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Hi,
For a whip, much shorter than a quarter wave against a poor ground - who knows? However, you want a number? So here's a number; 2 - j500 and it won't be too far wrong. The name of the game in such a situation is "Suck-it and see." Make an intelligent guess at what the impedance is likely to be, rig up a far-field meter and adjust the tap/link/network until it peaks. Then go out for a curry and maybe a drink or two or... Alternatively, buy an antenna book and RTFM :-) Cheers - Joe |
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