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ZL3AI > APRDIG 07.08.03 09:37l 237 Lines 9435 Bytes #999 (0) @ WW
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From: ZL3AI@ZL3VML.#80.NZL.OC
To : APRDIG@WW
Subject: FT-11R and APRS
From: "Scott Miller" <scott@opentrac.org>
Date: Mon, 4 Aug 2003 09:12:47 -0700
X-Message-Number: 9
I've been offered the use of a Yaesu FT-11R for a remote weather station.
Does anyone know if it's got a full-time battery saver like the DJ-S11T, or
is it selectable? Any other APRS-related issues with this rig?
Better yet, does someone have a well-documented example of a solar wx site I
could look at? This is the first one I've tried to build, and it's already
turning out to be a learning experience.
Scott
N1VG
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Subject: Re: Xastir & Sharp Zaurus SL-5500
From: "Curt Mills, WE7U" <hacker@tc.fluke.com>
Date: Mon, 4 Aug 2003 09:11:26 -0700 (PDT)
X-Message-Number: 10
On Sun, 3 Aug 2003, Vince wrote:
>Has anyone tried Xastir on a Sharp Zaurus SL-5500?
No. It uses the Qt widget set as I recall (we use Motif), and has a small
screen, particularly the older ones. I think the newest one has 640x480,
which is starting to get usable. I sure like the prices on the 200MHz
versions right now though (used). A friend of mine bought one.
Porting Xastir to that platform is certainly possible, but not easy at this
point. Perhaps when Xastir-2 gets developed it'll be much easier to write
a client for the Zaurus.
--
Curt Mills, WE7U hacker_NO_SPAM_@tc.fluke.com
Senior Methods Engineer/SysAdmin
"Lotto: A tax on people who are bad at math!"
"Windows: Microsoft's tax on computer illiterates!" -- WE7U
"The world DOES revolve around me: I picked the coordinate system!"
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Subject: RE: The UNIVERSAL RULE for PATHS
From: "Donald Dillaby" <ddillaby@comcast.net>
Date: Mon, 4 Aug 2003 12:24:18 -0400
X-Message-Number: 11
Unfortunately, findu now includes the Citizen Weather Stations in its list
so the 40-station number may not be accurate given that CW stations and some
amateur radio weather stations, mine included, currently forward data via
the internet and not using APRS on 144.39.
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Subject: Re: Map legal question
From: Jack & Carolyn Cavanagh <cjcav@earthlink.net>
Date: Mon, 04 Aug 2003 12:29:21 -0400
X-Message-Number: 12
APRSSIG has been criticized as being too USA-centric. The USA policy on
access to data produced at taxpayer expense is unique. This data is
intellectual property, but is in the Public Domain. This means it is
available to anyone for any purpose for just the cost of reproduction.
In most other countries, government data is protected by government
copyright. For example, Canadian digital map and elevation data is
considered property of Her Majesty Elizabeth II and her government in
Canada. It is protected by Queen's Copyright. The result is that the
Canadian Government views the data as a source of revenue. Some of our
neighbors to the north are trying to change this policy with a Canadian
Data Liberation Initiative. In the UK, the digitization of the excellent
British Ordnance Survey maps has been farmed out to a commercial firm which
lets market forces determine the price.
Thus, you will not find Canadian info in Street Atlas although Delorme
could expand its customer based by 10 percent if it thought the cost of the
data was worth it. On the other hand, major road data on Canada is
available from Delorme in their global atlas. This data came the the USA
Digital Chart of the World produced by the old Defense Mapping Agency with
Canadian permission. This is the same source of Public Domain data that the
Sprouls used to make the APRS maps of countries outside the USA. These
maps do not go down to street level.
When I start making APRS maps some years back, I bought a CD of digitized
1:2,000:000 scale maps of the USA from the Geodetic Survey for USD 20.
In a nutshell, if it is USA data, no one owns it as it has been place by
law and policy in the Public Domain. Outside of the USA, some one owns the
data and has a right to determine how that data is used even by those who
have purchased a license to the data. Consult with an intellectual
property attorney or solicitor if you must.
Jack, KB4XF
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Subject: Re: IGATE problems.
From: Steve Dimse <k4hg@tapr.org>
Date: Mon, 4 Aug 2003 12:37:11 -0400
X-Message-Number: 13
On 8/4/03 at 12:10 PM John Kraus <flyfisher452@cox.net> sent:
>I am gating the FFC_OUTLK activation notices using UI-View. The objects
>are only going out on a sporadic basis. I am gating FFC* = ALL in
>IGATE.ini. I do see them from time to time with KC4ZGQ* in my IGate to RF
>log. I have also seen them on my D-7 so I know they have been on RF.
>
>I have two questions.
>
>Where do these objects originate? IE how do they get to the APRS IS?
KG5QD's wx server, see http://www.wxsrv.com
>How can I check to see if they are being sent on a consistent basis?
You can use findU:
http://www.findu.com/cgi-bin/raw.cgi?call=FFCSWO&time=1
This gives you the last 24 hours worth of packets.
Steve K4HG
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Subject: Solar Powered Weather Stations (was: FT-11R and APRS)
From: James Jefferson <jj@aprsworld.net>
Date: Mon, 4 Aug 2003 11:47:46 -0500
X-Message-Number: 14
Scott,
I've got two solar powered weather stations. Both are "stand-alone" in that
they are in their own enclosures and are hundreds of feet from commercial
power, phonelines, and structures.
KB0VYO-12
http://db.aprsworld.net/datamart/switch.php?call=kb0vyo-12&table=positi
on&maps=yes&search=Search
KB0THN-2
http://db.aprsworld.net/datamart/switch.php?call=kb0thn-2&table=positio
n&maps=yes&search=Search
KB0VYO-12 is a four year old weather station that Adam Frisch (KB0VYO) and
I built. It was originally funded by a $1,000 grant from the Minnesota 4H
foundation. Over the years it has gone through many incarnations. Now it is
a Unisolar US-32 PV panel, 34 amp/hour Concorde AGM battery, Sun Guard
charge controller, ADI AT-400HP 70cm HT, Kantronics KPC-3, and a weather
station of my own design. There are some pictures of it over the years at:
http://jamesj.jarviscomputer.com/gallery/wiscoy
The KB0THN-2 station is brand new. I put it on the air two days ago at my
family cabin on Madeline Island in Lake Superior. The digipeater that it
needs to get out to an IGATE seems sporadic and so most of its packets are
getting dropped. It consists of a 50 watt ASE solar panel, 105 amp/hour
marine deep cycle, Sun Guard charge controller, Kenwood TH-G71, Kantronics
KPC-3, and a weather station of my own design. It reports temperature, wind
speed, wind gust, and raw rain fall.
I'd be happy to answer any questions about them.
From a general solar stand-point you want to oversize your PV panel and
battery storage. The price of a 50 watt PV panel is only double that of a
10 watt panel, so go big. The batteries will last longer when they are
being cycled less. Also, get decent batteries or be prepared for trouble.
$30 bargain marine deep cycles will only ensure that you are making
constant trips to the site to troubleshoot battery problems.
Jim KB0THN
>Better yet, does someone have a well-documented example of a solar wx site
>I could look at? This is the first one I've tried to build, and it's
>already turning out to be a learning experience.
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Subject: RE: The UNIVERSAL RULE for PATHS
From: Steve Dimse <k4hg@tapr.org>
Date: Mon, 4 Aug 2003 12:56:39 -0400
X-Message-Number: 15
On 8/4/03 at 12:24 PM Donald Dillaby <ddillaby@comcast.net> sent:
>Unfortunately, findu now includes the Citizen Weather Stations in its list
>so the 40-station number may not be accurate given that CW stations and some
>amateur radio weather stations, mine included, currently forward data via
>the internet and not using APRS on 144.39.
This is nothing new, CW has always appeared in the list. All you need to do
is increase the number of stations on the page with the n parameter
documented at:
http://www.findu.com/cgi.html#near
and then go down the list counting the CW stations, and figure out where
you get to 40.
Steve K4HG
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Subject: Re: FT-11R and APRS
From: "Mark Fellhauer" <sparkfel@qwest.net>
Date: Mon, 04 Aug 2003 11:59:33 -0500
X-Message-Number: 16
At 11:12 AM 8/4/2003, Scott Miller wrote:
>I've been offered the use of a Yaesu FT-11R for a remote weather station.
>Does anyone know if it's got a full-time battery saver like the DJ-S11T, or
>is it selectable? Any other APRS-related issues with this rig?
Selectable Battery Saver.
Like many radios with soft-power, if the voltage goes below a certain point
the FT-11R will shut off and require someone to push the power button to
turn it on; or it will get into a power-on power-off cycle that can not be
stopped unless all voltage is removed for 20 to 30 seconds (manually) and
then full voltage is applied. So I don't think it's the best choice for a
solar powered remote station. An HT like an ADI AT-200 with a real power
switch would probably be a better option.
73,
Mark
KC7BXS
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