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ZL3AI > APRDIG 19.10.03 14:30l 246 Lines 9253 Bytes #999 (0) @ WW
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Subj: TAPR Digest, Oct 17, 3/4
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Sent: 031019/1240Z @:ZL3VML.#80.NZL.OC #:10743 [Chch-NZ] FBB7.00i $:2166-ZL3AI
From: ZL3AI@ZL3VML.#80.NZL.OC
To : APRDIG@WW
Subject: RE: Balloon Information
From: "Mark Conner" <n9xtn@cox.net>
Date: Fri, 17 Oct 2003 13:05:53 -0500
X-Message-Number: 16
The closest to a how-to on line is at the Edge of Space Sciences website at
http://www.eoss.org.
Most people into this (incl. me) use mostly off-the-shelf parts for radios
and so forth. The main custom piece I use is a Basic Stamp 2p and
associated circuitry, which is based on a design by Paul Verhage KD4STH.
I hope to have more put into my web page at http://www.nstar.org on how my
payloads operate.
A Google Search of "amateur radio balloon" will yield more pages, and a
good index page is at http://users.crosspaths.net/~wallio/HABLinks.html
73 de Mark N9XTN
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Subject: Could someone capture aprs data stream for 24 hrs?
From: "william seffens" <wseffens@cau.edu>
Date: Fri, 17 Oct 2003 13:6:43
X-Message-Number: 17
For over one year now I have been capturing APRS Internet data using
AFilter at two separate locations on campus in Atlanta. This is for a
research project involving AI techniques for data mining real and complex
data. We have a C program that merges the two daily data files to remove
any gaps in data reception. The project is called Citizen Health Observer
Program (CHOP) that is modeled after CWOP and will be described later this
year.
A scheduled power outage on campus will interrupt my network for both
receiving computers. Therefore could one or two persons please capture
APRS Internet data from 11:00 am (EST) 19 Oct 03 (this sunday) to 11 am
Monday (20 Oct 03)? You should use AFilter with "log incomming packets"
and "include header" selected on the Logging tab. The file size will be
slightly over 100 Mbytes. Contact me personally next week at: (wseffens at
cau.edu). Thanks
Wm Seffens
kg4eyo
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Subject: Re: Power Pole Assembly
From: David VanHorn <dvanhorn@cedar.net>
Date: Fri, 17 Oct 2003 13:29:18 -0500
X-Message-Number: 18
>Many times, a crimp and solder connector is required for many mil spec
>applications. Although soldering makes a good electrical connection
>better, it can lead to hard joints which can fatigue and fail....just
>something to be aware of and in many applications, not a problem.
I also use 63/37 solder exclusively, which makes cold joints nearly
impossible, but we are getting away from emergency field work here. I
don't think any of my field day work is going to need to meet mil-spec
anytime soon.
>Telcos have gone away from clamping type connectors and now use crimp
>connectors with properly sized crimp dies that fit the connector and wire
>gauge. None of these connections have been soldered and 15 plus years
>(after the spec change) proves it is not a problem to just crimp this type
>of power connector. I must say that this in a clean, none moving
>enviroment.
Yes, with solid wire as opposed to stranded, and very tightly engineered
connectors, wire, and crimping tools. I used to do major telco installs.
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Subject: Re: Power Pole Assembly
From: "Scott Miller" <scott@opentrac.org>
Date: Fri, 17 Oct 2003 12:22:23 -0700
X-Message-Number: 19
>I also use 63/37 solder exclusively, which makes cold joints nearly
>impossible, but we are getting away from emergency field work here. I don't
>think any of my field day work is going to need to meet mil-spec anytime
>soon.
I've got 63/37 solder, and I understand the value of a eutectic alloy in
theory, but how much difference does it make in practice? I use 60/40 rosin
core most of the time because it flows better - I think that may be because
of the difference between the rosin flux and the 'no-clean' flux in my 63/37
and not the difference in the alloy, though. I've mostly limited my use of
the 'no-clean' to rework stuff where I don't want to attack it with rosin
flux remover. I also can't stand the noxious fumes from the 'no-clean'
flux - rosin's a lot easier on the nose.
In any case, I solder just about every connector I can, and put strain
reliefs everywhere possible. I find that a little hot melt glue in the
right places can go a long way toward reducing strain on a hard joint,
especially in places like a wire connection to a circuit board. For audio
connectors, I'll usually fill up the connector shell with glue when I'm
done. If it does need to be repaired eventually, it's usually possible to
rip the glue out without too much trouble.
Scott
N1VG
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Subject: Re: Power Pole Assembly
From: David VanHorn <dvanhorn@cedar.net>
Date: Fri, 17 Oct 2003 14:46:43 -0500
X-Message-Number: 20
At 12:22 PM 10/17/2003 -0700, Scott Miller wrote:
>>I also use 63/37 solder exclusively, which makes cold joints nearly
>impossible, but we are getting away from emergency field work here. I don't
>think any of my field day work is going to need to meet mil-spec anytime
>soon.
>
>I've got 63/37 solder, and I understand the value of a eutectic alloy in
>theory, but how much difference does it make in practice?
Not much, if you switch back and forth. What's on the tip is always
somewhere inbetween. Try the following experiment:
Using 60/40
Make a little puddle on the bench, and tin a couple wires, and put them in
the puddle. Heat the whole thing, then let it cool while you move the
wires. Observe the mess.
Now flush the tip with 63/37, and repeat with new wires, and a new puddle
of 63/37
>In any case, I solder just about every connector I can, and put strain
>reliefs everywhere possible. I find that a little hot melt glue in the
>right places can go a long way toward reducing strain on a hard joint,
>especially in places like a wire connection to a circuit board. For audio
>connectors, I'll usually fill up the connector shell with glue when I'm
>done. If it does need to be repaired eventually, it's usually possible to
>rip the glue out without too much trouble.
A very good idea.
This is probably the only application of hot "glue" that I like, given that
it totally sucks as an adhesive. The advantage here, is that heat will
remove it completely, unlike silicone.
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Subject: yaesu vx 150?
From: Kevin Deckert <kdeckert@telus.net>
Date: Fri, 17 Oct 2003 13:25:20 -0700
X-Message-Number: 21
Anyone out yonder own a yaesu vx 150???
What are the tx/rx limits some places say it only goes down to 140.00
some say lower...please contact me direct..Kevin
ve7whk@rac.ca
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Subject: Re: Power Pole Assembly
From: "Chuck Gooden" <CGooden@insightbb.com>
Date: Fri, 17 Oct 2003 16:26:53 -0500
X-Message-Number: 22
Could someone tell me where I can get the Klien Tools #1006 crimper? I
have check our local hardware stores and they only carry the #1005. Could
someone tell me what the difference is, or if a #1005 will work. I'd
rather not waste $20.00.
I see no mention of the manufacture of the low cost crimper on the mfr web
page for Power Poles. Is it a Klien, or a cheap import?
73's
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Subject: Re: Power Pole Assembly
From: "JBCrafts" <jbcraft@adelphia.net>
Date: Fri, 17 Oct 2003 17:45:08 -0400
X-Message-Number: 23
I found the G&B version at Parts Express. I think they sell for $12.00.
When I bought mine, they were a new item in the catalog.
Bob K8YS
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Subject: Re: Anderson Power Poles
From: Henk de Groot <henk.de.groot@hetnet.nl>
Date: Fri, 17 Oct 2003 13:47:30 +0200
X-Message-Number: 24
At 13:25 16-10-03 -0400, Robert Radmore wrote:
>Not looking to start another Power Pole fiasco....
It looks like it didn't succeed, its heading for another fiasco by the
looks of it...
Kind regards,
Henk.
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Subject: Re: Power Pole Assembly
From: James Washer <washer@trlp.com>
Date: Fri, 17 Oct 2003 15:23:43 -0700
X-Message-Number: 25
www.kleintools.com
Looks like the 1005 is for Insulated and non-insulated, whereas the 1006 is
non-insulated only...
Any 'electrical supply house' should have them ( i.e. where the local
electricians go to be wire/supplies/tools. Call a local electrician an ask
where they go.
Or search the kleintools website for a distributor.
Others have mentioned they've had luck with other brands.. I dunno.. I can
tell you that klein makes QUALITY tools.
- jim
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Subject: Re: Power Pole Assembly
From: Dale Blanchard <wa7ixk@arrl.net>
Date: Fri, 17 Oct 2003 15:31:52 -0700
X-Message-Number: 26
You can solder them if you do not want to buy the tool. You can also use
them over if needed. I just use one of my other of many crimping tools. AES
has the proper tool in stock. Crimped stuff can come undone unless crimped
very hard.
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