Advertisement
16 Element 3.9 wl. K1FO Designed Yagi, Model DSEFO222‐16
Boom
1 1/4" OD x 0.058 x 72" rear boom
w. coax/ balun assy. attached
1 3/8" OD x 0.058 x 72" front boom
Element bundle
16 elements w. 2 T-match rods
HARDWARE BAG #1
Hose clamps, stainless steel
8-32 x 1 3/4" machine screw
8-32 s.s. hex nut
#8 split s.s. lock washer
Brass T match bars
DSEFO222‐16 Rev 12/13
Directive Systems & Engineering
2702 Rodgers Terrace
Haymarket, VA 20169‐1628
www.directivesystems.com
703‐754‐3876
Frequency range: MHz ...................... 222-224
Gain: dBd........................................... 14.0
Impedance: Ohms.............................. 50
Connector type................................... Type N (F) UG-58/U
Front -to- back ratio: dB...................... 22
SWR: Typical at resonance................ ≅1.2:1
Beamwidth: degrees
E- Plane ................................. 31°
H- Plane ................................. 33°
Sidelobe level: decibels
E- Plane ................................. -18
H- Plane ................................. -16
Power rating, Continuous: Watts ...... 1000
Stacking Distance: ft.(m)
E- Plane.................................. 8'9" (2.667)
H- Plane................................. 8' (2.438)
Boom length: in. (m.)........................... 17'4" (5.28)
Turning radius: in. (m.)........................ 10'4" (3.15)
Weight Assembled: Lbs (kg.).............. 9.5 (4.32)
Max mast size: in. (cm.)....................... 2 (5.08)
Wind surface area: Ft (m. ) ................. 1.4 (.13)
Wind Survival: Mph (km/hr)................. 100 (160)
ELECTRICAL SPECIFICATIONS
MECHANICAL SPECIFICATIONS
PARTS LIST
BAG #2
1
Element Insulator
Keepers, s.s. 3/16"
1
BAG #3
U-bolt , s.s. 5/16-18 x 2"
1
U-bolt, s.s. 1/4-20 x 1 1/2"
Nut, hex, s.s. 5/16-18
Lock washer, split, s.s. 5/16"
2
Lock nut, s.s. 1/4-20
2
2
Boom to Mast plate
2
Assembly instructions
2
34
36
2
2
4
4
4
1
1
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Directive Systems & Engineering DSEFO222-16
Summary of Contents for Directive Systems & Engineering DSEFO222-16
- Page 1 Directive Systems & Engineering 2702 Rodgers Terrace Haymarket, VA 20169‐1628 www.directivesystems.com 703‐754‐3876 16 Element 3.9 wl. K1FO Designed Yagi, Model DSEFO222‐16 ELECTRICAL SPECIFICATIONS Frequency range: MHz ...... 222-224 Gain: dBd........... 14.0 Impedance: Ohms......50 Connector type........Type N (F) UG-58/U Front -to- back ratio: dB...... 22 SWR: Typical at resonance....≅1.2:1 Beamwidth: degrees E- Plane ......... 31° H- Plane .........
- Page 2 P a g e | 2 CAUTION: While we strive to remove all burrs from all machined parts, there is always the possibility of sharp edges. We strongly suggest checking the edges and use a fine file, or 400 grit sandpaper, to remove any burrs that may have been left. Tools needed: #2 Phillips screwdriver ¼” flat blade screwdriver soldering gun or large iron rosin core solder large needle nosed pliers keeper installation tool (supplied with kit) ruler with metric millimeter markings ...
- Page 3 P a g e | 3 "keeper" (see Table 1 and Figure 1). The reflector is the longest element, and each succeeding director is slightly shorter. DIR # 14 is the shortest. The keeper must be installed as shown in Fig. 2.Using the aluminum tubing tool supplied, slide the keeper to within 1/8" or 3 mm.
- Page 4 P a g e | 4 Locate the two brass T-arms. Both are preformed- one is straight with a flattened end, while the other is bent and flattened on one end. Locate also the brass T-match bars, and position them on the brass driven element as shown in figure 4.Match bars and position them on the brass driven element as shown in Figure 4.
- Page 5 P a g e | 5 Trim the excess T-Match rods as shown in Figure 4. 10.90" or 277mm is the proper dimension as measured from the midpoint of the connector to the end of the wire. The T- Match bars should be now set to the indicated position in Figure 4. Note that they are slightly tilted.
- Page 6 P a g e | 6 Directive Systems Warranty Policy All Directive Systems antennas are built with the finest materials available. We take great pride in building a quality product that will give years of good service and performance. If there is a defect in materials or workmanship within 90 days of purchase, Directive Systems will repair or replace, free of charge, the defective part.
Need help?
Do you have a question about the DSEFO222-16 and is the answer not in the manual?
Questions and answers