Hy-Gain LJ-113 Instruction Manual Download | Manualshive

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CAUTION: Read All Instructions Before Operating Equipment

308 Industrial Park Road

Starkville, MS 39759 USA

Tel: 662-323-9538 Fax: 662-323-6551

COPYRIGHT 2012 Hy-gain.

VERSION 1A

C

LJ-113

3 element beam for 10 or 12 meters

INSTRUCTION MANUAL

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Summary of Contents for LJ-113

Page 1: ...Instructions Before Operating Equipment 308 Industrial Park Road Starkville MS 39759 USA Tel 662 323 9538 Fax 662 323 6551 COPYRIGHT 2012 Hy gain VERSION 1A C LJ 113 3 element beam for 10 or 12 meters INSTRUCTION MANUAL ...

Page 2: ...e with a 50 ohm coaxial cable A RG 213 u coaxial cable is recommended for lower losses and higher power handling capabilities The antenna requires a coaxial choke or balun to prevent the unbalanced current from flowing down the transmission line and affecting the efficiency and match of the antenna VSWR AND FEEDLINE UNPACKING Unpack the antenna and check the parts against the Parts List and the dr...

Page 3: ...a set of small sized element to boom brackets and loosely assemble them on one end of the boom Refer to Figure 2 for a assembly detail of the bracket Do not forget the 1 4 x 3 8 anchor bolt and its associated square nut This will be the reflector end of the boom INSTALLATION OF CLAMPS When installing the clamps place the clamp near then tube with the top of the clamp centered over one of the slots...

Page 4: ...ose to operate Refer to the frequency chart for placement and tighten the bolts when the correct location is found R2 ASSEMBLY Select the R2 sections and slip the un slotted ends into the R1 sections Allow at least 2 inch of over lap between the tubes and install the 6 hose clamp and tighten R3 ASSEMBLY Select the R3 sections and slip them into the R2 sections The total element length may be adjus...

Page 5: ...easurement from the center of the reflector bracket to the center of the driven element bracket Make certain the driven element will lie in the same plane as the reflector then tighten the anchor bolts securely Select the R2 section and slip them into the R1 section Overlap the tubing at least 2 inches and install the hose clamp and tighten Select the R3 section of tubing and slip it into the R2 s...

Page 6: ...21 5 8 111 3 8 107 1 8 44 7 8 55 1 4 All measurements are in inches and may vary with mounting location and height above ground Note that most tubing will be longer than needed for the measurements given Overlaping the inner sections as much as possible will lessen the weight present at the tips of the element and lower the moment of the antenna T1 T1 T2 T2 T3 T3 Ref DE Dir F Beta 11 15 Figure 7 6...

Page 7: ... 86 balun for increased performance and convenience Final tuning may be required as the element lengths will vary based on mounting location and height above ground Use a good SWR analyzer such as the MFJ 259 or a quality wattmeter to verify the tuning of the antenna before mounting it in its final location If the resonance point of the antenna is too high then the elements are too short If it is ...

Page 8: ... equivalent coaxial cable The choke should consist of 12 turns with an inside coil diameter of 6 inches Allow enough cable at the end to reach from the mast to the driven element Strip the coaxial cable as shown in figure 10 Attach solder lugs not included to the center conductor and s h i e l d f o r e a s y c o n n e c t i o n t o t h e d r i v e n e l e m e n t The third feedpoint configuration...

Page 9: ...e A proper ground consist of a x 8 copper clad ground rod driven into the ground 12 inches from the base of the supporting structure Connect the ground rod to the supporting structure using a 8 or larger copper wire and commercial non corrosive ground clamps WEATHERPROOFING Weatherprooof the coax connectors using Coax Seal or similar substance not supplied Securely tape the RF chokke and feedline ...

Page 10: ...nt to boom 1 1 4 x 1 1 4 Bracket 2 element to boom 1 1 4 x 7 8 Beta match rod 20 Boom to mast bracket Clamp boom to mast bracket PARTS PACK LJ 113 Clamp 7 8 tubing Clamp beta 6 Hose clamp Screw 6 x 3 8 self tapping Caplug 1 1 4 Insulator driven element Caplug 7 16 Bolt 10 24 x 1 hex head Lockwasher 10 internal Nut 10 24 hex Bolt 1 4 20 x 3 8 hex head Bolt 1 4 20 x 3 4 hex head Lock washer 1 4 inte...

Page 11: ...ithout charge to the original owner any defective product under warranty provided the product is returned postage prepaid to hy gain 3 Under no circumstances is hy gain liable for consequential damages to person or property by the use of any hy gain products 4 Out of warranty Service hy gain will repair any out of warrantyproduct provided the unit is shipped prepaid All repaired units will be ship...

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