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Tiny 19200 baud 5km radius radio modem

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Nick

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Sep 22, 2005, 9:47:06 AM9/22/05
to
Is there any commercially available tiny (to be carried in model airplane)
radio modems capable of communicating (full-dublex) at rate of 19200 baud
(or faster) in a radius of up to 5km?


Phil Allison

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Sep 22, 2005, 9:52:35 AM9/22/05
to

<Nick>

>
> Is there any commercially available tiny (to be carried in model airplane)
> radio modems capable of communicating (full-dublex) at rate of 19200 baud
> (or faster) in a radius of up to 5km?


** The ANO that allows R/C aircraft to fly prohibits all out of visual
range operation.

What are you planning ?


......... Phil


Alan Rutlidge

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Sep 22, 2005, 10:47:10 AM9/22/05
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Attaching a bomb to it and flying straight through your bed-sit flat window.
FFS, what difference does it make to you anyway Toaster Boi?

"Phil Allison" <phila...@tpg.com.au> wrote in message
news:3pfr96F...@individual.net...

Phil Allison

unread,
Sep 22, 2005, 10:52:23 AM9/22/05
to
WARNING to all USENET readers:


** Alan Kendall Rutlidge of 15 Ruth Street Northbridge, WA (aka The Arse
Bandit ) is a congenital liar.

He has lied through his backside for every day of his whole life.

He first lied to his parents.

He then lied to his teachers.

He the continued lied to Telstra where they sheltered the evil sod for 26
years.

No lie whatever is beneath or beyond him.

Rutlidge is a consummate lair.

There is no-one he will not try to deceive.


Such an individual is an, evil public menace.

......... Phil

Alan Rutlidge

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Sep 22, 2005, 11:02:47 AM9/22/05
to
YAWN


"Phil Allison" <phila...@tpg.com.au> wrote in message

news:3pfupaF...@individual.net...

Paul Carpenter

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Sep 22, 2005, 11:54:54 AM9/22/05
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On Thursday, in article
<4332b5d5$0$24680$afc3...@news.optusnet.com.au> Nick wrote:

There are lots of things capable of many things, however what is IMPORTANT
to know is

What country? This affects whether it is even legal to transmit at a
suitable power level in that country for the distance or even enough
bandwidth and modulation schemes for that baud rate.

Why 5km? As most countries have regulations about line of sight to model
airplane that are radio controlled.

Why full duplex? You may be operating in bands that don't permit that
for model aircraft.

--
Paul Carpenter | pa...@pcserviceselectronics.co.uk
<http://www.pcserviceselectronics.co.uk/> PC Services
<http://www.gnuh8.org.uk/> GNU H8 & mailing list info
<http://www.badweb.org.uk/> For those web sites you hate

Brent S.

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Sep 22, 2005, 2:12:48 PM9/22/05
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"Paul Carpenter" <paul$@pcserviceselectronics.co.uk> wrote in message
news:20050922.15...@pcserviceselectronics.co.uk...

>
> Why 5km? As most countries have regulations about line of sight to model
> airplane that are radio controlled.
>

It may be that I live where there are very few trees, but I can see 5Km on
any given day. Is there an actual distance limit in the U.S.

Brent S.

Tim Auton

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Sep 22, 2005, 3:18:49 PM9/22/05
to
"Phil Allison" <phila...@tpg.com.au> wrote:
><Nick>
>>
>> Is there any commercially available tiny (to be carried in model airplane)
>> radio modems capable of communicating (full-dublex) at rate of 19200 baud
>> (or faster) in a radius of up to 5km?
>
>** The ANO that allows R/C aircraft to fly prohibits all out of visual
>range operation.

Depends which ANO, which depends on which country you live in. Judging
by the list of newsgroups, the OP lives in Australia and I'm not
familiar with their ANO.

You may have difficulty getting that kind of range with a license-free
solution. I'd advise checking the local regulations to see if there is
a band where they allow you enough power output to get 5km range
without a directional antenna. As a rough guess, you'll need the best
part of 1W output.


Tim
--
You are being watched. This gives you power.

Ed /:-}

unread,
Sep 22, 2005, 5:54:06 PM9/22/05
to
there appear to be radio modems on the license exempt 433MHz band which use 20-20mw. a search will produce lots of these products. if you have a directional aerial on the ground and a proper antenna on the other device, you will get the range if it is line of sight.

i suggest that higher power could be used for the tx uplink where power considerations are less severe and a different frequency where interference is reduced to the plane.

note: lipd power limits are higher for some other freqs


TC

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Sep 22, 2005, 7:20:27 PM9/22/05
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Could someone explain the acronym ANO?

Thanks!
TC

"Tim Auton" <tim....@uton.groupSexWithoutTheY> wrote in message
news:md06j1lb3thqg6bpm...@4ax.com...

Tim Auton

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Sep 22, 2005, 7:28:10 PM9/22/05
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"TC" <no...@nowhere.com> wrote:

>Could someone explain the acronym ANO?

If you promise to post replies below what you are replying to, in
order to provide context, I'll tell you it stands for Air Navigation
Order - the law of the skies.

Phil Allison

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Sep 22, 2005, 7:32:29 PM9/22/05
to

"Tim Auton"
> "Phil Allison"

>><Nick>
>>>
>>> Is there any commercially available tiny (to be carried in model
>>> airplane)
>>> radio modems capable of communicating (full-dublex) at rate of 19200
>>> baud
>>> (or faster) in a radius of up to 5km?
>>
>>** The ANO that allows R/C aircraft to fly prohibits all out of visual
>>range operation.
>
>
> Depends which ANO, which depends on which country you live in.


** How brilliant of you to say that.

The OP is in Australia, so am I and posting on aus.electronics.

From his IP address, he is in Sydney.


> Judging
> by the list of newsgroups, the OP lives in Australia and I'm not
> familiar with their ANO.


** Why are pommies always so keen to boast about their ignorance ??

Is it to justify their infuriating penchant for continually arguing for that
same position ??


FYI:

Commonwealth of Australia

Department of Aviation

Air Navigation Orders

Part 95, Section 95.21

re. Model Aircraft

4.1 A model aircraft shall not be flown:

(a) unless visibility permits continuous visual contact by the operator with
the aircraft, or

(b) in cloud.

........... Phil


Tim Auton

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Sep 22, 2005, 7:56:36 PM9/22/05
to
"Phil Allison" <phila...@tpg.com.au> wrote:
[snip]

>The OP is in Australia, so am I and posting on aus.electronics.

Wrong. You are posting on aus.electronics, comp.arch.embedded and
comp.robotics.misc.

Sergio Masci

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Sep 22, 2005, 7:58:39 PM9/22/05
to

On Fri, 23 Sep 2005, Phil Allison wrote:

>
> "Tim Auton"
> > "Phil Allison"
> >><Nick>
> >>>
> >>> Is there any commercially available tiny (to be carried in model
> >>> airplane)
> >>> radio modems capable of communicating (full-dublex) at rate of 19200
> >>> baud
> >>> (or faster) in a radius of up to 5km?
> >>
> >>** The ANO that allows R/C aircraft to fly prohibits all out of visual
> >>range operation.
> >
> >
> > Depends which ANO, which depends on which country you live in.
>
>
> ** How brilliant of you to say that.
>
> The OP is in Australia, so am I and posting on aus.electronics.
>
> From his IP address, he is in Sydney.

Get off your high horse. The post was cross posted to multiple newsgroups
and I for one did not notice it had gone to aus.electronics until it was
pointed out.

>
>
> > Judging
> > by the list of newsgroups, the OP lives in Australia and I'm not
> > familiar with their ANO.
>
>
> ** Why are pommies always so keen to boast about their ignorance ??
>
> Is it to justify their infuriating penchant for continually arguing for that
> same position ??

Let's try to keep this friendly shall we or else retrict your posts to
aus.electronics


Regards
Sergio Masci

http://www.xcprod.com/titan/XCSB - optimising PIC compiler
FREE for personal non-commercial use


Phil Allison

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Sep 22, 2005, 7:59:35 PM9/22/05
to

"Tim Auton"
> "Phil Allison"

>>The OP is in Australia, so am I and posting on aus.electronics.
>
> Wrong. You are posting on aus.electronics, comp.arch.embedded and
> comp.robotics.misc.

** No - ** I ** am posting on aus.electronics - you pedantic,
oversnipping pommy idiot.

........... Phil

Tim Auton

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Sep 22, 2005, 8:23:21 PM9/22/05
to

Look at the newsgroups line in your newsreader. You may be reading
only aus.electronics, but *you* have the choice over where the
messages you post are distributed. You can quite easily post replies
to this thread which go only to aus.electronics, but through ignorance
or incompetence you have failed to do so.

My reply was not specific to Australia, nor was it directed at you. It
was a reply intended for the global audience among whom this thread is
being distributed. It was intended to be useful to the originator of
the thread as well as to other interested readers around the world.

<troll>
I can see you're bitter about the ashes, but it's only once ever
couple of decades that we get them back. You'll get over it.
</troll>

Phil Allison

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Sep 22, 2005, 8:39:55 PM9/22/05
to

"Tim Auton" = Tim Autistic

>
> "Phil Allison
>>
>>>>The OP is in Australia, so am I and posting on aus.electronics.
>>>
>>> Wrong. You are posting on aus.electronics, comp.arch.embedded and
>>> comp.robotics.misc.
>>
>>** No - ** I ** am posting on aus.electronics - you pedantic,
>>oversnipping pommy idiot.
>
> Look at the newsgroups line in your newsreader.


** Don't ever dream of telling me what to do - you waste of space pommy
prick.


> My reply was not specific to Australia, nor was it directed at you.


** Here it is again - my words first

" ** The ANO that allows R/C aircraft to fly prohibits all out of visual
range operation.

Depends which ANO, which depends on which country you live in. Judging


by the list of newsgroups, the OP lives in Australia and I'm not
familiar with their ANO. "

> It
> was a reply intended for the global audience among whom this thread is
> being distributed. It was intended to be useful to the originator of
> the thread as well as to other interested readers around the world.


** My post was directed straight at the OP who can easily see that I am in
Australia, like him.

Hence, the ANO I alluded to was the appropriate one.

OTOH , Mr Tim Autistic - your fucking asinine comment served no purpose
but to BOAST about what a pig ignorant wanker you are.


Why are pommy turds like Tim always so keen to boast about their ignorance
??

Is it to justify their infuriating penchant for continually arguing from
that
same position ??

No surprise that are al loathed world wide.


......... Phil

Pete Gray

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Sep 22, 2005, 8:54:53 PM9/22/05
to

"Phil Allison" <phila...@tpg.com.au> wrote in message
news:3ph16sF...@individual.net...

Looks like it's time for a Group Hug


APR

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Sep 22, 2005, 9:15:40 PM9/22/05
to
Alan, how old are you (not chronologically, but mentally). I believe we may
see some very small numbers here.

>>"Alan Rutlidge" <dont_spam_...@iinet.net.au> wrote in message
>>news:4332c79e$0$11712$5a62...@per-qv1-newsreader-01.iinet.net.au...
>> YAWN

Tim Auton

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Sep 22, 2005, 9:54:45 PM9/22/05
to
"Phil Allison" <phila...@tpg.com.au> wrote:
>"Tim Auton" = Tim Autistic

Close, but no cigar. It's a spectrum disorder, autism is merely one
end of it. And yes, I am closer to autism than 'normality' on the
Aspergers continuum. I think you intended that as an insult. Am I
right?

>> "Phil Allison
[snip]


>> Look at the newsgroups line in your newsreader.
>
>** Don't ever dream of telling me what to do - you waste of space pommy
>prick.

[snip]


>** My post was directed straight at the OP who can easily see that I am in
>Australia, like him.

Ahh, I see where your confusion comes from. You hit the 'reply to
group' button instead of the 'reply by email'. I accept your apology.

>OTOH , Mr Tim Autistic - your fucking asinine comment served no purpose
>but to BOAST about what a pig ignorant wanker you are.

I'll have you know I am far from pig-ignorant when it comes to
wanking. Since my teens I have been a practitioner of the art. It
promotes a sense of peace and well-being, an inner calm.

I suggest you have a nice quiet wank. You'll feel much better.

As much fun as this is, it's late now. I'm off to bed to dream about
telling you what to do, Phil.

Lots of love,

Tim, XX

Phil Allison

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Sep 22, 2005, 10:07:36 PM9/22/05
to

"Tim Auton" = one Vile, Autistic Pommy Shithead
>
> "Phil Allison"

>
> Close, but no cigar. It's a spectrum disorder, autism is merely one
> end of it. And yes, I am closer to autism than 'normality' on the
> Aspergers continuum. I think you intended that as an insult. Am I
> right?


** Nope - just publicly outing yet another one.


> Ahh, I see where your confusion comes from.


** You are the confused one - Mr Autistic.

Permanently confused about everything.

> I'll have you know I am far from pig-ignorant when it comes to
> wanking. Since my teens I have been a practitioner of the art. It
> promotes a sense of peace and well-being, an inner calm.


** Just keep it in private - OK .

No need to make a mess all over usenet.

........... Phil


The Real Andy

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Sep 23, 2005, 12:43:28 AM9/23/05
to

And where are you from Phil? Where is your family line imported from?

Paul Keinanen

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Sep 23, 2005, 1:06:43 AM9/23/05
to

For full duplex operation, you need two separate frequencies, one for
uplink and the other for downlink. If you intend to put these
frequencies on the same frequency band, you need very good filters to
keep away the transmitter power from receiver. For sufficient
selectivity, some form of cavity resonators would have to be used,
which would be far too heavy for model airplane.

I would suggest using the aircraft control frequency (typically around
40 MHz depending on country) for uplink and perhaps 27 MHz or 2450 MHz
for downlink, if it is allowed to operate airborne transmitters at
these frequencies in your country.

Paul

Alan Rutlidge

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Sep 23, 2005, 1:23:32 AM9/23/05
to

"The Real Andy" <will_get_back_to_you_on_This@> wrote in message
news:4t17j1h0mmdqgkuod...@4ax.com...

Phil was created. Look on the crown of his head to see 3 small 6's.

Phil Allison

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Sep 23, 2005, 2:05:42 AM9/23/05
to

WARNING: To all aus.electronics readers !!!


Alan Rutlidge is a Criminal Lunatic

Alan Kendall Rutlidge of 15 Ruth Street Northbridge, WA (aka The Arse

Bandit Fuckwit ) is a congenital, scumbag liar.

He has lied through his backside for every day of his whole life.

He first lied to his parents about his perversions.

He then lied to his teachers about the same thing.

He then continued lying to Telstra where they sheltered the evil sod for 26
years. But the guys around him knew what he was.

No lie whatever is beneath or beyond him.

Rutlidge is a consummate and fluent liar.

There is no-one he will not try to deceive.


Such an individual is an evil public menace.

......... Phil

swanny

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Sep 23, 2005, 2:30:07 AM9/23/05
to
Phil Allison wrote:

There are a number of small spread-spectrum systems that will do this,
but only line-of-sight. They are very expensive though.

Phil Allison

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Sep 23, 2005, 2:34:41 AM9/23/05
to

"swanny"

** Why did you reply to my post instead of the OP's ??


.......... Phil


dmm

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Sep 23, 2005, 5:57:41 AM9/23/05
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On Thu, 22 Sep 2005 23:47:06 +1000, <Nick> wrote:

>Is there any commercially available tiny (to be carried in model airplane)
>radio modems capable of communicating (full-dublex) at rate of 19200 baud
>(or faster) in a radius of up to 5km?
>

Check out the Xtream series of radio modems from MaxStream.
http://www.maxstream.net


Eljin

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Sep 23, 2005, 6:59:24 PM9/23/05
to
Do I sense a little animosity here? :-)

Alan Rutlidge

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Sep 23, 2005, 11:07:26 PM9/23/05
to

"Eljin" <ljoh...@accessnet.com> wrote in message
news:s50Ze.16559$nq.5118@lakeread05...

> Do I sense a little animosity here? :-)

No. It's called net-stalking. Cowardly little Phil is just a gutless
troll. He makes a habit of posting stuff of a personal nature which is
usually 99% bullshit to a disinterested audience. Just ignore him.

Cheers,
Alan

Phil Allison

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Sep 23, 2005, 11:52:07 PM9/23/05
to
WARNING to all USENET readers:

** Alan Kendall Rutlidge of 15 Ruth Street Northbridge, WA (aka The Arse

Bandit ) is a congenital liar and criminal net stalker.

He has lied through his backside for every day of his whole life.

He first lied to his parents.

He then lied to his teachers.

He the continued lied to Telstra where they sheltered the evil sod for 26
years.

No lie whatever is beneath or beyond him.

Rutlidge is a consummate lair.

There is no-one he will not try to deceive.

Such an individual is an, evil public menace.

........ Phil


Bryan Hackney

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Sep 24, 2005, 12:12:29 AM9/24/05
to

It is funny, but only in small doses.

Alan Rutlidge

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Sep 24, 2005, 12:23:21 AM9/24/05
to
YAWN!

Phil, you must be slipping. Taken you about 36 hours to respond to this
one - ROFL.
Suffering from old timers' disease are you?


"Phil Allison" <phila...@tpg.com.au> wrote in message

news:3pk0r7F...@individual.net...

toby

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Sep 24, 2005, 1:13:57 AM9/24/05
to

Alan Rutlidge wrote:
> ... Just ignore him.

Can you do the same? Nobody wants to read either side of that exchange.
--T

Heywood Jablome

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Sep 25, 2005, 7:19:28 AM9/25/05
to

"dmm" <dmmilne...@ozemail.com.au> wrote in message
news:d8k7j156isbaa9qc3...@4ax.com...

I wonder whether you could hack a 900Mhz or 2.4Gig cordless phone. They work
for a couple of km. No doubt, if you have them transmitting up in the sky,
their range will be much better than on the ground.

Is this for a UAV project?


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