PRC as a amplifier in GPS question.

[Atheist Chaplain]

"Kwyjibo" <kwyjibo@ozdebate.remove.com> wrote in message
news:z9adnQS1vorFLYrVnZ2dnUVZ_umdnZ2d@westnet.com.au...

"Rod Speed" <rod.speed.aaa@gmail.com> wrote in message
news:67pj86F2prb2kU1@mid.individual.net...
Trevor Wilson <trevor@_SPAMBLOCK_rageaudio.com.au> wrote
Saab C900 Viggenist <c900@lios.apana.org.au> wrote
Trevor Wilson <trevor@_SPAMBLOCK_rageaudio.com.au> wrote
Snapper <snapper1@y7mail.com> wrote
Trevor Wilson wrote

Get a GPS equipped 'phone on a plan. Stick it in a plastic bag.

Why would you want to do that?

GPS phones aren't that great. OK for hiking, perhaps like using a
Garmin Etrex. But for car navigation you need something that can be
easily read,

Nope, at most you just glance at the current road name etc occasionally.

and heard, too.

Thats what you really want for most car use.

It needs to be able to be sat in a cradle.

I dont even do that with the TomTom, just sit it on the dash where its
a lot easier to enter a new destination on by picking it up than with it
stuck to the windscreen etc where its too far away for that.

Do any GPS phones, such as the N95 do that?

Yes, you can get a windscreen mount etc for the N95.

My 6110 Navigator does all that. And more. I can choose male of female
voice for directions. The N95 is better still. Bigger screen.
Nonetheless, for these 54 year old eyes, I can read the maps without
my reading glasses.
Of course, the Tom Tom is better, but is not as portable.

The 720 is, because its nice and thin with a decent big screen.
Still small enough to go in the pocket fine.

Except the phones still have one significant failing when using the
other functions in that they're phones, so to actually use them for a
call you generally can't look at the screen at the same time as talking
on a call without extra devices to help.

Wrong. There's this new-fangled technology in 'phones now. It's called
'loudspeaker 'phone'. It's only been around since the 1970s, so you may
be unaware of it's existence.

And before you mention it, phones with mp3 player capability are
illegal to use with the music player going and 'bud' earphones in your
ears when driving.

Indeed. Not everyone who uses a mobile 'phone drives.

Also, these phones aren't cheap and their plans less so. The N95 for
example, requires a subscription in order to download the maps as you
travel, and they also accumulate data usage which you also have to
pay for.

Bullshit. Both Nokias come equipped with maps for all of
Australia and more (for free). My 6110 costs me $50.00/
month with a shit load of 'phone calls (over $200.00 worth).

The data useage is still a significant cost if you buy
the phone outright and use a sim where you only
pay for calls and dont have any fixed monthly cost.


What data usage are you referring to? The 6110 will use data when you
activate 'assisted GPS' or whatever it's called to try to lock onto a GPS
signal quicker, but that can be turned off within the phone settings. The
maps can be downloaded using your PC then transfered over USB. Or are you
referring to general data usage? (web browsing etc.)

--
Kwyj.

how can aGPS help you to lock on to a satellite signal any quicker ??
that's just another rort by the Telco's to extort money from the gullible, I
though aGPS was to download things like voice direction and POI's (things
that were intentionally stripped out of the Telco supplied GPS software so
they could then charge you for it at exorbitant data transfer fee rates)

--
"Calling Atheism a religion is like calling bald a hair color."
Don Hirschberg

 

[Rod Speed]

Kwyjibo <kwyjibo@ozdebate.remove.com> wrote

Rod Speed <rod.speed.aaa@gmail.com> wrote
Trevor Wilson <trevor@_SPAMBLOCK_rageaudio.com.au> wrote
Saab C900 Viggenist <c900@lios.apana.org.au> wrote
Trevor Wilson <trevor@_SPAMBLOCK_rageaudio.com.au> wrote
Snapper <snapper1@y7mail.com> wrote
Trevor Wilson wrote

Get a GPS equipped 'phone on a plan. Stick it in a plastic bag.

Why would you want to do that?

GPS phones aren't that great. OK for hiking, perhaps like using a Garmin Etrex. But for car navigation you need
something that can be easily read,

Nope, at most you just glance at the current road name etc occasionally.

and heard, too.

Thats what you really want for most car use.

It needs to be able to be sat in a cradle.

I dont even do that with the TomTom, just sit it on the dash where
its a lot easier to enter a new destination on by picking it up than
with it stuck to the windscreen etc where its too far away for that.

Do any GPS phones, such as the N95 do that?

Yes, you can get a windscreen mount etc for the N95.

My 6110 Navigator does all that. And more. I can choose male of female voice for directions. The N95 is better
still. Bigger screen. Nonetheless, for these 54 year old eyes, I can read the maps without my reading glasses.

Of course, the Tom Tom is better, but is not as portable.

The 720 is, because its nice and thin with a decent big screen.
Still small enough to go in the pocket fine.

Except the phones still have one significant failing when using the other functions in that they're phones, so to
actually use them for a call you generally can't look at the screen at the same time as talking on a call without
extra devices to help.

Wrong. There's this new-fangled technology in 'phones now. It's called 'loudspeaker 'phone'. It's only been around
since the 1970s, so you may be unaware of it's existence.

And before you mention it, phones with mp3 player capability are illegal to use with the music player going and
'bud' earphones in your ears when driving.

Indeed. Not everyone who uses a mobile 'phone drives.

Also, these phones aren't cheap and their plans less so. The N95 for example, requires a subscription in order to
download the maps as you travel, and they also accumulate data usage which you also have to pay for.

Bullshit. Both Nokias come equipped with maps for all of
Australia and more (for free). My 6110 costs me $50.00/
month with a shit load of 'phone calls (over $200.00 worth).

The data useage is still a significant cost if you buy
the phone outright and use a sim where you only
pay for calls and dont have any fixed monthly cost.

What data usage are you referring to?

None, that was a general comment on mobile phone charged usage.

Its does get used with google maps tho, and those can be rather
more up to date than the map in the phone, and has extra info like
the individual house blocks even in country towns etc too.

The 6110 will use data when you activate 'assisted GPS' or whatever it's called to try to lock onto a GPS signal
quicker, but that can be turned off within the phone settings.

Sure, I wasnt commenting on that.

The maps can be downloaded using your PC then transfered over USB.

Yes, and I wasnt commenting on that either.

Or are you referring to general data usage? (web browsing etc.)

I didnt comment on the use of google maps, but that is one obvious data usage when out and about.

 

[Just JT]

"Mr.T" <MrT@home> wrote:

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:48169744$0$28623$9a6e19ea@unlimited.newshosting.com...
Idiot, you can buy one you can take from vehicle
to vehicle for less.
~~~~~~~~~~~~~~
You mean the one that easily gets STOLEN?!?!?! BWAHAHAHAHAHAWWWRRR!!!

Nah, the one that can be easily removed and used as a portable GPS (great
for hiking) or as a portable MP3 player or photo viewer.
Try that with your Lexus
~~~~~~~~~~~~~~

Those portable SAT-NAV devices can also be used for touch-control for my
Lexus? How abour rear-assist camera?

And of course the same people who break into cars to steal the radio,
would
never consider wrecking the dash to get yours out would they?
BWAHAHAHAHAHAWWWRRR!!!

~~~~~~~~~~~~~~

They won't. If they wreck it, it's useless to them.

Vandalism.yes.theft.no.

 

[Just JT]

"Mr.T" <MrT@home> wrote:

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:481696e1$0$28593$9a6e19ea@unlimited.newshosting.com...
~~~~~~~~~~~~
$250 is pretty reasonable for a navigation device IMO.

Agreed, it's the cost of the mapping that is still FAR too high. Just
try
and price a map upgrade for that $250 GPS, and you will throw it away
and
buy a new one!

~~~~~~~~~~~~
Then buy a NEW ONE!!!


Of course, but I wonder how many Melways/UBD's they would sell each year
if
they charged $250 for a new one?
~~~~~~~~~~~~~~~

Why buy a paper street directory when you can print directions from
http://whereis.com **FREE OF CHARGE***?

Isn't that what the OP was asking, why sales are not higher? The answer,
as
is often the case, is simple greed IMO.
~~~~~~~~~~~~~~

How about: TOUGH ECONOMIC TIMES? A lot of people have very tight financial
situations at the moment. A Sat-nav device is the last on their list.

They could sell large numbers of reasonably priced map upgrades every year
if they wanted to, or no map upgrades at rip off prices.
(obviously they get a lot less from the GPS manufacturers for each new
device sold)
Maybe one day some manufacturer will choose the former. Possibly one has
that I haven't heard about?
~~~~~~~~~~~~~~~~

Sat-nav vendors need to make money, too. Do you know how much the markup is
for each device?

--
Please.share.what.you.know.

 

[Mr.T]

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:4817ce7d$0$12316$9a6e19ea@unlimited.newshosting.com...

Those portable SAT-NAV devices can also be used for touch-control for my
Lexus? How abour rear-assist camera?

Wireless ones available for under $200 also. How much was your lexus

And of course the same people who break into cars to steal the radio,
would
never consider wrecking the dash to get yours out would they?
BWAHAHAHAHAHAWWWRRR!!!

~~~~~~~~~~~~~~
They won't. If they wreck it, it's useless to them.

Vandalism.yes.theft.no.

What a load of crap! I had my window smashed and dash wrecked just to steal
a CD/MP3 radio. They gave up trying to remove it because of the alarm, and
the fact that it was securely bolted in, but vandalism wasn't the motive or
they would just "key" the paintwork, or kick the doors in, or slash the
tyres.

You are simply lucky so far, check the police statistics for car radio
thefts over the last 4 or 5 decades if you don't believe me!
Damage to your car is NOT a consideration for them, but sure they will try
not to damage what they are actually stealing

MrT.

 

[Mr.T]

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:4817d106$0$12297$9a6e19ea@unlimited.newshosting.com...

Sat-nav vendors need to make money, too. Do you know how much the markup
is
for each device?

As I already said, the devices themselves are reasonable.
(although I'm sure they will drop far more in coming years, just like all
mass produced electronics coming out of China)

MrT.

 

[Just JT]

"Mr.T" <MrT@home> wrote:

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:4817ce7d$0$12316$9a6e19ea@unlimited.newshosting.com...
Those portable SAT-NAV devices can also be used for touch-control for my
Lexus? How abour rear-assist camera?

Wireless ones available for under $200 also. How much was your lexus

~~~~~~~~~~~~~~~

Doubt very much if this cheap device can control the dual climate settings
of my baby Lexus.

And of course the same people who break into cars to steal the radio,
would
never consider wrecking the dash to get yours out would they?
BWAHAHAHAHAHAWWWRRR!!!

~~~~~~~~~~~~~~
They won't. If they wreck it, it's useless to them.

Vandalism.yes.theft.no.


What a load of crap! I had my window smashed and dash wrecked just to
steal
a CD/MP3 radio. They gave up trying to remove it because of the alarm, and
the fact that it was securely bolted in, but vandalism wasn't the motive
or
they would just "key" the paintwork, or kick the doors in, or slash the
tyres.

~~~~~~~~~~~~~~

A milligram of prevention is worth more than a megatonne of cure: I never
take my baby Lexus to low-rent areas.....

You are simply lucky so far, check the police statistics for car radio
thefts over the last 4 or 5 decades if you don't believe me!
Damage to your car is NOT a consideration for them, but sure they will try
not to damage what they are actually stealing

~~~~~~~~~~~~

See above.

--
I.have.a.low.key.old.car.to.take.me.to.low.rent.areas.

 

[David L. Jones]

On Apr 30, 11:53 am, "Just JT" <Johnnyt...@Hotmale.com> wrote:

"Mr.T" <MrT@home> wrote:

"Just JT" <Johnnyt...@Hotmale.com> wrote in message
news:481696e1$0$28593$9a6e19ea@unlimited.newshosting.com...
~~~~~~~~~~~~
$250 is pretty reasonable for a navigation device IMO.

Agreed, it's the cost of the mapping that is still FAR too high. Just
try
and price a map upgrade for that $250 GPS, and you will throw it away
and
buy a new one!

~~~~~~~~~~~~
Then buy a NEW ONE!!!

Of course, but I wonder how many Melways/UBD's they would sell each year
if
they charged $250 for a new one?

~~~~~~~~~~~~~~~
Why buy a paper street directory when you can print directions fromhttp://whereis.com**FREE OF CHARGE***?

Because most people don't have a computer and internet connection in
the car with them.
It's also not free to print out a piece of paper. One ink cartridge
can cost a lot more than an entire paper street directory.
Get off-course and need to find your way back or an alternate route? -
your pre-printed whereis map becomes useless.
Suddenly decide to go somewhere while you are away from a computer?
whereis won't help.
Only a fool wouldn't have a street directory in their car and rely on
whereis.com

Even if I had an in-car GPS I would still have a paper street
directory as a backup. As sometimes it's just handy to be able to use
the large format printed street directory to find your way and/or see
details you'd miss on a GPS. Sometimes you want more than just
instructions - e.g. "hey look, that road goes past a park with a lake,
we'll stop there for lunch"

Dave.

 

[Trevor Wilson]

"Saab C900 Viggenist" <c900@lios.apana.org.au> wrote in message
news:fv8uou$7kn$1@yoda.apana.org.au...

"Trevor Wilson" <trevor@_SPAMBLOCK_rageaudio.com.au> writes:

"Snapper" <snapper1@y7mail.com> wrote in message
news:4817ba9f$0$12274$c3e8da3@news.astraweb.com...
Trevor Wilson wrote...

Also, these phones aren't cheap and their plans less so. The N95 for
example, requires a subscription in order to download the maps as you
travel, and they also accumulate data usage which you also have to
pay
for.

**Bullshit. Both Nokias come equipped with maps for all of Australia
and
more (for free). My 6110 costs me $50.00/month with a shit load of
'phone
calls (over $200.00 worth).

I was refering to a Nokia N95 review which said this:

"Regardless, maps and routing info are downloaded over-the-air and
on-the-fly (for over 100 different countries Nokia tells us), but beware
this attracts data charges from mobile operators -- maps are not
pre-loaded or included on the memory card.

"You can "upgrade" the N95's navigation abilities to support automatic
voice instructions for each turn, but this attracts an additional charge
per region -- it costs from AU$12.45 for a 7-day licence to AU$132.94
for
3 years. Other premium services include city guides -- the Sydney one
costs AU$13.28, for example. Thankfully local points of interest like
restaurants and attractions are included for free, and you can easily
make
a call to make a dinner reservation at any eatery you find."

http://www.cnet.com.au/mobilephones/phones/0,239025953,339271384,00.htm

So, is Cnet full of shit, then?

**It would seem so. Australian maps are supplied free for the 6110 and the
N95 (and probably others). Voice guided navigation around Australia is
free.
I've been using my 6110 for four months and have not sighted any extra
charges on my bill. I guess reviewers are not infallible. Did you think
they
were perfect?

Ah there's a key piece of info - you're using post-paid services.

**The GPS is free. I pay for 'phone calls and other services. That is all I
care about. My 6110 costs me EXACTLY the same price per month as my previous
'phone, which lacks GPS. I now have GPS capability for free.

Done your research on LED efficiency yet?

Trevor Wilson

 

[Mr.T]

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:4817edae$0$19863$9a6e19ea@unlimited.newshosting.com...

Those portable SAT-NAV devices can also be used for touch-control for
my
Lexus? How abour rear-assist camera?

Wireless ones available for under $200 also. How much was your lexus

~~~~~~~~~~~~~~~
Doubt very much if this cheap device can control the dual climate settings
of my baby Lexus.

I doubt any GPS can. A more intersting question is how much it will cost to
replace if any one of those integrated functions breaks

A milligram of prevention is worth more than a megatonne of cure: I never
take my baby Lexus to low-rent areas.....

Good for you. If you stay home entirely you won't need a car at all though.

I.have.a.low.key.old.car.to.take.me.to.low.rent.areas.

And the extra rego costs per year alone are far more than my GPS
But hey, it's your money, I sure don't care how you spend it.


MrT.

 

[Just JT]

"Mr.T" <MrT@home> wrote:

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:4817edae$0$19863$9a6e19ea@unlimited.newshosting.com...
Those portable SAT-NAV devices can also be used for touch-control for
my
Lexus? How abour rear-assist camera?

Wireless ones available for under $200 also. How much was your lexus


~~~~~~~~~~~~~~~
Doubt very much if this cheap device can control the dual climate
settings
of my baby Lexus.

I doubt any GPS can. A more intersting question is how much it will cost
to
replace if any one of those integrated functions breaks

~~~~~~~~~~~~~~

If I were on welfare I wouldn't own a baby Lexus.

A milligram of prevention is worth more than a megatonne of cure: I never
take my baby Lexus to low-rent areas.....

Good for you. If you stay home entirely you won't need a car at all
though.

~~~~~~~~~~~~~~

It's a weekend car as I work from home most of the time.

I.have.a.low.key.old.car.to.take.me.to.low.rent.areas.

And the extra rego costs per year alone are far more than my GPS
But hey, it's your money, I sure don't care how you spend it.

~~~~~~~~~~~~~~

We are a four-car family.

--
We.need.four.cars.in.our.household.

 

[Saab C900 Viggenist]

"Trevor Wilson" <trevor@_SPAMBLOCK_rageaudio.com.au> writes:

"Snapper" <snapper1@y7mail.com> wrote in message
news:4817ba9f$0$12274$c3e8da3@news.astraweb.com...
Trevor Wilson wrote...

Also, these phones aren't cheap and their plans less so. The N95 for
example, requires a subscription in order to download the maps as you
travel, and they also accumulate data usage which you also have to pay
for.

**Bullshit. Both Nokias come equipped with maps for all of Australia and
more (for free). My 6110 costs me $50.00/month with a shit load of 'phone
calls (over $200.00 worth).

I was refering to a Nokia N95 review which said this:

"Regardless, maps and routing info are downloaded over-the-air and
on-the-fly (for over 100 different countries Nokia tells us), but beware
this attracts data charges from mobile operators -- maps are not
pre-loaded or included on the memory card.

"You can "upgrade" the N95's navigation abilities to support automatic
voice instructions for each turn, but this attracts an additional charge
per region -- it costs from AU$12.45 for a 7-day licence to AU$132.94 for
3 years. Other premium services include city guides -- the Sydney one
costs AU$13.28, for example. Thankfully local points of interest like
restaurants and attractions are included for free, and you can easily make
a call to make a dinner reservation at any eatery you find."

http://www.cnet.com.au/mobilephones/phones/0,239025953,339271384,00.htm

So, is Cnet full of shit, then?

**It would seem so. Australian maps are supplied free for the 6110 and the
N95 (and probably others). Voice guided navigation around Australia is free.
I've been using my 6110 for four months and have not sighted any extra
charges on my bill. I guess reviewers are not infallible. Did you think they
were perfect?

Ah there's a key piece of info - you're using post-paid services. My phone
(Nokia 5500 - it does have GPS support but not using built-in hardware) is
on a prepaid service since it's only ever used for calls and the odd text
message. Gave up on 'mobile' web browsing when I had a post-paid plan but
dumped it due to the lies continually purported by Optus when they
continually tried to dupe me into signing onto a contract plan.

I bet people in the USA laugh at the shite our telco's try to pull here, but
then again 'density' of mobile phone usage/ownership is massively higher
there so costs to provide the services are massively lower on a per-user
basis.

BTW I've got a Blutant talkpad installed in each of my cars to do all the
handsfree in-car stuff over Bluetooth and they're brilliant devices. Jabra's
bluetooth engine that Blueant uses is quite a powerful piece of kit for what
it does.

Craig.
--
Craig's Saab C900 Page at | Craig's Classic Saab Workshop - Sydney .au
http://lios.apana.org.au/~c900 | http://www.classicsaab.net and other URL's
Email: c900@lios.apana.org.au | For Saab 99/C900/9000 Enthusiasts World-Wide!
Alternate: saabonaut@gmail.com | Web-forums, galleries, library, links, etc.

 

[Mr.T]

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:48180d95$0$10335$9a6e19ea@unlimited.newshosting.com...

If I were on welfare I wouldn't own a baby Lexus.

Me either.

It's a weekend car as I work from home most of the time.

Don't go near the beach then, that's where they tried to steal my Radio/CD
player, on a Sunday.
Fixing the damage was more expensive than the player.

We are a four-car family.

Doing your bit for global warming then

MrT.

 

[Doug Jewell]

Atheist Chaplain wrote:

how can aGPS help you to lock on to a satellite signal any quicker ??
It's inherent to the way GPS works. They constantly transmit

a signal that includes the time according to the satellite's
atomic clock, and also the satellite's postion. The receiver
uses the time taken for the signals to reach it to determine
the distance from the satellite. Using a bit of math, as
long is it knows the distance to 4 or more satellites, and
the position of those satellites, it can triangulate. But
there's a catch - the satellite transmits this data at a
fairly low bitrate, and so it takes 30 seconds for the whole
data packet to be transmitted. In a best-case scenario, it
will take 30 seconds to get the position information from
the satellite, but if the signal is interrupted, corrupted
etc during this 30 seconds, the GPSr doesn't know where the
satellite is, so it can't compute the position accurately
(or at all). This can cause delays in getting a fix of
sometimes several minutes. Additionally, the satellite
position data can be up to 2 hours old, and it takes approx
12 minutes for the entire catalog of satellite data to be
downloaded. Until this is received, the accuracy of the fix
can be poor.
To speed this process up though, and to get a more accurate
fix, some GPSr's allow you to download predicted satellite
positions. Because the GPSr already knows the satellite
position, it only needs the timecode from the satellite, not
the whole packet. This allows a faster, and more accurate fix.

that's just another rort by the Telco's to extort money from the gullible, I
though aGPS was to download things like voice direction and POI's (things
that were intentionally stripped out of the Telco supplied GPS software so
they could then charge you for it at exorbitant data transfer fee rates)

 

[Just JT]

"Mr.T" <MrT@home> wrote:

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:48180d95$0$10335$9a6e19ea@unlimited.newshosting.com...
If I were on welfare I wouldn't own a baby Lexus.

Me either.

~~~~~~~~~~~~~~~~

I'm financially comfy having paid my mortgage. Kids are soon to finish uni.
I was in the market for a mid-size luxury RWD sedan. The baby Lexus fitted
my requirements the best.

It's a weekend car as I work from home most of the time.

Don't go near the beach then, that's where they tried to steal my Radio/CD
player, on a Sunday.
Fixing the damage was more expensive than the player.

~~~~~~~~~~~~~~~~~

Do go to the beach sometimes. But car is never out of sight.

We are a four-car family.

Doing your bit for global warming then

~~~~~~~~~~~~~~

The downside of living in non-low-rent areas is that public transport is
very average. A private motor vehicle is essential where I live.

BTW, I don't believe in this global warming myth.

--
Will.never.get.sucked.in.by.this.Al.Gore.carbon.credit.scam.

 

[Atheist Chaplain]

"Doug Jewell" <ask@and.maybe.ill.tell.you> wrote in message
news:48185535$0$9716$5a62ac22@per-qv1-newsreader-01.iinet.net.au...

Atheist Chaplain wrote:

how can aGPS help you to lock on to a satellite signal any quicker ??
It's inherent to the way GPS works. They constantly transmit a signal that
includes the time according to the satellite's atomic clock, and also the
satellite's postion. The receiver uses the time taken for the signals to
reach it to determine the distance from the satellite. Using a bit of
math, as long is it knows the distance to 4 or more satellites, and the
position of those satellites, it can triangulate. But there's a catch -
the satellite transmits this data at a fairly low bitrate, and so it takes
30 seconds for the whole data packet to be transmitted. In a best-case
scenario, it will take 30 seconds to get the position information from the
satellite, but if the signal is interrupted, corrupted etc during this 30
seconds, the GPSr doesn't know where the satellite is, so it can't compute
the position accurately (or at all). This can cause delays in getting a
fix of sometimes several minutes. Additionally, the satellite position
data can be up to 2 hours old, and it takes approx 12 minutes for the
entire catalog of satellite data to be downloaded. Until this is received,
the accuracy of the fix can be poor.
To speed this process up though, and to get a more accurate fix, some
GPSr's allow you to download predicted satellite positions. Because the
GPSr already knows the satellite position, it only needs the timecode from
the satellite, not the whole packet. This allows a faster, and more
accurate fix.
that's just another rort by the Telco's to extort money from the
gullible, I though aGPS was to download things like voice direction and
POI's (things that were intentionally stripped out of the Telco supplied
GPS software so they could then charge you for it at exorbitant data
transfer fee rates)

while that may be true I have yet to see a time when my Navman GPS doesn't
see at least 5 satellites and currently my Tom tom phone system is tracking
9 sats. Admittedly I'm not in the concrete jungle of Shitney but even when I
am, the only time I have lost signal was when I was in one of the tunnels.
to be fair I have never been driving so fast in Shitney that the GPS
couldn't keep up with my position so I fail to see any benefit from aGPS.

--
"Calling Atheism a religion is like calling bald a hair color."
Don Hirschberg

 

[Rod Speed]

Atheist Chaplain <abused@cia.gov> wrote:

"Doug Jewell" <ask@and.maybe.ill.tell.you> wrote in message
news:48185535$0$9716$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
Atheist Chaplain wrote:

how can aGPS help you to lock on to a satellite signal any quicker
??
It's inherent to the way GPS works. They constantly transmit a
signal that includes the time according to the satellite's atomic
clock, and also the satellite's postion. The receiver uses the time
taken for the signals to reach it to determine the distance from the
satellite. Using a bit of math, as long is it knows the distance to
4 or more satellites, and the position of those satellites, it can
triangulate. But there's a catch - the satellite transmits this data
at a fairly low bitrate, and so it takes 30 seconds for the whole
data packet to be transmitted. In a best-case scenario, it will take
30 seconds to get the position information from the satellite, but
if the signal is interrupted, corrupted etc during this 30 seconds,
the GPSr doesn't know where the satellite is, so it can't compute
the position accurately (or at all). This can cause delays in
getting a fix of sometimes several minutes. Additionally, the
satellite position data can be up to 2 hours old, and it takes
approx 12 minutes for the entire catalog of satellite data to be
downloaded. Until this is received, the accuracy of the fix can be
poor. To speed this process up though, and to get a more accurate fix, some
GPSr's allow you to download predicted satellite positions. Because
the GPSr already knows the satellite position, it only needs the
timecode from the satellite, not the whole packet. This allows a
faster, and more accurate fix.
that's just another rort by the Telco's to extort money from the
gullible, I though aGPS was to download things like voice direction
and POI's (things that were intentionally stripped out of the Telco
supplied GPS software so they could then charge you for it at
exorbitant data transfer fee rates)


while that may be true I have yet to see a time when my Navman GPS
doesn't see at least 5 satellites and currently my Tom tom phone
system is tracking 9 sats. Admittedly I'm not in the concrete jungle
of Shitney but even when I am, the only time I have lost signal was
when I was in one of the tunnels. to be fair I have never been
driving so fast in Shitney that the GPS couldn't keep up with my
position so I fail to see any benefit from aGPS.

The most obvious difference is seen with the time it takes for
the GPS to decide its got enough info to tell you were to go
next. Thats most noticeable when driving out of a parking area
etc after the GPS has not been able to see any satellites for quite
a while, usually because its been turned off for quite a while.

And aGPS isnt the only way to reduce that time too.

 

[RogerM]

"Mr.T" <MrT@home> wrote in message
news:4816e45c$0$17510$afc38c87@news.optusnet.com.au...

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:48169744$0$28623$9a6e19ea@unlimited.newshosting.com...
Idiot, you can buy one you can take from vehicle
to vehicle for less.
~~~~~~~~~~~~~~
You mean the one that easily gets STOLEN?!?!?! BWAHAHAHAHAHAWWWRRR!!!

Nah, the one that can be easily removed and used as a portable GPS (great
for hiking) or as a portable MP3 player or photo viewer.
Try that with your Lexus

And of course the same people who break into cars to steal the radio,
would
never consider wrecking the dash to get yours out would they?
BWAHAHAHAHAHAWWWRRR!!!


MrT.

Anyone who buys a "Claytons" baby Lexus and comes in here and tries to brag
about it, is a six pack short of a carton and this JT dickhead has proven it
over and over again.

 

[RogerM]

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:4817edae$0$19863$9a6e19ea@unlimited.newshosting.com...

"Mr.T" <MrT@home> wrote:

"Just JT" <Johnnythor@Hotmale.com> wrote in message
news:4817ce7d$0$12316$9a6e19ea@unlimited.newshosting.com...
Those portable SAT-NAV devices can also be used for touch-control for my
Lexus? How abour rear-assist camera?

Wireless ones available for under $200 also. How much was your lexus

~~~~~~~~~~~~~~~
Doubt very much if this cheap device can control the dual climate settings
of my baby Lexus.


And of course the same people who break into cars to steal the radio,
would
never consider wrecking the dash to get yours out would they?
BWAHAHAHAHAHAWWWRRR!!!

~~~~~~~~~~~~~~
They won't. If they wreck it, it's useless to them.

Vandalism.yes.theft.no.


What a load of crap! I had my window smashed and dash wrecked just to
steal
a CD/MP3 radio. They gave up trying to remove it because of the alarm,
and
the fact that it was securely bolted in, but vandalism wasn't the motive
or
they would just "key" the paintwork, or kick the doors in, or slash the
tyres.

~~~~~~~~~~~~~~
A milligram of prevention is worth more than a megatonne of cure: I never
take my baby Lexus to low-rent areas.....

Is that right you fucking low life scum? Maybe when Centrelink wake up and
stop your payments, you just might not have that choice.

You are simply lucky so far, check the police statistics for car radio
thefts over the last 4 or 5 decades if you don't believe me!
Damage to your car is NOT a consideration for them, but sure they will
try
not to damage what they are actually stealing

~~~~~~~~~~~~
See above.

--
I.have.a.low.key.old.car.to.take.me.to.low.rent.areas.

Yet you scab on the cheapest most uncomfortable public transport? What a
tool!

Roger

 

[Kwyjibo]

"Atheist Chaplain" <abused@cia.gov> wrote in message
news:RF7Sj.6489$ko5.3857@news-server.bigpond.net.au...

"Doug Jewell" <ask@and.maybe.ill.tell.you> wrote in message
news:48185535$0$9716$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
Atheist Chaplain wrote:

how can aGPS help you to lock on to a satellite signal any quicker ??
It's inherent to the way GPS works. They constantly transmit a signal
that includes the time according to the satellite's atomic clock, and
also the satellite's postion. The receiver uses the time taken for the
signals to reach it to determine the distance from the satellite. Using a
bit of math, as long is it knows the distance to 4 or more satellites,
and the position of those satellites, it can triangulate. But there's a
catch - the satellite transmits this data at a fairly low bitrate, and so
it takes 30 seconds for the whole data packet to be transmitted. In a
best-case scenario, it will take 30 seconds to get the position
information from the satellite, but if the signal is interrupted,
corrupted etc during this 30 seconds, the GPSr doesn't know where the
satellite is, so it can't compute the position accurately (or at all).
This can cause delays in getting a fix of sometimes several minutes.
Additionally, the satellite position data can be up to 2 hours old, and
it takes approx 12 minutes for the entire catalog of satellite data to be
downloaded. Until this is received, the accuracy of the fix can be poor.
To speed this process up though, and to get a more accurate fix, some
GPSr's allow you to download predicted satellite positions. Because the
GPSr already knows the satellite position, it only needs the timecode
from the satellite, not the whole packet. This allows a faster, and more
accurate fix.
that's just another rort by the Telco's to extort money from the
gullible, I though aGPS was to download things like voice direction and
POI's (things that were intentionally stripped out of the Telco supplied
GPS software so they could then charge you for it at exorbitant data
transfer fee rates)


while that may be true I have yet to see a time when my Navman GPS doesn't
see at least 5 satellites and currently my Tom tom phone system is
tracking 9 sats. Admittedly I'm not in the concrete jungle of Shitney but
even when I am,

And your navman and tom tom have slightly better GPS antenna, and don't have
a 3G transmitter sitting right next to them causing interference.

the only time I have lost signal was when I was in one of the tunnels. to
be fair I have never been driving so fast in Shitney that the GPS couldn't
keep up with my position so I fail to see any benefit from aGPS.

I've turned mine off, but definitely saw quicker lock times for the short
period I had it active.

--
Kwyj.