NEC-LIST: Contact info for Dr Gary Evans?

Dear all,

I am sending this on behalf of my brother Dirk Baker. We would
appreciate any inputs.

Best regards,
Duncan Baker.

Dirk Baker wrote:
>
> In his book Antenna Measurement Techniques (Chapter 4.3.3), Artech
> House 1990, Dr Gary Evans descibes a technique to transform antenna
> measurements made at finite range length (not true near field
> scanning) to the far field using a transform much simpler than that
> used in cylindrical near field scanning, for example. In a
> conventional anechoic chamber or outdoor range this means that one
> need not have the near field scanners.
>
> We are measuring an electronically scanned linear array with beam
> shaping and null fill at a range of Dsquared/wavelength. To get the
> true pattern we need to transform to the far field. The antenna is
> to be used as a base station antenna for GSM1800. We would like to
> contact Dr Evans or anybody else who has used this technique and who
> may have a computer program available that we could have access to
> so that we can perform the transform. Our antenna measurements
> include the amplitude and phase responses and these will serve as
> input to the code.
>
> Any assistance will be greatly appreciated.
>
> Regards, Dirk

--
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Prof. Duncan C. Baker (Pr. Eng., FIEEE, FSAIEE, Sci. Nat.)
Dept. of Electrical and Electronic Eng.,
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