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Thirty-six inch auger boring one of three base holes.
Holes are eight feet deep and about six feet apart.
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The tower ground system: copper strap radials, three on
each leg, forty to seventy feet long, buried two to six inches deep.
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Crane lifting sixty feet tapered tower section, which is
made of three twenty foot sections.
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A crane lifting thirty foot straight tower section, with
thirty foot mast. The mast is eight feet inside the tower, and already
attached to the prop pitch rotor.
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Force 12 C3 at 110 feet
Homebrew 30M/40M dipole at 108 feet
Homebrew 40M yagi, 20 foot boom at 100 feet
Force 12 C3 at 80 feet on IIX side mount
Force 12 C3 at 42 feet, fixed on EU
Force 12 C3 at 36 feet, fixed on JA
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Dennis erected a new tower in spring, 2003. This is a heavy duty
tower, 170' high.
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Two of the towers at K5YA. The tower erected in 2003 is in the
foreground.
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Force 12 EF-180B @ 170'
2 ele 40M, 20 ft boom, homebrew @ 160'
4 wire 160M half wave sloper array @ 155'
5 ele 20M, 40 ft boom, homebrew @ 130'
5 ele 20M, 40 ft boom, homebrew @ 90'
2 ele 40M, 20 ft boom, homebrew @ 80'
5 ele 20M, 40 ft boom, homebrew @ 50'
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A close-up of the tower at K5YA, installed in 2003. This is a
five element 20M yagi, on a 40 ft boom, homebrew, on a side-mount.
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Dennis has installed yet another new tower at his contest station,
seen here freshly completed in the summer of 2004.
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At 100' is a five-element 15M monobander with a 30 foot boom, and
at 90' is a five-element 10M monobander with a 24 foot boom, both
turned by a single rotor, mounted inside the tower. The antenna
at 80' is a side-mounted rotatable five-element 15M monobander with
a 30 foot boom.
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The lowest two antennas on the new tower are at 50' and 40' respectively,
and rotate together on a ganged sidemount. The antenna at 50' is a
five-element 10M monobander on a 24 ft boom, and the antennas at 40'
is a five-element 15M monobander on a 30 ft boom.
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