Heathkit GCA 1000 52 Manual

Page 1

ASSEMBLY INSTRUCTIONS

for the

HEATH WWV ANTENNA

GCAFlOOO-Sl and 52

LOCATION

Location of the WWV antenna is very important. Surrounding
objects such as trees, power lines, other antennas, etc.

M w111 interfere with the operation of the antenna. To _
minimize the effect of surrounding objects, mount the
antenna 1n the clear away from other objects.

WARNING: THIS ANTENNA IS AN ELECTRICAL CONDUCTOR, CONTACT
WITH THE AC POWER LINES CAN RESULT IN DEATH, OR SERIOUS
INJURY. DO NOT INSTALL THIS ANTENNA WHERE THERE IS ANY

' POSSIBILITY OF CONTACT WITH OR HIGH VOLTAGE ARC-OVER FROM
POWER CABLES OR.SERVICE DROPS TO THE BUILDING. THE ANTENNA'
SUPPORT 0R SUPPORT ING MAST AND/OR TOWER MUST NOT BE CLOSE TO
ANY POWER LINES DURING INSTALLATION, REMOVAL OR IN THE EVENT
PART OF THE ANTENNA SYSTEM SHOULD ACCIDENTALLY FALL.

CONSULT THE NATIONAL ELECTRICAL CODE FOR FURTHER.DETAILS.

PARTS LIST

The WWV antenna is shipped in two cartons, one carton (box)
and one round 6 foot long tube. The tube contains the »
aluminum for the elements and the carton (box) contains the
electronics, coax cable and hardware.

Contents:

Tube carton:
2 - 4 foot long 1/2 inch diameter aluminum
elements.
2 - 6 foot long 3/8 inch d1ameter aluminum
elements.

Box carton:
Instructions and Installation sheet.
E1ectron1cs mountlng plate containing coils,
matching network and connector.
50 feet +/- 6" of coax cable with connectors.
2 - "U bolts, mast mounting hardware. ,
2 - "HOunting" bolts, element'w w ng hardware
Washers for mounting hardware.
Screws for mounting elements.
Clamps for mounting elements.

Page 2

ASSEMBLY IN§TRUCTIONS

Step 1. Locate the two 1/2" outside diameter aluminum
elements. One end of each element has a 3/16" diameter
hole, the other end is slotted with saw cuts.

Step 2 Locate the Electronics mounting plate containing .
coils, matching network and connector and place it on a flat
surface with the electronics facing up and the antenna "F"
connector facing down. The coils will be towards the top.
Place a wedge under the electronics mounting plate to
stabilize the mounting surface. A.horizonta1 working area

of 9 feet is required..

Step 3. Locate the (2) 1/2" "Mount1ng" b olt-s and loosely
fasten then into the two holes provided at the edges just
above the coils. Insert one of the 1/2" elements, the end
with the drilled hole, through the "Mounting" bolt on the
left side of the electronics mounting plate and align the
element hole with that in the electronics mounting plate.

Step 4. Insert a 3/16" diameter screw from the reverse side
of the electronicstounting_plate, through the hole and
through the hole in the element.

Step 5. Place the solder lug-connector, the one from the
coil on the left side of the electronics mounting.p1ate,
over the 3/16" screw, Install 3/16" nut with fingers.
Carefully tighten with a.screw driver on the reverse side of
the mounting plate.- Caution: DO NOT OVER-TIGHTEN.

Step 6. Proceed as in step 3, 4 and 5 with the same
instructions for the second 1/2" aluminum.element which is
placed on the right side_ of the electronics mounting plate.

Step 7. Next locate the "U" bolt hardware. Insert the
first "U" bolt and place the clamp with "V" cuts in the
edges onto the "U" bolt w1th "V" fa01ng towards the V'

semicircle.

Step 8. Insert the threaded ends of the "U" bolt through
the top -holes in the eleCtronics mounting plate. Place a
large washer over each end of the U" bolt followed by a
compression lock.washer. Place the nuts onto the "U" bolts

but do_not tighten.

Step 9. Follow the same instructions for the bottom "U3
bolt.

At this time it is a ood idea to do the._ollowin
outside.

ssembl

Step 10. Place the 1/2 stainless steel clamps at the ends
of the elements. Tighten loosely so the clamp will not fall
.off, but will accept the 3/8" elements.