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CX2SA > SATDIG 20.05.13 20:02l 123 Lines 4124 Bytes #999 (0) @ WW
BID : AMSATBB8165
Read: GUEST
Subj: AMSAT-BB-digest V8 165
Path: IZ3LSV<IK2XDE<ON4HU<CX2SA
Sent: 130520/1902Z @:CX2SA.SAL.URY.SA #:6476 [Salto] FBB7.00e $:AMSATBB8165
From: CX2SA@CX2SA.SAL.URY.SA
To : SATDIG@WW
Today's Topics:
1. Re: Trouble found, help no longer required (Gus)
2. AO7 Eclipse Period (K4FEG)
3. wish to source (used) TNC for amsat ops (Samudra Haque)
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Message: 1
Date: Sun, 19 May 2013 20:58:22 -0400
From: Gus <8p6sm@xxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Trouble found, help no longer required
Message-ID: <5199752E.1070108@xxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
On 05/19/2013 02:21 PM, Robert C. Campbell wrote:
> I am now working on my celebratory bean and spinach soup...
How can you celebrate with bean and spinach?!??
Unless "working on it" means adding bacon, melted cheese and rum...
--
73, de Gus 8P6SM
Barbados, the easternmost isle.
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Message: 2
Date: Mon, 20 May 2013 13:00:15 -0500
From: K4FEG <K4FEG@xxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] AO7 Eclipse Period
Message-ID: <519A64AF.7050605@xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Are there any of the New Zealand satellite operators that could listen
to /*AO7 on May 21, 2013 during the 13:45:50UTC pass?*/
If I am correct this will be the beginning of the satellite eclipse
period that will run until August 2, 2013.
I am not using any fancy software to track the eclipse periods so I
cannot determine if the times are accurate or not, nor if the satellite
tracking software is taking full account of all variables involved in
tracking an eclipse period on AO7.
My understanding from others is that the design of the satellite is such
that it will come up as the "first state on start-up" in Mode B. I do
not know these things to be true but the information comes from what I
consider to be reliable sources.
I am just interested in any type of satellite report from the operators
that will first access to AO7 after it has been in an eclipse period no
matter how brief. Any information will be of interest to me.
/The current mode switches on AO7 are occurring at approximately 1047UTC
everyday, I suspect that if we get any type of a total voltage loss on
the satellite that this time will change(just my opinion)./
From the projections I have been running the eclipse periods will
quickly increase in duration and they will vary during the day with
respect to the time of day over the Southern Hemisphere.
One of my goals is to try and determine, with the software available to
me, what duration of eclipse is needed to cause a "Zero Voltage Reset",
which should result in the satellite reverting to Mode B.
Any help is appreciated! Happy "Bird" watching!
73
Frank
K4FEG
EM55aj84ta
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Message: 3
Date: Mon, 20 May 2013 14:04:05 -0400
From: Samudra Haque <samudra.haque@xxxxx.xxx>
To: Tacos <Tacos@xxxxx.xxx>, Amsat-bb <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] wish to source (used) TNC for amsat ops
Message-ID:
<CAJEM477-P4cbsp7bFRrjRux86Tg0ULbx8ZrsRE=rYJ7ULK32aw@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
I am seeking to buy TNC hardware for the new K3GWU station (Foggy Bottom
Campus - George Washington University).
I'm limited to a small budget at this moment, and do appreciate those kind
hams that have donated racks, radios, antennas, cables, and so forth. But
now, I need a packet radio modem/TNC for digital communication needs!
We have an Icom 706 (original) and a FT-857 (original) in working condition
now, and a few midland commercial radios reprogrammed for ham radio fixed
frequencies.
I've read about Signalink USB and also see the various Kamtronics and
Timewave products. Any tips for for AMSAT packet use? for ISS packet use?
TNC-X ?
//Samudra N3RDX
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End of AMSAT-BB Digest, Vol 8, Issue 165
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