222MHz DX EME Antenna 222DX12AP 1.25m Band

Low noise, excellent gain 1.25m 222MHz DX EME Antenna 222DX12AP. Devoted for low noise EME and DX hunting. Flat low SWR from 222MHz to 224 MHz.

 

1.25m band 222MHz DX EME antenna 222DX12AP appearance:

 

What does 222DX12AP mean?

• 222 – 222MHz – 1.25m band
• DX – Covers 222-224MHz
• 12 – 12 elements
• A – Boom parts less or equal to 1.2m
• P – Power version (1200W)

 

Electrical Specifications of 222MHz DX EME Antenna 222DX12AP

Frequency Range: 222 – 224 MHz
Free Space Forward Gain: 15.6 dBi
Front-to-Back Ratio: 32 dB
-3 dB Horizontal Beamwidth: 32°
Polarization: Horizontal
Nominal Input Impedance: 50 Ohms
SWR Across Entire Band: < 1.2
Maximum Power Input: 1200W ((By order “E” version 1800W)
Matching Method: Direct feed through common mode choke (current balun)
Connector: “N” (or 7/16 DIN by request)

 

Extra power versions of 222MHz DX EME Antenna 222DX12AP 1.25m band

“E” – Extra power 7/16 DIN Input connector 7mm SM250 Teflon balun cable: 2000W 222DX12AE

 

Mechanical Specifications of 222MHz DX EME Antenna 222DX12AP 1.25m band

Number of elements: 12
Element Diameter: 8 mm Aluminum tube
Dipole Diameter: 8 mm Hard Copper tube plastic coated
Balun and Connector: Included
Longest element: 662 mm
Element Mounting Position: Below the Boom
Boom Length: 4.7 m
Tapered Boom: 30x30mm, 20x20mm
The number of Boom Pieces: 4
Guy rope support: Not necessary. Strong boom
Mounting Mast Diameter: 43 – 70 mm 1-11/16″ – 2-3/4″ OD
Survival Wind Speed: 220km/h
Net Weight: 4.6 kg
Gross Weight: 6 kg
Transportation Length: 1.19 meters (Airplane Checked Baggage Length)

 

Yagi 222MHz DX EME Antenna 1.25m band 222DX12AP Measurements:

S11 Measurement:

 

Perfect SWR on 1.25m 222DX12AP Yagi

 

Dipole with HairPin view of 222DX12AP 1.25m antenna 12 elements

 

 

YouTube video about 1.25 meter 12 Element 222MHz DX EME Antenna:

 

 

The old name of the antenna was PA222-12-4.7AP

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