[gps-talkusers] Re: GPS Amplifiers
- From: Michael May <MikeMay@xxxxxxxxxxxxxxxx>
- To: gps-talkusers@xxxxxxxxxxxxx
- Date: Wed, 02 Jun 2004 07:33:31 -0700
Indeed, most receivers should work with the BrailleNote and there are
plenty of GPS receivers with external antenna jacks.
Mike
At 01:23 PM 6/1/2004, you wrote:
>No, I don't think it was a dumb question.
>
>I'm going to go out on a limb here and say that any gps receiver, which
>provides an NMEA 0183 interface, is compatible. This means you may not
>be able to call Sendaro up and ask for help, but certainly you can buy
>one that accepts an external antena connection, and then buy a pre-amp.
>It's possible that one of the models that Sendaro supports does allow
>for an external antena to be connected, I don't know.
>
>It's also possible that an external antenawith a pre-amp still won't
>work any better indoors; buildings tend to generate a lot of RF, and my
>impression is that pre-amps don't work well in those situations.
>
>You could try asking on one of the gps news groups
>(sci.geo.satellite-nav or alt.satellite.gps). Those folks know (and I
>really mean know, many of them are engineers for companies that design
>GPS receivers) things like this.
>
>Hth,
>
>Chip
>
>
>
> > -----Original Message-----
> > From: gps-talkusers-bounce@xxxxxxxxxxxxx=20
> > [mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of=20
> > Stephen Bennett
> > Sent: Sunday, May 30, 2004 6:46 PM
> > To: gps-talkusers@xxxxxxxxxxxxx
> > Subject: [gps-talkusers] Re: GPS Amplifiers
> >=20
> > Hi Chip and All
> >=20
> > Yeah that's what I was thinking but I guess a dumb question=20
> > since I presume that none of the compatible receivers can=20
> > take an external antenna.
> >=20
> > S
> >=20
> >=20
> > -----Original Message-----
> > From: Chip Orange [mailto:Corange@xxxxxxxxxxxxxxx]
> > Sent: Saturday, 29 May 2004 3:44 a.m.
> > To: gps-talkusers@xxxxxxxxxxxxx
> > Subject: [gps-talkusers] Re: GPS Amplifiers
> >=20
> >=20
> > Charles,
> >=20
> > I don't think he was refering to the stationary amplifiers=20
> > you described,
> > but the portible ones (probably better described as
> > pre-amplifiers) that sit between the antena and the receiver.
> >=20
> > I don't know anything about their effectiveness, especially=20
> > indoors, but
> > perhaps you do?
> >=20
> > Chip
> >=20
> > =3D20
> >=20
> > > -----Original Message-----
> > > From: gps-talkusers-bounce@xxxxxxxxxxxxx=3D20
> > > [mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of=3D20=20
> > Charles=20
> > >La Pierre
> > > Sent: Thursday, May 27, 2004 11:37 PM
> > > To: gps-talkusers@xxxxxxxxxxxxx
> > > Subject: [gps-talkusers] Re: GPS Amplifiers
> > >=3D20
> > > The problem is that the antenna which is picking up the=3D20 =20
> > signal is=20
> > >stationary outside the building and all you are=3D20 getting is that =
>
> > >position amplified indoors. This is great=3D20 for a demo where you =
>
> > >need a GPS signal but does not really=3D20 pinpoint your=20
> > position inside=20
> > >of the building. Charles.
> > >=3D20
> > > At 03:03 PM 5/27/2004, you wrote:
> > > >Hi All
> > > >
> > > >I've read on various web sites about amplifying the received=3D20
> > > signal for=3D20
> > > >use indoors. Does anyone know whether any of these amps are=3D20
> > > serial and=3D20
> > > >are there any other issues which would make them=3D20
> > > incompatible with our software?
> > > >
> > > >Cheers
> > > >
> > > >Stephen
> > >=3D20
> > > Charles M. La Pierre CTO
> > > Sendero Group, LLC
> > >=3D20
> > > Lat. 37 15' 25" N Lon: 121 53' 04" W
> > >=3D20
> > >=3D20
> > >=3D20
> > >=3D20
> >=20
> >=20
Michael G. May
CEO Sendero Group
Developers and distributors of BrailleNote GPS
Now distributing BrailleNote, VoiceNote, Miniguide, The Tissot Silen-T
tactile watch and the ID Mate, bar code reader
MikeMay@xxxxxxxxxxxxxxxx
http://www.SenderoGroup.com
(530) 757-6800, Fax (530) 757-6830, Mobile (530) 304-0007
Sendero Group, LLC
1118 Maple Lane, Davis, CA 95616-1723, USA
Latitude, 38 33 9.239 North
Longitude, 121 45 40.145 West
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