[amsat-bb] Re: Arrow antenna reconfiguration results - UPDATE

2009-10-03 Thread Jeff Yanko
Could very well be.

73,

Jeff  WB3JFS


- Original Message - 
From: Gary Joe Mayfield gary_mayfi...@hotmail.com
To: 'Jeff Yanko' wb3...@cox.net; 'Charles Suprin' hamaa...@gmail.com
Cc: 'Joe' n...@mwt.net; 'AMSAT-BB' amsat-bb@AMSAT.Org
Sent: Friday, October 02, 2009 6:27 PM
Subject: RE: [amsat-bb] Re: Arrow antenna reconfiguration results - UPDATE


 We are missing the easy answer.  He had diplexer that was off spec.  It
 happens.

 73,
 Joe kk0sd

 -Original Message-
 From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
 Behalf Of Jeff Yanko
 Sent: Thursday, October 01, 2009 4:28 PM
 To: Charles Suprin
 Cc: Joe; AMSAT-BB; Gary Joe Mayfield
 Subject: [amsat-bb] Re: Arrow antenna reconfiguration results - UPDATE

 Hi Charles and the group,

 FB on the numbers.  Interesting to say the least and thanks for taking the
 time to look further into this topic.

 Questions?  I have a few after looking at these numbers and performing 
 more
 observations.

 First, are you testing just the diplexer and not the diplexer and the
 antenna combined?  This could result in an overall number and not just the
 diplexer alone.  How could there be a large discrepency between 
 preliminary
 reports, 2.65dB and .5dB now.  Could be equipment calibration, human 
 error,
 etc. from previously tested, or attempted testing of the device.  I don't
 believe any improvements have been made to the Arrow diplexer, but who
 knows?

 Second, I switched back to the Arrow diplexer and made another comparison
 with the Comet diplexer.  Again, no comparison, the Comet outperformed. 
 Why
 would this happen if the two are pretty close to one another in numbers.
 The Comet has .25db loss at VHF and .26 at UHF.

 Third, with the Arrow diplexer I wouldn't begin to receive the birds until
 almost 3 minutes after AOS, with the Comet diplexer a minute to 1.5 
 minutes
 after AOS.  Yes, watch calibrated to WWV and multiple times of acquiring 
 the
 birds. I've tried both setups with the HT and D710 and they both show the
 same results respectively, Arrow diplexer vs. Comet diplexer.  The antenna
 and coax remain the same, the difference, the diplexer.  May not be test 
 lab
 quality but something is proving itself. What is it?

 Finally, is it just my Arrow diplexer?  Doesn't appear to be shorted or 
 any
 defects to it.  Actually looks great and assembled very well.  I've
 encountered others saying the same thing.  However, a very noticable
 difference to the overall performance.


 73,

 Jeff  WB3JFS


  - Original Message - 
  From: Charles Suprin
  To: Jeff Yanko
  Cc: Joe ; Gary Joe Mayfield ; AMSAT-BB
  Sent: Thursday, October 01, 2009 1:09 PM
  Subject: Re: [amsat-bb] Re: Arrow antenna reconfiguration results - 
 UPDATE


  Howdy Jeff,

  Someone asked and here we go.  A file attachment follows.

  Actually the diplexer looks pretty good.  Less than half a db of loss at
 VHF and around half a dB at UHF.  I checked the calibration and that was
 within tenth of a dB over the entire range.

  Any questions.

  Charles
  AA1VS


  On Sat, Sep 26, 2009 at 6:26 AM, Jeff Yanko wb3...@cox.net wrote:

Hi Joe and all,

I doubt if the Arrow diplexer has 20dB of loss.  If it did, we'd never
receive a signal!  :)

I believe somebody here on the -bb will be performing a test on the
 Arrow
diplexer using a vector/network analyzer.  It will be interesting to 
 say
 the
least.  There were preliminary reports saying the device had a loss
 anywhere
from 2.65 to 2.80dB.  That's close enough to 3dB which is technically
 half
power loss.  Add the loss of a short piece of coax and it will 
 certainly
 be
pushed over the 3dB line.

If I recall correctly, cross polarity is also a 3dB loss.  I have
 noticed
that when I rotate the antenna I might get a stronger downlink but I
 never
lose it when I rotate it back.  Before, when I would do that it would
 drop
once I rotated in either direction from the peak signal.  Basically 
 what
 is
going on is the lossy device is removed and replaced with a more
 efficient
one, that extra net gain you just boosted now shows how the system on
 the
antenna side of the diplexer is truly performing.

I don't have an antenna analysis program to perform a test, but what
 does a
7 element 440 yagi pattern look like and what is its overall gain?

What we need to do is break down the antenna configuration into 3
 segments,
see what their losses and gains are then combine them for the overall
figure.  The 3 segment would be the antenna, the diplexer and the coax.
Each one will be tested individually to give an accurate number for
 each.



73,


Jeff  WB3JFS
- Original Message -

From: Joe n...@mwt.net
To: Gary Joe Mayfield gary_mayfi...@hotmail.com
Cc: 'AMSAT-BB' amsat-bb@amsat.org
Sent: Friday, September 25, 2009 6:42 PM
Subject: [amsat-bb] Re: Arrow antenna reconfiguration 

[amsat-bb] off grid solar system

2009-10-03 Thread paul robinson
Hi guys,must agree with Tom we should all be looking at small pv setups!
here i run 1KW PV charging my stand by bat ! which is some 1500amp ! and 3kw 
inverter! ...look about its amazing what is abt on 12v dc!! i also run solar 
hot water pan...to heat the water paul (2e1eub)


  
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[amsat-bb] Fwd: [ARISS-i] Video available on Internet

2009-10-03 Thread Fabiano Moser
-- Forwarded message --
From: Gaston BERTELS gaston.bert...@skynet.be
Date: 2009/10/3
Subject: [ARISS-i] Video available on Internet
To: aris...@amsat.org


ARISS CIENCIA VIVA CONTACT VIDEO NOW AVAILABLE

The October 1 ARISS School Contact with Ciencia Viva Museum in
Lisbon, Portugal was a success.

A video is presently visible at :

http://www.cvtv.pt/imagens/index.asp?id_tag=15id_video=408

73

Gaston Bertels - ON4WF
ARISS Chairman

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-- 
73
Fabiano Moser CR7/PY5RX
ARISS-PORTUGAL (Amateur Radio on the International Space Station)
Representative at Teleconference and Portugal Telebridge Coordinator.
AMRAD/AMSAT-CT
http://www.amrad.pt/ariss.php

There is no great talent without great will. (Honoré de Balzac)
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[amsat-bb] Re: OFF grid solar system

2009-10-03 Thread Bob Bruninga
 Think in terms of ... an independant 
 12 volt DC system.. starting small 
 and building up over time... We need 
 to be energy independant on a small 
 scale...

Agree, but think in terms of big panels if you want low cost.  I have Eighteen 
1 foot solar panels on my car that produce 215 watts total, but the cost for 
small panels was $2400.  

Now the cost of a single 3.3' by 5.5' house panel is only $600 and it produces 
225 watts.  A 4 to 1 cost savings.  So you can get a lot more watts per dollar 
by getting a large panel.  Though it is a 30 volt panel good for a 24/28 volt 
battery system.  You can still use it for a 12v system by charging the 
batteries in series and using them in parallel or getting a 24VDC to 12VDC 
converter available at any truck parts store.

Bob, Wb4APR
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[amsat-bb] FW: OFF grid solar system

2009-10-03 Thread Thomas McGrane
I am reposting the original message for your review because bruninga 
changed my meaning by taking words out of context. Sorry about the 
repost but I hate having my work corrupted. thanks and go solar, pat


--- Original Message ---
From: Thomas McGrane[mailto:n2...@aceweb.com]
Sent: 10/2/2009 10:39:56 PM
To  : amsat-bb@amsat.org
Cc  : 
Subject : FW: OFF grid solar system

 The grid is vulnerable as a system. We have to stop always thinking 
about being connected to or relying on the utility grid. Think in terms 
of building an independant 12 volt DC system (low voltage) for the 
average dwelling to operate independant of the grid by charging 
batteries from solar or wind and utilizing the energy real time or 
later from the batteries. It seems everyone has visions of large 
expensive rooftop systems but starting small and building up over time 
will reduce the utility bill by substitution.
We need to be energy independant on a small scale as well as looking at 
the big picture. Small systems can easily run lights, TV’s, radios, 
even a small refridgerator for essentials. You would still need the 
grid power for large loads like heat, large refridgerators, etc but you 
can have a seperate system to rely on if you suffer some calamity.
With the advent of the “smart” grid, you dont want to be connected to 
the grid. Remember, the wires are antennas as well as conducting 
electricity. We owe our reliance on a large electrical system to 
Nickolai Tesla who developed high voltage alternating current power 
systems that won out over Thomas Edisons Direct Current system around 
the turn of the last century. The idea was to minmize power loss over 
long distances. Therefore we should all promote local or household Low 
voltage DC solar or wind systems to reduce the use of grid power and 
for much better reliability.
Through the years I have built a very economical system comprised of 
several solar panels with a capacity of about 130 watts that 
automatically charge 6 large deep cycle and regular batteries from 
which I operate some radios , lights and in the event of loss of 
utility power, a small refridgerator. I also have a couple of cheap 
store bought DC to AC inverters if I need to operate an AC device,
Solar panels have come down in price dramatically and production 
capabity is expanding, so start now. Think independant and start small 
instead of suffering mega system price hesitance.
A world of 12 volt dc devices are available from hardware, marine, 
automotive and internet sources. You just have to start.
Be the first on your block to confuse the lineman who show up during a 
power failure. I did.

I posted the above text on the new york times Green Inc energy blog 
back on september 23, 2009 as a comment to an article regarding solar 
power in africa. The internal discharge in a deep cycle battery is only 
about 50 milliamps which I consider insignificant. 

I dont want to be connected to the grid which I consider STUPID and 
you dont either. Dont follow, think for yourselves.

Think about this. brain waves operate up to about 20 cycles per 
second, imagine what 60 cycles is doing to you and the world.

Pat





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[amsat-bb] Re: OFF grid solar system

2009-10-03 Thread Joel Black
Ok, I'm not *trying* to be dense here, but regardless of whether you tie 
into the grid, use batteries, or have an off-grid system with no 
batteries that only works during the day, what happens to the 30% waste 
of generated electricity that is dissipated as heat?  What am I missing?

Something you *all* must be aware of, those transformers on the pole 
work both ways:  7200VAC down to 240VAC and 240VAC back to 7200VAC.  If 
you get a lineman out there working on a phase he thinks is not hot and 
he gets seriously injured or killed, you will be liable.  I'm *not* 
saying this to discourage you, but to make sure you use a licensed 
electrician to install a proper automatic disconnect switch.  Alabama 
Power requires an automatic disconnect.

73,
Joel, W4JBB

Bob Bruninga wrote:
 Think in terms of ... an independant 
 12 volt DC system.. starting small 
 and building up over time... We need 
 to be energy independant on a small 
 scale...
 

 Agree, but think in terms of big panels if you want low cost.  I have 
 Eighteen 1 foot solar panels on my car that produce 215 watts total, but the 
 cost for small panels was $2400.  

 Now the cost of a single 3.3' by 5.5' house panel is only $600 and it 
 produces 225 watts.  A 4 to 1 cost savings.  So you can get a lot more watts 
 per dollar by getting a large panel.  Though it is a 30 volt panel good for a 
 24/28 volt battery system.  You can still use it for a 12v system by charging 
 the batteries in series and using them in parallel or getting a 24VDC to 
 12VDC converter available at any truck parts store.

 Bob, Wb4APR
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[amsat-bb] Re: FW: OFF grid solar system

2009-10-03 Thread Nigel Gunn G8IFF/W8IFF


From: Thomas McGrane[mailto:n2...@aceweb.com]
 Sent: 10/2/2009 10:39:56 PM
 To  : amsat-bb@amsat.org
 Cc  : 
 Subject : FW: OFF grid solar system

  The grid is vulnerable as a system. 

How can you state that it is vulnerable without stating exactly the nature of 
that which threatens it?


We have to stop always thinking
 about being connected to or relying on the utility grid. 

You mean stop using an economical, well tested solution to power and spend much 
more re-inventing the wheel and ending 
up with a much less cost effective solution.


Think in terms
 of building an independant 12 volt DC system (low voltage) 

although we know that distribution at a higher voltace is both cheaper and more 
efficient.


  Small systems can easily run lights, TV’s, radios,
 even a small refridgerator for essentials. 

But not the SAME lights, TV etc, that we already have. More expense buying two 
of everything, one for mains voltage and 
one for 12 volts.



You would still need the
 grid power for large loads like heat, large refridgerators, 

To run you life support systems. Freezers for food, heat, water pumps...
You're only proposing self generated to run the small luxuries that nobody 
NEEDS.



Remember, the wires are antennas

And the wires that distribute your 12V supply are somehow NOT antennas?


  We owe our reliance on a large electrical system to
 Nickolai Tesla

Thanks Nikolai. You did a great job.


  The idea was to minmize power loss over
 long distances. Therefore we should all promote local or household Low 
 voltage DC solar or wind systems 

So you reduce losses in the grid system by not using it.
That doesn't reduce losses, it just means that you are not affected by them.




 Through the years I have built a very economical system comprised of 
 several solar panels with a capacity of about 130 watts 

You'd have problems powering a good set of headphones with that.
My standby is going to be a 25KW generator and a tank of propane.





 I dont want to be connected to the grid which I consider STUPID and 
 you dont either. Dont follow, think for yourselves.

The grid is not stupid, it is inanimate. The grids operators might, in your 
opinion be stupid.
What gives you the authority to decide what I WANT? You might think you know 
what's best for me but I don't want that.

 
 Think about this. brain waves operate up to about 20 cycles per 
 second, imagine what 60 cycles is doing to you and the world.

So after all that, you're just some mickey mouse GREEN ENVIROMENTALIST on your 
campaign trail.

-- 
Nigel A. Gunn,  1865 El Camino Drive, Xenia, OH 45385-1115, USA.  tel +1 937 
825 5032
Amateur Radio G8IFF W8IFF (was KC8NHF),  e-mail ni...@ngunn.net   www  
http://www.ngunn.net
Member of  ARRL, GQRP #11396, QRPARCI #11644, SOC #548,  Flying Pigs QRP Club 
International #385,
Dayton ARA #2128, AMSAT-NA LM-1691,  AMSAT-UK 0182, MKARS,  ALC, 
GCARES, XWARN.

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[amsat-bb] Re: FW: OFF grid solar system

2009-10-03 Thread Nigel Gunn G8IFF/W8IFF
Hey Bob.

Seems that people don't like your truthful and honest approach to life.
I guess he won't like me for the same reason.
Being honest and trustworthy just don't pay!


Thomas McGrane wrote:
  because bruninga
 changed my meaning by taking words out of context.
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[amsat-bb] On the Air from Iceland

2009-10-03 Thread Thomas Tumino
Greetings to all,

I would like to let anyone who is interested in working Iceland know that from 
Sept. 28 through Oct. 5th 2009 I will be operating every daytime/evening FM 
satellite pass I can between 10:00 and 01:00 UTC from Iceland.  Please keep in 
mind that the weather in Iceland can be pretty extreme, and my primary reason 
for being here with my wife is to tour, so I will not be on every pass, but 
most days I will work many passes.

Equipment on this end is a 3w TH-D7AG with Arrow Antenna and headset for full 
duplex work.  I am updating my satellite log daily on my QRZ page.  The log 
includes both North America and Europe so far...

The volcanic ground along with the almost complete lack of trees (and buildings 
outside of Reykjavik) make working the low passes easy, so do not be 
discouraged if you see a low pass listed for Iceland...you just may work me 
anyway.  I have made several QSOs on passes under 4 degrees maximum elevation.

If you are in an artic location or africa and think you have a shot at working 
me, I would be specifically interested in working you and would ask that you 
email me directly for a sked.  Everyone else, please just look for me on the 
birdsI am on quite  abit.

73 to all,
Tom-TF/N2YTF
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[amsat-bb] On the Air from Iceland (Tom, TF/N2YTF)

2009-10-03 Thread Daniel Nick Kucij
Posted by Nick, KB1RVT on behalf of Tom, N2YTF:

Greetings to all,

I would like to let anyone who is interested in working Iceland know  
that from Sept. 28 through Oct. 5th 2009 I will be operating every  
daytime/evening FM satellite pass I can between 10:00 and 01:00 UTC  
from Iceland.  Please keep in mind that the weather in Iceland can be  
pretty extreme, and my primary reason for being here with my wife is  
to tour, so I will not be on every pass, but most days I will work  
many passes.

Equipment on this end is a 3w TH-D7AG with Arrow Antenna and headset  
for full duplex work.  I am updating my satellite log daily on my QRZ  
page.  The log includes both North America and Europe so far...

The volcanic ground along with the almost complete lack of trees (and  
buildings outside of Reykjavik) make working the low passes easy, so  
do not be discouraged if you see a low pass listed for Iceland...you  
just may work me anyway.  I have made several QSOs on passes under 4  
degrees maximum elevation.

If you are in an arctic location or africa and think you have a shot  
at working me, I would be specifically interested in working you and  
would ask that you email me directly for a sked.  Everyone else,  
please just look for me on the birdsI am on quite  abit.

73 to all,
Tom-TF/N2YTF
n2...@arrl.net
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[amsat-bb] Maxim-IC

2009-10-03 Thread Douglas Anoman

Hello All I hope everyone is doing great.

  I need to know where i can get a max2633 chip without buying 2,500 of them?

 Thanks everyone for the help 73,

Thank You
Douglas Anoman
KC9MLN
kc9...@amsat.org
Amsat #37043





  
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[amsat-bb] Re: Launch coverage!

2009-10-03 Thread Joe Fitzgerald
David - KG4ZLB wrote:

 Does anyone know if NASA plans to broadcast footage from inside the 
 Shuttle, maybe a split screen showing the traditional launch and the 
 other side showing the crew during lift off?

   


I have seen split screens on NASA TV, usually a day or two after 
launch.  A quick you-tube search revealed this.
http://www.youtube.com/watch?v=5WdQHQY0xJs
-Joe
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[amsat-bb] Re: Maxim-IC

2009-10-03 Thread w4upd
Have you tried going to their site and see if it is available as a 
sample? I do that a lot with them if I want to try a new unit or 
experiment without buying a large number. I don't think I have actually 
bought anything from them except where I needed quantities.

Regards,

Reid, W4UPD


Douglas Anoman wrote:
 Hello All I hope everyone is doing great.

   I need to know where i can get a max2633 chip without buying 2,500 of them?

  Thanks everyone for the help 73,

 Thank You
 Douglas Anoman
 KC9MLN
 kc9...@amsat.org
 Amsat #37043





 
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 No virus found in this incoming message.
 Checked by AVG - www.avg.com 
 Version: 8.5.409 / Virus Database: 270.14.3/2411 - Release Date: 10/03/09 
 06:20:00

   

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[amsat-bb] Re: Launch coverage!

2009-10-03 Thread David - KG4ZLB
Well I suppose that's a start but it would be good to see it live; I 
guess NASA is not as confident as the Russians that a launch will be 
successful so they delay any inside shots! 

David
KG4ZLB

Joe Fitzgerald wrote:


 I have seen split screens on NASA TV, usually a day or two after 
 launch.  A quick you-tube search revealed this.
 http://www.youtube.com/watch?v=5WdQHQY0xJs
 -Joe
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[amsat-bb] Orbital Decay - Model of the Atmosphere

2009-10-03 Thread John Heath
Hi

Need a model of atmospheric density at varying altitudes, then this site may be 
of interest.

http://omniweb.gsfc.nasa.gov/vitmo/msis_vitmo.html

73 John G7HIA
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[amsat-bb] Portable Tracking

2009-10-03 Thread joe barkley
Hi All,
I am looking for opinions and idea on a PDA or device and software or
application I can take with me to show the satellite pass predictions 
when I travel.
Thanks
Joe
KI4TZ
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[amsat-bb] Demo in Long Beach - With a Difference

2009-10-03 Thread Clint Bradford
Everything was proceeding marvelously last night at the Associated  
Radio Amateurs of Long Beach (CA) meeting. A few folks showed up early  
as we worked the 0053 GMT pass of AO-51 from outside the meeting room.  
We then moved inside for my presentation.

Since my wife is in finishing a month-long trip to Tibet, I left my  
phone on in buzz mode in case she called or sent text messages. In  
the middle of my show, my phone buzzes. I calmly sneak a look at the  
phone, and was pleasantly surprised to see a QSL from XE3DX David  
Maciel - one of the contacts we made earlier!

Oh, the audience was properly impressed!

THANK YOU, David! And thanks to the others that made that demo a  
success.

Clint Bradford, K6LCS
http://www.work-sat.com

P.S. - Upcoming AMSAT presentations in Southern California ...

October 5 -  WARA (Fullerton) meeting*
October 8 - EchoLink “SCARS” Node 96140 5:30PM PDT
October 15 - West Coast ARC (Huntington Beach)*
October 17 - Victor Valley ARC’s JOTA
November 5 - Crest REACT (Corona)
November 8 - QWCA Chapter 7 (Norwalk)


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[amsat-bb] Re: Portable Tracking

2009-10-03 Thread Alan VE4YZ
PocketSat freeware or PocketSat+ inexpensive registered and supposed to
calculate faster

http://www.bigfattail.com/software/pocketsatplus/

On any old Palm that you can pick up for $5 at a flea market of get for free
by asking. Millions of these PDA's are sitting in drawers unused because
folks have graduated to smart phones, crack berries iphones etc.

I use a Palm IIIxe black and white.  Color would be nicer.

You need Palm One Quick Install and a serial or IR port to update KEPS on
the Palm from a PC.

 

-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of joe barkley
Sent: October 3, 2009 12:28 PM
To: amsat-bb@amsat.org
Subject: [amsat-bb] Portable Tracking

Hi All,
I am looking for opinions and idea on a PDA or device and software or
application I can take with me to show the satellite pass predictions when I
travel.
Thanks
Joe
KI4TZ
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[amsat-bb] Re: Portable Tracking

2009-10-03 Thread Andrew Glasbrenner
joe barkley wrote:
 Hi All,
 I am looking for opinions and idea on a PDA or device and software or
 application I can take with me to show the satellite pass predictions 
 when I travel.
 Thanks
 Joe
 KI4TZ
The little Win XP netbooks are hard to beat. I've seen them as cheap as 
199, they will run SatPC32, and even do email and websurfing via wifi or 
a tethered phone. Standard USB ports make life nice too.

73, Drew KO4MA
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[amsat-bb] Re: Portable Tracking

2009-10-03 Thread Greg D.

Ditto this recommendation.  PocketSat+ is a very usable, compact, yet full 
featured satellite tracking package.  And the Palm is something you can always 
have with you.

I recently graduated from my Palm-Vx to a Nokia N810, and found the Garnet 
Virtual Machine, which builds a Palm inside my Nokia.  So, I'm still a happy 
PocketSat+ user (and now it's in color!).

Greg  KO6TH


 From: ve...@mts.net
 To: jbark...@truvista.net; amsat-bb@amsat.org
 Date: Sat, 3 Oct 2009 13:37:33 -0500
 Subject: [amsat-bb] Re: Portable Tracking
 
 PocketSat freeware or PocketSat+ inexpensive registered and supposed to
 calculate faster
 
 http://www.bigfattail.com/software/pocketsatplus/
 
 On any old Palm that you can pick up for $5 at a flea market of get for free
 by asking. Millions of these PDA's are sitting in drawers unused because
 folks have graduated to smart phones, crack berries iphones etc.
 
 I use a Palm IIIxe black and white.  Color would be nicer.
 
 You need Palm One Quick Install and a serial or IR port to update KEPS on
 the Palm from a PC.
 
  
 
 -Original Message-
 From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
 Behalf Of joe barkley
 Sent: October 3, 2009 12:28 PM
 To: amsat-bb@amsat.org
 Subject: [amsat-bb] Portable Tracking
 
 Hi All,
 I am looking for opinions and idea on a PDA or device and software or
 application I can take with me to show the satellite pass predictions when I
 travel.
 Thanks
 Joe
 KI4TZ
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[amsat-bb] Re: Maxim-IC

2009-10-03 Thread Nick Pugh K5QXJ
Go To the web site and ask for samples

nick

-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Douglas Anoman
Sent: Saturday, October 03, 2009 9:52 AM
To: amsat-bb@amsat.org
Subject: [amsat-bb] Maxim-IC


Hello All I hope everyone is doing great.

  I need to know where i can get a max2633 chip without buying 2,500 of
them?

 Thanks everyone for the help 73,

Thank You
Douglas Anoman
KC9MLN
kc9...@amsat.org
Amsat #37043





  
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[amsat-bb] Understanding ITA

2009-10-03 Thread Wayne Estes
I just read the article about ITAR in the Jan/Feb 2009 AMSAT Journal.  I 
have to say that the article didn't help me understand ITAR at all.  It 
seems to have skipped the first several steps in the explanation.

For example, what criteria are used to judge that a device has dual use 
as a munition?  It is not at all obvious to my feeble mind how a 23 GHz 
amplifier or IHU-3 (computer) can be judged to have dual use as a munition.

What criteria does ITAR law use to EXCLUDE devices that have obvious 
dual uses as munitions?  For example, GSM cell phones have been used to 
remotely control explosive devices that killed thousands of U.S. 
servicemen.  Are they not regulated because they are too ubiquitous to 
control?

Wayne Estes W9AE
Oakland, Oregon, USA, CN83ik
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[amsat-bb] GENSO First Public Release

2009-10-03 Thread Alan VE4YZ
The first public release was scheduled for September 2009
 
Search GENSO.ORG  AMSAT UK and Google and there is no recent status changes
nor has it been release.
 
Anyone close to this project with an update for us?
 
73, Alan VE4YZ
EN19kv
AMSAT LM 2352 
http://www.wincube.ca http://www.wincube.ca/ 

 
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[amsat-bb] Arrow Diplexer loss + Arrow v Elk

2009-10-03 Thread KI6RRQ
Jeff, you said; The antenna and coax remain the same, the difference, the
diplexer.  

My Arrow diplexer has three factory fixed wires coming out of it, one for
the radio and two that go to BNC connectors on the Arrow antenna.   So, you
cannot say; the coax remains the same!   The coax on your diplexer or the
connections to it, can be at fault as well.  These coax wires and how well
they are connected to the Arrow diplexer, are another variable that you have
not considered in your statement because they are removed from the mix when
using the Elk, unless you are trying to use the Arrow diplexer on the Elk
Log Periodic antenna, Which I doubt because I am assuming you used the same
one radio configuration on the Elk as you did the Arrow with your diplexer
but if you are that could be presenting some other variables to produce the
results your experiencing.   You have to use different cables for your Comet
Duplexer on the Arrow, from the Comet, to the antenna connection. 

Although, I agree that the Arrow seems to pick up the signal a little later
then my Elk antenna, both antennas work pretty darn good, IMO.  I like them
both and recommend them both.   I do not have a technical background so my
comments here, are all anecdotal in nature but the other thing I have
noticed between the two antennas, is that when I make terrestrial contacts
with them, the Elk appears to radiate almost as well toward the back, as
toward the front.  I have been told this is called front to back ratio.   If
I point north, a guy from the south calls back and I tell him, wow I am
pointed north, let me turn and point it toward you...any better And
usually there is little if any improvement, while on the Elk and what blows
my mind is, there is also a fair bit of response from people even 90 degrees
from the business end of the Elk.   I have tried the same with the Arrow and
gotten much different reports.  This is only a general statement; I think
the Arrow has a better front to back ratio, more energy going out the front
end but I know there are other variables such as; hand held or up on the
tripod I use to hold them each up (at times) and perhaps the ground under
me, or the moisture in the ground during the different attempts, etc.  (4-5'
above the ground on tripod and me not always right behind it, so plenty of
variables but in general, that is my experience in the field) 

Nevertheless, I have mentioned this to several on the board who have the
Elk's and no one has responded that they have tested there's in this regard,
so take this with a grain of salt for now.  To others, I would love to hear
your experience in this regard.   I have asked a capable HAM friend to help
me figure this out, properly, so one day I will have more then anecdotal
info. 

I think both antennas are very well built and work well for satellite and
emergency communications!I have often pulled one of them out, with
success, when band conditions would not allow an Omni to get the job done on
my VX-7R.  I found the Elk a little cheaper to buy unless you do not
purchase the Arrow diplexer.  For others I will point out that, you can use
the Arrow with two radios without a duplexer, with same two radio
configuration, you will need a duplexer for the Elk and of course the
reverse is true if you are using one radio for dual band work, as I do, the
Arrow will require a duplexer and the Elk will not.  Also as many of you
know the Arrow diplexer is only rated for 10 watts but without it both
antennas will handle much more.

73 de Rich
KI6RRQ


Message: 15
Date: Fri, 2 Oct 2009 23:26:38 -0700
From: Jeff Yanko wb3...@cox.net
Subject: [amsat-bb] Re: Arrow antenna reconfiguration results - UPDATE
To: Gary \Joe\ Mayfield gary_mayfi...@hotmail.com,'Charles
Suprin' hamaa...@gmail.com

Could very well be.

73,

Jeff  WB3JFS


- Original Message - 
From: Gary Joe Mayfield gary_mayfi...@hotmail.com
To: 'Jeff Yanko' wb3...@cox.net; 'Charles Suprin' hamaa...@gmail.com
Subject: RE: [amsat-bb] Re: Arrow antenna reconfiguration results - UPDATE


 We are missing the easy answer.  He had diplexer that was off spec.  It
 happens.

 73,
 Joe kk0sd

 -Original Message-
 From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
 Behalf Of Jeff Yanko
 Sent: Thursday, October 01, 2009 4:28 PM
 To: Charles Suprin
 Subject: [amsat-bb] Re: Arrow antenna reconfiguration results - UPDATE

 Hi Charles and the group,

 FB on the numbers.  Interesting to say the least and thanks for taking the
 time to look further into this topic.

 Questions?  I have a few after looking at these numbers and performing 
 more
 observations.

 First, are you testing just the diplexer and not the diplexer and the
 antenna combined?  This could result in an overall number and not just the
 diplexer alone.  How could there be a large discrepency between 
 preliminary
 reports, 2.65dB and .5dB now.  Could be equipment calibration, human 
 error,
 etc. from 

[amsat-bb] Arrow Antennas - Horrible Performers

2009-10-03 Thread Clint Bradford
  ... from what I have read, a 2.65db loss of signal using Arrow's  
crappy duplexer ...

Unless an Arrow Antenna performance report beings with, My Motorola  
test equipment - certified within the last year - indicates ... [such- 
and-such performance characteristics] ...  - this that post is  
worthless to me.

And should be worthless to anyone demanding the best-available  
information.

And such mis-information shouldn't be passed on to anyone else. And  
messagegroup moderators should delete such undocumented tripe.

Needless to say, I haven't read much of the recent Arrow Performance  
threads. Just aren't worth my time.

Just my opinion, of course. I have been wrong.

I couldn't ask for - nor imagine - better performance from my Arrow  
Antennas than what I am enjoying now. They prove themselves pass after  
pass, demo after demo 

Clint Bradford
West coast curmudgeon
http://www.work-sat.com

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[amsat-bb] Re: Portable Tracking

2009-10-03 Thread Pughkeithd
In a message dated 10/3/2009 3:24:29 PM Central Daylight Time, 
ko6th_g...@hotmail.com writes: 
 Subj: [amsat-bb] Re: Portable Tracking 
 Date:10/3/2009 3:24:29 PM Central Daylight Time
 From:ko6th_g...@hotmail.com
 To:jbark...@truvista.net, amsat-bb@amsat.org
 Received from Internet: 
 
 
 
 
 Ditto this recommendation.  PocketSat+ is a very usable, compact, yet full 
 featured satellite tracking package.  And the Palm is something you can 
 always have with you.
 
 I recently graduated from my Palm-Vx to a Nokia N810, and found the Garnet 
 Virtual Machine, which builds a Palm inside my Nokia.  So, I'm still a 
 happy PocketSat+ user (and now it's in color!).
 
 Greg  KO6TH
 
 
 From: ve...@mts.net
 To: jbark...@truvista.net; amsat-bb@amsat.org
 Date: Sat, 3 Oct 2009 13:37:33 -0500
 Subject: [amsat-bb] Re: Portable Tracking
 
 PocketSat freeware or PocketSat+ inexpensive registered and supposed to
 calculate faster
 
 http://www.bigfattail.com/software/pocketsatplus/
 
 On any old Palm that you can pick up for $5 at a flea market of get for 
 free
 by asking. Millions of these PDA's are sitting in drawers unused because
 folks have graduated to smart phones, crack berries iphones etc.
 
 I use a Palm IIIxe black and white.  Color would be nicer.
 
 You need Palm One Quick Install and a serial or IR port to update KEPS on
 the Palm from a PC.
 
   
 
 -Original Message-
 From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
 Behalf Of joe barkley
 Sent: October 3, 2009 12:28 PM
 To: amsat-bb@amsat.org
 Subject: [amsat-bb] Portable Tracking
 
 Hi All,
 I am looking for opinions and idea on a PDA or device and software or
 application I can take with me to show the satellite pass predictions 
 when I
 travel.
 Thanks
 Joe
 KI4TZ
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I have also used PocketSat+ but on a Dell PDA.  This was the Windows Mobile 
version of the program.  I am a new user of PocketSat3 for the iPhone and 
it is great as well.

73 - Keith, W5IU
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[amsat-bb] Re: Understanding ITAR

2009-10-03 Thread Bill Ress
Hi Wayne,

The State Department defines what is considered a munition in the ITAR 
regulations. See: http://pmddtc.state.gov/

The criteria is obviously determined by the State Department with 
direction from the Congress. The article just tries to describe some 
examples without trying to justify or explain why something is or isn't 
a munition.

The main point of the article is that any communications satellite, 
whether it is an Amateur, a university or a commercial satellite is 
considered by ITAR to be a munition controlled by ITAR export 
regulations. That's a fact and to understand the criteria is to 
understand the thinking of the authors of the regulation (State 
Department and the Congress), which I can't do.

To be sure, export regulations can be complicated and at times appear to 
us as being irrational. But the fact remains, ITAR is an export law that 
we at AMSAT have to comply with.

Regards...Bil - N6GHz

Wayne Estes wrote:
 I just read the article about ITAR in the Jan/Feb 2009 AMSAT Journal.  I 
 have to say that the article didn't help me understand ITAR at all.  It 
 seems to have skipped the first several steps in the explanation.
 
 For example, what criteria are used to judge that a device has dual use 
 as a munition?  It is not at all obvious to my feeble mind how a 23 GHz 
 amplifier or IHU-3 (computer) can be judged to have dual use as a munition.
 
 What criteria does ITAR law use to EXCLUDE devices that have obvious 
 dual uses as munitions?  For example, GSM cell phones have been used to 
 remotely control explosive devices that killed thousands of U.S. 
 servicemen.  Are they not regulated because they are too ubiquitous to 
 control?
 
 Wayne Estes W9AE
 Oakland, Oregon, USA, CN83ik
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[amsat-bb] Questions regarding WISP and operating satellite BBS

2009-10-03 Thread Shamai SAM Opfer
Hi all

I am trying to download telemetry from GO-32 in KISS mode, and later on,
I would also like to operate the AO51 BBS.

I tried two ways.  In both there is something missing...  I hope someone
will be able to give me some advise...:

Way #1. With SatPC32.
SatPC32 provides good tracking capabilities.  I get automatic receiving
frequency control via CAT, including Doppler compensation, and I get
automatic antenas control via the LVBTracker.  However, I am missing a
software to capture the KISS information in a file, and will also need to
work with the PACSAT protocol for the BBS.

Way #2. With WISP.
I succeeded to get the antennas rotor control working by WISP, but so far I
could not learn how to control the transceiver frequencies, and also
to automaitcally switch from receive to transmit for sending packets and
requests to the satellite.

I have an ICOM IC910H and a Kantronic 9612Plus TNC.

 My PC is a laptop with only USB ports..., no RS232.  I am using USB to
RS232 converters, but I don't think i can access hardware pins of the DB25
after the converters, for the T/R control.

Thanks  73,

Shamai
4Z1WS
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[amsat-bb] AO-51

2009-10-03 Thread Tim - N3TL
In case anyone at all is interested - which doesn't appear to be the case - the 
QRP pair on AO-51 remains active at 145.880 up and 435.150 (+/- Doppler) down.

From here, it's a shame to hear the chaos on the other V/U frequency pair, but 
not have a single station respond to calls on the QRP pair during a 54-degree 
pass up the east coast of North America. This has proven to be the case on 
multiple passes this week.

Maybe someone will show up later tonight or in the morning. Or ... I'll keep 
talking to myself  hihi.

73 to all,

Tim - N3TL
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[amsat-bb] ANS-277 AMSAT Weekly Bulletins

2009-10-03 Thread Lee McLamb
AMSAT NEWS SERVICE
ANS-277

ANS is a free, weekly, news and information service of AMSAT North America, The
Radio Amateur Satellite Corporation. ANS reports on the activities of a
worldwide group of Amateur Radio operators who share an active interest in
designing, building, launching and communicating through analog and digital
Amateur Radio satellites.

Please send any amateur satellite news or reports to:

ans-edi...@amsat.org

**
* 2009 AMSAT Space Symposium and Annual General Meeting October 9-11 *
*   Four Points Sheraton Hotel at the Baltimore Washington Airport   *
*  Details - http://www.amsat.org/amsat-new/symposium/2009/index.php *
**

In this edition:
* AMSAT Symposium is quickly approaching
* California Satellite Demo/Presentation Schedule
* AO-51 configuration to support Scouting JOTA
* European Space Weather Week 16-20 November
* FM sats from Antartica for VK and ZL
* Satellite Shorts From All Over
* ARISS Status - 28 September 2009


SB SAT @ AMSAT $ANS-277.01
AMSAT Symposium is quickly approaching

AMSAT News Service Bulletin 277.01
  From AMSAT HQ SILVER SPRING, MD.
October 4, 2009
To All RADIO AMATEURS
BID: $ANS-277.01

This is a reminder that the AMSAT Symposium is quickly approaching.
It takes place next weekend (9-11 OCT) at the BWI Sheraton and you're
invited!

This Symposium marks the 40th Anniversary of AMSAT and we'll be
celebrating this significant milestone along with looking forward to
the next 40 years.  AMSAT members who are registered for the Symposium
are invited to a 'birthday party' for AMSAT Friday evening (including
a birthday cake). In addition,  Symposium attendees will also receive
a 40th Anniversary History of AMSAT written/edited by Bill Tynan, W3XO
in their registration packets.  Many of us don't know the 'story of
AMSAT', and thanks to the work of Bill Tynan, Dick Daniels, Keith
Baker and others, we've focused this year on telling AMSAT's story
through their articles in the AMSAT Journal. Bill's new book provides
significantly more detail as well as brings the reader right up to the
current year.  It makes for fun reading and gives recognition to the
significant achievements over the past 40 years!

This year's AMSAT Proceedings has a wide assortment of papers and
this year's presentations will be both interesting and informative.
Dan Schultz, N8FGV is finalizing the Proceedings as this is written
and attendees will be in position to hear the presentations, discuss
the papers with the authors, and gain some insight into the future
direction of AMSAT's satellite program.

The Saturday evening Banquet will feature Martin Collins, a curator at
the Smithsonian Air  Space Museum.  The title of his talk is Making
the Space Age: The First Fifty Years.

A reminder that that the AMSAT BOD meeting takes place Thursday, 8 OCT
and Friday morning, 9 OCT. This is an open meeting, though the BOD
does go into closed session briefly on Friday morning.  In addition
the AMSAT Annual Meeting takes place Saturday afternoon 1530-1700
EDT.  We expect to have the Annual Meeting 'online' via Echolink.  I
anticipate that both the Symposium and the Annual Meeting will be an
opportunity to highlight some of the significant accomplishments that
have taken place over the last 12 months plus give some perspective on
the future direction of AMSAT.

Please consider joining us to celebrate a significant milestone for
AMSAT and build the foundation for the next 40 years!  You may
register online at the AMSAT Store:
http://www.amsat-na.com/store2/SymposiumReg2009.php

73,
Barry A. Baines, WD4ASW
President-AMSAT

[ANS thanks Barry, WD4ASW, for the above information]

/EX


SB SAT @ AMSAT $ANS-277.02
California Satellite Demo/Presentation Schedule

AMSAT News Service Bulletin 277.02
  From AMSAT HQ SILVER SPRING, MD.
October 4, 2009
To All RADIO AMATEURS
BID: $ANS-277.02

Clint Bradford, K6LCS, will be making 
presentations and demonstrations on amateur 
satellites at the following meetings around California:

October 2 - Long Beach ARC*
October 5 - WARA (Fullerton) meeting*
October 8 - EchoLink via “SCARS” Node 96140 5:30PM PDT
October 15 - West Coast ARC (Huntington Beach)*
October 17 - Victor Valley ARC’s JOTA*
November 5 - Crest REACT (Corona)*
November 8 - QWCA Chapter 7 (Norwalk)

The (*) asterisks indicate tentative workable passes for either before
or during the presentations!

[ANS thanks Clint, K6LCS, for the above information]

/EX


SB SAT @ AMSAT $ANS-277.03
AO-51 configuration to support Scouting JOTA

AMSAT News Service Bulletin 277.03
  From AMSAT HQ SILVER SPRING, MD.
October 4, 2009
To All RADIO AMATEURS
BID: $ANS-277.03

AMSAT-NA is supporting the 52nd Jamboree on the Air (JOTA) Scouting event by
dedicating AO-51 operation to the event.

For October 17th and 18th, the AO-51 QRP repeater will be allocated for JOTA
use. All users are requested to 

[amsat-bb] FW: OFF grid solar system

2009-10-03 Thread Thomas McGrane
Hi again, Nigel Gunn did a mercilous, malicious, propoganda hatchet job 
on my solar energy posting of this morning so I thought I would repost 
it to restore the original meaning if anyone wanted to know. When I 
write, I try to write carefully to convey my meaning. Unfortunately, 
creative trimming of my words changed the meaning so here it is again.
If someone replies, please include the original in its original form 
and entirety so as not to confuse those I am trying to help.
To you nigel, apparently, there are still tories and patriots here in 
America. We could use you in Afghanistan and if you go, please send 
home a young man who is still friendly.
pat

original message follows..



--- Original Message ---
From: Thomas McGrane[mailto:n2...@aceweb.com]
Sent: 10/2/2009 10:39:56 PM
To  : amsat-bb@amsat.org
Cc  : 
Subject : FW: OFF grid solar system

 The grid is vulnerable as a system. We have to stop always thinking 
about being connected to or relying on the utility grid. Think in terms 
of building an independant 12 volt DC system (low voltage) for the 
average dwelling to operate independant of the grid by charging 
batteries from solar or wind and utilizing the energy real time or 
later from the batteries. It seems everyone has visions of large 
expensive rooftop systems but starting small and building up over time 
will reduce the utility bill by substitution.
We need to be energy independant on a small scale as well as looking at 
the big picture. Small systems can easily run lights, TV’s, radios, 
even a small refridgerator for essentials. You would still need the 
grid power for large loads like heat, large refridgerators, etc but you 
can have a seperate system to rely on if you suffer some calamity.
With the advent of the “smart” grid, you dont want to be connected to 
the grid. Remember, the wires are antennas as well as conducting 
electricity. We owe our reliance on a large electrical system to 
Nickolai Tesla who developed high voltage alternating current power 
systems that won out over Thomas Edisons Direct Current system around 
the turn of the last century. The idea was to minmize power loss over 
long distances. Therefore we should all promote local or household Low 
voltage DC solar or wind systems to reduce the use of grid power and 
for much better reliability.
Through the years I have built a very economical system comprised of 
several solar panels with a capacity of about 130 watts that 
automatically charge 6 large deep cycle and regular batteries from 
which I operate some radios , lights and in the event of loss of 
utility power, a small refridgerator. I also have a couple of cheap 
store bought DC to AC inverters if I need to operate an AC device,
Solar panels have come down in price dramatically and production 
capabity is expanding, so start now. Think independant and start small 
instead of suffering mega system price hesitance.
A world of 12 volt dc devices are available from hardware, marine, 
automotive and internet sources. You just have to start.
Be the first on your block to confuse the lineman who show up during a 
power failure. I did.

I posted the above text on the new york times Green Inc energy blog 
back on september 23, 2009 as a comment to an article regarding solar 
power in africa. The internal discharge in a deep cycle battery is only 
about 50 milliamps which I consider insignificant. 

I dont want to be connected to the grid which I consider STUPID and 
you dont either. Dont follow, think for yourselves.

Think about this. brain waves operate up to about 20 cycles per 
second, imagine what 60 cycles is doing to you and the world.

Pat





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[amsat-bb] PDA tracking software

2009-10-03 Thread Howie
I have used SatME on my T-Mobile Dash and it works quite well. I like 
runnung tracking software n my cellphone because you always have very 
accurate time from the cell network. This program is a Java midlet, so your 
cellhone or PDA needs to be able to run Java. You can find the program at: 
http://www.k0sm.com/_mgxroot/page_10732.html

Howie
AB2S 

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[amsat-bb] Re: FW: OFF grid solar system

2009-10-03 Thread Roger Kolakowski
Dear Pat...

There is no reason to requote your entire thought process...you have done it
3 times...you are at the point of becoming obnoxious.

I find that it is more effective to restate original opinions in different
words so that others may better understand what I am trying to say. If
people don't understand you, you should try to address their concerns, not
just repeat the same tome.

You, yourself stated that you try to write carefully to convey my meaning
but trying is not always successful the first time. Address the issues , not
the personalities.

Roger
WA1KAT
- Original Message -
From: Thomas McGrane n2...@aceweb.com
To: amsat-bb@amsat.org
Sent: Saturday, October 03, 2009 10:18 PM
Subject: [amsat-bb] FW: OFF grid solar system


 Hi again, Nigel Gunn did a mercilous, malicious, propoganda hatchet job
 on my solar energy posting of this morning so I thought I would repost
 it to restore the original meaning if anyone wanted to know. When I
 write, I try to write carefully to convey my meaning. Unfortunately,
 creative trimming of my words changed the meaning so here it is again.
 If someone replies, please include the original in its original form
 and entirety so as not to confuse those I am trying to help.
 To you nigel, apparently, there are still tories and patriots here in
 America. We could use you in Afghanistan and if you go, please send
 home a young man who is still friendly.
 pat

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[amsat-bb] Re: Latest Keps - Newest Birds

2009-10-03 Thread Randy
 Looking for The last several new ones .. 
Especially BEESAT .. 
Thanks .. 
Has Sumba been commissioned yet?

Randy - N2CUA ..

Slowly getting SAT PC32 to work for me .. 
Had my first AO-07 contact today .. :)


-Original Message-
From: Randy [mailto:rswa...@twcny.rr.com] 
Sent: Saturday, October 03, 2009 11:04 PM
To: 'amsat-bb@amsat.org'
Subject: Latest Keps - Newest Birds

Can someone email them to me?

Thanks..

Randy - N2CUA


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