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CX2SA > SATDIG 08.01.10 22:03l 768 Lines 22601 Bytes #999 (0) @ WW
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From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
Today's Topics:
1. Re: 471A Service manual - looking again (STeve Andre')
2. Re: probably simple (Pete Rowe)
3. Re: HO-68 BBS upload!! (Luc Leblanc)
4. Re: [eu-amsat] Re: Re: HO-68 BBS upload!! (Thomas Frey)
5. Re: probably simple (Mark L. Hammond)
6. RS Satellites update (Mike Rupprecht)
7. Re: probably simple (Nigel Gunn G8IFF/W8IFF)
8. Re: probably simple (Edward Cole)
9. Re: RS Satellites update (PE0SAT)
10. HO 68 today (Mateusz)
11. Re: 471A Service manual - looking again (Rich Dailey (Gmail))
12. HAM RADIO UNIVERSITY (Peter)
----------------------------------------------------------------------
Message: 1
Date: Fri, 8 Jan 2010 12:21:34 -0500
From: "STeve Andre'" <andres@xxx.xxx>
Subject: [amsat-bb] Re: 471A Service manual - looking again
To: amsat-bb@xxxxx.xxx
Message-ID: <201001081221.34684.andres@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
On Friday 08 January 2010 11:35:11 Rich Dailey (Gmail) wrote:
> Alas, my search is back on again for a service manual (not the instruction
manual, which does have
> some technical info, but is not comprehensive) for the Icom IC-471A. I do
have the instruction manual,
> as well as a schematic. Thanks again to all who helped previously, and
thanks in advance for anyone
> who can help put me back on the trail.
>
> Rich, N8UX
Rich, I'm hoping this is wrong, but I was talking with another ham who
had lots of Icom stuff and he said that there never was a service
manual for the 471--something about Icom running out of time, etc, and
that the 271 would be a general guide to the 471.
I've collected just about all the service manuals for all my Icom gear
plus that of friends, and I have never seen 471 service stuff. Ever
since hearing the bad news I've idly looked about.
Perhaps you can prove this wrong in your further searches. If you do
find it, please let folks know.
--STeve Andre'
wb8wsf en82
------------------------------
Message: 2
Date: Fri, 8 Jan 2010 10:11:10 -0800 (PST)
From: Pete Rowe <ptrowe@xxxxx.xxx>
Subject: [amsat-bb] Re: probably simple
To: "Greg D." <ko6th_greg@xxxxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <224806.59230.qm@xxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=iso-8859-1
Hi Greg
I'm confused. It seems to me that the place when Doppler is zero is when the
satellite is about half way through the pass. This is when the Doppler goes
from positive (coming at me) to negative (going away from me). It seems like
this place would be the time of closest approach (TCA) and not way out on
the horizon when I see maximum Doppler.
What am I missing?
73,
Pete
WA6WOA
--- On Thu, 1/7/10, Greg D. <ko6th_greg@xxxxxxx.xxx> wrote:
From: Greg D. <ko6th_greg@xxxxxxx.xxx>
Subject: [amsat-bb] Re: probably simple
To: glasbrenner@xxxxxxxxxx.xxx
Cc: amsat-bb@xxxxx.xxx
Date: Thursday, January 7, 2010, 7:34 PM
Hi Drew,
SatPC32 is probably an excellent program (I'm on Linux here, so can't use
it), and if you've got the automation available, that's certainly the best
way to go.? And, by definition, the lower the elevation, the farther away
the satellite is, so your DX contacts are going to be at the edges of the
pass.
But any pass where you are really stretching the footprint is going to be a
low elevation pass.? The more you stretch, the lower the pass.? In the
limit, I think Bob's ultimate pass has a peak at .001-degrees for both
stations.? If you're doing that, then you're at TCA, and zero doppler.
That's all I meant to convey,
Greg? KO6TH
> Date: Thu, 7 Jan 2010 05:53:13 -0500
> From: glasbrenner@xxxxxxxxxx.xxx
> To: ko6th_greg@xxxxxxx.xxx
> CC: w7lrd@xxxxxxx.xxxx amsat-bb@xxxxx.xxx
> Subject: Re: [amsat-bb] Re: probably simple
>
> Greg D. wrote:
> > Hi Bob,
> >
> > Whatever the satellite, if you're trying to stretch the footprint, your
sked is always going to be at the peak of elevation, for that fleeting
moment when the satellite is a few degrees above the horizon.? That means
that you're always going to be at zero doppler shift, and the math will
always be the same.? Find yourself once at TCA on any pass, and lock them
in.? The numbers will be the same for your sked.
> >
> > Good luck,
> >
> > Greg? KO6TH
> >
> >???
> I wouldn't agree with that statement at all. Most of my long haul
> contacts on AO-7, FO-20 and 29, and now HO-68, are right after AOS or
> just before LOS, certainly not at TCA. Use my recent QSOs on HO-68 with
> Argentina as an example. Even when I work Europe on AO-7 it is at the
> beginning or end of a pass...not the middle.
>
> Bob, SatPC32 will show you the frequency with Doppler shift, and the
> Doppler shift. A little subtraction or addition and you have what you want.
>
> 73, Drew KO4MA
??? ???????? ?????? ??? ?
_________________________________________________________________
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------------------------------
Message: 3
Date: Fri, 08 Jan 2010 04:32:43 -0500
From: Luc Leblanc <lucleblanc6@xxxxxxxxx.xx>
Subject: [amsat-bb] Re: HO-68 BBS upload!!
To: amsat-bb@xxxxx.xxx
Cc: eu-amsat@xxxxxxxxxxx.xxx
Message-ID: <4B46B56B.23028.55940A0@xxxxxxxxxxx.xxxxxxxxx.xx>
Content-Type: text/plain; charset=US-ASCII
On 8 Jan 2010 at 18:17, Andrew Rich wrote:
Did anyone knows if there is other programs Windows or Linux base able to
emulate WISP!
> Can these satellite protocols be used on earth ?
>
> Station to station ?
>
> Andrew VK4TEC
>
>
>
> >I also uploaded a file with WiSP. Hope you can download it OK.
> >
> > It would be nice if other voice users did not transmit until the
> > packet transmission has stopped though.
> >
> > Patience gentlemen, please.
> >
> > 73, Dave. G1OCN.
> > AMSAT 5766
> >
> >
> > Subject: [amsat-bb] HO-68 BBS upload!!
> >
> > I succeeded in upload a file into BBS using WiSP, the file number was
> > 'CB'.
> >
> > http://www.ne.jp/asahi/hamradio/je9pel/xw1_digi.htm#bottom
> >
> > JE9PEL, Mineo Wakita
> >
"-"
Luc Leblanc VE2DWE
Skype VE2DWE
www.qsl.net/ve2dwe
DSTAR urcall VE2DWE
WAC BASIC CW PHONE SATELLITE
------------------------------
Message: 4
Date: Fri, 08 Jan 2010 12:33:29 +0100
From: Thomas Frey <th.frey@xxxxxxx.xx>
Subject: [amsat-bb] Re: [eu-amsat] Re: Re: HO-68 BBS upload!!
To: eu-amsat@xxxxxxxxxxx.xxx
Cc: amsat-bb@xxxxx.xxx
Message-ID: <4B471809.1040404@xxxxxxx.xx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Luc Leblanc wrote:
> On 8 Jan 2010 at 18:17, Andrew Rich wrote:
>
> Did anyone knows if there is other programs Windows or Linux base able to
emulate WISP!
>
If you use Linux look for WINE. Google is my friend, good luck.
>
>> Can these satellite protocols be used on earth ?
>>
>> Station to station ?
>>
>> Andrew VK4TEC
>>
>>
>
>>
>>
>>> I also uploaded a file with WiSP. Hope you can download it OK.
>>>
>>> It would be nice if other voice users did not transmit until the
>>> packet transmission has stopped though.
>>>
>>> Patience gentlemen, please.
>>>
>>> 73, Dave. G1OCN.
>>> AMSAT 5766
>>>
>>>
>>> Subject: [amsat-bb] HO-68 BBS upload!!
>>>
>>> I succeeded in upload a file into BBS using WiSP, the file number was
>>> 'CB'.
>>>
>>> http://www.ne.jp/asahi/hamradio/je9pel/xw1_digi.htm#bottom
>>>
>>> JE9PEL, Mineo Wakita
>>>
>>>
>
> "-"
>
>
> Luc Leblanc VE2DWE
> Skype VE2DWE
> www.qsl.net/ve2dwe
> DSTAR urcall VE2DWE
> WAC BASIC CW PHONE SATELLITE
>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
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>
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>
>
--
Mit freundlichen Gr?ssen, Regards, 73
Thomas Frey, HB9SKA
______________________________________________________________________
Thomas Frey, Holzgasse 2, CH-5242 Birr, Tel. + Fax: 056 444 93 41
http://home.datacomm.ch/th.frey/
------------------------------
Message: 5
Date: Fri, 8 Jan 2010 13:28:10 -0500
From: "Mark L. Hammond" <marklhammond@xxxxx.xxx>
Subject: [amsat-bb] Re: probably simple
To: Pete Rowe <ptrowe@xxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID:
<5d8cecfe1001081028q115cfa03h67c291e3436b69f9@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
I think part of the subject that confuses most of us (me included!) is
that while at TCA the offset is 0, the RATE of change on either side
of TCA is higher than at AOS or LOS. So, the actual frequency
offset is BIGGEST at LOS and AOS, but the rate of change is slow (it
doesnt' change much). It's easier to tune. At TCA you should hear
the satellite at the "actual" frequency, but not for long because the
change in frequency is fastest right before and right after...you tune
like crazy to keep up.
Maybe that will make sense to somebody...but I won't promise :)
Also---don't forget---a 10kHz offset at 2M is 30kHz at 70cm (and one
is increasing in freq while the other is decreasing...)
Use SatPC32 and you just about forget about having to do anything, and
watch it happen--good chance to see what is really going on.
73,
Mark N8MH
On Fri, Jan 8, 2010 at 1:11 PM, Pete Rowe <ptrowe@xxxxx.xxx> wrote:
> Hi Greg
> I'm confused. It seems to me that the place when Doppler is zero is when
the satellite is about half way through the pass. This is when the Doppler
goes from positive (coming at me) to negative (going away from me). It seems
like this place would be the time of closest approach (TCA) and not way out
on the horizon when I see maximum Doppler.
> What am I missing?
>
> 73,
> Pete
> WA6WOA
>
> --- On Thu, 1/7/10, Greg D. <ko6th_greg@xxxxxxx.xxx> wrote:
>
> From: Greg D. <ko6th_greg@xxxxxxx.xxx>
> Subject: [amsat-bb] Re: probably simple
> To: glasbrenner@xxxxxxxxxx.xxx
> Cc: amsat-bb@xxxxx.xxx
> Date: Thursday, January 7, 2010, 7:34 PM
>
>
> Hi Drew,
>
> SatPC32 is probably an excellent program (I'm on Linux here, so can't use
it), and if you've got the automation available, that's certainly the best
way to go.? And, by definition, the lower the elevation, the farther away
the satellite is, so your DX contacts are going to be at the edges of the
pass.
>
> But any pass where you are really stretching the footprint is going to be
a low elevation pass.? The more you stretch, the lower the pass.? In the
limit, I think Bob's ultimate pass has a peak at .001-degrees for both
stations.? If you're doing that, then you're at TCA, and zero doppler.
>
> That's all I meant to convey,
>
> Greg? KO6TH
>
>
>> Date: Thu, 7 Jan 2010 05:53:13 -0500
>> From: glasbrenner@xxxxxxxxxx.xxx
>> To: ko6th_greg@xxxxxxx.xxx
>> CC: w7lrd@xxxxxxx.xxxx amsat-bb@xxxxx.xxx
>> Subject: Re: [amsat-bb] Re: probably simple
>>
>> Greg D. wrote:
>> > Hi Bob,
>> >
>> > Whatever the satellite, if you're trying to stretch the footprint, your
sked is always going to be at the peak of elevation, for that fleeting
moment when the satellite is a few degrees above the horizon.? That means
that you're always going to be at zero doppler shift, and the math will
always be the same.? Find yourself once at TCA on any pass, and lock them
in.? The numbers will be the same for your sked.
>> >
>> > Good luck,
>> >
>> > Greg? KO6TH
>> >
>> >
>> I wouldn't agree with that statement at all. Most of my long haul
>> contacts on AO-7, FO-20 and 29, and now HO-68, are right after AOS or
>> just before LOS, certainly not at TCA. Use my recent QSOs on HO-68 with
>> Argentina as an example. Even when I work Europe on AO-7 it is at the
>> beginning or end of a pass...not the middle.
>>
>> Bob, SatPC32 will show you the frequency with Doppler shift, and the
>> Doppler shift. A little subtraction or addition and you have what you want.
>>
>> 73, Drew KO4MA
>
------------------------------
Message: 6
Date: Fri, 8 Jan 2010 19:32:00 +0100
From: "Mike Rupprecht" <mail@xxxxxxxxxxxxxx.xx>
Subject: [amsat-bb] RS Satellites update
To: <amsat-bb@xxxxx.xxx>
Message-ID: <004401ca9090$dea5f930$9bf1eb90$@xx>
Content-Type: text/plain; charset="us-ascii"
All,
I got some news from Alex, RW3DZ:
RS-28 = UGATUSAT (Ufa) - failed due to malfunction of electronics
RS-29 = STERKH - ID was reserved for this satellite but they used their own
TRX rig and this number was omitted so far
RS-30 = Yubileyny-1
RS-31 to RS-37 were used for ORBCOMM satellites under contract from
OHB-systems
RS-38 = Tatyana-2 is working perfect and operate well under Kaluga control
RS-39 = Chibis - is under construction since 2006 and may be in orbit in
2011
RS-40 = Yubileyny-2 - will be in orbit this year
next new RS satellites also in progress
written by RW3DZ and edited by DK3WN
------------------------------
Message: 7
Date: Fri, 08 Jan 2010 18:35:46 +0000
From: Nigel Gunn G8IFF/W8IFF <nigel@xxxxx.xxx>
Subject: [amsat-bb] Re: probably simple
To: Pete Rowe <ptrowe@xxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <4B477B02.3080804@xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8; format=flowed
Correct
On 08-Jan-10 18:11, Pete Rowe wrote:
> Hi Greg
> I'm confused. It seems to me that the place when Doppler is zero is when
the satellite is about half way through the pass. This is when the Doppler
goes from positive (coming at me) to negative (going away from me). It seems
like this place would be the time of closest approach (TCA) and not way out
on the horizon when I see maximum Doppler.
> What am I missing?
------------------------------
Message: 8
Date: Fri, 08 Jan 2010 09:36:22 -0900
From: Edward Cole <kl7uw@xxxxxxxxx.xxx>
Subject: [amsat-bb] Re: probably simple
To: "Mark L. Hammond" <marklhammond@xxxxx.xxx>, Pete Rowe
<ptrowe@xxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <201001081836.o08IaN0Z017964@xxxx.xxxxxxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"; format=flowed
The rate of change of Doppler is a sinusoidal function, so...
Think of a sine wave: the change in amplitude is highest close to the
zero crossing and smallest around the plus and minus maximums.
73, Ed - KL7UW
At 09:28 AM 1/8/2010, Mark L. Hammond wrote:
>I think part of the subject that confuses most of us (me included!) is
>that while at TCA the offset is 0, the RATE of change on either side
>of TCA is higher than at AOS or LOS. So, the actual frequency
>offset is BIGGEST at LOS and AOS, but the rate of change is slow (it
>doesnt' change much). It's easier to tune. At TCA you should hear
>the satellite at the "actual" frequency, but not for long because the
>change in frequency is fastest right before and right after...you tune
>like crazy to keep up.
>
>Maybe that will make sense to somebody...but I won't promise :)
>
>Also---don't forget---a 10kHz offset at 2M is 30kHz at 70cm (and one
>is increasing in freq while the other is decreasing...)
>
>Use SatPC32 and you just about forget about having to do anything, and
>watch it happen--good chance to see what is really going on.
>
>
>73,
>
>Mark N8MH
>
>On Fri, Jan 8, 2010 at 1:11 PM, Pete Rowe <ptrowe@xxxxx.xxx> wrote:
> > Hi Greg
> > I'm confused. It seems to me that the place when Doppler is zero
> is when the satellite is about half way through the pass. This is
> when the Doppler goes from positive (coming at me) to negative
> (going away from me). It seems like this place would be the time of
> closest approach (TCA) and not way out on the horizon when I see
> maximum Doppler.
> > What am I missing?
> >
> > 73,
> > Pete
> > WA6WOA
> >
> > --- On Thu, 1/7/10, Greg D. <ko6th_greg@xxxxxxx.xxx> wrote:
> >
> > From: Greg D. <ko6th_greg@xxxxxxx.xxx>
> > Subject: [amsat-bb] Re: probably simple
> > To: glasbrenner@xxxxxxxxxx.xxx
> > Cc: amsat-bb@xxxxx.xxx
> > Date: Thursday, January 7, 2010, 7:34 PM
> >
> >
> > Hi Drew,
> >
> > SatPC32 is probably an excellent program (I'm on Linux here, so
> can't use it), and if you've got the automation available, that's
> certainly the best way to go. And, by definition, the lower the
> elevation, the farther away the satellite is, so your DX contacts
> are going to be at the edges of the pass.
> >
> > But any pass where you are really stretching the footprint is
> going to be a low elevation pass. The more you stretch, the lower
> the pass. In the limit, I think Bob's ultimate pass has a peak at
> .001-degrees for both stations. If you're doing that, then you're
> at TCA, and zero doppler.
> >
> > That's all I meant to convey,
> >
> > Greg KO6TH
> >
> >
> >> Date: Thu, 7 Jan 2010 05:53:13 -0500
> >> From: glasbrenner@xxxxxxxxxx.xxx
> >> To: ko6th_greg@xxxxxxx.xxx
> >> CC: w7lrd@xxxxxxx.xxxx amsat-bb@xxxxx.xxx
> >> Subject: Re: [amsat-bb] Re: probably simple
> >>
> >> Greg D. wrote:
> >> > Hi Bob,
> >> >
> >> > Whatever the satellite, if you're trying to stretch the
> footprint, your sked is always going to be at the peak of
> elevation, for that fleeting moment when the satellite is a few
> degrees above the horizon. That means that you're always going to
> be at zero doppler shift, and the math will always be the
> same. Find yourself once at TCA on any pass, and lock them
> in. The numbers will be the same for your sked.
> >> >
> >> > Good luck,
> >> >
> >> > Greg KO6TH
> >> >
> >> >
> >> I wouldn't agree with that statement at all. Most of my long haul
> >> contacts on AO-7, FO-20 and 29, and now HO-68, are right after AOS or
> >> just before LOS, certainly not at TCA. Use my recent QSOs on HO-68 with
> >> Argentina as an example. Even when I work Europe on AO-7 it is at the
> >> beginning or end of a pass...not the middle.
> >>
> >> Bob, SatPC32 will show you the frequency with Doppler shift, and the
> >> Doppler shift. A little subtraction or addition and you have
> what you want.
> >>
> >> 73, Drew KO4MA
> >
>
>_______________________________________________
>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
73, Ed - KL7UW, WD2XSH/45
======================================
BP40IQ 500 KHz - 10-GHz www.kl7uw.com
500-KHz/CW, 144-MHz EME, 1296-MHz EME
DUBUS Magazine USA Rep dubususa@xxxxxxx.xxx
======================================
------------------------------
Message: 9
Date: Fri, 8 Jan 2010 19:58:19 +0100
From: "PE0SAT" <pe0sat@xxxxx.xx>
Subject: [amsat-bb] Re: RS Satellites update
To: amsat-bb@xxxxx.xxx
Message-ID: <20100108185819.B0E8B23087@xx.xxxxx.xx>
Content-Type: text/plain;charset=iso-8859-1
On Fri, January 8, 2010 19:32, Mike Rupprecht wrote:
> All,
Hi Mike,
Thanks for the information.
>
> I got some news from Alex, RW3DZ:
>
> RS-28 = UGATUSAT (Ufa) - failed due to malfunction of electronics
>
> RS-29 = STERKH - ID was reserved for this satellite but they used their
> own
> TRX rig and this number was omitted so far
>
> RS-30 = Yubileyny-1
>
> RS-31 to RS-37 were used for ORBCOMM satellites under contract from
> OHB-systems
>
> RS-38 = Tatyana-2 is working perfect and operate well under Kaluga control
>
> RS-39 = Chibis - is under construction since 2006 and may be in orbit in
> 2011
>
> RS-40 = Yubileyny-2 - will be in orbit this year
>
> next new RS satellites also in progress
>
>
>
> written by RW3DZ and edited by DK3WN
--
With regards PE0SAT
Internet web-page http://www.ham.vgnet.nl/
------------------------------
Message: 10
Date: Fri, 8 Jan 2010 20:20:50 +0100
From: "Mateusz" <sq7dqx@xxxxxx.xxxx.xx>
Subject: [amsat-bb] HO 68 today
To: <amsat-bb@xxxxx.xxx>
Message-ID: <043BFD0E44684FBB9D670DC067903ABA@xx>
Content-Type: text/plain; format=flowed; charset="iso-8859-2";
reply-type=original
08 Jan. 2010
HO-68 FM and Digital Transponder
22:35...Turn On
North Africa,Europe,North Pole,NA,North Asia,East
Asia,North Australia
23:20...Turn Off
It is a very good opportunity for me to make transcontinental FM contact.
With elevation abt. 2 degree I suspect good link with HO 68 to contact NA.
Matt
SQ7DQX
------------------------------
Message: 11
Date: Fri, 08 Jan 2010 14:29:34 -0500
From: "Rich Dailey (Gmail)" <redailey1@xxxxx.xxx>
Subject: [amsat-bb] Re: 471A Service manual - looking again
To: "STeve Andre'" <andres@xxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <7.0.0.16.2.20100108142730.05545028@xxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
That thought has crossed my mind (that one never existsed)- I heard or read
somewhere that there was once a service
manual that covered both the 271 and 471, but I've never seen it. Will keep
looking though. Thanks!
Rich, N8UX
>Rich, I'm hoping this is wrong, but I was talking with another ham who
>had lots of Icom stuff and he said that there never was a service
>manual for the 471--something about Icom running out of time, etc, and
>that the 271 would be a general guide to the 471.
------------------------------
Message: 12
Date: Fri, 08 Jan 2010 14:39:52 -0500
From: Peter <roi@xxxxxxxxx.xxx>
Subject: [amsat-bb] HAM RADIO UNIVERSITY
To: AMSAT-BB@xxxxx.xxx
Message-ID: <003001ca909a$6f02d3a0$6901a8c0@xxxxx>
Content-Type: text/plain; charset=Windows-1252
Good Satellite Afternoon,
I will be making a satellite presentation and demonstration on Sunday,
January 10th in NY; taking part in Ham Radio University 2010,
www.hamradiouniversity.org ,sponsored by the Great South Bay ARC.
I will be working the SO-50 pass at 15:09 UTC and the AO-27 pass at 18:50
UTC. on
Sunday, 1/10. I will be using the HRU call W2V from FN30, the crowd will
be warm, I'm sure, the weather cold. I look forward to a few exchanges,
thank you.
73,
Pete, WB2OQQ
------------------------------
_______________________________________________
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
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