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I read some articles and one is in ARRL Antenna Compendium Vol. 7, p. 25-30, Computer Modeling the HF Mobile Antenna. According to this article short wires with only one segment per wire is problematic and this is the problem I have with my Eznec segment limitation of 500 segments per model.

The article does indicate that the impedance at 30MHz was 82 ohms on the small mobile object they used and a HP 4085A Vector Impedance meter was used in these determinations.

[QUOTE="Marconi, post: 578810, member: 903"] I read some articles and one is in ARRL Antenna Compendium Vol. 7, p. 25-30, Computer Modeling the HF Mobile Antenna. According to this article short wires with only one segment per wire is problematic and this is the problem I have with my Eznec segment limitation of 500 segments per model. The article does indicate that the impedance at 30MHz was 82 ohms on the small mobile object they used and a HP 4085A Vector Impedance meter was used in these determinations. [/QUOTE]

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