PERFORMANCES: (No Loss Condition)

ANTENNA Y21010XL8 Short comment: Not impressive performances in SWR bandwidth and, even, gain. However, good results obtained when stacked in diamond form

PERFORMANCES: (No loss condition)

L G F/B F/Sh F/Sv Hor Ver Temp G/T TYPE ELE (mm) (dBi) (dB) (dBi) (dBi) (◦) (◦) (◦K) (dB) Y21010XL8 10 5225 14,64 25,70 22,43 17,36 36,0 39,6 229,8 -8,97 * ΔF given for SWR=1,5

PERFORMANCES: (Losses included)

Element material G (dBi) Temp (◦K) G/T (dB) Aluminum rods 14,60 230,6 -9,03

COMPARISON

Gain G/T Antenna Boomlength (mm) Material TA (◦K) Bandwidth (MHz) (dBi) (dB) No loss 14,64 229,8 -8,97 Y21010XL8 5225 143,000-145,450 Aluminum 14,60 230,6 -9,03 No loss 14,12 224,1 -9,38 EF0210-5LT 5190 142,000-145,790 Aluminum 14,01 246,0 -9,53

DIMENSIONS:

Ref De1 De2 D1 D2 D3 D4 D5 D6 D7 D8 Pos 0 315 535 645 975 1455 2024 2758 3587 4461 5225 - All elements made of Al rods Ǿ10 mm - All dimensions given in milimetres Length 1000 920 880 937 925 903 887 874 862 846 832

DIAGRAMS (no loss included)

DIAGRAMS (losses included)

Four stacked antennas, horizontally 320, vertically 300 cm, no loss

Four stacked antennas, horizontally 320, vertically 300 cm, Aluminum

G F/B F/Sh F/Sv Hor Ver Temp G/T TYPE CONDITION (dBi) (dB) (dBi) (dBi) (◦) (◦) (◦K) (dB) No loss 20,45 26,66 12,17 12,11 16,6 18,2 226.8 -3,11 4xY21010XL8 Aluminum 20,41 26,60 12,19 12,13 16,6 18,2 227,4 -3,16

Four antennas, stacked in diamond form, horizontally 420, vertically 520 cm, no loss

Four antennas, stacked in diamond form, horizontally 420, vertically 520 cm, Aluminum

G F/B F/Sh F/Sv Hor Ver Temp G/T TYPE CONDITION (dBi) (dB) (dBi) (dBi) (◦) (◦) (◦K) (dB) 4xY21010XL8 No loss 20,65 25,80 28,04 20,34 18,2 15,4 216,1 -2,70 in diamond Aluminum 20,61 25,75 28,01 20,32 18,2 15,4 216,9 -2,75 stack