good idea I have an SDR IQ which allows a slice of spectrum to be recorded
and then replayed I can snag a copy of the issue and then have some
reproducible signal interference
to show
tnx
Bob K3DJC
On Wed, Nov 30, 2011 at 3:38 PM, George <ve3yv@pathcom.com> wrote:
> Bob - call the hospital switchboard and ask to speak with the director of
> engineering. He/she is the person that worries about electrical problems
> (and probably also renews the licenses for the hospital RF -based systems)
> in addition to all of the other physical plant systems. They're usually
> very nice people to deal with if approached in a positive,
> non-confrontational manner, explaining your observations and your
> speculation as to what the cause may be. They should be receptive as after
> all, their job is to make sure that all systems are safe and operational -
> noise is often a precursor to failure and interference potential to other
> sensitive medical equipment (why cell phones, etc aren't allowed). They
> are
> also very busy, so offering to meet at a time convenient to them and help
> sniff the problem out may be welcome. As it might be an elevator, they
> probably have an external party maintaining them, so it could require them
> to do some coordination. Whatever, don't decide to visit the hospital and
> investigate on your own. Also, citing interference with ham radio as why
> you're concerned when they're in a life saving environment isn't going to
> be
> very effective either.
>
> GL
>
> 73, George VE3YV / K8HI
>
>
> -----Original Message-----
>
> Message: 1
> Date: Tue, 29 Nov 2011 23:08:19 -0500
> From: k3djc Riese <bobk3djc@gmail.com>
> Subject: Re: [RFI] wde band noise
> To: KD7JYK DM09 <kd7jyk@earthlink.net>
> Cc: RFI@contesting.com
> Message-ID:
> <CADMsckpQ_=Sm1k33zAyx6v6cX3_pqHyt=TGEq=5Smq+fdJHDXA@mail.gmail.com
> >
> Content-Type: text/plain; charset=ISO-8859-1
>
> OK the LF list allows a 20 K attachment and folk send small Jpg of QRSS
> capture this noise I suspect is from a Flat screen TV abd has pretty well
> moved out of the frequency,, perhaps the set ? burned up the other are
> really annoying noise is from a switcher at the local hospital that is only
> there for 30 + seconds,, never long enough to get a bearing. Because of how
> it acts I believe it may be the controller for an elevator no Idea how to
> approach the hospital maintenance (#*%(#
>
> Bob K3DJC
>
> On Tue, Nov 29, 2011 at 8:34 PM, KD7JYK DM09 <kd7jyk@earthlink.net> wrote:
>
> > I doubt the list permits attachments, most don't to prevent the
> > propagation of viruses. As for the file size, 11 KHz monaural for
> > thirty seconds is usually more than adequate to ID a signal and is
> > around 100 KB. You could make a small recording, then provide to those
> who request it for ID.
> >
> > Kurt
> >
> > ----- Original Message -----
> > From: "k3djc Riese" <bobk3djc@gmail.com>
> >
> > : so that would be a big file and I can send it through the reflector ??
> >
> >
>
>
>
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