432 MHz Loggi - Optimized for
High Gain, High G/T and high F/R This
particular Loggi was created and optimized for high gain, high G/T and
a high F/R at 432.1 MHz. The plots are shown below.
Here
is the NEC2 file.
Loggi
432-31
Performance
Electrical
Performance at 432.1
0.125"
Element Diameter
Directive
Gain (dBi)
16.63
E-Plane F/R (dB)
36.67
H-Plane
F/R (dB)
35.2
E-Plane 1st Sidelobe (dB)
-21
H-Plane 1st Sidelobe
(dB)
-18.6
E-Plane Beamwidth
(deg)
29
H-Plane Beamwidth
(deg)
30
Max VSWR (432-434
MHz)
1.45 4 bay G/T (dB) at 58" x 58" spacing 7.26
Mechanical Performance:
Boom
Length 9.5
feet
2.9 m
4.18
wavelength at 432.1 MHz
Recommended Feed Boom diameters: 0.75" to 1.0" square (DX
Engineering or On-Line
Metals)
Recommended element sources: On-Line
Metals, McMaster-Carr
