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ZL3AI > APRDIG 02.07.03 09:26l 261 Lines 9081 Bytes #999 (0) @ WW
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Subj: TAPR Digest, Jun 29, 1/2
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From: ZL3AI@ZL3VML.#80.NZL.OC
To : APRDIG@WW
TAPR APRS Special Interest Group Digest for Sunday, June 29, 2003.
1. Operation ON-TARGET
2. MER-B Scrubed Met Bill Nye the science guy
3. PCsat and FD
4. Tropical Storm Bill & Wxsvr Changes
5. Royal Rangers Backpacking Trip...
6. RE: Royal Rangers Backpacking Trip...
7. Data from KPC-3+/failure analysis of balloon payload
8. Re: Data from KPC-3+/failure analysis of balloon payload
9. Raw Mic-E conversions?
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Subject: Operation ON-TARGET
From: Bob Bruninga <bruninga@usna.edu>
Date: Sun, 29 Jun 2003 00:01:11 -0400 (EDT)
X-Message-Number: 1
Scouts all over the USA (near mountains) will be climbing to the top of
hills and mountains in 3 weeks to use flashing signal mirrors (and HAM
radio) to communicate from mountain-top-to-mountain top or anywhere they
can. Many will use HAM radio and many will use FRS. Some may even use
APRS.
If you like to DO things with HAM radio, contact you scout troop and have
fun! On July 19th. de WB4APR
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Subject: MER-B Scrubed Met Bill Nye the science guy
From: docfester@mindspring.com
Date: Sun, 29 Jun 2003 01:36:01 -0400 (EDT)
X-Message-Number: 2
If it hadn't been for one (censored,) it would have gone up on time. When
I pulled in at Jetty Park I noticed that there were a lot of banners and
cameras, including one called IMAX? <G> Any how, Cornell University and
JPL were having a bash down there including having a movie filmed in IMAX
format called "MARS." One of the observers, as he has a sundial on the MER
spacecraft, was Bill Nye the Science Guy. So I asked if he could sign my
"unique" tripod (has two wooden heads for video and film) Totally COOL!
Just before the scrubbed was called I was listening on the WX net between
Weather and Weather 1 (the plane) As he was giving a description of the
cloud formation some sort of alarm went off, and he said "stand by."
Immediately after that the launch was scrubbed. As I am not a pilot, I
could not tell what type of alarm it was. Unfortunately, I will have to
spend tommorrow at Kennedy Space Center, lounging around and seeing
exhibits. <g> No problems (so far) with radios and computers for APRS. I
have a new antenna on it and I am using the Kenwood TM-742D.
73's
Les
KD4SFD
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Subject: PCsat and FD
From: Bob Bruninga <bruninga@usna.edu>
Date: Sun, 29 Jun 2003 12:03:46 -0400 (EDT)
X-Message-Number: 3
I did get PCsat turned on about 70% through the East Coast Pass on SUnday
at about 1508z and in the next minute or so, saw these stations before
she went out over the Atlantic and Brazil.
VE3TKB, KE2T, N9YUK-12, KB1GVR, N1FD, W3ADO, WB4APR, VE3DOH
So, at least she still works and a few people got to play. By the way, I
checked pcsat.aprs.org and none of the above callsigns are shown:
Call Age (dd:hh:mm:ss)
PCSat * 00:00:00:07
PE2JMR * 00:05:43:26
W3ADO-1 * 00:05:44:03
PE5YES-4 * 00:05:44:08
VE7RPK * 00:20:34:25
But it simply shows you that we dont have any full time active SATGATES
any more.
Once I turned off the spare receivers and un-cross-connected the
transmitters, PCsat was in great shape:
* Batteries at 16.3 volts (Full charge is 16.8)
* Power out at 1.8 Watts
* Shunt regulator dumping excess solar current
* +Z face (our best solar panel) was putting out 131 mA and facing the sun
and a net + 57 mA was going into the batteries (they wouldnt take any
more current becasue they are so "soft"...)
Sorry I couldnt get it turned on earlier. I had to drop off kid for scout
camp at the same time as the start of the pass, and lost 5 minutes in a
paperwork snafu. Then a 9 minute mad dash to work, and got there with the
pass mostly over. But our experience has been , even if I had been there
earlier, I may have attempted the connect too early and possibly killed
it.
de WB4APR@amsat.org, Bob
PCsat WEB page http://www.ew.usna.edu/~bruninga/pcsat.html
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Subject: Tropical Storm Bill & Wxsvr Changes
From: dale huguley <kg5qd@wxsvr.net>
Date: Sun, 29 Jun 2003 16:16:48 +0000
X-Message-Number: 4
Hi All-
The formation of Bill in the Central Gulf has forced me to impliment some
changes to the Wxsvr Datastream slightly early.
1. Packets are now being re-transmitted on a sliding decay for as long as
they are valid.
2. Tropical Cyclone positions now have the expiration time in the time
stamp field instead of the Valid time. This is to be consistant with the
rest of the objects coming out of Wxsvr. Remember all packets from Wxsvr
have a embedded time stamp at the end- Making the time stamp the expiration
time conveys more information without adding to the packet length.
3. "Area" packets are limited to one packet only- no more multi-packet
areas- Using the compressed version is much better at limiting bandwidth.
See: http://wxsvr.net/Compressed_Format.html
On another note- I was able to use UI-Paintbox to delineate the Tropical
Storm Watch area along the Texas/ Louisiana Coast by hand. This is visible
in Ui-view and xastir.
73 de kg5qd Dale
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Subject: Royal Rangers Backpacking Trip...
From: "Jeffrey P. Nast" <jpnast@lca.duluth.mn.us>
Date: Sun, 29 Jun 2003 19:38:45 -0500
X-Message-Number: 5
On 7/3 Minnesota Royal Rangers Outpost #23 will leave Duluth MN for a
backpacking trip in the Bighorn National Forest of Wyoming. We will start
out on the trail early 7/6 and will come off the trail about noon on 7/11.
(More info about Royal Rangers at http://royalrangers.ag.org).
I will have a D7 and GPS on the trail and will try to hit ground antennas
and PCsat (via the special uplink frequency) to report location and
wellness information via callsign "KC0MKS-7". Would someone out there be so
kind as to capture our positions/messages/graphics during this time period?
Thank you!
One item of special note is that on 7/10 some of the group, weather
permitting, will be attempting to reach the summit of Cloud Peak. Cloud
Peak is the highest point in the Bighorn Mountain range at 13,167'. We will
report position and email success via APRS and try to make some contacts
via voice on 146.520 for as long as a set of batteries hold out. Estimated
time on Cloud Peak will be around noon. Throughout our tenure on the trail
we will be primarily using and monitoring the nationwide simplex frequency
146.520.
Since I can only send 30 characters worth of wellness information from the
D7 per transmit, I came up with a coding scheme for the folks back home to
monitor our condition. It's not perfect, but should work for our trek. I
need to share this with the APRS community so the coding won't be mistaken
for some nefarious activity :-)...
APRS Wellness Codes (best viewed in a fixed font!)
Code Name
0 Jeff Nast (Group Leader, KC0MKS)
1 Diane Nast (Leader)
2 Andrew Nast (KC0MKT)
3 Ted Nast (KC0MKU)
4 Paul Charles (Leader)
5 Dee Charles (Leader)
6 Tim Charles
7 Jon Charles
8 David Steen (KC0MKP)
9 Dan Nierengarten
10 Erik Johnson
Code Symptom
A Altitude Sickness
B Blister
C Cut
D Dehydrated
E Emergency
F Fire burn
G Pain
H Headache
I Infection
K OK
L Lost
N Nausea
P Puncture
Q Sprain
R Respiratory
S Sunburn
T Fever
U Intestinal
X Broken
Z Heat/Sun stroke
Code Body Part
a Head
b Eye
c Mouth (tooth)
d Neck
e Torso
f Arm
g Hand
h Leg
i Ankle
j Foot
k Left
l Right
m Front (Anterior)
n Rear (Posterior)
o Large (high)
p Small (low)
Example: 3L6Skf8Ikb
3L - Ted is lost!
6Skf - Tim has Sunburned Left Arm
8Ikb - David has an Infection in his Left Eye
I will only send new or updated information. Not enough room to
repeatedly send old information.
Sometime after the trip I will post a website with pictures. Hope to
catch you on the air!
-Jeff Nast
KC0MKS
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Subject: RE: Royal Rangers Backpacking Trip...
From: "Scott Miller" <scott@home.miller.org>
Date: Sun, 29 Jun 2003 18:09:09 -0700
X-Message-Number: 6
This sounds a bit like something I was thinking of last week when AE5PL was
dead <G>. Maybe I'll add a medical reporting format to Opentrac for this
sort of thing. You could plug a pulse oximeter into your rig and someone
could just check findu to see if you're dead or not. =]
Seriously, for wilderness SAR reporting it'd be kind of cool to have a PDA
application showing a body outline that you could click on to indicate
deformities, contusions, abrasions, punctures, penetrations, burns,
tenderness, lacerations, swelling, crepitus, boo-boos, owies, and so on. Is
anyone out there familliar with what's on the market now in that department?
Scott
N1VG
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