DSE3333LYA Rev 4/21
Directive Systems & Engineering
2702 Rodgers Terrace
Haymarket, VA 20169-1628
www.directivesystems.com
703-754-3876
33cm Loop Yagi, Model DSE3333LYA
SPECIFICATIONS
Frequency range:
910-930 MHz
Gain:
18.5 dBi
Number of elements:
33
3 dB Beamwidth
Boom length:
144 inches
(E plane):
20º
Boom diameter:
1 inch
F/B ratio:
>
20 dB
Mast diameter:
2 inches max
Maximum Power:
550 W average
Weight: (assembled)
5 pounds
Stacking distance: 30
inches’ vertical
Connector: Type-N female
33
inches’ horizontal
Note: All hardware is Stainless Steel unless otherwise noted.
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
TO READ THE ENCLOSED WARNING PAMPHLET.
ASSEMBLY INSTRUCTIONS
1)
Unpack antenna and locate the two preassembled antenna sections and the hardware
package. The boom is broken between elements D16 and D17. Remove D16 from the boom
piece and slide boom pieces together to alignment marks. Replace D16 and retighten. The
booms are marked for your assembly.
2)
Straighten any misaligned elements and tighten hardware if necessary.
But do not
touch R1, DE or D1, as these have been factory set for minimum SWR.
3)
Attach the boom to mast plate to the boom with the hardware provided. Install the U-
bolts so that the mast comes up directly under the boom.
