The Best 70 cm antenna on an 8-meter boom! PA432-30-8BGP

432 MHz ultimate design 8-meter boom and 30 elements super low noise Yagi antenna with excellent gain and perfect F/B and G/T.

Ideal for EME, Q65, and contests. The best G/T antenna compared to all other antennas in the boom length range up to 9 m.

 

Electrical Specifications

Frequency Range: 432 – 434 MHz
Free Space Forward Gain: 20.4 dBi
Front-to-Back Ratio: 38 dB
-3 dB Horizontal Beamwidth: 20°
Polarization: Horizontal
Nominal Input Impedance: 50 Ohms
SWR Across Entire Band: < 1.2
Maximum Power Input: 850W (more by request)
Matching Method: Direct feed through a current balun. Teflon RG-142 cable
Connector: “N” (or 7/16 DIN by request)

Mechanical Specifications

Number of elements: 30
Element Diameter: 4 mm Aluminum rod
Dipole Diameter: 8 mm Hard Copper tube plastic coated
Longest element: 340 mm
Boom Length: 8 m
Tapered Boom: 40x40mm, 30x30mm, 20x20mm
The number of Boom Pieces: 6
Turning Radius: 4.5 meter
Guy rope support: Yes, Included
Mounting Mast Diameter: 43 – 70 mm 1-11/16″ – 2-3/4″ OD
Clamp: 2 x M8 Stainless Steel
Survival Wind Speed: 150 km/h
Net Weight: 10 kg
Gross Weight: 11.8 kg
Transportation Length: 1.5 meter

70 cm antenna on 8-meter boom measurements. The antenna was tested with HP8753ES calibrated at the cable end.

S11 measurements on PA432-30-8BGP. Return loss is better than -32 dB!

 

 

SWR Measurement on PA432-30-8BGP. SWR is flat and better than 1.1 across the measured band.

 

 

Smith chart on 70 cm antenna on 8-meter boom. Perfect adjustment! 50 Ohms.

 

 

Antenna details

1. Copper dipole. Balun with an “N” connector comes with the antenna. After antenna assembling just plug the antenna and make contacts. Nothing to tune. Nothing to measure.

 

2. Antenna comes with a strong bracket. Designed for poles from 43 – 70 mm 1-11/16″ – 2-3/4″ OD

 

 

All our 70 cm antennas are here: 70 cm antennas