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ZL3AI > APRDIG 03.06.04 10:27l 333 Lines 11218 Bytes #999 (0) @ WW
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From: ZL3AI@ZL3VML.#80.NZL.OC
To : APRDIG@WW
Subject: Re: [sar-aprs] RE: SAR mapping support
From: "Spider" <spider@rivcom.net>
Date: Mon, 31 May 2004 12:07:48 -0700
X-Message-Number: 16
----- Original Message -----
From: "Herb Gerhardt" <hgerhardt@wavecable.com>
Hi Herb!
>Now for what I would consider the IDEAL APRS SAR mapping program:
>
> 1. It should be free or nearly so.
MapSource comes with many of the Garmin GPS's that use it...for free. I
have 3 or 4 copies laying around from all the GPS's I have been buying
lately.
> 2. It should be simple. The KISS principle.
MapSource is simple....I can not think of it being any simpler and it just
got a face lift on May 24th.
> 3. It should be on the Windows Operating System which the majority of us
>old duffers use.
MapSource works on Window. It no longer supports Windows 95 but older
versions do, which still work ok.
> 4. It should be capable of being run on "older" cast away computers and
>laptops with a minimal learning curve.
Older versions of MapSource will. The new version requires Explorer 4.0 or
better.
> 5. It should be capable of being run on a laptop and also have the same
>maps capable of being uploaded to a mapping GPS. Now that it the real
>monkey wrench!
MapSource does this and works very well. Want me to send you a screen shot?
> 6. It must have Topo Maps as the main mapping system for SAR use which in
>our areas is mainly in mountainous terrain.
> 7. The maps must be capable of being altered by the user, i.e., add dirt
>roads, new roads, delete errors, etc.
I use MapSource TopoWest and it's just fine. I can add, etc. I can also
submit errors or additions to Garmin and get the maps updated for everyone.
>Well, am I dreaming, or what? No, I can't imagine that anyone will ever
>come up with a system that meets all of these requirements.
What did MapSource not do for you???
What I think I
>could settle for is, if someone could write with an APRS patch program that
>would allow the GARMIN Topo CD maps to be utilized for real live zoomable
>maps in a Windows APRS program. Then we could see live APRS trackers on the
>computer screen in base camp and the search teams could have the exact same
>maps as the background maps in their GPS. Now if the SAR teams use a
>Kenwood D7A radio with a Garmin V GPS or similar unit, for their tracker,
>they would also be able to see the other teams on their GPS screen!
Sigh....Yeah...we are a long way from that. I a
>Would that be the cat's meow or what? Maybe Garmin would make an APRS Ham
>Radio for us similar to their Rino 130 but on Ham radio frequencies and at 5
>to 7 watts of output power. Kenwood, you better look out. Such an HT with
>not only contain a TNC but also a GPS with uploadable maps!
It would kick Kenwood's butt 1000 times over! They would not have to use
APRS....I would hope they would not use APRS. Keep their own protocol and
offer the server and client software to go along with MapSource....just use
UI so it would work on existing UI networks. Any of the current Aprs
Server programmers could whip a new server out in short time, I bet.
Garmin's protocol seems to be pretty good. It would be nice to not have to
poll the Rino data to see what it sees from a connected computer. All
garmin would have to do is tweek the frequency down to the UHF ham
band...(445.950 for example) and we would have instant use of these. They
could 'test' the market by doing this too.
There is really no need for a 'national' network of them....keeping it LOCAL
is not such a bad thing.
Jim, WA6OFT
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Subject: Future of APRS ?
From: "Andrew Rich" <vk4tec@hotmail.com>
Date: Tue, 01 Jun 2004 07:58:43 +1000
X-Message-Number: 17
Are there any papers on future direction of APRS ?
We have seen:-
1. Smart beaconing
2. Email intrafacing
3. Wap browser web pages
4. Satellite digipeating
5. Weather stations
6. Telemetry
Do you think much will change in the future ?
1. 802.1 Intergration ?
2. Centralized message server
----------------------------------------------------------------------
Subject: Future Concept : APRS Message server
From: "Andrew Rich" <vk4tec@hotmail.com>
Date: Tue, 01 Jun 2004 08:01:28 +1000
X-Message-Number: 18
I know I threw this idea around a while back.
If you want to send a message to a station that is away, you could submit to
a central server.
The server would store your message. Once the station comes back on, it
would attempt a delivery.
Much like the concept of an SMS SMSC in Mobiles world.
Food for thought ?
----------------------------------------------------------------------
Andrew Rich (VK4TEC)
----------------------------------------------------------------------
Subject: Re: Future of APRS ?
From: wes@johnston.net
Date: Mon, 31 May 2004 18:26:27 -0400 (EDT)
X-Message-Number: 19
Something that Scott suggested was subnet broadcast packets.... taking
copies of the AX.25 packet RX'ed on the air and simply broadcasting them to
the entire subnet on your LAN as a UDP frame. This allows every computer
in your lan to catch all packets from APRS.... just like APRS clients catch
packets on air.
perfect for WiFi and wired lans.
Wes
ham callsign: kd4rdb
find me: http://wesvan.zapto.org
----------------------------------------------------------------------
Subject: RE: Future Concept : APRS Message server
From: "Joel Black" <w4jbb@charter.net>
Date: Mon, 31 May 2004 17:20:28 -0500
X-Message-Number: 20
If I'm understanding you correctly, there is a UI-View add-on that does
something similar. Check out:
http://www.apritch.myby.co.uk/uisf.htm
73,
Joel B. Black
w4jbb@charter.net
http://w4jbb.dynalias.net/
http://webpages.charter.net/w4jbb
-----Original Message-----
I know I threw this idea around a while back.
If you want to send a message to a station that is away, you could submit to
a central server.
The server would store your message. Once the station comes back on, it
would attempt a delivery.
Much like the concept of an SMS SMSC in Mobiles world.
Food for thought ?
----------------------------------------------------------------------
Andrew Rich (VK4TEC)
----------------------------------------------------------------------
Subject: Re: Tons of big name software at huge savings!
From: "J. Duffy Beischel" <duffy@wb8nut.com>
Date: Mon, 31 May 2004 18:49:13
X-Message-Number: 21
How did this garbage get through?
----------------------------------------------------------------------
Subject: Re: D700 Mounting bracket
From: Dale Blanchard <wa7ixk@arrl.net>
Date: Mon, 31 May 2004 16:52:04 -0700
X-Message-Number: 22
Black will absorb heat and re radiate it. Do not leave the head in the
sun while parked. It is OK while driving.
However the black mount will not make any difference. I leave mine in
the sun while riding my motorcylce.
Inside a car gets hotter.
As a side note, black fabric cloth inside a car does not get hotter and
lasts longer. White rots away faster.
Over forty years in the So. NV sun so I know. I just drape a cloth over
my stuff to protect from the sun and theft.
Chuck Gooden wrote:
>I am mounting the control head on my Kenwood THD700 in my
>2002 Venture van using a piece of 90 degree angle aluminium.
>Should I paint the bracket white or black to reduce the heating
>effect from the sun? Or does it matter?
----------------------------------------------------------------------
Subject: Re: [sar-aprs] RE: SAR mapping support
From: Curt Mills <archer@eskimo.com>
Date: Mon, 31 May 2004 17:51:00 -0700 (PDT)
X-Message-Number: 23
On Mon, 31 May 2004, Herb Gerhardt wrote:
>Now for what I would consider the IDEAL APRS SAR mapping program:
>
> 1. It should be free or nearly so.
Xastir.
> 2. It should be simple. The KISS principle.
Xastir. Yea, I know you don't think it is simple Herb, but it
really is. You've just been caught in the middle of install
problems, not runtime problems. If you had someone near you that
could help, you would have been running it in short order. Running
it is simple.
> 3. It should be on the Windows Operating System which the majority of us
>old duffers use.
You're severely limiting things with that. I have no idea why you'd want
to cripple a project like that. No, I'm not trying to be funny.
> 4. It should be capable of being run on "older" cast away computers and
>laptops with a minimal learning curve.
Xastir on Linux. That makes the most efficient use of old hardware.
Much better than you can get out of any Windows version.
> 5. It should be capable of being run on a laptop and also have the same
>maps capable of being uploaded to a mapping GPS. Now that it the real
>monkey wrench!
I don't see the need for that yet. Perhaps I will later.
> 6. It must have Topo Maps as the main mapping system for SAR use which in
>our areas is mainly in mountainous terrain.
Xastir can be set up that way. I run with contiguous topo maps in my Jeep,
in TrackMe mode.
> 7. The maps must be capable of being altered by the user, i.e., add dirt
>roads, new roads, delete errors, etc.
Xastir. You can create maps on the fly, then overlay those on top of other
maps. More capability is planned for the future.
>Well, am I dreaming, or what? No, I can't imagine that anyone will ever
>come up with a system that meets all of these requirements. What I think I
>could settle for is, if someone could write with an APRS patch program that
>would allow the GARMIN Topo CD maps to be utilized for real live zoomable
>maps in a Windows APRS program. Then we could see live APRS trackers on the
>computer screen in base camp and the search teams could have the exact same
>maps as the background maps in their GPS. Now if the SAR teams use a
>Kenwood D7A radio with a Garmin V GPS or similar unit, for their tracker,
>they would also be able to see the other teams on their GPS screen!
>From what I've seen of the Garmin topo maps, you'd be losing a lot of
resolution if you went to those.
>Would that be the cat's meow or what? Maybe Garmin would make an APRS Ham
>Radio for us similar to their Rino 130 but on Ham radio frequencies and at 5
>to 7 watts of output power. Kenwood, you better look out. Such an HT with
>not only contain a TNC but also a GPS with uploadable maps!
>
>I better quit now. I am drooling to much. But all kidding aside, do we
>have anyone in our Ham community who might be able to come up with an APRS
>program that would be capable of using the Garmin Topo maps?
Look at the licensing. If Garmin doesn't allow it directly, then one would
have to work with Garmin to be allowed access to the map format docs or
else allowed to reverse-engineer it. Reverse engineering things without
permission these days is a losing proposition.
--
Curt, WE7U. archer at eskimo dot com
http://www.eskimo.com/~archer
Lotto: A tax on people who are bad at math. - unknown
Windows: Microsoft's tax on computer illiterates. - WE7U.
The world DOES revolve around me: I picked the coordinate system!"
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