Related Manuals for CUSHCRAFT A4S
Summary of Contents for CUSHCRAFT A4S
- Page 1 ASSEMBLY AND INSTALLATION INSTRUCTIONS 20 / 15 / 10 MeterBeam 951279 (8/98)
- Page 2 TUNING PROCEDURE Set the element lengths for the portion of the band you want to favor, by using Chart 1 and Figure B. Your A4S is now ready for use. Because of variations in trap caps, the overall dimensions D-1, 2, 3, 4 may vary as much as 1 inch from the individual dimensions. This will not affect performance.
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Page 3: Master Parts List
MASTER PARTS LIST PART# PART# Aluminum tubing 2" x 72" x .058 drilled and 15 meter director trap slotted both ends 15 meter driv. & refl. trap Aluminum tubing 2" x 75-1/4" x .058 swagged and drilled 10 meter driv. trap one end 10 meter director trap Aluminum tubing 1-1/8"... - Page 4 FIGURE B DISPLAY DESC SIZE #2 Element Assembly ALUMINUM 1-1/8" x 72" TUBING (2.9 x 182.9cm) ALUMINUM 1-1/18" x 36" TUBING (2.9 x 91.4cm) Assembly of elements is straight forward as shown in Figure B. Arrows on the traps point to the center of the ALUMINUM 7/8"...
- Page 5 #3 - ELEMENT MOUNTING DISPLAY DESC SIZE 010118 SS HEX 5/16" Attach elements according to Figures E and F. Check all dimensions (.8 cm) for proper placement of elements on the boom. Level the elements 010119 SS LOCK 5/16" and tighten all the nuts on the U-bolts that hold the elements on the WASHER (.8 cm) boom.
- Page 6 #4 - RF CHOKE FIGURE H A feedline should be prepared as shown in Figure H using the solder terminals (453) provided. A 1:1 balun may be installed at the feedpoint but it is not required. We recommend using an RF choke made from 8 turns of RG8U coaxial cable with 6 inch (15.2 cm) diameter.
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Page 7: Specifications
Cushcraft Corporation, P.O. Box 4680, Manchester, New Hampshire 03108, warrants to the original purchaser for one year from date of purchase that each Cushcraft antenna is free of defects in material or workmanship. If, in the judgement of Cushcraft, any such antenna is defective, then Cushcraft Corporation will, at its option, repair or replace the antenna at its expense within thirty days of the date the antenna is returned (at purchasers expense) to Cushcraft or one of its authorized representatives.