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33cm Loop Yagi (Rear Mount), Model DSE3318LYRMK
Quantity
Anti-Seize Compound - Apply a small amount of the supplied Anti-Seize Compound to the aluminum joints and
to the threads of the U-Bolts to prevent galling.
BEFORE INSTALLING YOUR NEW ANTENNA, PLEASE BE SURE
DSE3318LYRMK Rev 3/21
Directive Systems & Engineering
Haymarket, VA 20169-1628
SPECIFICATIONS
Frequency Range:
Number of elements:
Boom Length:
Boom diameter:
Mast diameter:
Weight:
Connector:
Gain:
3 dB Beamwidth (E Plane):
F/B ratio:
Maximum Power:
Stacking Distance:
H Plane
E Plane
Note: All hardware is Stainless Steel unless otherwise noted.
Description
2
.058" x 1" Drilled boom
1
Boom to Mast "L" Bracket
2
Reflectors 1 & 2
1
Driven element
10
Directors 1-10
5
Directors 11-15
1
2" U-bolt with nuts & lock washers
1
Saddle
1
Cable assembly w/connector
TO READ THE ENCLOSED WARNING PAMPHLET.
2702 Rodgers Terrace
www.directivesystems.com
703-754-3876
890-910 MHz
18
72 inches
1 inch
2 inches' max
3 lbs assembled
Type N female
16.5 dBi
30°
>20 dB
550 W. average
21 1/2 in. vertical
24 in. horizontal
PARTS LIST
Quantity
18
18
2
2
2
1
2
1
Description
4-40 x 1 1/4" Screw
4-40 Lock nut
8-32 x 1 3/8" Screw
#8 Hex nut
#8 Split lock washer
Anti-Seize Compound
1" Black End Cap
Assembly Manual
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Summary of Contents for Directive Systems & Engineering DSE3318LYRMK
- Page 1 Directive Systems & Engineering 2702 Rodgers Terrace Haymarket, VA 20169-1628 www.directivesystems.com 703-754-3876 33cm Loop Yagi (Rear Mount), Model DSE3318LYRMK SPECIFICATIONS Frequency Range: 890-910 MHz Number of elements: Boom Length: 72 inches Boom diameter: 1 inch Mast diameter: 2 inches’ max...
- Page 2 SWR bridge or VNA. Pull down on the connector (which will flatten the loop) until you reach the lowest SWR. If it’s less than 1.5:1 you can stop and make sure the loop doesn’t try to pop DSE3318LYRMK Rev 3/21...
- Page 3 DO NOT, UNDER ANY CIRCUMSTANCES, APPLY ANY TYPE OF SEALANT OR COATING TO THE ® DRIVEN ELEMENT, T-ARMS OR CONNECTOR ASSEMBLY, OTHER THAN KRYLON CLEAR COAT. ANY OTHER COATING WILL ADVERSELY AFFECT THE SWR AND VOID YOUR WARRANTY. DSE3318LYRMK Rev 3/21...
- Page 4 ANY ANTENNA THAT HAS BEEN MODIFIED WILL BE SUBJECT TO A RESTOCKING CHARGE. IF AN ANTENNA IS SO MODIFIED AS TO MAKE IT UNUSABLE, DIRECTIVE SYSTEMS RESERVES THE RIGHT TO REFUSE TO ACCEPT THE ANTENNA FOR RETURN. DSE3318LYRMK Rev 3/21...
- Page 5 P a g e Note: All dimensions are in inches. DSE3318LYRMK Rev 3/21...
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