ANTENNA X234805XL2QAG

 

DESCRIPTION

 

Radiator

Number of  yagi elements

Boomlength (mm)

 

Double rectangle

47

1985

       

 

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)

20.07

36.09

14.77

17.65

20.2

18.1

16.0

3.9

+8.02

 

DIMENSIONS

 

Ref

De

D1, D2

D3, D4

D5, D6

D7, D8

D9, D10

D11, D12

D13, D14

Position

0

36

60

106

155

204

265

340

423

Length

109.0

93.0

96.5

94.5

93.5

91.0

91.0

89.5

87.5

Height

0

±24.0

±25.0

±40.0

±52.0

±62.0

±70.0

±77.0

±82.0

 

D15, D16

D17, D18

D19, D20

D21, D22

D23, D24

D25, D26

D27, D28

D29, D30

D31, D32

Position

515

608

705

804

906

1008

1108

1208

1308

Length

85.5

85.0

83.0

81.5

81.0

80.5

80.5

80.5

80.5

Height

±85.0

±86.5

±87.5

±88.5

±89.5

±89.5

±91.5

±91.5

±92.5

 

D33, D34

D35, D36

D37, D38

D39, D40

D41, D42

D43, D44

D45, D46

 

 

Position

1408

1508

1606

1707

1808

1904

1985

 

 

Length

80.5

80.5

79.5

79.0

77.0

77.0

76.0

 

 

Height

±92.5

±92.5

±93.5

±92.5

±91.5

±90.5

±83.0

 

 

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 = 24 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

1229.000

1327.000

200.1

1.04:1

       

 

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

 

760

760

Vertical distance

880

 

880

TWO ANTENNAS STACKED VERTICALLY

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

880

23.13

15.9

3.9

+11.10

 

Two antennas stacked vertically

TWO ANTENNAS STACKED HORIZONTALLY

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

760

23.15

15.9

3.9

+11.12

 

Two antennas stacked horizontally

FOUR ANTENNAS IN H-STACK

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

H = 760

26.19

15.9

3.9

+14.16

V = 880

 

Four antennas in H-stack