Electrical Data

Frequency Ranges* – MHz A = 150-160, B = 155-165, C = 164-174, E = 138-150, J = 276-285, JJ = 220-222

Bandwidth (150-174 MHz) – MHz 10

VSWR 1.5 to 1 or less

Nominal impedance – ohms 50

Gain (over half-wave dipole)

- Omni pattern – dBd 6.0

- Offset pattern – dBd 9.0

Maximum power input – watts 500

Vertical beamwidth (half power points) 16°

Decoupling between antennas (split models) – dB 35 minimum

Lightning protection Direct ground

Standard Termination: Captive Type N-Male attached to end of flexible lead.

Mechanical Data

Mast – upper (aluminum) – in. (mm) 1.75 (44.45) OD with .062 to .125 (1.57 to 3.18) wall

Mast – lower (aluminum) – in. (mm) 2 (50.8) OD with .125 to .187 (3.18 to 4.75) wall

Radiating elements (aluminum) – in. (mm) .5 (12.7) OD with .058 (1.47) wall

Maximum exposed area (flat plate equivalent) – ft2 (m2) 3.15 (.292)

Lateral thrust at 100 mph (161 km/hr) – lbf (N) 126 (560.5)

Overall length (150-174 MHz) – in. (mm) 255 (6477)

Shipping length – in. (mm) 148 (3759)

Net weight (w/clamps) – lbs. (kg) 32 (14.51)

Shipping weight (w/clamps) – lbs. (kg) 48 (21.77)

Mounting clamps (Galv. steel) DB365-OS