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G8MNY > TECH 17.10.08 08:54l 45 Lines 1545 Bytes #999 (0) @ WW
BID : 5650_GB7CIP
Read: GUEST
Subj: 70cm 8el Yagi
Path: DB0FHN<DB0MRW<DB0ERF<DB0FBB<DB0IUZ<DB0OVN<DB0GOS<ON0AR<HS1LMV<HS3LIQ<
VK2DOT<ED1ZAC<GB7CIP
Sent: 081016/2359Z @:GB7CIP.#32.GBR.EU #:5650 [Caterham] $:5650_GB7CIP
From: G8MNY@GB7CIP.#32.GBR.EU
To : TECH@WW
(8 Bit ASCII Graphics use code page 473 or 850)
旼컴컴컴컴컴컴컴컴컴컴컴컴컴�
� 70cms 8 ELEMENT YAGI BEAM �
읕컴컴컴컴컴컴컴컴컴컴컴컴컴�
Hole to Hole Spacings Element Length
��
컴컴캘픔컴컴 < 337mm
167mm > 볶
袴袴攷勁袴袴 < 310mm { DRIVER }
77mm > 볶
컴컴캘픔컴컴 < 289mm
125mm > 볶
컴컴캘픔컴컴 < 289mm
146mm > 볶
컴컴캘픔컴컴 < 283mm
182mm > 볶
컴컴캘픔컴컴 < 283mm
191mm > 볶
컴컴캘픔컴컴 < 277mm
247mm > 볶
컴컴캘픔컴컴 < 277mm
횝
FRONT
Boom Length = 1.48 m. Boom dia = 15mm x 15mm (square).
All Element dia = 12mm. Driven Element = Folded Dipole
This Yagi should not need a balun as it will resonate
under it's own merit.
The above design has not just been drawn by myself, I have constructed this
antenna a number of times & it WILL work and a V.S.W.R of less than 1 to 1.2
can be achieved.
73 de Alan 2E1ESY @GB7NND.#23.GBR.EU
Why Don't U send an interesting bul?
73 De John, G8MNY @ GB7CIP
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