Directive Systems & Engineering DSE3319LYAK Quick Start Manual

33cm loop yagi

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2
.058" x 1" Drilled boom
2
Reflectors 1 & 2
1
Driven element
10
Directors 1-10
6
Directors 11-16
1
Boom to Mast Bracket
1
Boom to Mast Plate
1
2" U-bolt with nuts & lock washers
1
Saddle
1
Cable assembly w/connector
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
DSE3319LYAK Rev 4/21
Directive Systems & Engineering
2702 Rodgers Terrace
Haymarket, VA 20169-1628
www.directivesystems.com
33cm Loop Yagi, Model DSE3319LYAK

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

PARTS LIST

Note: All hardware is Stainless Steel unless otherwise noted.
TO READ THE ENCLOSED WARNING PAMPHLET.
703-754-3876
910-928 MHz
19
72 inches
1 inch
1 1/2-inch max.
4 pounds
Type N female
16.5 dBi
=30°
>20 dB
550 W. average
21 ½ in. vertical
24 in. horizontal
4-40 x 1 1/4" Screw
19
19
4-40 Lock nut
8-32 x 1 1/4" Screw
2
8-32 x 2" Screw
2
4
#8 Hex nut
4
#8 Split lock washer
1
Anti-Seize Compound
2
1" Black End Cap
1
Assembly Manual

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Summary of Contents for Directive Systems & Engineering DSE3319LYAK

  • Page 1 Directive Systems & Engineering 2702 Rodgers Terrace Haymarket, VA 20169-1628 www.directivesystems.com 703-754-3876 33cm Loop Yagi, Model DSE3319LYAK SPECIFICATIONS Frequency Range: 910-928 MHz Number of elements: Boom Length: 72 inches Boom diameter: 1 inch Mast diameter: 1 1/2-inch max. Weight: 4 pounds...
  • 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 DSE3319LYAK Rev 4/21...
  • Page 3 The boom diameter is 1 inch, and it is drilled for 4-40 hardware (no. 33 drill bit). The driven element hole is enlarged to 5/16 inch. All elements are 0.032-inch-thick and 0.375 inch wide. Note that the element spacing from D7 on is 5.115 inches. The feed coaxial cable (0.141-inch DSE3319LYAK Rev 4/21...
  • Page 4 For best match, the driven element should be approximately 4 inches high; this makes it wider than it is tall. This shape can be adjusted for best match. This antenna is based on work done by G3JVL. Soldered Driven Element Note: All dimensions are in inches. DSE3319LYAK Rev 4/21...
  • Page 5 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. DSE3319LYAK Rev 4/21...

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