MFJ-1792/1793 Instruction Manual
Vertical Antenna
10
23- Attach the 20 meter element to the
antenna using hose clamps over the L-
brackets. Secure hose clamps.
See
figure inside front cover and figure 3.
24- Place guy wires on guy wire
mounts. Make sure the guys are non-
conductive and long enough to reach
their attaching ground position when
antenna is up. Use the formula:
C = SQRT (A2+B2) to estimate the
length of the wire.
Add
a few extra feet
to your calculation to be on the safe
side.
See Figure 8.
NOTE: It is possible to use a single set of guy lines to secure this antenna. This set
of guy lines can be placed on top of either the hose clamp or the 1/4 - 20 x 1 3/4" bolt
of Tube 4 end B.
25- Thread six 6-32 x 1/4" screws in the capacitor hat ring on the loading coil assembly.
Do not tighten them yet.
See Figure 9.
IMPORTANT:
Do not use a high torque electric screwdriver to mount the
capacitance spokes. The screw heads will be shredded off if too
much torque is applied.
FIGURE 8
FIGURE 9
