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CX2SA > SATDIG 28.10.09 18:11l 1026 Lines 30279 Bytes #999 (0) @ WW
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Path: IZ3LSV<IK2XDE<HB9TVW<DB0ANF<CX2SA
Sent: 091028/1611Z @:CX2SA.LAV.URY.SA #:13104 [Minas] FBB7.00e $:AMSATBB4575
From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
Today's Topics:
1. Re: Ares (Andrew Rich)
2. Re: Nova Satellite Prediction Program (Joel Black)
3. Re: SatPC32, Yaesu FT-736, and KCT (Jim Bennett)
4. Re: FS items (Arrow, PCR-1000) (Mark L. Hammond)
5. Re: requesting help on a RF link solution (imaginary
ka-bandlink!) (i8cvs)
6. Yaesu G 5400 elevation rotator quit working (John)
7. Re: Yaesu G 5400 elevation rotator quit working (Greg D.)
8. Re: PIC rotator control (Gordon JC Pearce)
9. Re: PIC rotator control (Gordon JC Pearce)
10. Re: Portable satellite terminals for disaster relief
(Daniel Schultz)
11. Re: PIC rotator control (Andrew Rich)
12. Re: PIC rotator control (Jean-Fran?ois M?nard)
13. Re: PIC rotator control (Andrew Rich)
14. Re: PIC rotator control (Jean-Fran?ois M?nard)
15. Re: Nova Satellite Prediction Program (Alan P. Biddle)
16. Diamond Yagis (John Geiger)
17. Re Which rotator control to use. (howard dawson)
----------------------------------------------------------------------
Message: 1
Date: Wed, 28 Oct 2009 07:49:43 +1000
From: "Andrew Rich" <vk4tec@xxxxxxxxxxxxx.xxx>
Subject: [amsat-bb] Re: Ares
To: <kg4zlb@xxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <3F3D9E722675473E8C3E723900D26AEE@xxxxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Ah - shuttle relacement
----- Original Message -----
From: "David - KG4ZLB" <kg4zlb@xxxxxxxxxx.xxx>
To: <vk4tec@xxxxxxxxxxxxx.xxx>
Cc: <rwmcgwier@xxxxx.xxx>; <amsat-bb@xxxxx.xxx>
Sent: Wednesday, October 28, 2009 2:48 AM
Subject: Re: [amsat-bb] Re: Ares
> Here! <http://en.wikipedia.org/wiki/Ares_I-X>
>
>
>
>
> Andrew Rich wrote:
>> What is ARES and what is on it ?
>>
>> ----- Original Message ----- From: "Bob McGwier" <rwmcgwier@xxxxx.xxx>
>> To: <kg4zlb@xxxxx.xxx>
>> Cc: <amsat-bb@xxxxx.xxx>
>> Sent: Wednesday, October 28, 2009 2:03 AM
>> Subject: [amsat-bb] Re: Ares
>>
>>
>>
>>
>>
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>>
>>
>>
>>
>> No virus found in this incoming message.
>> Checked by AVG - www.avg.com
>> Version: 8.5.423 / Virus Database: 270.14.33/2461 - Release Date:
>> 10/26/09 20:22:00
>>
>>
>
> --
> David
> KG4ZLB
> www.kg4zlb.com
>
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Checked by AVG - www.avg.com
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20:22:00
------------------------------
Message: 2
Date: Tue, 27 Oct 2009 17:13:47 -0500
From: Joel Black <jbblack68@xxxxx.xxx>
Subject: [amsat-bb] Re: Nova Satellite Prediction Program
To: amsat-bb@xxxxx.xxx
Message-ID: <4AE7709B.8050106@xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
SatPC32 IMHO...
73,
Joel, W4JBB
Jimcknwire@xxx.xxx wrote:
> Installed, reinstalled, changed versions- multiple problems with
> calculating scripts. What program should I change to?
> _______________________________________________
> 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: 3
Date: Tue, 27 Oct 2009 18:36:28 -0400
From: "Jim Bennett" <jlb3nn@xxxxxxxxx.xxx>
Subject: [amsat-bb] Re: SatPC32, Yaesu FT-736, and KCT
To: "'Erich Eichmann'" <erich.eichmann@xxxxxxxx.xx>, "'Alan VE4YZ'"
<ve4yz@xxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <3894AE1D614140FF9BBF0634634E474C@xxxx>
Content-Type: text/plain; charset="us-ascii"
Alan and Erich,
Thanks for the replies. I really appreciate it. It is good to know that
there is someone or some ones out there that are ready to help when asked.
So, if I read correctly, I should be able to use my KCT to tune the radio
along with the rotors. With no other cables other than what the KCT has.
Right? I will go back through the setup info and see if I can figure it
out.
Also, I could bypass KCT and use a separate data cable to tune the radio
thru the serial port using a converter cable, RS-232 -> TTL. But what about
the rotor? Is there an interface schematic for that? That would require an
additional serial port? Right?
Thanks for the help.
Jim
KE4KOL
-----Original Message-----
From: Erich Eichmann [mailto:erich.eichmann@xxxxxxxx.xxx
Sent: Tuesday, October 27, 2009 5:51 AM
To: Jim Bennett
Cc: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] SatPC32, Yaesu FT-736, and KCT
Hello Jim,
as Alan, VE4YZ, wrote already you can run the FT-736R with SatPC32 directly
at a serial port of the PC. You need a CAT interface for level conversion
RS-232 > TTL. In the sub folder KCT in the SatPC32 program folder you will
find a schematic of an interface that can easily be built by yourself.
You can run the FT-736R also at one of the 2 serial ports of the KCT Tuner
(ports A and B). The KCT can be configured for TTL level (see the KCT
manual p. 15). So, you save a COM port and don't need an external CAT
interface for level conversion. You will find detailed instructions
regarding rotor AND CAT steering with the KCT in the file Readme(KCT).txt.
The text can be displayed from the SatPC32 menu "?", "Hints[Rotor] ....KCT".
(I just tested CAT steering of my the FT-736R with the KCT-Tuner again and
it
works. Let me know if you want to know my settings.)
Regarding performance it makes no difference whether you steer the FT-736R
via the PC's serial port or the KCT Tuner. The CAT system of the FT-736R
does not allow to read the VFO frequencies. So, with CW/SSB sats it can only
be tuned around the passband with the mouse or keyboard but not with the
VFO knob ("transparent tuning"). With other radios CAT steering directly
via a COM port has the advantage that it allows "transparent" tuning. That
doesn't work if you steer the radio via a KCT Tuner port, because the
SatPC32 software for the KCT only sends commands but does not read from the
port.
73s, Erich, DK1TB
----- Original Message -----
From: "Jim Bennett" <jlb3nn@xxxxxxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Sent: Tuesday, October 27, 2009 3:08 AM
Subject: [amsat-bb] SatPC32, Yaesu FT-736, and KCT
> Has anyone got this configuration working? My current setup is:
>
>
>
> Yaesu FT-736, WISP, Kansas City Tracker/Tuner with Yaesu 5400 rotor
> control
> box.
>
>
>
> I have try to use Satpc32 with the KCT and it will interface with the
> rotor
> control, but will not tune the radio.
>
>
>
> Do I need a separate cable for the data link? Or will Satpc32 interface
> with KTC and tune thru the KTC board?
>
>
>
> Thanks for any info.
>
>
>
> Jim
>
> KE4KOL
>
>
>
> _______________________________________________
> 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, 27 Oct 2009 19:17:00 -0400
From: "Mark L. Hammond" <marklhammond@xxxxx.xxx>
Subject: [amsat-bb] Re: FS items (Arrow, PCR-1000)
To: amsat-bb@xxxxx.xxx
Message-ID: <4ae77f69.0706c00a.4062.1578@xx.xxxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
The UT-10 L-band module has been sold. Thanks for the interest.
The Arrow antenna and the PCR-1000 are still available!
73,
Mark N8MH
>Date: Mon, 26 Oct 2009 15:51:50 -0400
>Delivered-To: marklhammond@xxxxx.xxx
>Subject: FS items (Arrow, PCR-1000, 1.2 GHz module for TS-790).
>From: "Mark L. Hammond" <marklhammond@xxxxx.xxx>
>To: amsat-bb@xxxxx.xxx
>
>Hello AMSAT-BB,
>
>I need to pursue a tower/rotor/antenna project. Therefore, I am
>selling some items in the shack to help fund the project. The prices
>are "fair" and therefore "firm". I'm giving the BB a shot before I
>take these to a local hamfest or eBay. Prices do not include
>shipping/insurance.
>
>1) Arrow II Antenna 146/437-10WBP Satellite version with built-in
>diplexer and split boom. Condition: nearly new, only assembled about
>5 times. Elements/boom neatly numbered via label-maker tape. $100 +
>shipping/insurance.
>
>2) Icom PCR-1000 receiver. Includes receiver, serial cable, and
>power supply. Condition: few minor scuffs/scratches, perfect working
>condition. (The variable bandwidth permits reception of 38k4 packet
>signals!) $250 + shipping/insurance.
>
>SOLD 3) UT-10 1.2 GHz L-band module for Kenwood TS-790. This is a
>plug-n-play module, about a 5-10 min. no-tuning install. Includes
>screws. Condition: Perfect working order, low transmit time, full
>10W output. Price: $475 + shipping/insurance.
>
>Please contact me directly offlist at: marklhammond AT gmail DOT com
>
>
>73,
>--
>Mark L. Hammond [N8MH]
Mark L. Hammond [N8MH]
------------------------------
Message: 5
Date: Wed, 28 Oct 2009 01:44:14 +0100
From: "i8cvs" <domenico.i8cvs@xxx.xx>
Subject: [amsat-bb] Re: requesting help on a RF link solution
(imaginary ka-bandlink!)
To: "Samudra Haque" <samudra.haque@xxxxx.xxx>, "Amsat-bb"
<amsat-bb@xxxxx.xxx>
Message-ID: <004701ca5767$c5de2b00$0201a8c0@xxx.xx>
Content-Type: text/plain; charset="iso-8859-1"
----- Original Message -----
From: "Samudra Haque" <samudra.haque@xxxxx.xxx>
To: "Amsat-bb" <amsat-bb@xxxxx.xxx>
Sent: Tuesday, October 27, 2009 11:03 AM
Subject: [amsat-bb] requesting help on a RF link solution (imaginary
ka-bandlink!)
> Hi, amsat-bb
>
> CQ any satellite link budget expert !
>
> I'm trying to do a calculation on my own based upon published specs
> for the NASA MRO Ka-band experiment, but am getting some unexpected
> results for a Ka-band simplex link with Temp=3000K (hypothetical),
> operating with a Signal to Noise ratio (unitless) figure of 1.171
> (representing 4.5 dB eb/no with a data rate of 1 Gbps and a bandwidth
> of 2.4x10^9 Hz)
>
> Question : is 1 gbps not 1x10^9 bps ?
>
> Question : if both antennas are 3m parabolic (both are the same type)
> with 56.4 dBi boresight gain, what would you think the furthest
> distance the link can perform with SNR of 1.171. I have actually used
> a padding of 3 dB Eb/No in my link budget, so am not worried about any
> further signal loss at first (ok, I should be ..) For the exercise, I
> am choosing a 10 Watt estimated output on an arbitrary basis.
>
> So:
>
> P_t = 10W
>
> G_t = 56.4 dBi = G_r , can we assume the same gain for TX and RX on a
> parabolic dish ?
>
> T = 3000K at receiver
>
> SNR = 1.171 required
>
> f=32.2 GHz
>
> B = 2.4E9 Hz, (bpsk, ldpc code 0.5)
>
> DR = 1E9 bps
>
> So, I am puzzled why this link budget says the range with these
> parameters is equal to 4.644 x 10^9 Km -- that seems to be a long
> distance ! What am I not able to conceptualize.
>
> BTW, I know if I send this out, the answer will come to me soon
> thereafter, but for education, I would like to know where the problem
> in my understanding lies !
>
> Samudra N3RDX
Hi Samudra, N3RDX
If I well understand your question is to know what is the maximum
free space distance at which you can get a S/N ratio of 4.5 dB using
two identical transmitting and receiving systems having the following
characteristics:
1) Antenna gain for TX and RX = 56.4 dBi at 32.2 GHz
2) Frequency = 32.2 GHz
3) Overall receiving system noise temperature: T = 3000 kelvin
4) Bandwidth of receiving system = 2.4 x 10^9 Hz
5) TX power 10 W
6) Required Signal to Noise ratio S/N at the unknown distance = 4.5 dB
With the above data we first calculate the receiver noise floor Pn = KTB
where:
K = Boltzmann constant = 1.38 x 10^ -23 (Joule/kelvin)
T = Overall System Noise Temperature = 3000 kelvin
B = Bandwidth of receiving system = 2.4 x 10^9 Hz
Working out the numbers we get the following RX noise floor
Pn = (1.38 x 10^ -23) x (3000) x (2.4 x 10^9) = 1 x 10^-10 watt
and 10 x [ log (1 x 10^-10)] = - 100 dBW or - 70 dBm
10
Link budged calculation
TX power = 10 W =..................+ 40 dBm
TX antenna gain ........................+ 56.4 dBi
------------
Transmitted EIRP......................+ 96.4 dBm
Free space attenuation for
61.000 km at 32.2 GHz............- 218.3 dB
------------
Received power over isotropic
ant. at 61.000 km distance........- 121.9 dBm
RX antenna gain.......................+56.4 dB
-------------
Received power at RX input... - 65.5 dBm
Receiver noise floor.................- 70.0 dBm
--------------
Received S/N Ratio................. + 4.5 dB
Conclusion:
Using two boresight identical parabolic dishes having each a gain of
56.4 dBi at 32.2 GHz one transmitting with 10 watt and the other one
receiving with a receiving system having a noise temperature of 3000 kelvin
into a bandwidth = 2.4 x 10^9 Hz the free space distance at which the
signal is received with a S/N ratio = + 4.5 dB is only 61.000 km so that
your hypothetical system is not suitable for the NASA MRO Ka-band
experiment because the distance Earth to Mars is about 1 AU i.e.
1 Astronomical Unit corresponding to 149 Million/ km
73" de
i8CVS Domenico
------------------------------
Message: 6
Date: Tue, 27 Oct 2009 21:50:51 -0500
From: "John" <jcrowell@xxxxxxxxxxx.xxx>
Subject: [amsat-bb] Yaesu G 5400 elevation rotator quit working
To: <amsat-bb@xxxxx.xxx>
Message-ID: <0DFB823C5425400AA34F989EF7F85C93@xxxxxxxxxxxxx>
Content-Type: text/plain; charset="us-ascii"
My Yaesu G 5400 Elevation rotator decided to quit working Friday morning.
I could press the up and down buttons and hear the motor running but the
antennas would not move.
After being gone out of town for two days, I decided to try it again Sunday
night.
And to my amazement, it worked. The antenna moved.
Anybody have any clues as to why this happens and what to do to fix it?
Thanks,
John C.
KE5GFJ
Pampa, Texas
Ke5gfj@xxxxxxxxxxx.xxx
------------------------------
Message: 7
Date: Tue, 27 Oct 2009 22:35:32 -0700
From: "Greg D." <ko6th_greg@xxxxxxx.xxx>
Subject: [amsat-bb] Re: Yaesu G 5400 elevation rotator quit working
To: <jcrowell@xxxxxxxxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Message-ID: <BLU133-W2199BE4EF2CDDCB9992F2BA9B80@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
If the motor is actually moving, but the antennas are not, then there's got
to be a loose bolt between the motor and the boom. Maybe when it's cold at
night things contract a bit and it holds?
If it's not that, then there's probably a stripped gear internally, and that
would be bad news.
Just my guessing...
Greg KO6TH
> From: jcrowell@xxxxxxxxxxx.xxx
> To: amsat-bb@xxxxx.xxx
> Date: Tue, 27 Oct 2009 21:50:51 -0500
> Subject: [amsat-bb] Yaesu G 5400 elevation rotator quit working
>
> My Yaesu G 5400 Elevation rotator decided to quit working Friday morning.
>
> I could press the up and down buttons and hear the motor running but the
> antennas would not move.
>
> After being gone out of town for two days, I decided to try it again Sunday
> night.
>
> And to my amazement, it worked. The antenna moved.
>
> Anybody have any clues as to why this happens and what to do to fix it?
>
> Thanks,
>
> John C.
>
> KE5GFJ
>
> Pampa, Texas
>
> Ke5gfj@xxxxxxxxxxx.xxx
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
_________________________________________________________________
Windows 7: It works the way you want. Learn more.
http://www.microsoft.com/Windows/windows-7/default.aspx?ocid=PID24727::T:WLMTA
GL:ON:WL:en-US:WWL_WIN_evergreen2:102009
------------------------------
Message: 8
Date: Wed, 28 Oct 2009 07:43:40 +0000
From: Gordon JC Pearce <gordonjcp@xxxx.xxx>
Subject: [amsat-bb] Re: PIC rotator control
To: amsat-bb@xxxxx.xxx
Message-ID: <1256715820.7366.1.camel@xxxxx.xxxx>
Content-Type: text/plain; charset="UTF-8"
On Fri, 2009-10-23 at 08:24 +1000, Andrew Rich wrote:
> I have used MPLAB and an imitation picstatrt programmer
>
> I use OLIMEX development boards and my role out is very quick
>
> I decided to use assembly because it made me think and understand how a PIC
> works
Assembler is the right choice here. PICs are pretty interesting in that
they are the only CPU that I've found that's considerably *harder* to
write code for in C than assembler.
Gordon MM0YEQ
------------------------------
Message: 9
Date: Wed, 28 Oct 2009 07:45:28 +0000
From: Gordon JC Pearce <gordonjcp@xxxx.xxx>
Subject: [amsat-bb] Re: PIC rotator control
To: amsat-bb@xxxxx.xxx
Message-ID: <1256715928.7366.2.camel@xxxxx.xxxx>
Content-Type: text/plain; charset="UTF-8"
On Wed, 2009-10-14 at 07:20 +1000, Andrew Rich wrote:
> Thanks
>
> Yes a small 10 inch laptop could do the work, predict would be used and
> frequent kep updates
I'm looking at using a mini2440 board for just such a thing - ARM9 CPU,
masses of GPIO, a couple of serial lines, USB host *and* slave ports,
and a 3.5" colour touchscreen ;-)
Gordon MM0YEQ
------------------------------
Message: 10
Date: Wed, 28 Oct 2009 04:09:12 -0400
From: "Daniel Schultz" <n8fgv@xxx.xxx>
Subject: [amsat-bb] Re: Portable satellite terminals for disaster
relief
To: <amsat-bb@xxxxx.xxx>
Message-ID: <023NJbiiL3718S02.1256717352@xxxxxxxx.xxx.xxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
JoAnne Maenpaa, K9JKM, wrote:
>I guess you're observing that AMSAT's GEO proposal has to fit into the GEO
satellite commodity market.
Should Amsat be working with NetHope to design a better terminal? How do we
work with these guys to convince them that they should be using a ham
satellite instead of a commercial service? One big advantage of the commercial
service is that it exists now. How do we get the money from funding agencies,
either government, corporate, or non-profit? Where does Amsat fit in to this
world? Have they even heard of us, our history and our capabilities?
>I've maintained that a GEO satellite is best suited to link widely deployed
sectors of the Incident Command System.
I think most government-based emergency authorities are not going to be
interested in building or funding a system that they do not design and
control. They consider amateur radio to be a last-ditch thing that they would
rather not count on, they would rather have an in-house system that fits in to
their chain of command and shows their funding authorities that they are fully
on top of emergency communications and don't need to rely on amateur
volunteers coming forward in time of need. A non-governmental organization
like NetHope might be more receptive to our proposals. We need to think hard
and come up with new ideas.
Dan Schultz N8FGV
------------------------------
Message: 11
Date: Wed, 28 Oct 2009 19:14:53 +1000
From: "Andrew Rich" <vk4tec@xxxxxxxxxxxxx.xxx>
Subject: [amsat-bb] Re: PIC rotator control
To: "Gordon JC Pearce" <gordonjcp@xxxx.xxx>, <amsat-bb@xxxxx.xxx>
Message-ID: <E85548CB9A5445F6891711C85350B5F0@xxxxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Sounds nice.
One thing I have to keep an eye on is power being drawn from the USB if I am
to use any sort of relays
----- Original Message -----
From: "Gordon JC Pearce" <gordonjcp@xxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Sent: Wednesday, October 28, 2009 5:45 PM
Subject: [amsat-bb] Re: PIC rotator control
> On Wed, 2009-10-14 at 07:20 +1000, Andrew Rich wrote:
>> Thanks
>>
>> Yes a small 10 inch laptop could do the work, predict would be used and
>> frequent kep updates
>
> I'm looking at using a mini2440 board for just such a thing - ARM9 CPU,
> masses of GPIO, a couple of serial lines, USB host *and* slave ports,
> and a 3.5" colour touchscreen ;-)
>
> Gordon MM0YEQ
>
> _______________________________________________
> 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
------------------------------------------------------------------------------
--
No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.5.423 / Virus Database: 270.14.34/2463 - Release Date: 10/27/09
15:50:00
------------------------------
Message: 12
Date: Wed, 28 Oct 2009 07:51:46 -0400
From: Jean-Fran?ois M?nard <jf.va2ss@xxxxx.xxx>
Subject: [amsat-bb] Re: PIC rotator control
To: Gordon JC Pearce <gordonjcp@xxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID:
<b6cfdc060910280451l41fdb82en824bd7ab14cc4e2a@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi Guys, anybody looked at http://www.mikroe.com/ for building your
controlled prototype.
I use this board for many project.... excellent kit and also excellent
support.
73
J-F VA2SS
2009/10/28 Gordon JC Pearce <gordonjcp@xxxx.xxx>
> On Wed, 2009-10-14 at 07:20 +1000, Andrew Rich wrote:
> > Thanks
> >
> > Yes a small 10 inch laptop could do the work, predict would be used and
> > frequent kep updates
>
> I'm looking at using a mini2440 board for just such a thing - ARM9 CPU,
> masses of GPIO, a couple of serial lines, USB host *and* slave ports,
> and a 3.5" colour touchscreen ;-)
>
> Gordon MM0YEQ
>
> _______________________________________________
> 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
>
--
Jean-Fran?ois M?nard
VA2SS
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
AMSAT www.amsat.org / Member #37102
ARRL www.arrl.org
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
------------------------------
Message: 13
Date: Wed, 28 Oct 2009 22:23:52 +1000
From: "Andrew Rich" <vk4tec@xxxxxxxxxxxxx.xxx>
Subject: [amsat-bb] Re: PIC rotator control
To: Jean-Fran?ois M?nard <jf.va2ss@xxxxx.xxx>, "Gordon JC Pearce"
<gordonjcp@xxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <67170B3DEDDC42348C3D3ACF06079AB1@xxxxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Very expensive and complete overkill
----- Original Message -----
From: "Jean-Fran?ois M?nard" <jf.va2ss@xxxxx.xxx>
To: "Gordon JC Pearce" <gordonjcp@xxxx.xxx>
Cc: <amsat-bb@xxxxx.xxx>
Sent: Wednesday, October 28, 2009 9:51 PM
Subject: [amsat-bb] Re: PIC rotator control
Hi Guys, anybody looked at http://www.mikroe.com/ for building your
controlled prototype.
I use this board for many project.... excellent kit and also excellent
support.
73
J-F VA2SS
2009/10/28 Gordon JC Pearce <gordonjcp@xxxx.xxx>
> On Wed, 2009-10-14 at 07:20 +1000, Andrew Rich wrote:
> > Thanks
> >
> > Yes a small 10 inch laptop could do the work, predict would be used and
> > frequent kep updates
>
> I'm looking at using a mini2440 board for just such a thing - ARM9 CPU,
> masses of GPIO, a couple of serial lines, USB host *and* slave ports,
> and a 3.5" colour touchscreen ;-)
>
> Gordon MM0YEQ
>
> _______________________________________________
> 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!
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>
--
Jean-Fran?ois M?nard
VA2SS
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
AMSAT www.amsat.org / Member #37102
ARRL www.arrl.org
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
_______________________________________________
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15:50:00
------------------------------
Message: 14
Date: Wed, 28 Oct 2009 09:11:53 -0400
From: Jean-Fran?ois M?nard <jf.va2ss@xxxxx.xxx>
Subject: [amsat-bb] Re: PIC rotator control
To: Andrew Rich <vk4tec@xxxxxxxxxxxxx.xxx>, Gordon JC Pearce
<gordonjcp@xxxx.xxx>, amsat-bb@xxxxx.xxx
Message-ID:
<b6cfdc060910280611q2ab75050u1e5e1f7520712f1f@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
It is a prototype board for many project... An exellent learning tool !!
2009/10/28, Andrew Rich <vk4tec@xxxxxxxxxxxxx.xxx>:
> Very expensive and complete overkill
>
>
> ----- Original Message -----
> From: "Jean-Fran?ois M?nard" <jf.va2ss@xxxxx.xxx>
> To: "Gordon JC Pearce" <gordonjcp@xxxx.xxx>
> Cc: <amsat-bb@xxxxx.xxx>
> Sent: Wednesday, October 28, 2009 9:51 PM
> Subject: [amsat-bb] Re: PIC rotator control
>
>
> Hi Guys, anybody looked at http://www.mikroe.com/ for building your
> controlled prototype.
>
> I use this board for many project.... excellent kit and also excellent
> support.
>
> 73
>
> J-F VA2SS
>
> 2009/10/28 Gordon JC Pearce <gordonjcp@xxxx.xxx>
>
>> On Wed, 2009-10-14 at 07:20 +1000, Andrew Rich wrote:
>> > Thanks
>> >
>> > Yes a small 10 inch laptop could do the work, predict would be used and
>> > frequent kep updates
>>
>> I'm looking at using a mini2440 board for just such a thing - ARM9 CPU,
>> masses of GPIO, a couple of serial lines, USB host *and* slave ports,
>> and a 3.5" colour touchscreen ;-)
>>
>> Gordon MM0YEQ
>>
>> _______________________________________________
>> 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
>>
>
>
>
> --
> Jean-Fran?ois M?nard
> VA2SS
>
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> AMSAT www.amsat.org / Member #37102
> ARRL www.arrl.org
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> _______________________________________________
> 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
>
>
>
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>
>
>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com
> Version: 8.5.423 / Virus Database: 270.14.34/2463 - Release Date: 10/27/09
> 15:50:00
>
>
--
Envoy? avec mon mobile
Jean-Fran?ois M?nard
VA2SS
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
AMSAT www.amsat.org / Member #37102
ARRL www.arrl.org
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
------------------------------
Message: 15
Date: Wed, 28 Oct 2009 09:03:41 -0500
From: "Alan P. Biddle" <APBIDDLE@xxxxxx.xxx>
Subject: [amsat-bb] Re: Nova Satellite Prediction Program
To: <amsat-bb@xxxxx.xxx>
Message-ID: <51265BEAF3604FBDAC8B6AAD2F681C04@xxxxxx>
Content-Type: text/plain; charset="us-ascii"
I would add my vote for that. NOVA is a great program, and with slightly
fancier graphics. However, SatPC32 just works, and works well. It easily
handles even Mode-S. The learning curve is very moderate, the documentation
is superb, and the support is even better. Honesty requires me to comment
that the registration fee goes directly to AMSAT for support, and that is
another real plus.
Alan
WA4SCA
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of Joel Black
Sent: 27 October, 2009 17:14
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Nova Satellite Prediction Program
SatPC32 IMHO...
73,
Joel, W4JBB
Jimcknwire@xxx.xxx wrote:
> Installed, reinstalled, changed versions- multiple problems with
> calculating scripts. What program should I change to?
> _______________________________________________
> 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
>
>
_______________________________________________
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: 16
Date: Wed, 28 Oct 2009 09:02:59 -0700 (PDT)
From: John Geiger <aa5jg@xxxxx.xxx>
Subject: [amsat-bb] Diamond Yagis
To: amsat-bb@xxxxx.xxx
Message-ID: <251113.3661.qm@xxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Has anyone tried out the Diamond 2m or 70cm yagis? If so, do they do a
pretty good job? They sure are priced nice. I am especially interested in
the A430S15 15 element UHF yagi model.
73s John AA5JG
------------------------------
Message: 17
Date: Wed, 28 Oct 2009 09:08:22 -0700 (PDT)
From: howard dawson <g0vbt@xxxxx.xxx>
Subject: [amsat-bb] Re Which rotator control to use.
To: amsat-bb@xxxxx.xxx
Message-ID: <549688.17922.qm@xxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=utf-8
Hi Eric.
I have been using Fodtrack along with F6DQM's (Gabriel Rivat) excellent
programme Sat_Explorer for over a year now, with no trouble whatsoever,
Fodtrack was home built a long time ago in the days of KO-23, UO22 etc and
has never given any trouble.
Gabriels programme SAT_Explorer can be downloaded free of charge from his
excellent web site http.//www.f6dqm.fr, it is very easy to set up and runs
perfectly.
Best of luck.
73 Howard G0VBT Amsat 6058
Send instant messages to your online friends http://uk.messenger.yahoo.com
------------------------------
_______________________________________________
Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
http://amsat.org/mailman/listinfo/amsat-bb
End of AMSAT-BB Digest, Vol 4, Issue 575
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