DSEFO144-6RS Rev 1/21
Directive Systems & Engineering
2702 Rodgers Terrace
Haymarket, VA 20169-1628
www.directivesystems.com
703-754-3876
6 Element 144-145 MHz “Rover Special Yagi, Model DSE144-6RS
ELECTRICAL SPECIFICATIONS
Frequency range: MHz ..................... 144-145
Gain: ................................................. 10.1 dBd (12.25 dBi)
Impedance: Ohms.............................. 50
Connector type................................... Type N(F) UG-58/U
Front -to- back ratio: dB...................... 21
SWR: Typical at resonance................
≅
1.2:1
Beamwidth: degrees
E- Plane ................................. 44°
H- Plane ................................. 52°
Sidelobe level: decibels
E- Plane ................................. -24
H- Plane ................................. -18
Power rating, Continuous: Watts ...... 1500
Stacking Distance: in.(m)
E- Plane.................................. 98
” (2.489)
H- Plane.................................. 91
” (2.311)
MECHANICAL SPECIFICATIONS
Boom length: in. (m.)........................... 96
” (2.438)
Turning radius: in. (m.)........................ 54
” (1.372)
Weight Assembled: Lbs (kg.).............. 3.5 (1.59)
Max mast size: in. (cm.).......................2.0
” (3.81)
Wind surface area: Ft
2
(m.
2
) ............... 0.67 (.062)
Wind Survival: Mph (km/hr)................. 100 (160)
PARTS LIST
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.
