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CX2SA > SATDIG 26.11.08 01:04l 324 Lines 10682 Bytes #999 (0) @ WW
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Subj: AMSAT-BB-digest V3 610
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Sent: 081125/2248Z @:CX2SA.LAV.URY.SA #:52318 [Minas] FBB7.00e $:52318_CX2SA
From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
Today's Topics:
1. Re: bbsat ideas... (Andrew Glasbrenner)
2. Re: bbsat ideas... (Andrew Koenig)
3. Re: CW lives - OSCAR Straight Key Night (JoAnne Maenpaa)
4. Re: visual sighting of ISS (Curt Nixon)
5. Re: visual sighting of ISS (Simon (HB9DRV))
6. GO-32 (John Hackett)
7. Re: bbsat ideas... (Alexandru Csete)
8. soundcard modems for pactorIII (Mr Jeffrey L Ross)
----------------------------------------------------------------------
Message: 1
Date: Tue, 25 Nov 2008 11:46:21 -0500
From: "Andrew Glasbrenner" <glasbrenner@xxxxxxxxxx.xxx>
Subject: [amsat-bb] Re: bbsat ideas...
To: "Andrew Koenig" <ke5gdb@xxxxx.xxx>, "Rocky Jones"
<orbitjet@xxxxxxx.xxx>
Cc: kf6kyi@xxxxx.xxxx Amsat BB <amsat-bb@xxxxx.xxx>
Message-ID: <0730B7C9A96945A9BB949BB275114C87@xxxxxxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
>I think an SSTV beacon sat would be really cool.
Check out CO-66 aka SEEDS II
------------------------------
Message: 2
Date: Tue, 25 Nov 2008 10:51:38 -0600
From: Andrew Koenig <ke5gdb@xxxxx.xxx>
Subject: [amsat-bb] Re: bbsat ideas...
To: Andrew Glasbrenner <glasbrenner@xxxxxxxxxx.xxx>
Cc: Amsat BB <amsat-bb@xxxxx.xxx>, "<kf6kyi@xxxxx.xxx>"
<kf6kyi@xxxxx.xxx>
Message-ID: <7A4B0279-E90E-4704-9011-0FBDF5801004@xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes
I've heard seeds, but from what I remember, it has a predetermined
picture that it broadcasts
On Nov 25, 2008, at 10:46 AM, "Andrew Glasbrenner" <glasbrenner@xxxxxxxxxx.xxx
> wrote:
>
>
>> I think an SSTV beacon sat would be really cool.
>
> Check out CO-66 aka SEEDS II
------------------------------
Message: 3
Date: Tue, 25 Nov 2008 16:58:06 +0000
From: k9jkm@xxxxxxx.xxx (JoAnne Maenpaa)
Subject: [amsat-bb] Re: CW lives - OSCAR Straight Key Night
To: <amsat-bb@xxxxx.xxx>
Message-ID:
<112520081658.8487.492C2E9E0005F22E000021272214756402030506C705@xxxxxxx.
xxx>
Content-Type: text/plain
> then we can pick a day and a BIRD and set a time and see how many can
> work each other on a certain pass
Hello everyone,
There is also Straight Key Night on OSCAR. Below is the announcement that's
in preparation for release in the ANS news bulletins and in the next issue of
the AMSAT Journal - now is a good time to get the word out also ...
SKN on OSCAR 2009
All radio amateurs, worldwide, are cordially invited to participate in AMSAT's
Straight Key Night (SKN) on OSCAR 2009.
Participating in SKN on OSCAR 2009 is easy. No rules, no scoring and no need
to send in a log. Just operate CW through any OSCAR between 0000 and 2400 UTC
on 1 January 2009, using a straight hand key.
In keeping with the friendly nature of this event, all participants are
encouraged to nominate someone they worked for "Best Fist." Your nominee need
not have the best fist of those you heard, just of those you worked. Please
send your nomination to w2rs@xxxxx.xxx. A list of those nominated will appear
in ANS and The AMSAT Journal.
CU SKN!
Ray Soifer, W2RS
--
73 de JoAnne K9JKM
k9jkm@xxxxx.xxx
Editor, AMSAT News Service
-------------- Original message --------------
From: "Jim Danehy" <jdanehy@xxxxx.xx.xxx>
> Mark
>
> Tnx for the reply . . . . I look forward to others responding as you did . .
> . then we can pick a day and a BIRD and set a time and see how many can
> work each other on a certain pass . . . that would be GREAT . . .
>
> How about it you CW addicts ?
>
> Jim W9VNE
>
>
> ----- Original Message -----
> From: "Mark Lunday, WD4ELG"
> To: "'Jim Danehy'" ;
> Sent: Tuesday, November 25, 2008 11:25 AM
> Subject: RE: [amsat-bb] CW lives
>
>
> > Jim
> >
> > Although new to the birds, sign me up for the CW Day! I am 95% CW,
> >
> > Mark Lunday
> > WD4ELG
> > wd4elg@xxxx.xxx
> > http://wd4elg.net
> >
> >
> >
>
> _______________________________________________
> 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: 4
Date: Tue, 25 Nov 2008 12:24:21 -0500
From: Curt Nixon <cptcurt@xxxxx.xxx>
Subject: [amsat-bb] Re: visual sighting of ISS
Cc: amsat-bb@xxxxx.xxx
Message-ID: <492C34C5.5090105@xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
As Jim says, the light in your area will greatly effect how you see
ISS. I have seen it perhaps 50 times over the last couple of years. I
live in a very high light suburban area. When it comes over on a clear
nite, however, anything above about 45 degrees, it will appear as the
brightest thing in the sky. It looks like a very intense landing lite
on an airliner--once it gets over 45 degrees.
The times to see it best are in the predawn and just after sunset. If
you use one of the general sat tracking programs like Orbitron, Nova, or
similar, watch for passes where it is dark for you on the ground--you
are on the dark side of the terminator, and the ISS is still
illuminated. This will be on passes where it goes over you within 1/2
hour or so of sunrise or sunset, generally.
One of the neatest things I've ever seen in the sky was the 90 degree
elevation pass of ISS and the Shuttle in tandem.
Good luck and have fun.
Curt
KU8L
------------------------------
Message: 5
Date: Tue, 25 Nov 2008 18:52:01 +0100
From: "Simon \(HB9DRV\)" <simon@xxxxxx.xx>
Subject: [amsat-bb] Re: visual sighting of ISS
To: "Jim Danehy" <jdanehy@xxxxx.xx.xxx>, <amsat-bb@xxxxx.xxx>
Message-ID: <1697C2A6BCB1460C8EB093EAA98AEB1B@xxxxxxxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
FWIW where I live in the Swiss Alps at 1,050masl it's quite easy to see the
ISS.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
----- Original Message -----
From: "Jim Danehy" <jdanehy@xxxxx.xx.xxx>
> You had someone direct you to Heavens-above for the passes for your
> location.
------------------------------
Message: 6
Date: Tue, 25 Nov 2008 12:47:14 +0100
From: John Hackett <archie.hackett@xxxxxxx.xxx>
Subject: [amsat-bb] GO-32
To: <eu-amsat@xxxxxxxxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <BLU149-W5EAC722F82CA7A9FF7C8C910B0@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
Hello Folks,
Prior to my setting up and modding old rigs for GO-32 9600bps
operation I though it prudent to enquire whether anyone is actually using this
satellite for message forwarding ??.
Thank you, in anticipation of any replies.
73 John. <la2qaa@xxxxx.xxx>
------------------------------
Message: 7
Date: Tue, 25 Nov 2008 20:39:47 +0100
From: Alexandru Csete <alexc@xxxx.xx.xx>
Subject: [amsat-bb] Re: bbsat ideas...
To: Mark Vandewettering <kf6kyi@xxxxx.xxx>
Cc: AMSAT-BB bb <amsat-bb@xxxxx.xxx>
Message-ID: <20081125203947.1adcd84f@xxxxxxx>
Content-Type: text/plain; charset=US-ASCII
On Mon, 24 Nov 2008 20:56:44 -0800
Mark Vandewettering <kf6kyi@xxxxx.xxx> wrote:
> ...
> Given the relatively limited amount of power that we are likely to
> have in a cubesat, the question then becomes what is the best way to
> use that power? It seems unlikely that any kind of linear
> transponder will allow more than just a couple of users meaningful
> access. I'd suggest it might make more sense to do some kind of
> digital transponder. I'm imagining a satellite which monitors a
> chunk of spectrum roughly the size of a current SSB signal, say
> 2.4khz. Imagine that space was divided into (say) 10 channels,
> each 240hz wide. We could easily fit a PSK63 signal (or a similar
> FSK signal, pick your poison) in that space. You could use a bent
> pipe crossband transponder, or potentially do a simplex repeater (say
> the sat listens for 10 seconds, then re-echoes for 10 seconds) on the
> same uplink frequency. If you are a downlink station, you know what
> you sent, and can tell if your signal got collided with, and if so,
> you can switch to another of the 10 slots. In the mean time, you
> can easily monitor all of the other slots as well, and try to pick
> an unoccupied one. While it might be difficult for a
> power-efficient controller to actually _decode_ each of the 10
> channels, it probably could determine which channels are busy itself
> by monitoring power in each of the channels. Maybe we can fill
> unused slots with telemetry? Or can we actually get enough DSP
> power into a cubesat to decode 10 channels of PSK (or some similar
> protocol), which would help a lot (the bird only transmits stuff,
> and what it transmits is free from noise/errors). If not 10
> channels, then how 'bout 5? 2? Even one? Then, we basically have a
> simple digipeater, which can obviously be done, given the existance
> of 1200 baud modems based upon PIC microcontrollers.
>
> Just some lunacy...
>
> Mark KF6KYI
>
Mark, I fully support your lunacy. In fact, I was having something
similar in mind when I first saw the SuperBrowser in DM780 by
Simon Brown HB9DRV. So, half of the software is already there
running on the desktop :-)
Personally, I think it should be a full duplex real-time repeater (not
just a bent pipe).
Moreover, if using SDR it would be easy to switch between various
digital modes, i.e. one week PSK, next week SSTV and so on.
I'm really not worried about computing power. Already today you can get
the processing power of a laptop in the size of a PDA.
If somebody wants to work on with this idea I'd love to get involved. I
might even be able to help establish some launch opportunities in the
2011-2012 time frame.
73
Alex OZ9AEC
------------------------------
Message: 8
Date: Tue, 25 Nov 2008 14:44:21 -0500
From: "Mr Jeffrey L Ross" <radiooperator@xxxxxxx.xxx>
Subject: [amsat-bb] soundcard modems for pactorIII
To: "amsat" <amsat-bb@xxxxx.xxx>
Message-ID: <E21D659713734134AFCBFE551CA8EADE@xxxxxxxxxxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
hi folks, wondering if their are any soundcard modems for pactor III since I
see the modems are very expensive. Also wondering why they would be so
expensive just to change the mode. anyone running pactor III please contact
me offlist. thank you, kc8gkf
p.s. sry my post is not all about satilites, but topic of modems here.
------------------------------
_______________________________________________
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 3, Issue 610
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