Length of each
Length of each
Length of each
a
a
antenna wire
antenna wire
antenna wire
(mc)
(mc)
(mc)
(ft)
(ft)
(ft)
148.10
2.5
6.2
37.74
93.60
1.58
6.4
2.55
36.56
146.25
91.76
1.60
35.45
2.6
6.6
144.44
90.00
1.62
34.41
1.64
142.68
2.65
6.8
88.30
33.42
7.0
140.96
2.7
1.66
86.66
31.20
2.75
7.5
139.28
85.09
1.68
29.25
137.64
8.0
1.70
2.8
83.57
27.52
8.5
136.04
2.85
1.72
82.10
26.0
9.0
80.68
134.48
2.9
1.74
9.5
79.32
2.95
132.95
1.76
10.0
78.0
131.46
3.0
1.78
10.5
75.48
130.0
3.1
1.80
11.0
73.12
128.57
1.82
3.2
70.9
127.17
1.84
3.3
68.82
125.80
3.4
1.86
66.85
124.46
1.88
3.5
15.60
65.0
123.15
1.90
3.6
14.62
16.0
63.24
121.87
1.92
3.7
13.76
120.61
61.57
1.94
3.8
13.0
18.0
119.38
60.0
3.9
1.96
12.31
19.0
118.18
4.0
58.50
1.98
11.7
55.71
4.2
117.0
2.0
4.4
53.18
114.14
2.05
4.6
111.42
50.86
2.1
4.8
48.75
108.83
2.15
46.80
106.36
5.0
2.2
45.0
104.0
5.2
2.25
Each antenna wire length includes the reel assembly frame.
b. Installation Procedure.
(d) Tighten the thumb nut at the cen-
ter of the reel.
(1) Connect the antenna wire terminal
(6) Unfasten the tape measure from the
hooks to the thumb nuts on the op-
i n s u l a t o r , unfasten the insulator
posite ends of the insulator (fig. 5).
(2) Temporarily fasten the insulator to
from the support, and lay the an-
tenna wires out in a straight line.
one of the desired supports.
(3) Temporarily fasten the free end of
(7) Check the overall length of the two
the tape measure to the center of
wires plus the insulator and reel
the insulator.
assemblies. The overall length will
(4) Unwind the tape measure to the
be twice the length indicated on the
length corresponding to the desired
tape measure for the desired fre-
frequency.
quency or twice the length obtained
(5) Refer to figure 6 and unroll a like
from the chart in a (2) above. Adjust
amount of wire from each reel as-
the antenna for an exact overall
sembly as follows:
length. Be sure to keep the insula-
(a) Grasp the reel assembly firmly
tor centered.
in one hand and loosen the thumb
(8) A t t a c h each reel assembly to a
halyard snaphook fastener (fig. 7).
nut at the center of the reel and
(9) Tie the halyards to the best avail-
the thumb nut on the wire clamp
on the reel assembly frame.
a b l e supports (tree, fence post,
(b) Move away from the antenna cen-
vehicle, etc) at a height of 4 feet or
higher.
ter slowly, keeping the wire taut
at all times. Hold your thumb on
Caution: Allow the antenna as-
the wire to prevent backlash.
sembly to sag at least 6 inches.
(c) A f t e r unwinding the required
(10) Connect the ends of the rf cable
amount of wire, tighten the thumb
b e t w e e n the insulator connector
nut on the wire clamp.
9
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