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參數(shù)資料
| 型號： | A144-20T |
| 元件分類： | 天線 |
| 英文描述： | YAGI ANTENNA |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 213K |
| 代理商： | A144-20T |
A144-20T
231
28
26
BOOM
41
11
41
11
26
28
231
1-7/8"
(4.8 cm)
FRONT
53
V2
26
120
23
41
11
941
41
11
921
941
41
9
11
41
53
941
41
941
41
11
921
11
41
26
120
23
41
11
53
H2
ED
9
5"
(12.7 cm)
1-7/8"
(4.8 cm)
5"
(12.7 cm)
251
RT
PT
RR
Reddi-Match
9
010009
SS MACHINE
8-32 x 5/8"
2
SCREW
(1.6 cm)
11
010011
SS
8-32
24
HEX NUT
23
190023
CONNECTOR
2
BRACKET
26
190026
ALUMINUM
7/8"
20
BRACKET
(2.2 cm)
28
190028
ALUMINUM
18
HALF WASHER
41
011941
SS LOCK
#8
26
WASHER
53
050053
PLASTIC
1/2"
4
CAP
(1.3 cm)
120
010120
SS MACHINE
8-32 x 2"
2
SCREW
(5.1 cm)
231
010231
SS MACHINE
8-32 x 1-3/4"
18
SCREW
(4.4 cm)
251
050251
PLASTIC
3/8"
2
CAP
(1 cm)
921
200921
TUNING
4
STRAP
941
360941
FLAT
#8
4
WASHER
H2/V2
ALUMINUM
1/2" x 39-1/4"
2
TUBE
(1.3 x 99.7 cm)
PT
POLY
3/16" x 4-1/2"
2
TUBE
(.5 x 11.4 cm)
RR
REDDI-MATCH
3/16" x 4"
2
ROD
(.5 x 10.2 cm)
RT
ALUMINUM
3/8" x 6-1/2"
2
TUBE
(.9 x 16.5 cm)
KEY
P/N
DISPLAY
DESC
SIZE
QTY
5
KEY
P/N
DISPLAY
DESC
SIZE
QTY
Assemble the two driven element tubes (H2,V2) and con-
nector brackets (23) to the boom at the positions shown in
figure B using the hardware shown in figure C. Note that the
connectors point toward the center of the boom. Assemble
the Reddi-Match components RR, PT, RT and 251. Set
them aside for the moment. Loosely attach the Reddi-
Match straps (921) to the driven elements (H2,V2)
as shown. Slide the Reddi-Match assembly
through the Reddi-Match straps and secure
the rod (RR) to the connector. Use washer
(41) and nut (11). Next, slide the poly tube
(PT) to the flattened end of the rod (Figure C-
2). Set the dimensions shown in figure C and
tighten the hardware.
Note: Reddi-Match
settings are different for H2 and V2.
Two sets of elements are provided with the
antenna. Each set is mounted 90 degrees to
the other. Lengths are shown in Table A.
Using Figure B for positioning, attach
the elements using the hardware
shown in Figure D. Element lengths
within 1/16" ( .16 cm) of the stated
length are acceptable. Check ele-
ments again to assure that they are in
the correct position and tighten the
hardware.
#2-ELEMENT ASSEMBLY
FIGURE D
Poly tube on Reddi-Match
should be touching
the flared rod end.
Poly Tube
H1, V1
40-5/8" (103 cm)
2
H2, V2
39-1/4" x 1/2"
2
(99.7 x 1.3 cm)
H3, V3
37-3/4" (95.9 cm)
2
H4, V4
36-1/2" (92.7 cm)
2
H5, V5
35-3/8" (89.9 cm)
2
H6, V6
34-3/8" (87.3 cm)
2
H7, V7
33-3/4" (85.7 cm)
2
H8, H9, V8, V9
32-3/4" (83.2 cm)
4
H10, V10
31-1/8" (79.1 cm)
2
TABLE A (Elements)
NOTE: Figure C is rotated 180 degrees for clarity.
FIGURE C
FIGURE
C-2
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