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2 meter 9 Elements Antenna The Best Portable and EME PA144-9-5A
2 meter portable antenna 9 elements for VHF Contests and EME.
Excellent 2 meter portable antenna 9 elements. Packed “Checked Baggage” Length 119 cm. PA144-9-5A.
Highest Class Wide band Antenna 144 to 145 MHz. Perfect to take on VHF Contest or EME expedition. Designed to pass Airline Luggage Restrictions. Excellent Low noise design.
The best 9 elements Yagi antenna with highest possible gain for its length. Great for Terrestrial VHF Contest or EME work.
Electrical Specifications 2 meter | |
Frequency Range: |
144 – 145 MHz |
Free Space Forward Gain: | 14.3 dBi |
Front to Back Ratio: |
32 dB |
3 dB Horizontal Beamwidth: | 37° |
3 dB Vertical Beamwidth: | 40.2° |
G/T | tbd. |
Polarization | Horizontal or Vertical |
Nominal Input Impedance: | 50 Ohms |
SWR Across Entire Band: | < 1.2 |
Maximum Power Input: | More than 500 W, 1500 W available |
Matching Method: | Direct feed through common mode balun |
Connector: | “N” |
Mechanical Specifications 2 meter | |
Number of elements: | 9 |
Element Diameter: | 8 mm Aluminum tube |
Dipole Diameter: | 8 mm Hard Copper tube |
Longest element: | 1040 mm |
Element Mounting Position: | Below the Boom |
Balun and Connector: | Included |
Boom Length: | 4.67 m |
Boom Size: | 30 x 30 mm + 20 x 20 mm |
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: | 150 km/h |
Transportation Length: | 1.19 m |
Antenna Weight: | 6.5 kg |
Gross Weight: | 8.5 kg |
2 meter Yagi Antenna 9 element Vertical Stacking Distances for F/S -12.5 dB:
2 Antennas | 2.95 m for Gain 17.2 dBi (+2.9 dB) |
4 Antennas | 3.05 m for Gain 20.2 dBi (+5.9 dB) |
144 MHz 9 element Yagi Antenna Horizontal Stacking Distances for F/S -12.5 dB:
2 Antennas | 3.15 m for Gain 17.2 dBi (+2.9 dB) |
4 Antennas | 3.3 m for Gain 20.2 dBi (+5.9 dB) |
Lower gain and better suppression of sidelobes. Sometimes good in urban (high noise) area:
Horizontal stack 2.6 m for gain 16.93 dBi F/S< -18.7 dB
Horizontal stack 2.75 m for gain 17.04 dBi F/S< -16.5 dB
Vertical stack 2.5 m for gain 16.95 dBi F/S< -17 dB
Or anything between…
2m VHF contest and EME Low Noise Antenna. Two antennas divider and two LMR-400 cables.
Packed to pass Airline Checked-in Luggage Size Restrictions.
9 element 144 MHz Contest antenna, low noise pickup. Dipole, balun and “N” connector detail.
Bracket view of PA144-9-5A VHF Terrestrial Contest or EME Antenna. Bracket and Boom join view.
By Order Wing Nuts for easy assembling and disassembling.
2 meter Low noise antenna 9 elements. Different boom sizes view joins.
Perfect SWR on built 9 elements 2 meter portable Low Noise Antenna. Less than 1.15 at the band ends.
On working frequencies less than 1.05.
Another view of perfect Low Noise Antenna PA144-9-5A.
Excellent choice 9 element EME and VHF Contest Tropo Yagi antenna.
Lee WW2DX will use this antennas on his EME expedition CY9C
Ultimate design with with latest professional full-3D electromagnetic modelling software.
Not possible with EZNEC Pro/4 – NEC4.2 engine, 4NEC2, EZNEC, YO or AO except by accident.
Or tinkering with antenna elements or spacings.
Additional information
Weight | 5,9 kg |
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Dimensions | 119 × 15 × 14 cm |
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