[Antennas] ER biomedical equipement antenna?

Tue, 13 Apr 2004 22:27:53 -0400

Don't forget to check out the IF frequencies.  There may be some
problems there too.

Buck

> -----Original Message-----
> From: Eric Lemmon [mailto:[email protected]]=20
> Sent: Saturday, April 10, 2004 10:47 AM
> To: KOCQW; [email protected]
> Subject: Re: [Antennas] ER biomedical equipement antenna?
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> John,
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> Ask the person who made that claim to explain his or her=20
> rationale.  You might also make a table of harmonics, using=20
> 3.860 MHz as the base, to see if any of them fall on a=20
> frequency used for medical radio, physician paging, or=20
> wireless patient monitors.  There are dozens of medical=20
> diagnostic tools which use RF at various frequencies, and the=20
> specific frequencies may not be revealed in the service=20
> literature- but which may suffer interference from an AM or=20
> SSB signal.
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> I infer from your question that you intend to operate on a=20
> single, fixed frequency.  If you will operate on a number of=20
> different frequencies, the potential for random interference=20
> with sensitive medical equipment is high.
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> I suggest that you proceed very cautiously in this endeavor. =20
> If there is the slightest possibility that your HF emissions=20
> can endanger patients, either directly or indirectly, I'd put=20
> the radio somewhere else.
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> 73, Eric Lemmon WB6FLY
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> KOCQW wrote:
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> > I was going to put in a antenna for 75m in or hospital=20
> along with vhf=20
> > / uhf antennas.
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> > I was told the 75 m antenna would interfere with the ER biomedical=20
> > equipment , The antenna would be for 3.860 dipole type.
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> > Has any one experienced this?
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> > Thanks de John K=D8CQW
> > - - -
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> > Larry Wilson KE1HZ [email protected]=20
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