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ZL3AI > APRDIG 09.11.06 07:01l 287 Lines 9621 Bytes #999 (0) @ WW
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Subj: [APRSSIG] Vol 29 #7, 1/2
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From: ZL3AI@ZL2BAU.#87.NZL.OC
To : APRDIG@WW
Today's Topics:
1. RE: Remote monitoring (Mike Call)
2. RE: Remote monitoring (Bogdan, Rick)
3. RE: Remote monitoring (Robert Bruninga)
4. Re: Remote monitoring (James Jefferson Jarvis)
5. RE: Remote monitoring (scott_at_opentrac.org)
6. RE: Re: *** APRS TNC Test CD Now Available *** --- Can't Play It
(Dave Baxter)
7. Re: Remote monitoring (Phillip B. Pacier)
8. Re: Remote monitoring (Chuck Kimball)
9. Re: *** APRS TNC Test CD Now Available *** --- Can't Play It
(Stephen H. Smith)
10. Cheep GPS for Kenwood D700 and D7A (KC0RNP - Richard)
11. Re: Maxon data radios (Art)
12. Re: Maxon data radios (Mike Galgano)
13. RE: Remote monitoring (Robert Bruninga)
14. Re: *** APRS TNC Test CD Now Available *** --- Can't Play (Ralph Milnes)
15. Re: Remote monitoring (Ian ZL1VFO)
16. Great APRS story (Wes Johnston, AI4PX)
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Message: 1
Date: Mon, 6 Nov 2006 10:18:37 -0800 (PST)
From: Mike Call <mcall67_at_yahoo.com>
Subject: [aprssig] RE: Remote monitoring
I have one of Scott's Opentrackers(OT1) monitoring a camp on Schoodic lake
in Maine(N1IVY-5). I'm using the one-wire firmware with a temperature
sensor. It works very well, gaps in the data show power outages.
Mike
N1IVY
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Message: 2
Date: Mon, 6 Nov 2006 14:30:37 -0500
From: "Bogdan, Rick" <rbogdan_at_ursinus.edu>
Subject: RE: [aprssig] Remote monitoring
Thanks for the replies. Scott, your Opentracker looks interesting. The
DB9 "Y" cable you mentioned, is it home brew also? Ok on the diode on
the Opentracker, but what about the existing tnc sensing the Opentracker
keying the radio?
Thanks,
Rick ka1udx
-----Original Message-----
>Do you want the telemetry and digi to be the same device? My Tracker2 will
>do that, but it's not in regular production yet.
>
>The OpenTracker will give you temperature and voltage telemetry. With a
>little tweaking, you can share a single radio for the existing TNC and the
>OpenTracker. I'm doing just that in my garage, where I've got a radio
>shared between two trackers and a TNC. I just use DB9 'Y' cables to
>connect them, and I think I had to replace one diode with a jumper to get
>the OpenTrackers to detect when the radio is in use by one of the other
>devices.
>
>Scott, N1VG
>http://n1vg.net/opentracker
------------------------------
Message: 3
Date: Mon, 6 Nov 2006 14:33:03 -0500
From: "Robert Bruninga" <bruninga_at_usna.edu>
Subject: RE: [aprssig] Remote monitoring
>I'm looking into a way of... monitoring a repeater site...
>We have a Tiny-2 running as a digi presently (no computer).
>I'm specifically looking to monitor the power and possibly
>the temp. My question is can this existing tnc do it?
No, only comercial TNC that does this is the KPC-3+ and KPC-9612+. They put
out the standard APRS telemetry protocol for 5 telemetry values. The
format is MYCALL>BEACON,PATH:T#SSS,111,222,333,444,555,11111111
Where SSS is the serial number of the packet, then 5 analog values (0 to
255) and then 8 digitial bits. Displaying voltages or current or
temperature is as simple as hooking up some resistors and/or a thermistor.
FINDU.COM then can log and display these over time.
See FINDU Telemetry stations:
http://www.findu.com/cgi-bin/tele-list.cgi
De Wb4aPR, Bob
------------------------------
Message: 4
Date: Mon, 6 Nov 2006 19:42:51 +0000
From: James Jefferson Jarvis <jj_at_aprsworld.net>
Subject: Re: [aprssig] Remote monitoring
Bob wrote:
>No, only comercial TNC that does this is the KPC-3+ and
>KPC-9612+.
>They put out the standard APRS telemetry protocol for 5
>telemetry values. The format is
>MYCALL>BEACON,PATH:T#SSS,111,222,333,444,555,11111111
Does the KPC-3+ allow you to set a path for the telemetry? I recall that
the destination address was hard coded to BEACON, and I'm wondering if path
is as well.
-Jim KB0THN
------------------------------
Message: 5
Date: Mon, 6 Nov 2006 11:53:42 -0800
From: <scott_at_opentrac.org>
Subject: RE: [aprssig] Remote monitoring
The 'Y' cable is a standard, off-the-shelf part. I don't have them listed
on my website, but I have a few on hand. When I was using this setup with a
KPC-3, I never had any real trouble with the TNC not detecting the tracker.
If it's solely a digi, then most of the time the TNC is going to transmit
only after it receives a packet. Set the tracker to have a long quiet time
value, and it'll only transmit when the channel is quiet and the digi isn't
going to be transmitting, except for the occasional ID. The chances of a
collision are small, and the fact that the tracker can detect the TNC's
transmission will tend to keep the two apart even if the interval is the
same.
You might have trouble if you're running open squelch, though - the OT
doesn't have true DCD. You can probably set it up with some creative wiring
in the TNC. Or you could just wait until my Tracker2 is done. =]
Weather permitting, I'll be flying a T2 prototype on a high-altitude balloon
in the Mojave desert this Saturday. It'll be sending telemetry, tracking
data, and will be acting as a digipeater. Anyone in range is welcome to try
bouncing a message through it. I should have messaging capability at N1VG-8
(my TH-D7) and whatever I set up in the chase vehicle.
Scott
------------------------------
Message: 6
Date: Mon, 6 Nov 2006 20:05:09 -0000
From: "Dave Baxter" <dave_at_emv.co.uk>
Subject: [aprssig] RE: Re: *** APRS TNC Test CD Now Available *** ---
Can't Play It
Hi...
Well, here are my findings, for what it's worth...
Windows 2000 Pro (fully licensed and legit and up to date.)
The CD (Deluxe) player does not produce any sound, though it appears to
"play" the disk, that is, you can hear the disk drive start and move the
pickup about etc, and the numbers go round, but no sound.
WiMP (V 9.0.x.x.xx) Plays it OK, even ignoring the first data track, so
getting the announcements right for the displayed track numbers.
Interesting watching the tones with some of the spectral waterfall type of
visualisations...
Interestingly, the W2k CD player, does not produce any sound with a genuine
audio CD. Hmmm.. Currently listening to the 1492 CD (Vangelis) via WiMP
while I type this.
As to the data track. (TNC test disk in another drive now, a DVD-+RW)
The RTF file is corrupt, all I get (in any of 3 RTF compatible readers) is
pages of square blocks, the Null character I think.
Several of the .gif's are also corrupt, neither IE6 nor Paint Shop Pro (V7)
will open them. IE shows the frame with a red X in the top left. PSP
burps and says it's not a valid gif format file.
1200-2200-DeEmph.gif is OK, as is the "flat" version of this. All the
other .gif's are bad.
The DigiStar.ico file is also corrupt, just a load of null bytes.
The Autorun.inf file, is likewise corrupt, just a line of block characters.
At least I can play the audio tracks on a "real" audio player!
My guess is your original Roxio file was OK, but odd things happened during
the conversion to the Nero format.
It's worth noting, that there were some recent updates for part of the
Roxio system, as some of the drivers caused compatibility trouble with
other programs, auto updates etc...
All the best.
Dave G0WBX.
------------------------------
Message: 7
Date: Mon, 06 Nov 2006 12:04:08 -0800
From: "Phillip B. Pacier" <ad6nh_at_arrl.net>
Subject: Re: [aprssig] Remote monitoring
James Jefferson Jarvis wrote:
>Bob wrote:
>
>>No, only comercial TNC that does this is the KPC-3+ and KPC-9612+.
>>They put out the standard APRS telemetry protocol for 5
>>telemetry values. The format is
>>MYCALL>BEACON,PATH:T#SSS,111,222,333,444,555,11111111
>>
>Does the KPC-3+ allow you to set a path for the telemetry? I recall that the
>destination address was hard coded to BEACON, and I'm wondering if path is as
>well.
>
>-Jim KB0THN
The path is taken from your UNPROTO setting.
73
Phil - AD6NH
------------------------------
Message: 8
Date: Mon, 6 Nov 2006 12:10:16 -0800 (PST)
From: Chuck Kimball <n0nhj_at_yahoo.com>
Subject: Re: [aprssig] Remote monitoring
It uses whatever you have in the the UNPROTO command.
I'm monitoring a couple of solar sites with the KPC3+ take a look at
http://www.gmra.org/aprs/solar/ (works best with a mozilla browser).
The graphs are from findu.
Chuck n0nhj
------------------------------
Message: 9
Date: Mon, 06 Nov 2006 12:10:38 -0800
From: "Stephen H. Smith" <wa8lmf2_at_aol.com>
Subject: [aprssig] Re: *** APRS TNC Test CD Now Available *** ---
Can't Play It
1) I think the CDplayer app only issues the mechanical transport
controls for the drive. If some other sound-using app has taken over
control of the audio pathways through the Windows sound system, CDplayer
can't reclaim them.
2) I've heard enough complaints about the corrupted RTF and image
files in the Nero version to conclude that someting is wrong with that
version of the file. I'm going to remove references to the Nero version
of the file from my website.
--
Stephen H. Smith wa8lmf (at) aol.com
EchoLink Node: 14400 [Think bottom of the 2M band]
Home Page: http://wa8lmf.com --OR-- http://wa8lmf.net
NEW! TNC Test CD
http://wa8lmf.net/TNCtest
JavAPRS Filter Port 14580 Guide
http://wa8lmf.net/aprs/JAVaprsFilters.htm
"APRS 101" Explanation of APRS Path Selection & Digipeating
http://wa8lmf.net/DigiPaths
Updated "Rev G" APRS http://wa8lmf.net/aprs
Symbols Set for UI-View,
UIpoint and APRSplus:
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