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CX2SA > SATDIG 15.05.09 02:01l 490 Lines 15600 Bytes #999 (0) @ WW
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To : SATDIG@WW
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Today's Topics:
1. Tracking Friends at Dayton.. (Robert Bruninga)
2. Need identity of a satellite (w4upd)
3. AO-27 22:00z pass (Jeff Yanko)
4. Shuttle launch (Jim Sanford)
5. Re: Tracking Friends at Dayton.. (Nate Duehr)
6. Re: Need identity of a satellite (vk5alx@xxxxx.xxxx
7. AMSAT-UK Colloquium 2009, Guildford England - Final Call for
Speakers (David Johnson)
8. Re: Tracking Friends at Dayton.. (JW)
9. Hudson Valley Satcom Group Net Tonight(May 14)
(Cotejaune2@xxx.xxxx
10. Re: Tracking Friends at Dayton.. (Robert Bruninga)
----------------------------------------------------------------------
Message: 1
Date: Wed, 13 May 2009 16:43:56 -0400
From: "Robert Bruninga" <bruninga@xxxx.xxx>
Subject: [amsat-bb] Tracking Friends at Dayton..
To: "'AMSAT-BB'" <AMSAT-BB@xxxxx.xxx>
Message-ID: <0D7D68E824A6413D9C3E1B0E57372DEC@xxxxx.xxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
This year you can use your DTMF HT to report where you are
hanging out at the Hamvention to about 120 feet just by sending
two digits for your XY coordinate.
Just print a small copy of the map on www.aprs.org/aprstt.html
for the XY grid to carry with you. Everyone in the world
(including those at dayton) looking at an APRS display will be
able to find you. See the live map here:
http://hamvention.aprs.fi/
For example, the Bar at the corner of the arena is at
coordinates 65 and the AMSAT booth is near 32. To send these xy
coordinates into APRS using DTMF, just tune to the APRStt
frequency 146.58 and hit the keys Bxy* then hit the key to send
your DTMF callsign from memory, and bingo... Your transmission
is received by the APRStt engine centrally located (near grid
44) and converted to packet on the APRS channel for the world to
see.
Using the same paper map above, if you have a TH-D7 or VX-8R you
can also report your position to 60 feet without a GPS by just
bumping the hundredths of a minute of lat/long to the aa/bb grid
located on the same map above.
LAT 3949.aa
LON 8415.bb
Print the map from the www.aprs.org/aprstt.html web page. It
also shows you how to program your DTMF callsign so you can save
it in your HT's DTMF memory.
See you on the map at Dayton!
Bob, Wb4APR
------------------------------
Message: 2
Date: Wed, 13 May 2009 16:47:21 -0400
From: w4upd <updwrb@xxxxxxxxxxxxx.xxx>
Subject: [amsat-bb] Need identity of a satellite
To: "Amsat-Bb@xxxxx. Org" <amsat-bb@xxxxx.xxx>
Message-ID: <4A0B31D9.4040208@xxxxxxxxxxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Been hearing a satellite in which its down link similar to that of AO-51
(around 435.310 starting) All I hear is CW telemetry coming from the
unit. The last contact was around 2038 UTC at
28.161350 NORTH Latitude (my location EL98)
80.703160 WEST Longitude
Some of the telemetry I could copy before it faded was:
ISUN0
ITXA0
ITXB6
TTXA65
TTXB66
TNAP80
? MIXF0
MCON53
SMA86
SMB62
etc.
There seems to be approximately 17 data codes and then repeats. The
signal is usually strong enough that it comes through quite well even
without the 70cm preamp being turned on.
Anyone have an idea of what satellite that this might be?
Regards,
Reid, W4UPD
------------------------------
Message: 3
Date: Wed, 13 May 2009 15:22:13 -0700
From: "Jeff Yanko" <wb3jfs@xxx.xxx>
Subject: [amsat-bb] AO-27 22:00z pass
To: <amsat-bb@xxxxx.xxx>
Message-ID: <1B418542D17F4CFA94A7F1B0FFAEEADB@xxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Hi all,
I did not copy a thing from AO-27 on the 2157z to 2212z. Was it me or was
it the bird?
73,
Jeff WB3JFS
DM26
Las Vegas, NV
------------------------------
Message: 4
Date: Wed, 13 May 2009 19:31:00 -0400
From: Jim Sanford <wb4gcs@xxxxx.xxx>
Subject: [amsat-bb] Shuttle launch
To: "'Amsat - BBs'" <amsat-bb@xxxxx.xxx>
Message-ID: <4A0B5834.5080808@xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
All:
Enjoyed the traffic about seeing the launch from Titusville and other
places in FL. I grew up in Titusville with Mercury, Gemini and Apollo,
know the original owner of the 146.94 machine, and remember vividly
where I was when the astronauts in Challenger died . . . and COlumbia,
and Apollo 1 . . . . For me it was PERSONAL, even more so for my kids,
who had TOUCHED Challenger - my dad still worked at the cape, and we
got to go to VIP viewing stands, open houses, and the rest.
I have read the Challenger loss report and the Apollo 13 mission reports
and assessment of causes.
I was devastated to read in the Columbia report of the similarities with
Challenger . . . . .
Last week, in my day job, I was teaching some folks about lessons from
all of the above, relating it to our professional work.
What does this have to do with AMSAT, other than being space-related?
I'm reminded of a quote from Santayana: "He who will not learn from the
past is condemned to repeat it."
I think we honor the lost heroes by doing all we can to learn from the
past, including NASA's losses.
Very 73,
Jim
wb4gcs@xxxxx.xxx
------------------------------
Message: 5
Date: Wed, 13 May 2009 17:55:37 -0600
From: "Nate Duehr" <nate@xxxxxxxx.xxx>
Subject: [amsat-bb] Re: Tracking Friends at Dayton..
To: bruninga@xxxx.xxxx "'AMSAT-BB'" <AMSAT-BB@xxxxx.xxx>
Message-ID: <1242258937.26186.1315352999@xxxxxxx.xxxxxxxxxxxxxxx.xxx>
Content-Type: text/plain; charset="ISO-8859-1"
On Wed, 13 May 2009 16:43:56 -0400, "Robert Bruninga"
<bruninga@xxxx.xxx> said:
> This year you can use your DTMF HT to report where you are
> hanging out at the Hamvention to about 120 feet just by sending
> two digits for your XY coordinate.
LOL...
If I were going to be there, I'm going to say via that same HT...
"I'm standing in front of the Brautwurst stand."
Faster than looking myself up on an arbitrary map, punching digits,
hoping my friend has the map...
Cool idea, but not sure what problem it's a solution for? I guess if I
broke my mic?
Plus, 120' often isn't high enough "resolution". I've stood one stall
away from someone in the flea market looking for them before. :-)
Oh well, don't mean to be nitpicky -- have fun at Dayton, all. Even
this would be "fun" I guess... I don't know... that's stretching it a
bit.
FUN... is finding the repeater or other project parts you need... and
knowing you have a way to get them home! (GRIN)
Nate WY0X
--
Nate Duehr
nate@xxxxxxxx.xxx
------------------------------
Message: 6
Date: Thu, 14 May 2009 10:22:12 +0930
From: vk5alx@xxxxx.xxx
Subject: [amsat-bb] Re: Need identity of a satellite
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Message-ID: <1917312549.20090514102212@xxxx.xxx>
Content-Type: text/plain; charset=iso-8859-15
I think that one is RS-30
Cheers
Alex VK5ALX
------------------------------
Message: 7
Date: Thu, 14 May 2009 09:58:46 +0100
From: David Johnson <dave@xxxxx.xx.xx>
Subject: [amsat-bb] AMSAT-UK Colloquium 2009, Guildford England -
Final Call for Speakers
To: amsat-bb@xxxxx.xxx
Message-ID: <4A0BDD46.1070808@xxxxx.xx.xx>
Content-Type: text/plain; charset=ISO-8859-1
This year AMSAT-UK will be holding their Colloquium on Saturday July
25th and Sunday 26th July at the Holiday Inn in Guildford, Surrey.
Details of this and previous events can be found at:
http://www.uk.amsat.org/colloquium
AMSAT-UK invite speakers, about amateur radio space and associated
activities, for this event. They are also invited to submit papers for
the "Proceedings" document which will be published at the same time but
printed papers are not mandatory. We normally prefer authors to present
talks themselves rather than having someone else give them in the
authors' absence. We also welcome "unpresented" papers for the
Proceedings document.
Offers of talks should be submitted as soon as possible; the final date
for full documents to be received is late-June 2009 in order that the
"Proceedings" document be available to participants.
Submissions should be sent *ONLY* to G4DPZ via the following routes:
e-mail: david dot johnson at blackpepper dot co dot uk
SnailMail: QTHR from http://www.qrz.com/
(enter G4DPZ is the callsign box)
AMSAT-UK also invite anyone with requests for Program Topics to submit
them as soon as possible to G4DPZ. Invitations for any papers on
specific subjects will be included in the future call. Likewise if
anyone knows of a good speaker, please send contact and other
information to G4DPZ.
73
Dave, G4DPZ
AMSAT-UK 1267
AMSAT-NA LM-2260
------------------------------
Message: 8
Date: Thu, 14 May 2009 05:04:09 -0400
From: "JW" <ns1z@xxx.xx.xxx>
Subject: [amsat-bb] Re: Tracking Friends at Dayton..
To: "Nate Duehr" <nate@xxxxxxxx.xxx>, "'AMSAT-BB'"
<AMSAT-BB@xxxxx.xxx>
Message-ID: <5A896A0D03C7401DB5D5684317F14EC1@xxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
You have to admire Bob. No matter what you are doing, from the mundane
to exotic, he has found a way for aprs to be an integral part. Maybe he
should have been a salesman instead of a teacher...
----- Original Message -----
From: "Nate Duehr" <nate@xxxxxxxx.xxx>
To: <bruninga@xxxx.xxx>; "'AMSAT-BB'" <AMSAT-BB@xxxxx.xxx>
Sent: Wednesday, May 13, 2009 7:55 PM
Subject: [amsat-bb] Re: Tracking Friends at Dayton..
> On Wed, 13 May 2009 16:43:56 -0400, "Robert Bruninga"
> <bruninga@xxxx.xxx> said:
>> This year you can use your DTMF HT to report where you are
>> hanging out at the Hamvention to about 120 feet just by sending
>> two digits for your XY coordinate.
>
> LOL...
>
> If I were going to be there, I'm going to say via that same HT...
>
> "I'm standing in front of the Brautwurst stand."
>
> Faster than looking myself up on an arbitrary map, punching digits,
> hoping my friend has the map...
>
> Cool idea, but not sure what problem it's a solution for? I guess if
> I
> broke my mic?
>
> Plus, 120' often isn't high enough "resolution". I've stood one stall
> away from someone in the flea market looking for them before. :-)
>
> Oh well, don't mean to be nitpicky -- have fun at Dayton, all. Even
> this would be "fun" I guess... I don't know... that's stretching it a
> bit.
>
> FUN... is finding the repeater or other project parts you need... and
> knowing you have a way to get them home! (GRIN)
>
> Nate WY0X
> --
> Nate Duehr
> nate@xxxxxxxx.xxx
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the
> author.
> Not an AMSAT-NA member? Join now to support the amateur satellite
> program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 9
Date: Thu, 14 May 2009 08:02:13 EDT
From: Cotejaune2@xxx.xxx
Subject: [amsat-bb] Hudson Valley Satcom Group Net Tonight(May 14)
To: amsat-bb@xxxxx.xxx
Message-ID: <c0c.5cbd5cb7.373d6245@xxx.xxx>
Content-Type: text/plain; charset="US-ASCII"
It's time again for the Hudson Valley Satcom Group Net on Echolink node
n2eyh-L at 8 PM EST. We can also be heard on the Mt. Beacon repeater at
146.970
PL 100. Stop in this evening and join us. We are located about 70 miles
north of NYC. Hope to hear you there.
73
Gary WA2AQH
**************Dell Mini Netbooks: Great deals starting at $299 after
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------------------------------
Message: 10
Date: Thu, 14 May 2009 10:00:00 -0400
From: "Robert Bruninga" <bruninga@xxxx.xxx>
Subject: [amsat-bb] Re: Tracking Friends at Dayton..
To: "'Nate Duehr'" <nate@xxxxxxxx.xxx>, "'AMSAT-BB'"
<AMSAT-BB@xxxxx.xxx>
Message-ID: <177A4FEB4F0E4D6BB32FDE81F1B29256@xxxxx.xxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
>> This year you can use your DTMF HT to report
>> where you are hanging out at the Hamvention
>> to about 120 feet just by sending
>> two digits for your XY coordinate.
> LOL...
> If I were going... I'm going to say via that same HT...
> "I'm standing in front of the Brautwurst stand."
> Faster than looking myself up on an arbitrary map,
> punching digits, hoping my friend has the map...
APRS was never intended as an end in itself. It is just another
tool in the Ham's toolbox. And it is NOT a tracking system. It
was never designed to provide the bandwidth for continuous
tracks on everyone or even on ANYone. That is the great
missconception about APRS and what burdens the network with
unnecessary tracking data when 99% of everyone could care less
where 99% of everyone else is.
APRS is a communications system on a single National channel
everywhere to facilitate communications between hams needing to
communicate without apriori knowledge. There is no reason to
transmit your position, unless there is a specific reason why
you want someone else to know where you are at that instant. Or
to give them in the blind, your call-back frequency.
At Dayton, if you stop for an hour in a forum, or stop for 30
minutes under your club tent, or at the food court or the Bar,
then you might want to send out a posit to let your buddies know
where you are. In this case there are only four XY coordinates
of interest to you. The one at your club tent, the one at the
food court, the one at the bar, and the one at the Forums.
> Alternatively, someone who wants to know
> where I am can call my callsign on an
> agreed frequency.
That works too but requires some inconveniences too.
1) you must have a pre-arranged freq
2) the freq must be relatively clear of other chatter
3) No opportunity for meeting others without #1,#2
4) the recepient must be listeing FULL time
5) Must have his volume turned up
6) Must be paying attention to ALL voice traffic so that he can
possibly hear his own call amongst the othres
So both methods have advantages and disadvantages.
An advantage of APRS and APRStt is that the system is global.
Once you send out your DTMF callsign memory, anyone in the World
of amateur radio that needs to conatact you can not only see you
are in dayton (or timbucktu), but can text message you. Again,
not that anyone would, but if you ARE expecting someone at a
distance to contact you, this gives you the means to be
contacted.
For special events like marathons, etc. Just two single digit
numbers you may use for your position can be the mile-marks.
This lets a VIP shadow, or SAG wagon or any other non-APRS
moving asset occasionally report what station it is near (not
while moving of couse0, but when he shifs from one station to
another. This eliminates a lot of voice traffic from an already
overloaded voice net. There are xxyy, xxxyyy and xxxxyyyy
higher precision formats available.
Hope that helps.
Bob, WB4APR>
------------------------------
_______________________________________________
Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
http://amsat.org/mailman/listinfo/amsat-bb
End of AMSAT-BB Digest, Vol 4, Issue 224
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