-1/8" x 72" 1
TUBING (2.9 x 182.9cm)
EB ALUMINUM 1-1/18" x 36" 2
TUBING (2.9 x 91.4cm)
EC ALUMINUM 7/8" x 36"" 1
TUBING (2.2 x 91.4cm)
ED ALUMINUM 1" x 65" 2
TUBING (2.5 x 165.1cm)
EE ALUMINUM 1" x 46-1/2" 2
TUBING (2.5 x 188.1cm)
EF ALUMINUM 1" x 5-1/4" 4
TUBING (2.5 x 13.3cm)
EG ALUMINUM 1/2" x 35-7/8" 4
TUBING (1.3 x 91.1cm)
EH ALUMINUM 3/4" x 48" 2
TUBING (1.9 x 121.9cm)
EJ ALUMINUM 5/8" x 48" 2
TUBING (1.6 x 121.9 cm)
EK ALUMINUM 1-1/8" x 24" 1
TUBING (2.9 x 121.9 cm)
EL ALUMINUM 1-1/4" x 50" 2
TUBING (3.2 x 127 cm)
EM ALUMINUM 1-1/8" 72" 2
TUBING (2.9 x 189.9 cm)
EN ALUMINUM 1" x 24" 2
TUBING (2.5 x 61.0 cm)
EP ALUMINUM 1/2" x 48" 2
TUBING (1.3 x 121.9 cm)
TB DIRECTOR 15 METER 2
TRAP
TC DRIV & REFL 15 METER 4
TRAP
TD DRIV. 10 METER 2
TRAP
TE DIRECTOR 10 METER 2
TRAP
11 010011 HEX #8-32 2
NUT
27 050027 BLK PLASTIC 5/8" 2
CAP (1.6 cm)
41 011941 SPLIT LOCK #8 2
WASHER
53 050053 BLK PLASTIC 1/2" 6
CAP (1.3 cm)
95 122095 FIBERGLASS 10" 1
INSULATOR (2.54 cm)
123 010123 SS MACHINE 8-32 x 1-1/2" 2
SCREW (3.81)
409 030409 SS WORM 11/16" 8
CLAMP (1.7 cm)
410 030410 SS WORM 1" 16
CLAMP (2.5 cm)
411 030411 SS WORM 1-3/8" 8
CLAMP (3.5 cm)
412 030412 SS WORM 1-1/2" 4
CLAMP (3.8 cm)
Assembly of elements is straight forward as shown in
Figure B. Arrows on the traps point to the center of the
element. Element #3 has a fiberglass insulator at its
center which is joined to tubes EB with a worm clamp
(411) and pinning screws (123) as shown in Figure C.
Set dimensions to the desired band using Chart 1 and
Chart 2. Tighten all clamps.
4
#2 Element Assembly
KEY P/N DISPLAY DESC SIZE QTY
TD
TB
TC
TE
D4
EG
410
EE
EA
411
410
TE
TB
409
53
A4
410
C4
EF
B4
EG
410
EE
411
410
TE
TB
409
53
A4
410
C4
EF
B4
D1
TC
C1
EP
409
53
EL
EK
412
B1
411 410
412
EM
EN
TC
C1
EP
409
53
EL
412
B1
411410
412
EM
EN
EC
27
410
409
EH
EJ
27
410
409
EH
EJ
D3
TD
TC
EB
411
ED
410
EF
EG
411
410
410
409
53
95
A3
C3
411
B3
TD
TC
EB
ED
410
EF
EG
411
410
410
409
53
A3
C3
B3
D2
A2
A2
FIGURE B
#2
#3
#4
A4S
Chart 2
BAND 20M 15M 10M
Phone 14.25 21.325 28.60
Center 14.170 21.275 28.40
CW 14.10 21.15 28.15
Center Frequency
(MHz)
FIGURE C
Center
Line
Chart 1
#1 Reflector
B1 C1 D1 A2 D2 A3 B3 C3 D3 A4 B4 C4 D4
125-1/2" 46-1/2" 30' 8-1/4" 106-1/2" 17' 9" 78" 5-3/4" 38-1/4" 24' 2-1/2" 72-1/2" 7" 34-3/4" 22' 10-3/4"
3.188 m 1.181 m 9.354 m 2.705 m 5.41 m 1.981 m 14.6 cm 97.2 cm 7.379 m 1.842 m 17.8 cm 88.3 cm 6.979 m
128" 46-1/2" 31' 1-1/4" 107 1/2" 17' 11" 79" 5-3/4" 38-1/4" 24' 5-1/2" 74-1/2" 7" 34-3/4" 23' 3"
3.251 m 1.181 m 9.481 m 2.73 m 5.46 m 2.007 m 14.6 cm 97.2 cm 7.455 m 1.892 m 17.8 cm 88.3 cm 7.087 m
129-1/2" 46-1/2" 31' 4-1/2" 108-1/2" 18' 1" 82-1/2" 6-3/4" 38-1/4" 25' 1-1/2" 76-1/2" 7-1/2" 34-3/4" 23' 8"
3.289 m 1.181 m 9.563 m 2.756 m 5.51 m 2.09 m 17.1 cm 97.2 cm 7.658 m 1.943 m 19.0 cm 88.3 cm 7.214 m
#3 Driven Element
#4 Director
#2 Reflector
CW
Center
Phone
#1
A4S
3
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