2-Meter Vertical Dipole Array Drawings - KG4JJH

18-1/8" 

17-23/32" 

15-5/8" 

15-9/16" 

PIPE LENGTHS 

IN ITALICS 

8 5 

6 

1-29/32" SEE FEEDPOINT 5 

8 

DETAILS A & B 

SHEET 2 OF 4 

2-1/4" 

1/4" 

18-1/8" 

DRILL 1/8" 

DRAIN HOLE 

9" 

8-3/8" 

(TYPICAL) 

VERTICAL DIPOLE-1 (TOP) 

SHOWN HORIZONTA LLY 

8-5/16" 

NOTE-2 

8 

5 

6 

5 

10 

9 

1" 

1" 

DIPOLE TOP 

29-19/32" 

30" 

29-11/32" 

30" 

DIPOLE BOTTOM 

18-1/8" 

18-1/8" 3-7/32" 

1/4" 

14-21/32" 

17-23/32" 

14-9/16" 

PIPE LENGTHS 

IN ITALICS 

8 5 

6 

2-7/8" 

SEE FEEDPOINT 5 

8 

DETAILS A & B 

SHEET 2 OF 4 

DRILL 1/8" 

DRAIN HOLE 

9" 

VERTICAL DIPOLE-2 & 3 


8-5/16" 

NOTE-2 

9 

10 

5 

6 

5 

9 

1" 

1" 

DIPOLE TOP 

29-9/32" 29-11/32" 

30" 

30" 

DIPOLE BOTTOM 

18" 

17-19/32" 

PIPE LENGTHS 

8 

IN ITALICS 

5 

6 

1-29/32" SEE FEEDPOINT 5 

8 

DETAILS A & B 

SHEET 2 OF 4 

2-1/4" 

1/4" 

18" 

15-1/2" 

15-7/16" 

DRILL 1/8" 

DRAIN HOLE 

3/16" DIA. 

DRILL THRU 

1" 

9" 

VERTICAL DIPOLE-4 (BOTTOM) 


8-5/16" 

VIEW A-A 

9 

1" 

DIPOLE TOP 

10 

NOTES 

1. SEAL FEEDPOINT TERMINATIONS WITH COAX-S EAL. 

2. RECOMMENDED COAX ROUTING FOR MINIMUM PATTERN DISTORTION AND OPTIMUM FEEDPOINT IMPEDANCE. 

3. MATERIALS LIST ON SHEET 2 OF 5. 

4. FOR A 2-ELEMENT ARRAY, USE VERTICAL DIPOLES 3 & 4. 

5 

6 

NOTE-2 

29-9/32" 29-19/32" 

30" 

30" 

5 

DESIGN: KG4JJH 11/15/05 

TESTED: KG4JJH 

KG4JJH 

2-METER VERTICAL DIPOLE ARRAY 

COPPER DIPOLE ARRAY DETAILS 

1" 

SCALE: 1/4:1 SHEET 1 OF 4 

A 

DRILL 1/8" 

DRAIN HOLE 

A 

DIPOLE BOTTOM 

REV. 0

GUY RING 

12 

13 

DETAIL-C 

10" NOTE-2 

VERTICAL DIPOLE-1 

(TOP) 

GUY RING 

12 

13 

DETAIL-C 

10" NOTE-2 


ITEM QTY DESCRIPTION 

SOURCE 

1 8 6-32 X 7/8", SS, PAN HEAD MACH. SCREW, McMASTER 95345A486 

www.mcmaster.com 

2 8 #6 FLAT WASHER, SS, McMASTER 92141A007 


3 8 #6 LOCK NUT, SS, McMASTER 91831A007 


4 8 FLAG TERMINAL, #6, MCMASTER 73125K64 & 73125K61 


5 35' PIPE, COPPER, 1/2" TYPE L 

www.homedepot.com 

6 8 TEE, COPPER, 1/2", PRE-SOLDERED 


7 12" PIPE, PVC, SCH 80, 1/4", McMASTER 48855K41 


8 8 CAP, COPPER, 1/2", PRE-SOLDERED 


9 3 UNION, COPPER, 1/2", McMASTER 5520K91 


10 AR CABLE TIE 


11 AR COAX-SEAL 

www.coaxseal.com 

12 8 10-24 X 1-1/4", SS, PAN HEAD MACH. SCREW, McMASTER 91400A251 www.mcmaster.com 

13 16 10-24 LOCK NUT, SS, McMASTER 90715A011 


NOTES 

1. SEAL COAX EXPOSED COAX ENDS WITH COAX-SEAL (DETAIL-B). 

2. DROP ARRAY DOWN APPROXIMATELY 10 INCHES FROM TOP GUY RING TO AVOID GUY LINE INTERFERENCE. 



5 

13 

12 

DETAIL-C 


13 

12 

DETAIL-C 

3/4" 

7 

1 

1/4" 

1/4" 

1 

2 

2 

3 

3 

4 

4 

COAX 

10 

11 

COAX 

FIBERGLASS MAST 

13 

5/8"OD COPPER 

13 

12 


(BOTTOM) 

DETAIL-A 

SCALE: 1:1 

DETAIL-B 

SCALE: 1:1 

NOTE-1 

DETAIL-C 

SCALE: 1:1 

4-ELEMENT VERTICAL DIPOLE ARRAY 

COPPER ASSEMBLY 

NTS 


COPPER ASSEMBLY 

NTS 





FEEDPOINT DETAILS & ASSEMBLIES 

SCALE: NOTED SHEET 2 OF 4 

REV. 0

4 

2 

5 

6 

10" 

NOTE 

1 

ITEM 

1 

2 

3 

4 

5 

6 

QTY 

DESCRIPTION 

SOURCE 

1 MAST, 44.5 FT., FIBERGLASS 

www.ebay.com 

350' GUY LINE, BLACK, 3/16", DACRON 

www.ebay.com 

3 STAKE, 18" 


9 LINE TIGHTENER, TAUT-T IE 

www.campmor.com 

9 SPRING SNAP, STAINLESS STEEL 


3 GUY RING www.ebay.com 

NOTES 

1. DROP ARRAY DOWN APPROXIMATELY 10 INCHES FROM TOP GUY RING TO AVOID GUY LINES. 

GUY LINE ASSEMBLY 

3 EA: 55 FT 

3 EA: 35 FT 

3 EA: 25 FT 

3 

4 

120 

DEGREES 

4 

3 

GUY LINE 

GUY LINE 

6 

45' 

RADIUS 

ANTENNA 

& MAST 

GUY LINE 

44.5 FEET 

PREVAILING 

WIND 

4 

6 

3 

ANTENNA & MAST 

PLAN VIEW 

4 

ANTENNA & MAST 

ELEVATION VIEW 

3 





FIBERGLASS MAST GUYING PLAN 

SCALE: NONE SHEET 3 OF 4 

REV. 0

5 

1-1/2"OD METALLIC MAST DIPOLES SPACED 60" ON CENTERS 

3 

1 

8-9/16" 

10" 

2 

6 

7 

1 

4 

8 

1 

1/4" 

A 

A+B 

NOTE-2 

B 

C 

30" 

60" 

60" 

60" 


(TOP) 




(BOTTOM) 

60" 

60" 

ANTENNA-1 

5 

0 

ANTENNA-2 

5 

0 

60" 120" 

ANTENNA-3 

5 

0 

ANTENNA-4 

5 

0 

A = 40-1/8" 

RG-11A/U 

100 

COAX 

TEE 

100 

B = 40-1/8" 

RG-11A/U 

C = 40-1/8" 

RG-11A/U 

100 

COAX 

TEE 

100 

D = 40-1/8" 

RG-11A/U 

1 

2 

50 

50 

ITEM QTY 

1 15' 

2 4 

3 4 

4 24" 

5 8 

6 16 

7 16 

8 16 

DESCRIPTION 

ALUMINUM TUBING, 1-3/8" OD 

SINGLE SOCKET TEE, ALUMINUM, KEE LITE L10-6 

4-HOLE SQUARE FLANGE, ALUMINUM, KEE LITE L152-6 

FIBERGLASS TUBING, 1-1/4" OD 

V-BOLT SADDLE CLAMP, 1/2" TO 1-3/4", DXE-CAVS-1P 

6-32 X 1-3/4", SS, PAN HEAD MACH. SCREW, McMASTER 91772A158 

#6 FLAT WASHER, SS, McMASTER 92141A007 

#6 LOCK NUT, SS, McMASTER 91831A007 

SOURCE 

www.texastowers.com 

www.keelite.com/us/ 

www.keelite.com/us/ 

www.mgs4u.com 

www.dxengineering.com 




NOTES 

1. STRAP COAX ALONG ANTENNA WITH CABLE TIES. SEAL TERMINATIONS WITH COAX- SEAL. 

2. THE ALUMINUM TEE HAS ONLY ONE SET SCREW; COMBINE DIMENSIONS A & B TO MAKE ONE TUBE. 

E = 66-7/8" 

RG-11A/U 

COAX 

100 

TEE 

3 50 

100 

F = 66-7/8" 

RG-11A/U 

RG-8 TO 

TRANSCEIVER 

60" 

ANTENNA-1 

5 

0 

ANTENNA-2 

5 

0 

A = 40-1/8" 

RG-11A/U 

100 

COAX 

TEE 

100 

B = 40-1/8" 

RG-11A/U 

1 

50 

RG-8 TO 

TRANSCEIVER 

ALUMINUM VERTICAL DIPOLE 

SCALE: 1/4:1 

FREE SPACE GAIN: 9.9 dBi 

BEAMWIDTH: 18 DEG 

Z: 50 OHMS 

METALLIC MAST 

1-1/2"OD 

4-ELEMENT 

PHASING HARNESS 

2-ELEMENT 

PHASING HARNESS 

DIPOLE 

LOCATION 

1 (TOP) 

2 & 3 

4 (BOTTOM) 

CENTERLINE DIMENSIONS 

A 

17-3/8" 

17-5/16" 

17-3/16" 

B 

3-1/2" 

3-15/32" 

3-7/16" 

C 

13-5/8" 

13-19/32" 

13-1/2" 

A + B 

20-7/8" 

20-25/32" 

20-5/8" 


ALUMINUM ASSEMBLY 

NTS 





PHASING HARNESS & 

CLAMP-ON ALUMINUM ARRAY DETAILS 

SCALE: NOTED SHEET 4 OF 4 

REV. 0

2-Meter Vertical Dipole Array Drawings - KG4JJH

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?