Practical_Antenna_Handbook_0071639586

24.07.2018 Views

C h a p t e r 6 : D i p o l e s a n d D o u b l e t s 201 10 K 9 8 7 6 5 4 10% Inductive reactance (X L ) of coil (ohms) 3 2 1000 9 8 7 6 5 50% 4 3 2 90% 100 9 80 8 7 0 10 20 30 40 50 60 70 80 90 100 Coil location as a percentage of element length Figure 6.15 Inductive reactance versus coil location for shortened inductance-loaded dipole.

202 4 (Approx.) Support L L Suppor INS INS INS Feedline Halyard 4 - L 4 - L I N S Twine or Rope Twine or Rope I N S Tie point Tie point Figure 6.16 Bent dipole.

202<br />

4 (Approx.)<br />

Support<br />

L<br />

L<br />

Suppor<br />

INS<br />

INS<br />

INS<br />

Feedline<br />

Halyard<br />

4 - L<br />

4 - L<br />

I<br />

N<br />

S<br />

Twine<br />

or<br />

Rope<br />

Twine<br />

or<br />

Rope<br />

I<br />

N<br />

S<br />

Tie point<br />

Tie point<br />

Figure 6.16 Bent dipole.

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