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CX2SA > SATDIG 29.05.08 01:43l 867 Lines 30326 Bytes #999 (0) @ WW
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From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
Today's Topics:
1. Re: RS-30 telemetry (Trevor)
2. 2.4GHz RTX (Andy Brian)
3. Re: ISS digi active? (Alan P. Biddle)
4. Re: IT (Nigel Gunn G8IFF/W8IFF)
5. Re: RS-30 telemetry (Peter Guelzow)
6. LVB Tracker Firmware v0.9 (Alan)
7. Re: IT (Paul Williamson)
8. Re: LVB Tracker Firmware v0.9 (Howard Long)
9. Re: LVB Tracker Firmware v0.9 (Gould Smith)
10. Re: LVB Tracker 1 Nova fix (Howard Long)
11. Interesting RS-30 article - thanks! (Bill Ress)
12. Re: IT (Anthony Monteiro)
13. Re: LVB Tracker Firmware v0.9 (Alan)
14. Re: DirecWav satellite internet useful? (Greg D.)
15. LVB Tracker software upgrade (Gould Smith)
----------------------------------------------------------------------
Message: 1
Date: Tue, 27 May 2008 19:46:31 +0000 (GMT)
From: Trevor <m5aka(AT)yahoo.co.uk>
Subject: [amsat-bb] Re: RS-30 telemetry
To: amsat-bb(AT)amsat.org
Message-ID: <342481.59758.qm(AT)web27202.mail.ukl.yahoo.com>
Content-Type: text/plain; charset=utf-8
--- On Tue, 27/5/08, Trevor <m5aka(AT)yahoo.co.uk> wrote:
> I'm just hoping that between 435.215 and 435.315 is the
> output of a Mode J linear transponder - fingers crossed.
Alas that may be wishfull thinking. Just been reading the Journal of OAO "ISS"
No.3, February, 2008 at
http://www.iss-reshetnev.ru/images/File/magazin/2008/m3-screen.pdf
and from there it looks like a 145-435 MHz Store-and-Forward system.
73 Trevor M5AKA
__________________________________________________________
Sent from Yahoo! Mail.
A Smarter Email http://uk.docs.yahoo.com/nowyoucan.html
------------------------------
Message: 2
Date: Tue, 27 May 2008 21:57:40 +0200
From: "Andy Brian" <briaandy(AT)gmail.com>
Subject: [amsat-bb] 2.4GHz RTX
To: AMSAT-BB <amsat-bb(AT)amsat.org>
Message-ID:
<e87ea45b0805271257w11bdfddei32c5b5c08b9d8c33(AT)mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Hello all,
I need for my study project to find the RTX for cubesat, which works
on 2.4-2.5GHz
FM. Maybe any modules avaible for buy from internet or any useful information
about IC with integrated RX or TX which can I use for my project will be
great.
Thanks for help
BR Andy
------------------------------
Message: 3
Date: Tue, 27 May 2008 14:01:07 -0500
From: "Alan P. Biddle" <APBIDDLE(AT)UNITED.NET>
Subject: [amsat-bb] Re: ISS digi active?
To: "AMSAT-BB" <amsat-bb(AT)amsat.org>
Message-ID: <88BAD3D7C5D7467BAA773F472D45AD66(AT)WA4SCA>
Content-Type: text/plain; charset="us-ascii"
Many thanks. Will pass that along, as it should reduce the anxiety level.
;)
Alan
WA4SCA
------------------------------
Message: 4
Date: Tue, 27 May 2008 21:06:53 +0000
From: Nigel Gunn G8IFF/W8IFF <nigel(AT)ngunn.net>
Subject: [amsat-bb] Re: IT
To: "Ronald A. Stunden" <ve7yc(AT)shaw.ca>
Cc: amsat-bb(AT)amsat.org
Message-ID: <483C77ED.1080802(AT)ngunn.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
I'm not aware of a patch for XP. Mine ran OK.
For Vista, I needed to install Dosbox ( www.dosbox.com ) and run IT in a
Dosbox window.
Ronald A. Stunden wrote:
> Seems to me there was a patch for 1.5 etc for the map operation with
> Win XP but I can't find it . Anyone know where to find it?? Thanks Ron
>
------------------------------
Message: 5
Date: Tue, 27 May 2008 23:59:15 +0200
From: Peter Guelzow <peter.guelzow(AT)kourou.de>
Subject: [amsat-bb] Re: RS-30 telemetry
To: Trevor <m5aka(AT)yahoo.co.uk>
Cc: amsat-bb(AT)amsat.org
Message-ID: <483C8433.20706(AT)kourou.de>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Hi Trevor,
this one might be easier to read :-)
http://www.npopm.com/images/File/magazin/2008/m3-screen_en.pdf
This is also about the primary payloads launched...
http://www.gonets.ru/english.htm
73s Peter
Trevor wrote:
> --- On Tue, 27/5/08, Trevor <m5aka(AT)yahoo.co.uk> wrote:
>
>> I'm just hoping that between 435.215 and 435.315 is the
>> output of a Mode J linear transponder - fingers crossed.
>>
>
> Alas that may be wishfull thinking. Just been reading the Journal of OAO
"ISS" No.3, February, 2008 at
> http://www.iss-reshetnev.ru/images/File/magazin/2008/m3-screen.pdf
>
> and from there it looks like a 145-435 MHz Store-and-Forward system.
>
> 73 Trevor M5AKA
>
>
>
> __________________________________________________________
> Sent from Yahoo! Mail.
> A Smarter Email http://uk.docs.yahoo.com/nowyoucan.html
>
> _______________________________________________
> Sent via AMSAT-BB(AT)amsat.org. 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: 6
Date: Tue, 27 May 2008 17:21:24 -0500
From: "Alan" <ve4yz(AT)mts.net>
Subject: [amsat-bb] LVB Tracker Firmware v0.9
To: "'Howard Long'" <howard(AT)howardlong.com>, <amsat-bb(AT)amsat.org>
Message-ID: <B153F0728D454B51B2A281A095C2462C(AT)athlon>
Content-Type: text/plain; charset="us-ascii"
Hi Howard and the group...
I successfully updated my LVB from v0.7 to v0.9
The question is: if you only use the LVB Tracker with a USB cable, can you
leave the MAX232 chip installed?
Here is why I ask...
After the successful update, replacement of the USB board and recalibration,
I ran a pass and the LVB behaved normally. I then realized I left the
MAX232 installed. The installation and DIY assembly instructions suggest
you run either the USB board or MAX232 serial but not to have both
installed. Or I cannot read or comprehend the instructions???
The AMSAT fully assembled USB version of LVB Tracker including the case
requires a lot of extra steps to do a firmware upgrade. To remove the USB
board from its socket so that the MAX232 chip can be installed and used, you
have to remove the motherboard from the case. This is the only way for the
USB connector to clear the case so that it can be pulled straight up and
out. Afterwards, to remove the MAX232, there is not enough clearance for a
chip puller so you fiddle around with a small screw driver or something
similar to pry out the chip.
BTW, I took this opportunity to try to upgrade via the USB port and can
confirm it is flaky. The serial upgrade took less than a 1 minute of
processing time to upload the firmware and verify. Using the USB only took
about 1 hour (yes I waited ) and did not verify 100% ( 5 errors - flipped
bits - found in my case ).
Thanks... Alan
------------------------------
Message: 7
Date: Tue, 27 May 2008 11:33:02 -0700
From: Paul Williamson <kb5mu(AT)amsat.org>
Subject: [amsat-bb] Re: IT
To: "Ronald A. Stunden" <ve7yc(AT)shaw.ca>
Cc: amsat-bb(AT)amsat.org
Message-ID: <a0624080bc4620152b06f(AT)[192.168.0.16]>
Content-Type: text/plain; charset="us-ascii"
At 10:37 AM -0700 5/27/08, Ronald A. Stunden wrote:
>Seems to me there was a patch for 1.5 etc for the map operation with
>Win XP but I can't find it . Anyone know where to find it?? Thanks Ron
It's not a problem caused by Windows XP as such. It's the video card and video
drivers, and the problematic video cards started shipping around the same time
as Windows XP. They run InstantTrack fine in full screen mode, but can't show
the graphics modes used by InstantTrack in a window.
Some such problems can be avoided by running InstantTrack in VGA mode. This
can be done by setting vga_resolution = 2 in the IT.INI configuration file.
A good way to work around the incompatibility is to run InstantTrack inside an
emulation environment that knows how to deal with modern video hardware.
DOSBox is free and works for this purpose.
This is covered to some extent in the InstantTrack FAQ at
http://www.amsat.org/amsat/intro/itfaq.html
73 -Paul
kb5mu(AT)amsat.org
------------------------------
Message: 8
Date: Wed, 28 May 2008 00:39:22 +0100
From: "Howard Long" <howard(AT)howardlong.com>
Subject: [amsat-bb] Re: LVB Tracker Firmware v0.9
To: "'Alan'" <ve4yz(AT)mts.net>, <amsat-bb(AT)AMSAT.Org>
Message-ID: <82EF25E37A104320A2ED93C8C7DDABA7(AT)LAPTOP9>
Content-Type: text/plain; charset="us-ascii"
Hi Alan
You should have either the MAX232 or the USB board in place, but not both!
Having both devices installed causes contention in the incoming lines and
it's not designed to work that way. You may well get undesired effects. It
only works for you by luck, not by design!
73, Howard GJ6LVB
-----Original Message-----
From: Alan [mailto:ve4yz(AT)mts.net]
Sent: 27 May 2008 23:21
To: 'Howard Long'; amsat-bb(AT)AMSAT.Org
Subject: [!! SPAM] LVB Tracker Firmware v0.9
Hi Howard and the group...
I successfully updated my LVB from v0.7 to v0.9
The question is: if you only use the LVB Tracker with a USB cable, can you
leave the MAX232 chip installed?
Here is why I ask...
After the successful update, replacement of the USB board and recalibration,
I ran a pass and the LVB behaved normally. I then realized I left the
MAX232 installed. The installation and DIY assembly instructions suggest
you run either the USB board or MAX232 serial but not to have both
installed. Or I cannot read or comprehend the instructions???
The AMSAT fully assembled USB version of LVB Tracker including the case
requires a lot of extra steps to do a firmware upgrade. To remove the USB
board from its socket so that the MAX232 chip can be installed and used, you
have to remove the motherboard from the case. This is the only way for the
USB connector to clear the case so that it can be pulled straight up and
out. Afterwards, to remove the MAX232, there is not enough clearance for a
chip puller so you fiddle around with a small screw driver or something
similar to pry out the chip.
BTW, I took this opportunity to try to upgrade via the USB port and can
confirm it is flaky. The serial upgrade took less than a 1 minute of
processing time to upload the firmware and verify. Using the USB only took
about 1 hour (yes I waited ) and did not verify 100% ( 5 errors - flipped
bits - found in my case ).
Thanks... Alan
------------------------------
Message: 9
Date: Tue, 27 May 2008 19:43:33 -0400
From: "Gould Smith" <gouldsmi(AT)bellsouth.net>
Subject: [amsat-bb] Re: LVB Tracker Firmware v0.9
To: "Alan" <ve4yz(AT)mts.net>, "'Howard Long'" <howard(AT)howardlong.com>,
<amsat-bb(AT)amsat.org>
Message-ID: <C97C037F259B449A8ED7F1AD6BC22945(AT)GouldMainPC>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Hello Alan,
Both the USB and Max232 chip are connected to the same data pins on the
microprocessor, so they are both trying to talk to the main routine. It is
no recommended to have both the USB and Serial chip in the unit at the same
time.
This will also draw extra current that wasn't planned for with the heat
sink.
I will be sending out an email to the BB later tonight about the upgrade.
73,
Gould
----- Original Message -----
From: "Alan" <ve4yz(AT)mts.net>
To: "'Howard Long'" <howard(AT)howardlong.com>; <amsat-bb(AT)AMSAT.Org>
Sent: Tuesday, May 27, 2008 6:21 PM
Subject: [amsat-bb] LVB Tracker Firmware v0.9
> Hi Howard and the group...
>
> I successfully updated my LVB from v0.7 to v0.9
>
> The question is: if you only use the LVB Tracker with a USB cable, can you
> leave the MAX232 chip installed?
>
> Here is why I ask...
>
> After the successful update, replacement of the USB board and
> recalibration,
> I ran a pass and the LVB behaved normally. I then realized I left the
> MAX232 installed. The installation and DIY assembly instructions suggest
> you run either the USB board or MAX232 serial but not to have both
> installed. Or I cannot read or comprehend the instructions???
>
> The AMSAT fully assembled USB version of LVB Tracker including the case
> requires a lot of extra steps to do a firmware upgrade. To remove the USB
> board from its socket so that the MAX232 chip can be installed and used,
> you
> have to remove the motherboard from the case. This is the only way for
> the
> USB connector to clear the case so that it can be pulled straight up and
> out. Afterwards, to remove the MAX232, there is not enough clearance for
> a
> chip puller so you fiddle around with a small screw driver or something
> similar to pry out the chip.
>
> BTW, I took this opportunity to try to upgrade via the USB port and can
> confirm it is flaky. The serial upgrade took less than a 1 minute of
> processing time to upload the firmware and verify. Using the USB only
> took
> about 1 hour (yes I waited ) and did not verify 100% ( 5 errors - flipped
> bits - found in my case ).
>
> Thanks... Alan
>
> _______________________________________________
> Sent via AMSAT-BB(AT)amsat.org. 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: 10
Date: Wed, 28 May 2008 00:44:24 +0100
From: "Howard Long" <howard(AT)howardlong.com>
Subject: [amsat-bb] Re: LVB Tracker 1 Nova fix
To: <amsat-bb(AT)AMSAT.Org>
Message-ID: <7775B6AAC60D43CAB0868E55AA4443CD(AT)LAPTOP9>
Content-Type: text/plain; charset="us-ascii"
Folks
Here's a note I've sent privately to some individuals about the 0.9 update,
but I guess due to the response it's wise to spread it more widely.
Firstly, if you're not having any problems then I don't see a need to update
the firmware. The version you have (probably 0.7 or 0.8) has been stable for
many years now and the small change I made for 0.9 is most probably
unnecessary unless you are encountering problems. I've been using Nova for
quite some time (many years) and it was only recently I've been aware of any
problem. Because of the nature of the fault (it's intermittent), it's taken
a while to find it.
Regarding a firmware upgrade, I would only recommend upgrading the firmware
from the serial 'MAX232' port, and only using a 'proper' serial port (not a
USB one). I do know that in the early days of the project I did manage to
program the unit via an emulated USB COM port, but latterly I found it
unreliable and slow if it worked at all.
You could try upgrading through the USB port, but please bear in mind that
if it fails part way through the flash upgrade you'll need to try again
until it's successful: once the flash upgrade has started, it's already
blown away the last code. A failure in programming won't bust the chip
itself, but of course it'll be frustrating if you need to find a machine
with a serial port on it.
73, Howard GJ6LVB
------------------------------
Message: 11
Date: Tue, 27 May 2008 16:58:49 -0700
From: Bill Ress <bill(AT)hsmicrowave.com>
Subject: [amsat-bb] Interesting RS-30 article - thanks!
To: Peter Guelzow <peter.guelzow(AT)kourou.de>
Cc: amsat-bb(AT)AMSAT.Org
Message-ID: <483CA039.7070609(AT)hsmicrowave.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Peter,
Thanks for the translated version and to Trevor for pointing us to the
original.
Unfortunately - no hint of a transponder so I'll assume the worst and
just be happy to track and try to decode the interesting download.
Sure wish they would be more forthcoming with information.
No coordination done via the IARU - but then they never have (to the
best of my knowledge).
Regards...Bill - N6GHz
Peter Guelzow wrote:
> Hi Trevor,
>
> this one might be easier to read :-)
>
> http://www.npopm.com/images/File/magazin/2008/m3-screen_en.pdf
>
>
> This is also about the primary payloads launched...
> http://www.gonets.ru/english.htm
>
>
> 73s Peter
>
>
>
> Trevor wrote:
>
>> --- On Tue, 27/5/08, Trevor <m5aka(AT)yahoo.co.uk> wrote:
>>
>>
>>> I'm just hoping that between 435.215 and 435.315 is the
>>> output of a Mode J linear transponder - fingers crossed.
>>>
>>>
>> Alas that may be wishfull thinking. Just been reading the Journal of OAO
"ISS" No.3, February, 2008 at
>> http://www.iss-reshetnev.ru/images/File/magazin/2008/m3-screen.pdf
>>
>> and from there it looks like a 145-435 MHz Store-and-Forward system.
>>
>> 73 Trevor M5AKA
>>
>>
>>
>> __________________________________________________________
>> Sent from Yahoo! Mail.
>> A Smarter Email http://uk.docs.yahoo.com/nowyoucan.html
>>
>> _______________________________________________
>> Sent via AMSAT-BB(AT)amsat.org. 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
>>
>>
>>
>
> _______________________________________________
> Sent via AMSAT-BB(AT)amsat.org. 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: 12
Date: Tue, 27 May 2008 20:13:54 -0400
From: Anthony Monteiro <aa2tx(AT)comcast.net>
Subject: [amsat-bb] Re: IT
To: "Ronald A. Stunden" <ve7yc(AT)shaw.ca>, amsat-bb(AT)AMSAT.ORG
Message-ID: <20080528001356.85S0Duy00EDcK(AT)mailbox5.ucsd.edu>
Content-Type: text/plain; charset="us-ascii"; format=flowed
At 01:37 PM 5/27/2008, Ronald A. Stunden wrote:
>Seems to me there was a patch for 1.5 etc for the map operation with
>Win XP but I can't find it . Anyone know where to find it?? Thanks Ron
Hi Ron,
On my WinXP system, the default DOS properties had memory set to
to 512K. This leads to ridiculus error messages like
"insufficient memory" to run the IT map when the system has 1 gigabyte!
To fix this, left-click your DOS Wizard icon and select the "memory"
tab. Set eveything to AUTO and set "protected" and "HMA" and you should
be all set. This set of options is perfectly fine for just about
any DOS application. I suspect MS set the options this way just to make
it a pain in the neck to run DOS programs as all the previous versions
of windows that I have seen defaulted to AUTO.
73,
Tony AA2TX
------------------------------
Message: 13
Date: Tue, 27 May 2008 21:25:39 -0500
From: "Alan" <ve4yz(AT)mts.net>
Subject: [amsat-bb] Re: LVB Tracker Firmware v0.9
To: "'Howard Long'" <howard(AT)howardlong.com>, <amsat-bb(AT)amsat.org>,
"'Gould Smith'" <gouldsmi(AT)bellsouth.net>
Message-ID: <E53D656994FF4BF3AF770BE0667F94EC(AT)athlon>
Content-Type: text/plain; charset="us-ascii"
Thanks Howard and Gould for the speedy responses. MAX232 removed and
business as usual using v0.9
I appreciate Howard's comment about not upgrading unless you have existing
problems, however, some of us like to "run around while carrying scissors".
In the old days I always installed version X.00 of a new operating system
rather than waiting for X.01
I have found one re-occurring problem in that SATPC32 when launching
ServerSDX does not always "see" the virtual serial port used by the USB/LVB
and required a shutdown of SATPC32 and ServerSDX. Turning the G5400B OFF
and ON and then restarting SATPC32 usually results in a ServerSDX
connection. Perhaps the LVB timing change will resolve this problem. Time
will tell.
-----Original Message-----
From: Gould Smith [mailto:gouldsmi(AT)bellsouth.net]
Sent: May 27, 2008 6:44 PM
To: Alan; 'Howard Long'; amsat-bb(AT)AMSAT.Org
Subject: Re: [amsat-bb] LVB Tracker Firmware v0.9
Hello Alan,
Both the USB and Max232 chip are connected to the same data pins on the
microprocessor, so they are both trying to talk to the main routine. It is
no recommended to have both the USB and Serial chip in the unit at the same
time.
This will also draw extra current that wasn't planned for with the heat
sink.
I will be sending out an email to the BB later tonight about the upgrade.
73,
Gould
----- Original Message -----
From: "Alan" <ve4yz(AT)mts.net>
To: "'Howard Long'" <howard(AT)howardlong.com>; <amsat-bb(AT)AMSAT.Org>
Sent: Tuesday, May 27, 2008 6:21 PM
Subject: [amsat-bb] LVB Tracker Firmware v0.9
> Hi Howard and the group...
>
> I successfully updated my LVB from v0.7 to v0.9
>
> The question is: if you only use the LVB Tracker with a USB cable, can you
> leave the MAX232 chip installed?
>
> Here is why I ask...
>
> After the successful update, replacement of the USB board and
> recalibration,
> I ran a pass and the LVB behaved normally. I then realized I left the
> MAX232 installed. The installation and DIY assembly instructions suggest
> you run either the USB board or MAX232 serial but not to have both
> installed. Or I cannot read or comprehend the instructions???
>
> The AMSAT fully assembled USB version of LVB Tracker including the case
> requires a lot of extra steps to do a firmware upgrade. To remove the USB
> board from its socket so that the MAX232 chip can be installed and used,
> you
> have to remove the motherboard from the case. This is the only way for
> the
> USB connector to clear the case so that it can be pulled straight up and
> out. Afterwards, to remove the MAX232, there is not enough clearance for
> a
> chip puller so you fiddle around with a small screw driver or something
> similar to pry out the chip.
>
> BTW, I took this opportunity to try to upgrade via the USB port and can
> confirm it is flaky. The serial upgrade took less than a 1 minute of
> processing time to upload the firmware and verify. Using the USB only
> took
> about 1 hour (yes I waited ) and did not verify 100% ( 5 errors - flipped
> bits - found in my case ).
>
> Thanks... Alan
>
> _______________________________________________
> Sent via AMSAT-BB(AT)amsat.org. 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: 14
Date: Tue, 27 May 2008 21:42:21 -0700
From: "Greg D." <ko6th_greg(AT)hotmail.com>
Subject: [amsat-bb] Re: DirecWav satellite internet useful?
To: <amsat-bb(AT)amsat.org>
Message-ID: <BLU133-W12FDB294CC4AF4BBBB899AA9BC0(AT)phx.gbl>
Content-Type: text/plain; charset="Windows-1252"
Hi all,
Well, it's been saved from the dumpster, at least for now. But, I kind of
don't care much about the dish itself - it's probably a bit big /heavy for my
Az/El rotor setup, though it's hard to tell with the huge steel support mount
still attached. I nearly wrenched my back out carrying it over to my side
yard this morning. (I think the Advil is wearing off... oow)
But, back to the pre-amp and other electronics pieces... I found a reference
to the Hughes DirecWay (not wav) service on the Web. Looks like the stuff
runs in the Ku Band (11-14.5 ghz, according to Wikipedia), and has a 0.5-2
watt transmitter, depending on model. Sounds like it's possibly a good bit
out of band for P3E needs, and I'm not much good with microwave hacking. Am I
better off taking another two pills and putting it back on the pile, or is
there a reasonable chance that I can do some simple (think "Drake")
modifications to get it to work?
Greg KO6TH
________________________________
> From: w7lrd(AT)comcast.net
> To: ko6th_greg(AT)hotmail.com; kc6uqh(AT)cox.net; amsat-bb(AT)amsat.org
> Subject: Re: [amsat-bb] Re: DirecWav satellite internet useful?
> Date: Tue, 27 May 2008 17:14:01 +0000
>
> Greg- They seem to be an off center feed antenna, similar to the old
primestar dish of which I have been successfully using for several years. If
it's free you can't beat the price.
> 73 Bob W7LRD
>
> --
> "if this were easy, everyone would be doing it"
>
> -------------- Original message --------------
> From: "Greg D."
>
>>
>> Hi Art,
>>
>> The DirectWav is an Internet link - data, not TV - but good point about LO
>> stability being an unknown.
>>
>> But, my base question was whether any of the pieces can be used, and it
sounds
>> like it's worth saving. Thanks!
>>
>> Greg KO6TH
>>
>>
>> ----------------------------------------
>>> From: kc6uqh(AT)cox.net
>>> To: ko6th_greg(AT)hotmail.com; amsat-bb(AT)amsat.org
>>> Subject: Re: [amsat-bb] DirecWav satellite internet useful?
>>> Date: Mon, 26 May 2008 22:20:55 -0700
>>>
>>> Greg,
>>> These dishes are used on 10 GHz and lower frequencies. Designed to operate
>>> in Ku Band ~12 GHz they will give ~30 dBof gain. The LNB and feed can be
>>> used , at least the LNA section. As the intended use is television the LO
is
>>> not stable enough for Amateur Satellite work.
>>>
>>> Art,
>>> KC6UQH
>>> ----- Original Message -----
>>> From: "Greg D."
>>> To:
>>> Sent: Monday, May 26, 2008 8:23 PM
>>> Subject: [amsat-bb] DirecWav satellite internet useful?
>>>
>>>
>>>
>>> Hi folks,
>>>
>>> My neighbor appears to be tossing their Hughes "DirecWav" satellite
internet
>>> dish and associated dish-mounted electronics. By any stroke of luck, is
>>> this stuff reasonably convertable for use with any of the the proposed P3E
>>> up or downlinks? I have no idea what frequency it runs. It appears to have
>>> both transmit and receive capabilities (based on the warnings posted).
>>> There are no model numbers tha t I can find on the electronics.
>>>
>>> I've got my AO-40 S-band receive setup, but nothing for the higher bands.
>>>
>>> Thanks,
>>>
>>> Greg KO6TH
>>> _________________________________________________________________
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>>> _______________________________________________
>>> Sent via AMSAT-BB(AT)amsat.org. Opinions expressed are those of the
author.
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>>>
>>
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------------------------------
Message: 15
Date: Wed, 28 May 2008 00:53:17 -0400
From: "Gould Smith" <gouldsmi(AT)bellsouth.net>
Subject: [amsat-bb] LVB Tracker software upgrade
To: <amsat-bb(AT)amsat.org>
Message-ID: <758CBB7507EC4AEEA0D1CF8D1BDBADE2(AT)GouldMainPC>
Content-Type: text/plain; charset="iso-8859-1"
First, I would request that everyone that gets an LVB Tracker Box from AMSAT-
NA to address any problems to Gould Smith, wa4sxm(AT)amsat.org rather than to
Howard. Howard is working on many other important projects for multiple AMSAT
groups. Mike, WB8CXO and I will work with you to resolve any problems
This email is to clarify the effect upon the LVB Tracker boxes delivered via
AMSAT-NA arising from the release of software version 0.9 that Howard Long,
G6LVB has announced.
0. The LVB Tracker boxes sold by AMSAT-NA have software v 0.7 when delivered.
release 0.8 had a fix to make the board work better with the PREDICT
software, v0.7 did work fine in our tests with PREDICT
release 0.9 has a fix to make the 9600 bps communication bit timing
better, the current timing in v0.7 & v0.8 should be
adequate. Any bit timing problems should effect all tracking software
communication, but will effect longer serial data
strings more.
1. If you are not experiencing any problem communicating with your selected
tracking program, this software upgrade probably
is not necessary.
2. We are not shipping the MAX232CPE chip with the boxes because:
a) you cannot/should not run both the USB and serial ports at the same
time
b) we couldn't rationalize the extra expense and time to adequately
package a loose chip so it could be found when
needed
3. We are in the process of packaging some MAX232CPE chips and will make them
available at a reasonable cost through the
AMSAT office within the next two weeks.
4. You cannot reliably re-program the box using the USB port.
5. To re-program the PIC processor using the main board you must:
a) remove the LVB Tracker cover
b) disconnect the LCD, pushbutton and rotor controller cable headers
c) unscrew the four screws holding the main board to the case and
gently remove the main board from the box
d) very carefully remove the USB module from the 28 pin socket. There
are surface mount parts on the bottom of the USB module, so use
extreme caution when prying the module out of the socket.
e) insert the MAX232CPE chip into its socket, making sure to orient it
correctly
f) follow the instructions for running the DOS program Howard wrote to
program the PIC chip via a serial port.
g) remove the MAX232 chip after a successful programming effort
f) insert the USB module back into the 28 pin socket on the main board
g) screw the main board back into the enclosure
h) re-attach the LCD, pushbutton and rotor controller cable headers
i) re-attach the cover
j) go through the calibration procedure again (possibly)
6. We are testing the new software release and after successful testing will
use this in our future LVB Tracker boxes.
We are also testing the LVB Tracker 2, using a different PIC chip and new
software. This chip will replace the one in the current box and with some
proposed hardware additions will make a more versatile unit. There are still
some changes/improvements that need to be made and additional tests run before
we make this available.
Each box is tested, calibrated and made to control a Yaesu rotor from SatPC32
or MacDoppler Pro before shipping. Mike Young, WB8CXO continues to take a
great deal of pride in providing a quality box to those getting these units
from AMSAT.
73,
Gould, WA4SXM
------------------------------
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End of AMSAT-BB Digest, Vol 3, Issue 266
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