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ZL3AI > APRDIG 21.08.06 23:30l 273 Lines 8583 Bytes #999 (0) @ WW
BID : 8621-ZL3AI
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Subj: [APRSSIG] Vol 26 #18, 1/3
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From: ZL3AI@ZL2BAU.#87.NZL.OC
To : APRDIG@WW
Today's Topics:
1. Tracking my trip (Garren Davis)
2. Re: Tracking my trip (Steve Dimse)
3. RE: Tracking my trip (Garren Davis)
4. Re: Tracking my trip (Steve Dimse)
5. Maths Funny (Andrew Rich)
6. RE: Tracking my trip (Garren Davis)
7. Re: Tracking my trip (Steve Dimse)
8. RE: Tracking my trip (VE7GDH)
9. Re: APRS wish list (Bob Burns K4RXR)
10. RE: Tracking my trip (Garren Davis)
11. RE: Tracking my trip (scott_at_opentrac.org)
12. RE: Tracking my trip (Garren Davis)
13. RE: Beacon Doesn't (Stan - N0YXV)
14. Re: APRS in Ontario/Quebec (Chris Rose)
15. REF:APRS in Ontario-Quebec (Matthew Stennett)
16. Cheap USB GPS available again (Ben Jackson)
17. Messaging breakout (xastir) (Andrew Rich)
18. RE: Looking for a power supply (Dave Baxter)
19. RE: Tracking my trip (Bob Burns K4RXR)
20. RE: Beacon Doesn't (Robert Bruninga)
21. Re: APRS wish list (Curt, WE7U)
22. Re: Messaging breakout (xastir) (Curt, WE7U)
23. RE: Beacon Doesn't (Robert Bruninga)
24. RE: Tracking my trip (Curt, WE7U)
25. Re: Cheap USB GPS available again (Jason Winningham)
26. Anyone know i3eme ? (Andrew Rich)
27. RE: Tracking my trip (Bob Burns K4RXR)
28. RE: Messaging breakout (xastir) (scott_at_opentrac.org)
29. RE: Tracking my trip (scott_at_opentrac.org)
30. RE: Tracking my trip (scott_at_opentrac.org)
31. RE: Cheap USB GPS available again (scott_at_opentrac.org)
32. Re: Cheap USB GPS available again (Jason Winningham)
33. RE: Cheap USB GPS available again (scott_at_opentrac.org)
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Message: 1
Date: Thu, 17 Aug 2006 11:55:44 -0700
From: "Garren Davis" <garren.davis_at_qlogic.com>
Subject: [aprssig] Tracking my trip
Last week I went on a trip to Lake Mead with an Opentracker in the car. I
had a GPS connected and the tracker set to transmit my position every 3
minutes when moving and every 30 minutes when not moving. Looking on Findu
I can see my raw packets all the way to the lake. When I look at my track
using the Line cgi the track stops at around Barstow. Is there something
about the number of track points allowed on Findu that would cause this or
am I doing something wrong.
Also I left the tracker on in the vehicle near the lake but forgot to reset
the location in the tracker. So the tracker shows a location in Southern
California even though it is still in Nevada.
Garren
KB6FAS
------------------------------
Message: 2
Date: Thu, 17 Aug 2006 15:31:35 -0400
From: Steve Dimse <steve_at_dimse.com>
Subject: Re: [aprssig] Tracking my trip
You have three different SSIDs, I cannot figure out which is which. Please
provide the exact URL you feel is not displaying the correct track.
------------------------------
Message: 3
Date: Thu, 17 Aug 2006 13:33:08 -0700
From: "Garren Davis" <garren.davis_at_qlogic.com>
Subject: RE: [aprssig] Tracking my trip
Sorry. I was doing some experiments at home and I was using different
SSID's to keep track of things. This is the call sign I was using on my
trip to the lake.
http://www.findu.com/cgi-bin/line.cgi?call=KB6FAS&start=150
Garren
KB6FAS
------------------------------
Message: 4
Date: Thu, 17 Aug 2006 16:58:56 -0400
From: Steve Dimse <steve_at_dimse.com>
Subject: Re: [aprssig] Tracking my trip
On Aug 17, 2006, at 4:33 PM, Garren Davis wrote:
>Sorry. I was doing some experiments at home and I was using
>different SSID's to keep track of things.
>This is the call sign I was using on my trip to the lake.
>
>http://www.findu.com/cgi-bin/line.cgi?call=KB6FAS&start=150
Well, there is a parameter in line that prevents drawing lines over a
certain distance, turning it off shows a good example of why it is there,
to remove garbage from outlying points.
http://www.findu.com/cgi-bin/line.cgi?call=KB6FAS&start=150&maxgap=999
In this case, looking at the raw data:
http://www.findu.com/cgi-bin/raw.cgi?call=KB6FAS&start=150&time=1
There seem to be periods of valid data interspersed with this
KB6FAS>APOT02,WIDE1-1,WIDE2-1,qAR,N6EX-3:!3333.00N/11733.00WR 12.8V
30CBack home
The round-number data suggests manually entered data...
GIGO...
Steve K4HG
------------------------------
Message: 5
Date: Fri, 18 Aug 2006 07:13:36 +1000
From: "Andrew Rich" <vk4tec_at_tech-software.net>
Subject: [aprssig] Maths Funny
Subject: Just about sums things up!
London 11th August - A public school teacher was arrested today at Gatwick
Airport as he attempted to board a flight while in possession of a ruler, a
protractor, a set square, a slide rule, and a calculator.
At a morning press conference, Home Secretary John Reid said he believes the
man is a member of the notorious Al-gebra movement. He did not identify the
man, who has been charged by the Met Police with carrying weapons of maths
instruction. "Al-gebra is a problem for us," Reid said.
"They desire solutions by means and extremes, and sometimes go off on
tangents in a search of absolute values. They use secret code names like 'x`
and `y` and refer to themselves as `unknowns,` but we have determined they
belong to a common denominator of the axis of medieval with co-ordinates in
every country. As the Greek philanderer Isosceles used to say, "There are 3
sides to every triangle".
When asked to comment on the arrest, Prime Minister Tony Blair, speaking
from his holiday resort before the planes stopped flying, said, "If God had
wanted us to have better Weapons of Maths Instruction, He would have given
us more fingers and toes."
Andrew Rich
Amateur radio callsign VK4TEC
email: vk4tec_at_tech-software.net
web: http://www.tech-software.net
Brisbane AUSTRALIA
------------------------------
Message: 6
Date: Thu, 17 Aug 2006 14:13:21 -0700
From: "Garren Davis" <garren.davis_at_qlogic.com>
Subject: RE: [aprssig] Tracking my trip
Ok, I now understand how dumb it was to set up the tracker that way. It
switches to config 2 when I am moving and back to config 1 when I am
stopped. Config 2 used the GPS for the location and config 1 used a preset
location. What made it worse is all the stop and go traffic I hit. Made a 5
hour drive into a 9 hour drive.
What is GIGO...
Garren
KB6FAS
------------------------------
Message: 7
Date: Thu, 17 Aug 2006 17:19:39 -0400
From: Steve Dimse <steve_at_dimse.com>
Subject: Re: [aprssig] Tracking my trip
On Aug 17, 2006, at 5:13 PM, Garren Davis wrote:
>What is GIGO...
Computer science expression, garbage in, garbage out. If you feed a
computer bad input, it is unsurprising the output is incorrect.
Steve K4HG
------------------------------
Message: 8
Date: Thu, 17 Aug 2006 14:30:41 -0700
From: "VE7GDH" <ve7gdh_at_rac.ca>
Subject: RE: [aprssig] Tracking my trip
Garren KB6FAS wrote...
>What is GIGO...
garbage in - garbage out (hi)
73 es cul - Keith VE7GDH
--
"I may be lost, but I know exactly where I am!"
------------------------------
Message: 9
Date: Thu, 17 Aug 2006 17:39:26 -0400
From: Bob Burns K4RXR <k4rxr__at_rlburns.net>
Subject: Re: [aprssig] APRS wish list
Quoting "Jan T. Pharo" <la2bba_at_jpharo.net>:
>Bob Burns K4RXR <k4rxr__at_rlburns.net>, Tue, 15 Aug 2006 22:12:01 -0400:
>
>>It'd be great if there was a way to let the D700 continue to run in
>>APRS mode and then have a mapping program that pulls the positions
>>from the D700. I haven't seen anything like that out there.
>
>A maritime GPS/Chart plotter, getting NMEA IN from the D700, will do
>that.
Interesting point. The D700 will generate NMEA waypoints ($GPWPL sentences)
for position reports that it receives and transmit them back to the GPS
receiver on the GPS port of the D700. Some GPS's will then display those
waypoints.
Is there a PC-based APRS client that can read those waypoints from the
RS-232 port on the D700?
Bob...
------------------------------
Message: 10
Date: Thu, 17 Aug 2006 14:52:08 -0700
From: "Garren Davis" <garren.davis_at_qlogic.com>
Subject: RE: [aprssig] Tracking my trip
I should have known that. I work on computers for a living. Thanks for your
help.
Garren
KB6FAS
------------------------------
Message: 11
Date: Thu, 17 Aug 2006 15:20:53 -0700
From: <scott_at_opentrac.org>
Subject: RE: [aprssig] Tracking my trip
Sounds like you probably want to use SmartBeaconing instead, to set
different beacon rates when you're moving or stopped. Or at least make
sure both profiles are set to use the GPS. If you turn on the
transmit-without-fix option, you can power off the GPS receiver and the
tracker will keep sending the last position, as long as it has power
itself.
Scott
N1VG
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