[Fwd: Variable E.M. Field Strengths]

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2 total messages Started by Joe Vrankovic Sat, 17 Jan 1998 00:00

Author: Joe Vrankovic
Date: Sat, 17 Jan 1998 00:00

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Date: Sat, 17 Jan 1998 16:55:35 -0500
From: Lyman Gifford <ve3beg@tfmcs.org>
Organization: Toronto FM Communications Society, Inc.
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To: Joe Vrankovic <va3vis@rac.ca>
Subject: Re: Variable E.M. Field Strengths
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Joe, how much fluctuation? RF at those freqs  mentioned (circa 850MHz) is
susceptible to atmospherics, ie absorption by precipitation, wet leaves,
passing bodies..are you noting momentary or consistent average
fluctuations? I am sure the ionosphere has nothing to do with it. Thanks
for the CC
cheers, Lyman

Joe Vrankovic wrote:

> Has anyone noticed EMF fluctuations at ~34cm on the signal strength
> meter of a cellular phone?  I have observed that at different times of
> the day, the signal strength may vary.  Would this have anything to do
> with solar flux activity?  I know that solar flux activity affects HF.
> I can't come up with any ideas because we are not talking great
> distances here between the base station and the mobile unit.
>
> Suggestions anyone?

--
Lyman Gifford, ve3beg@tfmcs.org    Packet: VE3BEG@VA3BBS
Pres. Toronto FM Communications Society, editor TFM NewsLetter
TFMCS: PO Box 427, Station A, Willowdale, ON M2N 5T1
Membership: Randy Wallace ve3ins@tfmcs.org (416) 283-0621





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Re: [Fwd: Variable E.M. Field Strengths]

Author: Joe Vrankovic
Date: Sat, 17 Jan 1998 00:00

17 lines
1581 bytes

I'd say that I could see the signal strength meter move from time-to-time.  All I know is that it happens; I haven't yet made
any kind of correlation between wet and dry days and cold and warm days.  I was hoping someone in these newsgroups would
have.  Has anyone noticed these effects on the PCS band at 1.9GHz?


> Joe, how much fluctuation? RF at those freqs  mentioned (circa 850MHz) is
> susceptible to atmospherics, ie absorption by precipitation, wet leaves,
> passing bodies..are you noting momentary or consistent average
> fluctuations? I am sure the ionosphere has nothing to do with it. Thanks
> for the CC
>
> --
> Lyman Gifford, ve3beg@tfmcs.org    Packet: VE3BEG@VA3BBS
> Pres. Toronto FM Communications Society, editor TFM NewsLetter
> TFMCS: PO Box 427, Station A, Willowdale, ON M2N 5T1
> Membership: Randy Wallace ve3ins@tfmcs.org (416) 283-0621

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