hygain 5 element 10m yagi -- 105ca
hy-gain 105ba, cw setting
28.0 28.3 28.6 28.25 mhz
5 elements, inches
0.875 0.625 0.4375
0.000 45.000 21.500 42.500
93.250 25.250 23.500 54.000
150.000 25.000 23.500 52.250
202.750 25.000 23.500 47.000
274.750 25.000 23.500 45.750
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hy-gain 105ba, low-phone setting
28.500 28.750 29.000 28.700 mhz
5 elements, inches
0.8750 0.6250 0.4375
0.000 45.0000 21.5000 41.0000
92.000 25.2500 23.5000 52.0000
148.000 25.0000 23.5000 50.7500
200.000 25.0000 23.5000 45.7500
271.000 25.0000 23.5000 44.5000
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hy-gain 105ca cw setting
28.000 28.200 28.400 28.200 mhz
5 elements, inches
1.0000 0.8750 0.6250 0.4375
0.000 3.5000 41.5000 21.5000 42.2500
58.000 3.7500 21.5000 23.5000 54.3750
103.000 3.5000 21.5000 23.5000 53.5000
186.500 3.5000 21.5000 23.5000 51.7500
286.500 3.5000 21.5000 23.5000 48.0000
this setting of the 105ca is centered on 28.200 mhz
for cw operation. it has a 2:1 vswr band-width of
1100 khz centered on 28.200. maximum gain is 8.20
dbd and maximum f/b is 27 db.
beta rod length= 17 inches (measured from inside
tubing edge to outside edge of clamp). pigtail
length= 7 inches. balun= hy-gain bn-4000 (current
type)
radiation patterns and vswr were verified in
september 1991. 9-18-91 rc
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hy-gain 105ca low phone setting
28.000 28.400 28.800 28.400 mhz
5 elements, inches
1.0000 0.8750 0.6250 0.4375
0.000 3.5000 41.5000 21.5000 41.5000
58.000 3.7500 21.5000 23.5000 53.3750
103.000 3.5000 21.5000 23.5000 52.7500
186.500 3.5000 21.5000 23.5000 51.0000
286.500 3.5000 21.5000 23.5000 47.2500
this setting of the 105ca is centered on 28.400 mhz
for low phone operation. it has a 2:1 vswr band-
width of 1100 khz centered on 28.400. maximum gain
is 8.22 dbd and maximum f/b is 27 db.
beta rod length= 17 inches (measured from inside
tubing edge to outside edge of clamp). pigtail
length= 7 inches. balun= hy-gain bn-4000 (current
type)
radiation patterns and vswr were verified in september
1991. 9-18-91 rc
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hy-gain 105ca mid phone setting
28.400 28.800 29.200 28.800 mhz
5 elements, inches
1.0000 0.8750 0.6250 0.4375
0.000 3.5000 41.5000 21.5000 40.000
58.000 3.7500 21.5000 23.5000 52.250
103.000 3.5000 21.5000 23.5000 51.375
186.500 3.5000 21.5000 23.5000 49.625
286.500 3.5000 21.5000 23.5000 45.875
this setting of the 105ca is centered on 28.800 mhz
for mid phone operation. it has a 2:1 vswr band-
width of 1100 khz centered on 28.800. maximum gain
is 8.26 dbd and maximum f/b is 27 db.
beta rod length= 17 inches (measured from inside
tubing edge to outside edge of clamp). pigtail
length= 7 inches. balun= hy-gain bn-4000 (current
type)
radiation patterns and vswr were verified in september
1991. 9-18-91 rc
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hy-gain 105ca oscar/fm setting
29.300 29.500 29.700 29.500 mhz
5 elements, inches
1.0000 0.8750 0.6250 0.4375
0.000 3.5000 41.5000 21.5000 37.125
58.000 3.7500 21.5000 23.5000 49.500
103.000 3.5000 21.5000 23.5000 48.625
186.500 3.5000 21.5000 23.5000 46.875
286.500 3.5000 21.5000 23.5000 43.250
this setting of the 105ca is centered on 29.500 mhz
for oscar satellite and fm operation. it has a 2:1
vswr band-width of 1000 khz centered on 29.500.
maximum gain is 8.35 dbd and maximum f/b is 27 db.
beta rod length= 17 inches (measured from inside
tubing edge to outside edge of clamp). pigtail
length= 7 inches. balun= hy-gain bn-4000 (current
type)
radiation patterns and vswr were verified in september
1991. 9-18-91 rc
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hy-gain 105ca broad-band setting
28.000 28.800 29.700 28.800 mhz
5 elements, inches
1.0000 0.8750 0.6250 0.4375
0.000 3.5000 41.5000 21.5000 42.0000
58.000 3.7500 21.5000 23.5000 51.5000
103.000 3.5000 21.5000 23.5000 49.0000
186.500 3.5000 21.5000 23.5000 48.0000
286.500 3.5000 21.5000 23.5000 43.5000
this setting of the 105ca is suitable for operation
anywhere in the 10 meter band. it has a 2:1 vswr
band-width of 1700 khz centered on 28.800 mhz.
maximum gain is 8.20 dbd and maximum f/b is 24 db.
beta rod length= 28.375 inches (measured from inside
tubing edge to outside edge of clamp). pigtail
length= 7 inches. balun= hy-gain bn-4000 (current
type).
radiation patterns and vswr were verified in september
1991. 9-18-91 rc
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hy-gain 105ca max f/b setting
28.200 28.500 28.800 mhz
5 elements, inches
1.0000 0.8750 0.6250 0.4375
0.000 3.5000 41.5000 21.5000 41.500
58.000 3.7500 21.5000 23.5000 54.250
103.000 3.5000 21.5000 23.5000 52.500
186.500 3.5000 21.5000 23.5000 45.875
286.500 3.5000 21.5000 23.5000 38.250
this setting of the 105ca is centered on 28.500 mhz
for phone operation. it features an extremely high
front-to-back ratio. 2:1 vswr band-width is 600 khz,
maximum gain is 7.56 dbd, and maximum f/b is 36 db.
beta rod length= 10.375 inches (measured from inside
tubing edge to outside edge of clamp). pigtail
length= 7 inches. balun= hy-gain bn-4000 (current
type).
radiation patterns and vswr were verified in september
1991. 9-18-91 rc
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hy-gain 105ca max gain setting
28.300 28.500 28.700 mhz
5 elements, inches
1.0000 0.8750 0.6250 0.4375
0.000 3.5000 41.5000 21.5000 40.625
58.000 3.7500 21.5000 23.5000 51.250
103.000 3.5000 21.5000 23.5000 49.375
186.500 3.5000 21.5000 23.5000 50.625
286.500 3.5000 21.5000 23.5000 49.125
this setting of the 105ca is centered on 28.500 mhz
for phone operation. it features higher gain than
the normal settings. 2:1 vswr band-width is 400 khz,
maximum gain is 8.60 dbd, and maximum f/b is 23 db.
beta rod length= 13.875 inches (measured from inside
tubing edge to outside edge of clamp). pigtail
length= 7 inches. balun= hy-gain bn-4000 (current
type).
radiation patterns and vswr were verified in september
1991. 9-18-91 rc
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