ANTENNA X234205XL3QAG

 

DESCRIPTION

 

Radiator

Number of  yagi elements

Boomlength (mm)

 

Double rectangle

41

1685

       

 

PERFORMANCES (loss included, KF2YN correction applied)

G

(dBi)

F/B

(dB)

F/Sh

(dBi)

F/Sv

(dBi)

Hor

(◦)

Ver

(◦)

Temp

(◦K)

Tlos

(K)

G/T

(dB)

19.50

29.95

16.63

17.94

22.0

19.2

16.0

3.6

+7.45

 

DIMENSIONS

 

Ref

De

D1, D2

D3,D4

D5,D6

D7,D8

D9,D10

D11,D12

D13,D14

D15,D16

D17,D18

D19,D20

Position

0

35

59

106

155

204

265

341

424

515

608

706

Length

109.5

93.0

96.0

94.0

93.0

90.5

90.5

89.0

87.0

86.0

84.0

83.0

Height

0

±25.0

±24.0

±39.5

±52.0

±62.0

±70.0

±77.0

±82.0

±85.0

±86.5

±87.5

 

D21,D22

D23,D24

D25, D26

D27,D28

D29,D30

D31,D32

D33,D34

D35,D36

D37,D38

D39,D40

 

 

Position

806

906

1006

1106

1206

1306

1406

1506

1604

1685

 

 

Length

82.0

81.0

80.5

80.5

79.5

78.5

78.5

78.5

78.5

78.5

 

 

Height

±88.5

±88.5

±88.5

±88.5

±88.5

±88.5

±88.5

±88.5

±87.5

±82.5

 

 

Remark

All elements made of Al rods Ǿ5 mm, except radiator which is Ǿ2.5 mm CuAg

All dimensions given in milimetres

No boom correction included.

 

 

CONSTRUCTION OF RADIATOR

Material: Silverplated copper wire Ø= 2.5 mm

H = 93.0 mm

V = 25 mm

 

 

DIAGRAMS

 

Horizontal and verticall pattern in free space, no loss condition

 

 

WORKING CONDITION

Frequency bandwidth for SWR=1.5 (MHz)

Z (Ώ)

at 1296.100 MHz

SWR

at 1300.000 MHz

Lowest

Highest

1225.000

1331.300

200.6

1.07:1

       

 

SWR DIAGRAMS (loss included for Al)

SWR curve for amateur bandwidth 1296 – 1300 MHz

Frequency bandwidth for SWR = 1.5

 

 

STACKING

(ALL DATA GIVEN IN ACCORDANCE WITH KF2YN CORRECTION, LOSS INCLUDED)

RECOMMENDED STACKING DISTANCES

 

Two antennas vertically

(mm)

Two antennas horizontally

(mm)

Four antennas in H-stack

(mm)

Horizontal distance

 

700

700

Vertical distance

840

 

840

TWO ANTENNAS STACKED VERTICALLY

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

840

22.56

16.0

3.6

+10.51

 

Two antennas stacked vertically

TWO ANTENNAS STACKED HORIZONTALLY

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

700

22.57

15.9

3.6

+10.55

 

Two antennas stacked horizontally

FOUR ANTENNAS IN H-STACK

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

H = 700

25.61

15.9

3.6

+13.59

V = 840

 

Four antennas in H-stack