[amsat-bb] Re: AO-27 recovery operations underway

[Rich/wa4bue]

Thank you for the updates on AO 27, I would appreciate more information on 
how it worked and frequency range.


Looks like it would be another great tool in the classroom teachings by the 
K4AMG club.


So if either N8HM, N3UC, or N5TRR could fill in the blanks it would be 
great.


God Bless

Rich
W4BUE
- Original Message - 
From: "Paul Stoetzer" 

To: 
Sent: Friday, November 01, 2013 3:09 PM
Subject: [amsat-bb] AO-27 recovery operations underway



From the website (http://www.ao27.org/AO27/)

Oct 29th, 2013
Recovery operations are underway again for AO-27. We will try to keep the
website up to date with any infomation.
- Michael, N3UC

We could definitely use another FM bird, so let's hope they are able to 
get

it going again. Maybe I'm a good luck charm - I just sent a QSL card to
N5TRR for my last QSO on AO-27, just minutes before it failed last year,
stating "Last operational orbit of AO-27" in the comment field. I'd be
happy to be wrong about that!

73,

Paul, N8HM


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[amsat-bb] Re: AO-27 recovery operations underway

[PE0SAT | Amateur Radio]

With this information,

I thought, lets update the TLE data for AO-27.
But when I queried the space-track database I got another name for
norad-id 22825 ?

0 KITSAT B
1 22825U 93061C   13304.75582515  .0229  0-0  10682-3 0  5154
2 22825 098.6342 247.4246 0007462 243.1674 177.4743 14.29604597 48145

Strange, in amateur.txt via Celestrak it says

EYESAT-1 (AO-27
1 22825U 93061C   13304.75582515  .0229  0-0  10682-3 0  5154
2 22825  98.6342 247.4246 0007462 243.1674 177.4743 14.29604597 48145

Seems a glitch in the space-track database 

73 Jan PE0SAT

On 01-11-2013 20:09, Paul Stoetzer wrote:

From the website (http://www.ao27.org/AO27/)

Oct 29th, 2013
Recovery operations are underway again for AO-27. We will try to keep 
the

website up to date with any infomation.
- Michael, N3UC

We could definitely use another FM bird, so let's hope they are able 
to get
it going again. Maybe I'm a good luck charm - I just sent a QSL card 
to
N5TRR for my last QSO on AO-27, just minutes before it failed last 
year,

stating "Last operational orbit of AO-27" in the comment field. I'd be
happy to be wrong about that!

73,

Paul, N8HM
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--
With regards PE0SAT
Internet web-page http://www.pe0sat.vgnet.nl/
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[amsat-bb] Re: AO-27

[Peter Portanova]

Hello Frank,

Welcome to the exciting world of Amateur Satellites, this BB is an excellent 
source for exchanging satellite ideas, setting up schedules for satellite 
contacts and making friends!  AO-27 is currently not operational, the team is 
having problems with it's bootloader program, it keeps crashing, you can visit, 
http://www.ao27.org/AO27/, to see any progress with the satellite, you can also 
view  all activity with satellites, http://oscar.dcarr.org/, with this site, 
have fun.

73 Pete
WB2OQQ

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[amsat-bb] Re: AO-27 reportedly heard this afternoon in California

[Dave Webb KB1PVH]

It was pointed out to me that SO-50 was over Antarctica at the time.

  I listened yesterday afternoon to an Eastern pass and didn't hear
anything.

Dave-KB1PVH

Sent from my Verizon Wireless Droid RAZR
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[amsat-bb] Re: AO-27 reportedly heard this afternoon in California

[Paul Stoetzer]

SO-50 was over the South Atlantic at the time.

Paul, N8HM

On 11/27/2012 7:19 PM, w4upd wrote:
I have my rig turned on all the time to the AO-27/SO-50 downlink and 
alI have heard so far is SO-50. Remember that SO-50 shares its pass at 
times with AO-27 and can be heard at about the same time.


Reid, W4UPD


On 11/27/2012 6:45 PM, Paul Stoetzer wrote:
K6CMG reported on the HAM-SATs reflector that he heard people talking 
on AO-27 during a west coast pass around 2130Z today. I checked and 
AO-27 was the only amateur satellite over his location at the time. 
Has it been reactivated? There has been no update on the AO-27 
website since October 21st.


73,

Paul Stoetzer, N8HM
Washington, DC
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[amsat-bb] Re: AO-27 reportedly heard this afternoon in California

[w4upd]

I have my rig turned on all the time to the AO-27/SO-50 downlink and alI 
have heard so far is SO-50. Remember that SO-50 shares its pass at times 
with AO-27 and can be heard at about the same time.


Reid, W4UPD


On 11/27/2012 6:45 PM, Paul Stoetzer wrote:
K6CMG reported on the HAM-SATs reflector that he heard people talking 
on AO-27 during a west coast pass around 2130Z today. I checked and 
AO-27 was the only amateur satellite over his location at the time. 
Has it been reactivated? There has been no update on the AO-27 website 
since October 21st.


73,

Paul Stoetzer, N8HM
Washington, DC
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[amsat-bb] Re: AO-27 possible failure

[Robert McGwier]

AO-27 computer has crashed.  At the VT ground station (with KJ4QLP
operating) we have seen MBL (microbootloader) control interaction
between the spacecraft and the ground (MBLCTL packets).   This means
the command station(s) are interacting with a crashed spacecraft
computer.

I do not have ANY inside information.  I am reporting only on what I
can see with my own packet decoder

Bob
N4HY


On Sat, Oct 6, 2012 at 5:27 PM, Raydel Abreu Espinet (CM2ESP)
 wrote:
> On pass of Oct. 6th at 19:45Z didn't receive any signal. This is so sad!!!
> Hope it can be fixed soon. All the best wishes and luck to the command and
> control team.
>
> Raydel, CM2ESP
> EL83sc
>
> - Original Message - From: "John Papay" 
> To: 
> Sent: Friday, October 05, 2012 4:38 PM
>
> Subject: [amsat-bb] AO-27 possible failure
>
>
>> AO-27 sent data after the repeater mode expired on
>> the 1835utc pass, 5 October.  50 seconds into the data,
>> the "mark/space" toggling stopped and a "mark" only tone
>> was heard.  That tone was heard for 4-1/2 minutes until
>> the signal was lost when the bird went over the horizon.
>> A recording of the entire pass is on my website:
>> http://www.papays.com/sat/general.html
>>
>> AO-27 was not heard in EN91 on the scheduled 2015utc pass.
>> I think my receiver is working fine but maybe it wasn't.
>> Let's hope it can be recovered. An email was sent to N3UC
>> and a message was left on his home phone.
>>
>> Any reports from other locations?
>> 73,
>> John K8YSE
>>
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>
>
> Este mensaje ha sido enviado mediante el servicio de correo electronico que
> ofrece la Federacion de Radioaficionados de Cuba a sus miembros para
> respaldar el cumplimiento de los objetivos de la organizacion y su politica
> informativa. La persona que envia este correo asume el compromiso de usar el
> servicio a tales fines y cumplir con las regulaciones establecidas.
>
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-- 
Bob McGwier
Owner and Technical Director, Allied Communication, LLC
Facebook: N4HYBob
ARS: N4HY
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[amsat-bb] Re: AO-27 possible failure

[Raydel Abreu Espinet (CM2ESP)]

On pass of Oct. 6th at 19:45Z didn't receive any signal. This is so sad!!!
Hope it can be fixed soon. All the best wishes and luck to the command and 
control team.


Raydel, CM2ESP
EL83sc

- Original Message - 
From: "John Papay" 

To: 
Sent: Friday, October 05, 2012 4:38 PM
Subject: [amsat-bb] AO-27 possible failure



AO-27 sent data after the repeater mode expired on
the 1835utc pass, 5 October.  50 seconds into the data,
the "mark/space" toggling stopped and a "mark" only tone
was heard.  That tone was heard for 4-1/2 minutes until
the signal was lost when the bird went over the horizon.
A recording of the entire pass is on my website:
http://www.papays.com/sat/general.html

AO-27 was not heard in EN91 on the scheduled 2015utc pass.
I think my receiver is working fine but maybe it wasn't.
Let's hope it can be recovered. An email was sent to N3UC
and a message was left on his home phone.

Any reports from other locations?
73,
John K8YSE

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Este mensaje ha sido enviado mediante el servicio de correo electronico que 
ofrece la Federacion de Radioaficionados de Cuba a sus miembros para respaldar 
el cumplimiento de los objetivos de la organizacion y su politica informativa. 
La persona que envia este correo asume el compromiso de usar el servicio a 
tales fines y cumplir con las regulaciones establecidas.
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[amsat-bb] Re: AO-27 possible failure

[Roberto]

Hello all,on web site ao27 report off line :
Oct 5, 2012
It seems AO-27 is off-line.
- Michael, N3UC


http://www.ao27.org/AO27/index.shtml


73 de iw5bsf Roberto


- Original Message - 
From: "Ib Christoffersen" 

To: "'John Papay'" ; 
Sent: Saturday, October 06, 2012 12:05 PM
Subject: [amsat-bb] Re: AO-27 possible failure


Hi John and all,
Nothing heard on a pass with AOS here in Copenhagen at 0947 UTC.
73 OZ1MY/Ib

-Oprindelig meddelelse-
Fra: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] På vegne
af John Papay
Sendt: 05 October 2012 22:38
Til: amsat-bb@amsat.org
Emne: [amsat-bb] AO-27 possible failure

AO-27 sent data after the repeater mode expired on
the 1835utc pass, 5 October.  50 seconds into the data,
the "mark/space" toggling stopped and a "mark" only tone
was heard.  That tone was heard for 4-1/2 minutes until
the signal was lost when the bird went over the horizon.
A recording of the entire pass is on my website:
http://www.papays.com/sat/general.html

AO-27 was not heard in EN91 on the scheduled 2015utc pass.
I think my receiver is working fine but maybe it wasn't.
Let's hope it can be recovered. An email was sent to N3UC
and a message was left on his home phone.

Any reports from other locations?
73,
John K8YSE

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[amsat-bb] Re: AO-27 possible failure

[Ib Christoffersen]

Hi John and all,
Nothing heard on a pass with AOS here in Copenhagen at 0947 UTC.
73 OZ1MY/Ib

-Oprindelig meddelelse-
Fra: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] På vegne
af John Papay
Sendt: 05 October 2012 22:38
Til: amsat-bb@amsat.org
Emne: [amsat-bb] AO-27 possible failure

AO-27 sent data after the repeater mode expired on
the 1835utc pass, 5 October.  50 seconds into the data,
the "mark/space" toggling stopped and a "mark" only tone
was heard.  That tone was heard for 4-1/2 minutes until
the signal was lost when the bird went over the horizon.
A recording of the entire pass is on my website:
http://www.papays.com/sat/general.html

AO-27 was not heard in EN91 on the scheduled 2015utc pass.
I think my receiver is working fine but maybe it wasn't.
Let's hope it can be recovered. An email was sent to N3UC
and a message was left on his home phone.

Any reports from other locations?
73,
John K8YSE

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[amsat-bb] Re: AO-27 possible failure

[Ted]

John, it's coming to me (on the west side) in 30 min. I'll listen up.

Ted
K7TRK

p.s. WEST COAST STATIONS LISTEN UP AND REPORT TO JOHN !!

-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of John Papay
Sent: Friday, October 05, 2012 1:38 PM
To: amsat-bb@amsat.org
Subject: [amsat-bb] AO-27 possible failure

AO-27 sent data after the repeater mode expired on
the 1835utc pass, 5 October.  50 seconds into the data,
the "mark/space" toggling stopped and a "mark" only tone
was heard.  That tone was heard for 4-1/2 minutes until
the signal was lost when the bird went over the horizon.
A recording of the entire pass is on my website:
http://www.papays.com/sat/general.html

AO-27 was not heard in EN91 on the scheduled 2015utc pass.
I think my receiver is working fine but maybe it wasn't.
Let's hope it can be recovered. An email was sent to N3UC
and a message was left on his home phone.

Any reports from other locations?
73,
John K8YSE

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[amsat-bb] Re: AO-27

[George Henry]

Were you using the AO-27 website schedule, or the Java schedule lister to 
determine the "on" time?  It appears that the website is off (late) by about 
20 minutes again...


George, KA3HSW


- Original Message - 
From: "Allen F. Mattis" 

To: 
Sent: Thursday, September 27, 2012 6:27 PM
Subject: [amsat-bb] AO-27


I did not hear AO-27 on the 2030 utc  27-Sept-2012 pass over North America. 
Can anyone else confirm AO-27 is not working or did I have an "operator 
error?"


Allen N5AFV

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[amsat-bb] Re: AO-27 Pass 2023 UTC

[Rick Tejera]

Seems to me you are the better op. Sounds like you were doing everything right. 
It was the other station who needs a refresher on unidentified transmissions. 
Lady I heard they were illegal. 

Fortunately, the elmers far out number the jerks. 

Enjoy the birds. It's a great part if the hobby.

73

Sent from my iPod
Rick Tejera
Editor, SACnews
Saguaro Astronomy Club
www.saguaroastro.org
K7TEJ

On Jul 6, 2012, at 17:23, Stefan Wagener  wrote:

> Hi Joe,
> 
> You just keep it up! If you hear yourself on the Sat you are doing fine. I
> would even go a step further and say play with the Sat. Reduce your power
> and see what happens. Change your doppler settings and see how your signal
> drifts. Learn as much as possible and most of all have fun and yes if you
> have questions, just ship me an email. Been around for while. If somebody
> has a concern or problem and they don't have the simple courtesy to contact
> you in person via email or phone call, just plainly ignore it. You are a
> licensed ham radio operator and you should be proud of discovering new
> aspects of the hobby. Keep it up!
> 
> 73, Stefan VE4NSA
> 
> 
> 
> On Fri, Jul 6, 2012 at 4:07 PM, Joe Batty  wrote:
> 
>> Hi Guy's,
>> 
>> I think I was the only station from CN85 working this particular pass. I
>> didn't hear any other station from CN85. I'm kind of taken back when some
>> unidentified station identified "the CN85" station as always having
>> problems and he doesn't know what he's doing or having problems with. You
>> know what, maybe your are right.
>> 
>> But then I could hear the sat very well, I could hear my station identify
>> myself, and I did very much not try to step on any one already in
>> communication that had control of the sat and waited my turn until it
>> cleared.
>> 
>> I would have very much preferred to have an email or a call from someone
>> offering to help a station that's relatively new to sats and act as an
>> elmer rather than cast the aspersions as I heard. I am new to sats and I'll
>> not apologize for that. I do have not have a lot of experience with the
>> Icom 910 but I've tried to assemble a reasonable satellite station. More
>> help would be appreciated than criticized over the air.
>> 
>> 73  Joe KT7E CN85
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[amsat-bb] Re: AO-27 Pass 2023 UTC

[Stefan Wagener]

Hi Joe,

You just keep it up! If you hear yourself on the Sat you are doing fine. I
would even go a step further and say play with the Sat. Reduce your power
and see what happens. Change your doppler settings and see how your signal
drifts. Learn as much as possible and most of all have fun and yes if you
have questions, just ship me an email. Been around for while. If somebody
has a concern or problem and they don't have the simple courtesy to contact
you in person via email or phone call, just plainly ignore it. You are a
licensed ham radio operator and you should be proud of discovering new
aspects of the hobby. Keep it up!

73, Stefan VE4NSA



On Fri, Jul 6, 2012 at 4:07 PM, Joe Batty  wrote:

> Hi Guy's,
>
> I think I was the only station from CN85 working this particular pass. I
> didn't hear any other station from CN85. I'm kind of taken back when some
> unidentified station identified "the CN85" station as always having
> problems and he doesn't know what he's doing or having problems with. You
> know what, maybe your are right.
>
> But then I could hear the sat very well, I could hear my station identify
> myself, and I did very much not try to step on any one already in
> communication that had control of the sat and waited my turn until it
> cleared.
>
> I would have very much preferred to have an email or a call from someone
> offering to help a station that's relatively new to sats and act as an
> elmer rather than cast the aspersions as I heard. I am new to sats and I'll
> not apologize for that. I do have not have a lot of experience with the
> Icom 910 but I've tried to assemble a reasonable satellite station. More
> help would be appreciated than criticized over the air.
>
> 73  Joe KT7E CN85
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[amsat-bb] Re: AO-27 Pass 2023 UTC

[Robert Coppock]

hi Joe,   they were probably jealous of your great call sign.  thanks for 
learning me a new word, aspersions. hihi.   maybe you could describe your 
station setup and all the journeymen/journeywomen on here (not me) can give 
some suggestions and help. keep on rockin' on the sats, and have fun.  amsat 
and satellites are a blast. from just down the road in cn81,Robert   k f zero g 
 
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[amsat-bb] Re: AO-27 at 2122 UTC

[Bryan Herbert]

Thanks everyone, it was indeed N0JE. Gerry even emailed me himself and 
confirmed it.


Theres another AO-27 pass in 20 minutes, hope to hear you all then.

73 for now

--
Bryan Herbert - KE6ZGP
Newhall, CA. DM04RJ USA
http://bryanherbert.com
http://twitter.com/ke6zgp

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[amsat-bb] Re: AO-27 at 2122 UTC

[Rick - WA4NVM]

Hi Bryan,

As Dave, KB1PVH replied, it was N0JE in DN86 you worked.  I listened
to my recording and you worked him at 2122z today.

73,

Rick WA4NVM

My phone rebooted during the pass so I lost the audio recording. I'm 
pretty sure the station I QSOed with was N0JA but I cant recall the grid 
square (DN?)


If anyone has audio they can send or if the operator I QSOed with could 
contact me it would be greatly appreciated.


--
Bryan Herbert - KE6ZGP
Newhall, CA. DM04RJ USA
http://bryanherbert.com
http://twitter.com/ke6zgp

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[amsat-bb] Re: AO-27 at 2122 UTC

[Dave Webb KB1PVH]

It probably was N0JE in DN86

Dave - KB1PVH

Sent from my Verizon Wireless DROID X
On Jan 22, 2012 4:50 PM, "Bryan Herbert"  wrote:
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[amsat-bb] Re: AO-27 pass 10 Jan 1840z

[Bill Acito W1PA]

...and to Bob, the pass was well-handled on your end, btw
(on _both_ ends of the Q's, actually). A credit to everyone; I was expecting 
total chaos.


Patiently waiting as the "big" stations get their grid/entity, hopefully we 
"handhelds"

will get the Q.

I made a lot of Q's after you left my foot-print on that pass. :-)

Does your schedule allow you to work the earlier passes as well (e.g. the 
16:55 - 1710

pass today, along the east coast)

Bill  W1PA (FT-530 and Arrow)

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[amsat-bb] Re: AO-27 status

[George Henry]

I have renamed the files with only the first letter capitalized to fix the 
case-sensitive OS issue.


I have also e-mailed Michael Wyrick to double-check the new Topr.txt file, 
as it shows the analog transponder only on for four minutes, and it 
definitely seemed to be on for the usual 7 minutes when I listened to a pass 
yesterday.  I think it's a typo...


George, KA3HSW

- Original Message - 
From: "Greg D." 

To: 
Sent: Monday, December 05, 2011 12:29 AM
Subject: [amsat-bb] Re: AO-27 status




Exactly, an O/S thing.  Windows (and its predecessor DOS) are case 
insensitive for file names.  Linux (which I run) is case sensitive - 
EOPC.txt and Epoc.txt are two entirely different names - and the program 
had an awful time with the apparently missing file.  I don't know what 
would happen on a Mac, but if you have trouble, that's one place to look.


Greg  KO6TH



Date: Sun, 4 Dec 2011 09:52:26 -0600
From: n...@lavabit.com
To: amsat-bb@amsat.org
Subject: [amsat-bb] Re: AO-27 status

Interesting.  I installed the program last night, and then downloaded
and copied the epoch and topr files into that directory.  Epoch is
indeed all caps on the download, but the file in my directory from the
install had just the capital e.  Upon copying and choosing the replace
option in Vista, the capital e is retained with the rest lower case, and
the file works fine.  I guess that is an operating system thing, then?

73,
Jerry
N0JY



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[amsat-bb] Re: AO-27 status

[Greg D.]

Exactly, an O/S thing.  Windows (and its predecessor DOS) are case insensitive 
for file names.  Linux (which I run) is case sensitive - EOPC.txt and Epoc.txt 
are two entirely different names - and the program had an awful time with the 
apparently missing file.  I don't know what would happen on a Mac, but if you 
have trouble, that's one place to look.

Greg  KO6TH


> Date: Sun, 4 Dec 2011 09:52:26 -0600
> From: n...@lavabit.com
> To: amsat-bb@amsat.org
> Subject: [amsat-bb] Re: AO-27 status
> 
> Interesting.  I installed the program last night, and then downloaded 
> and copied the epoch and topr files into that directory.  Epoch is 
> indeed all caps on the download, but the file in my directory from the 
> install had just the capital e.  Upon copying and choosing the replace 
> option in Vista, the capital e is retained with the rest lower case, and 
> the file works fine.  I guess that is an operating system thing, then?
> 
> 73,
> Jerry
> N0JY
> 
> On 12/4/2011 12:52 AM, Greg D. wrote:
> > Thanks for the update, George.
> >
> > One note...  The Epoch.txt file is named in all upper case on the website, 
> > while the program expects it to have only an initial capital "E".  Some 
> > systems (e.g. Linux) are sensitive to this, and can't find the file.
> >
> > A simple rename, and all is well.
> >
> > Greg  KO6TH
> >
> >
> 
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[amsat-bb] Re: AO-27 status

[N0JY]

Interesting.  I installed the program last night, and then downloaded 
and copied the epoch and topr files into that directory.  Epoch is 
indeed all caps on the download, but the file in my directory from the 
install had just the capital e.  Upon copying and choosing the replace 
option in Vista, the capital e is retained with the rest lower case, and 
the file works fine.  I guess that is an operating system thing, then?


73,
Jerry
N0JY

On 12/4/2011 12:52 AM, Greg D. wrote:

Thanks for the update, George.

One note...  The Epoch.txt file is named in all upper case on the website, while the 
program expects it to have only an initial capital "E".  Some systems (e.g. 
Linux) are sensitive to this, and can't find the file.

A simple rename, and all is well.

Greg  KO6TH




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[amsat-bb] Re: AO-27 status

[Greg D.]

Thanks for the update, George.

One note...  The Epoch.txt file is named in all upper case on the website, 
while the program expects it to have only an initial capital "E".  Some systems 
(e.g. Linux) are sensitive to this, and can't find the file.

A simple rename, and all is well.

Greg  KO6TH


> From: ka3...@att.net
> To: amsat-bb@amsat.org
> Date: Sat, 3 Dec 2011 18:41:17 -0600
> Subject: [amsat-bb] AO-27 status
> 
> Today I received the latest TOPR and EPOCH files for AO-27 from Mike Wyrick, 
> NU3C, and have uploaded them to the AO-27 Satellite Scheduler website so 
> that users of the Java scheduler program can update their files.  Simply 
> download them to the same folder that the Scheduler resides in.  DO NOT use 
> the "Update Data" option from within the program, as it will try to connect 
> to the AO-27 website, which is still down.  (They are working to get it back 
> online.)
> 
> 
> 
> George, KA3HSW
> 
> http://sites.google.com/site/ao27satellitescheduler/ 
> 
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[amsat-bb] Re: AO-27 questions -- so why the silence.

[Andrew Glasbrenner]

Hi Tom,

Just for the record, AO-27 is not an AMSAT bird, and AMSAT has no input or 
inside track into what goes on with the satellite. I know who the command 
stations are, but as long as the birds running, there really isn't IMO much 
reason to bug them.

>From my observations and experience, you really don't need a scheduler to work 
>AO-27. It's neat, but superfluous. Right now the satellite is turning on a 
>little further south than normal, somewhere around 25 degrees latitude. This 
>drifts just a tad earlier/further south each day, until one of the command 
>stations resets it. So, if you listen to a pass, note when and where it turns 
>on, and now you know where and when to look tomorrow and even next week.

Keeping a satellite running is a lot of work, and I can only imagine it's 
tedious after 18 years. Webpages and widgets come second after that.

73, Drew KO4MA


-Original Message-
>From: Tom Schuessler 
>Sent: Nov 18, 2011 8:48 AM
>To: amsat-bb@amsat.org
>Subject: [amsat-bb] AO-27 questions -- so why the silence.
>
>Several weeks ago I posted a question about the status of the AO-27 web site
>and the TOPR scheduling for that satellite.  Recently Clint Bradford K6LCS
>posed a similar question and got really no relevant response.  Can someone
>from AMSAT (or AMRAD) leadership give some insight into the state of that
>program and whether the turn on schedule is still running on times predicted
>via the AO-27 Scheduler program which cannot receive updates because of the
>lack of the ao27.org site.
>
>Please, no crickets chirping.  Be nice to have an explanation or guidance.
>
>Thanks, 73 and see you on the birds.
>
>Tom Schuessler N5HYP
>
>
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[amsat-bb] Re: AO-27 Status

[Simon HB9DRV]

The latest Keps I am aware of are those on Celestrak.

Simon Brown, HB9DRV
http://sdr-radio.com

"Ten little fingers, Ten tiny toes, The sweetest of smiles And a cute little
nose."


-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Clint Bradford
Sent: 14 November 2011 23:39
To: AMSAT BB
Subject: [amsat-bb] AO-27 Status

What set of Keplerian data is the most reliable for AO-27?

And it seems that the West Coast US south-to-north passes are still up and
running ... But is there any "better" info available - with the 
http://www.ao27.org/AO27/index.shtml site down?


Clint Bradford, K6LCS



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[amsat-bb] Re: AO-27/SO-50

[George Henry]

AO-27 was up as of yesterday...  see http://www.papays.com/sat/general.html for 
recordings of 2 passes.

The website has been down for about 2 months, but the satellite itself is still 
operational.


George, KA3HSW



- Original Message 
> From: Richard Grabotin 
> To: David Palmer KB5WIA 
> Cc: "amsat-bb@amsat.org" 
> Sent: Mon, October 24, 2011 11:14:20 PM
> Subject: [amsat-bb] Re: AO-27/SO-50
> 
> Thank you everyone for your help. I had my first successful contact on SO-50. 
> 
> AO-27 appears to be on hiatus, since the website is also down. 
> 
> My next endeavor is learning the linear transponder birds. I have been  
> trying 
>to receive AO-7. I never heard a beacon on either mode A or B. (Daytime  pass) 
>I 
>tuned around the downlink and I might have heard some very faint  stations. I 
>guess I need bigger antennas? Perhaps some phasing cables will help.  (it's in 
>the mail)
> 
> Thank you KB5WIA for the contact this evening. 
> 
> 
> Richard 
> K7LWV
> 
> 
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[amsat-bb] Re: AO-27/SO-50

[Richard Grabotin]

Thank you everyone for your help. I had my first successful contact on SO-50. 

AO-27 appears to be on hiatus, since the website is also down. 

My next endeavor is learning the linear transponder birds. I have been trying 
to receive AO-7. I never heard a beacon on either mode A or B. (Daytime pass) I 
tuned around the downlink and I might have heard some very faint stations. I 
guess I need bigger antennas? Perhaps some phasing cables will help. (it's in 
the mail)

Thank you KB5WIA for the contact this evening. 


Richard 
K7LWV


On Oct 24, 2011, at 6:31 AM, David Palmer KB5WIA  wrote:

> Hi Richard,
> 
>> . I am using a yeasu g-5500 rotator with the AMSAT controller and ham radio 
>> deluxe. Kenwood ts-2000 for the rig and a 8 element 440 and a 4 element 2 
>> meter antenna. The antennas are currently linear polarized since my phasing 
>> cables still have not arrived from the manufacturer.
> 
> Good setup!
> 
>> 
>> My questions are, is AO-27 difficult to work? Is it on a schedule? Any ideas 
>> why I could not raise or hear it?
> 
> Yes, it's on a schedule -- check the status page on www.amsat.org to
> see when it comes on and off. It comes on at mid-latitudes by a timer,
> so for an overhead pass in your area you *should* have heard it 
> other things to check would be that the keps are current, and that
> there weren't any glitches during that particular pass (ie. maybe
> radios briefly stopped tuning).  Try again, it's a nice loud sat.
> 
>> 
>> As for SO-50: Should I be listening 5khz down? Ham radio deluxe is 
>> controlling the radio frequencies and I made a custom entry for 5khz down 
>> and corrected for Doppler. This still did not seem to help.
> 
> I've found SO-50 about 5kHz-8kHz down, so listen down a little.
> Remember the tone on the uplink too.  Also, I've seen quite a few
> posts that the TS-2000 has a birdie right at the high end of SO-50's
> downlink, so you may have a better chance hearing it later in the pass
> as doppler moves the downlink away from the birdie.
> 
>> 
>> 
>> Richard
>> K7LWV
> 
> Good luck on the sats
> 
> 73 de Dave KB5WIA

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[amsat-bb] Re: AO-27/SO-50

[George Henry]

Since the AO-27 website is down at this time, your best bet for tracking the 
operating schedule is the Java AO-27 schedule lister that my son wrote for me.  
You can download it at .  
Make sure you download the current data files (EPOCH.TXT and TOPR.TXT) from the 
site also, and drop them into whatever folder you unzip the scheduler files to 
(replace the files included in the ZIP).  It's always accurate to within 2 
minutes of the actual operating schedule (due to drift in the satellite's 
clock).



George, KA3HSW




- Original Message 
> From: Richard Grabotin 
> To: "amsat-bb@amsat.org" 
> Sent: Sun, October 23, 2011 11:37:50 PM
> Subject: [amsat-bb] AO-27/SO-50
> 
> I am new to satellites as of this weekend. I have worked AO-51 three times 
> with  
>much success. SO-50 I can hear off and on, but I am having trouble raising it. 
> 
>As for AO-27, I had a nice daytime direct overhead pass and heard nothing. I 
>am  
>using a yeasu g-5500 rotator with the AMSAT controller and ham radio deluxe.  
>Kenwood ts-2000 for the rig and a 8 element 440 and a 4 element 2 meter 
>antenna.  
>The antennas are currently linear polarized since my phasing cables still have 
> 
>not arrived from the manufacturer.  
>
> 
> My questions are, is AO-27  difficult to work? Is it on a schedule? Any ideas 
>why I could not raise or hear  it?
> 
> As for SO-50: Should I be listening 5khz down? Ham radio deluxe is  
> controlling 
>the radio frequencies and I made a custom entry for 5khz down and  corrected 
>for 
>Doppler. This still did not seem to help. 
>
> 
> 
> Richard
> K7LWV
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[amsat-bb] Re: AO-27/SO-50

[Dominic Hawken]

On the subject of mast-mounted preamps, is there a good second-hand 
recommendation? I've seen some very expensive new ones and looked at 
building from scratch - just wondering if there's anything old but good 
on the market that I should be keeping an eye out for?


Thanks,

Dominic G6NQO.

On 24/10/2011 15:00, Mark L. Hammond wrote:

Good points from Steve (and other).

***Don't forget the DREADFUL TS-2000 birdie on the AO-27 and SO-50
downlinks.   :(  It is the only thing I hate about the radio

With a good mast-mounted preamp (didn't see you note any??) and some
frequency adjusting (up/down to minimize the birdie's effect), and
even try FM-N on receive---you can make some contacts.  But it's
annoying as all get out.   And it makes it tough.  Did I say that I
HATE that birdie?  ;)

Basically, I flame up the old TS-790A when I want to work these
two---and that's a real shame on the TS-2000.

You might give SatPC32 a shot--it lets you juggle back and forth for
both SO-50 tones (one to key it up, another to work through it).  It
makes it just a mouse click or two...quite nice.

73,

Mark N8MH

On Mon, Oct 24, 2011 at 9:36 AM, Stephen  E. Belter  wrote:

Richard,

You probably didn't hear AO-27 because it was off on the passes you tried to 
work.  Was the satellite over Canada or was it moving from north to south?

AO-27 isn't difficult to work, except that it is *very* popular (can be hard to 
get a word in edgewise) and is on a timer.  In general, AO-27 is operational 
over the United States for a period of seven minutes in the afternoon passes 
when the satellite is traveling from south to north.

Before transmitting, make sure you can hear the satellite.  If you don't hear 
it, it isn't turned on.  When AO-27 is on and passing over the middle of the 
US, it will sound like a DX pile-up.  Since you are in Oregon, your least 
crowded passes will be when AO-27 is off the west coast over the Pacific Ocean. 
 (I've had relaxed conversations on AO-27 from Indiana when it is over the 
Atlantic Ocean.)

The design/assigned frequency for SO-50 is 436.800, but I've been finding it 
between 436.791 to 436.794 (before Doppler correction).  SO-50 also requires 
that you transmit a 67 Hz subaudible (CTSS or PL) tone.  The SO-50 transmitter 
is on a ten minute timer that is reset by sending a 74 Hz tone, but don't worry 
about it until you become familiar with the satellite.  Let other stations 
worry about resetting the timer.

Clint Bradford, K6LCS, has some great information for hams just getting started 
on satellites.  You can find it at www.work-sat.org .

73, Steve N9IP
--
Steve Belter, Indiana Dataline Corp
427 N 6th Street, Suite C
Lafayette, IN 47901-2211
Tel: (765) 269-8521
www.indiana-dataline.net


-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf 
Of Richard Grabotin
Sent: Monday, October 24, 2011 12:38 AM
To: amsat-bb@amsat.org
Subject: [amsat-bb] AO-27/SO-50

I am new to satellites as of this weekend. I have worked AO-51 three times with 
much success. SO-50 I can hear off and on, but I am having trouble raising it. 
As for AO-27, I had a nice daytime direct overhead pass and heard nothing. I am 
using a yeasu g-5500 rotator with the AMSAT controller and ham radio deluxe. 
Kenwood ts-2000 for the rig and a 8 element 440 and a 4 element 2 meter 
antenna. The antennas are currently linear polarized since my phasing cables 
still have not arrived from the manufacturer.

My questions are, is AO-27 difficult to work? Is it on a schedule? Any ideas 
why I could not raise or hear it?

As for SO-50: Should I be listening 5khz down? Ham radio deluxe is controlling 
the radio frequencies and I made a custom entry for 5khz down and corrected for 
Doppler. This still did not seem to help.


Richard
K7LWV


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[amsat-bb] Re: AO-27/SO-50

[Mark L. Hammond]

Good points from Steve (and other).

***Don't forget the DREADFUL TS-2000 birdie on the AO-27 and SO-50
downlinks.   :(  It is the only thing I hate about the radio

With a good mast-mounted preamp (didn't see you note any??) and some
frequency adjusting (up/down to minimize the birdie's effect), and
even try FM-N on receive---you can make some contacts.  But it's
annoying as all get out.   And it makes it tough.  Did I say that I
HATE that birdie?  ;)

Basically, I flame up the old TS-790A when I want to work these
two---and that's a real shame on the TS-2000.

You might give SatPC32 a shot--it lets you juggle back and forth for
both SO-50 tones (one to key it up, another to work through it).  It
makes it just a mouse click or two...quite nice.

73,

Mark N8MH

On Mon, Oct 24, 2011 at 9:36 AM, Stephen  E. Belter  wrote:
> Richard,
>
> You probably didn't hear AO-27 because it was off on the passes you tried to 
> work.  Was the satellite over Canada or was it moving from north to south?
>
> AO-27 isn't difficult to work, except that it is *very* popular (can be hard 
> to get a word in edgewise) and is on a timer.  In general, AO-27 is 
> operational over the United States for a period of seven minutes in the 
> afternoon passes when the satellite is traveling from south to north.
>
> Before transmitting, make sure you can hear the satellite.  If you don't hear 
> it, it isn't turned on.  When AO-27 is on and passing over the middle of the 
> US, it will sound like a DX pile-up.  Since you are in Oregon, your least 
> crowded passes will be when AO-27 is off the west coast over the Pacific 
> Ocean.  (I've had relaxed conversations on AO-27 from Indiana when it is over 
> the Atlantic Ocean.)
>
> The design/assigned frequency for SO-50 is 436.800, but I've been finding it 
> between 436.791 to 436.794 (before Doppler correction).  SO-50 also requires 
> that you transmit a 67 Hz subaudible (CTSS or PL) tone.  The SO-50 
> transmitter is on a ten minute timer that is reset by sending a 74 Hz tone, 
> but don't worry about it until you become familiar with the satellite.  Let 
> other stations worry about resetting the timer.
>
> Clint Bradford, K6LCS, has some great information for hams just getting 
> started on satellites.  You can find it at www.work-sat.org .
>
> 73, Steve N9IP
> --
> Steve Belter, Indiana Dataline Corp
> 427 N 6th Street, Suite C
> Lafayette, IN 47901-2211
> Tel: (765) 269-8521
> www.indiana-dataline.net
>
>
> -Original Message-
> From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On 
> Behalf Of Richard Grabotin
> Sent: Monday, October 24, 2011 12:38 AM
> To: amsat-bb@amsat.org
> Subject: [amsat-bb] AO-27/SO-50
>
> I am new to satellites as of this weekend. I have worked AO-51 three times 
> with much success. SO-50 I can hear off and on, but I am having trouble 
> raising it. As for AO-27, I had a nice daytime direct overhead pass and heard 
> nothing. I am using a yeasu g-5500 rotator with the AMSAT controller and ham 
> radio deluxe. Kenwood ts-2000 for the rig and a 8 element 440 and a 4 element 
> 2 meter antenna. The antennas are currently linear polarized since my phasing 
> cables still have not arrived from the manufacturer.
>
> My questions are, is AO-27 difficult to work? Is it on a schedule? Any ideas 
> why I could not raise or hear it?
>
> As for SO-50: Should I be listening 5khz down? Ham radio deluxe is 
> controlling the radio frequencies and I made a custom entry for 5khz down and 
> corrected for Doppler. This still did not seem to help.
>
>
> Richard
> K7LWV
>
>
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>



-- 
Mark L. Hammond [N8MH]

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[amsat-bb] Re: AO-27/SO-50

[Dominic Hawken]

On 24/10/2011 14:31, David Palmer KB5WIA wrote:

Hi Richard,


. I am using a yeasu g-5500 rotator with the AMSAT controller and ham radio 
deluxe. Kenwood ts-2000 for the rig and a 8 element 440 and a 4 element 2 meter 
antenna. The antennas are currently linear polarized since my phasing cables 
still have not arrived from the manufacturer.


Good setup!



My questions are, is AO-27 difficult to work? Is it on a schedule? Any ideas 
why I could not raise or hear it?


Yes, it's on a schedule -- check the status page on www.amsat.org to
see when it comes on and off. It comes on at mid-latitudes by a timer,
so for an overhead pass in your area you *should* have heard it 
other things to check would be that the keps are current, and that
there weren't any glitches during that particular pass (ie. maybe
radios briefly stopped tuning).  Try again, it's a nice loud sat.



As for SO-50: Should I be listening 5khz down? Ham radio deluxe is controlling 
the radio frequencies and I made a custom entry for 5khz down and corrected for 
Doppler. This still did not seem to help.


I've found SO-50 about 5kHz-8kHz down, so listen down a little.
Remember the tone on the uplink too.  Also, I've seen quite a few
posts that the TS-2000 has a birdie right at the high end of SO-50's
downlink, so you may have a better chance hearing it later in the pass
as doppler moves the downlink away from the birdie.


I have a virtually identical set up but with a FT-847 radio. I get AO-27 
but with HRD I do find I have to tune about to get the receive - 5 to 
10Khz. Wierdly I find it _much_ easier to work the SSB sats with the set 
up than I do the FM ones - sounds like you have the same issue.


Dominic G6NQO

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[amsat-bb] Re: AO-27/SO-50

[Stephen E. Belter]

Richard,

You probably didn't hear AO-27 because it was off on the passes you tried to 
work.  Was the satellite over Canada or was it moving from north to south?

AO-27 isn't difficult to work, except that it is *very* popular (can be hard to 
get a word in edgewise) and is on a timer.  In general, AO-27 is operational 
over the United States for a period of seven minutes in the afternoon passes 
when the satellite is traveling from south to north.   

Before transmitting, make sure you can hear the satellite.  If you don't hear 
it, it isn't turned on.  When AO-27 is on and passing over the middle of the 
US, it will sound like a DX pile-up.  Since you are in Oregon, your least 
crowded passes will be when AO-27 is off the west coast over the Pacific Ocean. 
 (I've had relaxed conversations on AO-27 from Indiana when it is over the 
Atlantic Ocean.)

The design/assigned frequency for SO-50 is 436.800, but I've been finding it 
between 436.791 to 436.794 (before Doppler correction).  SO-50 also requires 
that you transmit a 67 Hz subaudible (CTSS or PL) tone.  The SO-50 transmitter 
is on a ten minute timer that is reset by sending a 74 Hz tone, but don't worry 
about it until you become familiar with the satellite.  Let other stations 
worry about resetting the timer.

Clint Bradford, K6LCS, has some great information for hams just getting started 
on satellites.  You can find it at www.work-sat.org .

73, Steve N9IP
--
Steve Belter, Indiana Dataline Corp
427 N 6th Street, Suite C
Lafayette, IN 47901-2211
Tel: (765) 269-8521
www.indiana-dataline.net


-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf 
Of Richard Grabotin
Sent: Monday, October 24, 2011 12:38 AM
To: amsat-bb@amsat.org
Subject: [amsat-bb] AO-27/SO-50

I am new to satellites as of this weekend. I have worked AO-51 three times with 
much success. SO-50 I can hear off and on, but I am having trouble raising it. 
As for AO-27, I had a nice daytime direct overhead pass and heard nothing. I am 
using a yeasu g-5500 rotator with the AMSAT controller and ham radio deluxe. 
Kenwood ts-2000 for the rig and a 8 element 440 and a 4 element 2 meter 
antenna. The antennas are currently linear polarized since my phasing cables 
still have not arrived from the manufacturer.  

My questions are, is AO-27 difficult to work? Is it on a schedule? Any ideas 
why I could not raise or hear it?

As for SO-50: Should I be listening 5khz down? Ham radio deluxe is controlling 
the radio frequencies and I made a custom entry for 5khz down and corrected for 
Doppler. This still did not seem to help. 


Richard
K7LWV


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[amsat-bb] Re: AO-27/SO-50

[David Palmer KB5WIA]

Hi Richard,

>. I am using a yeasu g-5500 rotator with the AMSAT controller and ham radio 
>deluxe. Kenwood ts-2000 for the rig and a 8 element 440 and a 4 element 2 
>meter antenna. The antennas are currently linear polarized since my phasing 
>cables still have not arrived from the manufacturer.

Good setup!

>
> My questions are, is AO-27 difficult to work? Is it on a schedule? Any ideas 
> why I could not raise or hear it?

Yes, it's on a schedule -- check the status page on www.amsat.org to
see when it comes on and off. It comes on at mid-latitudes by a timer,
so for an overhead pass in your area you *should* have heard it 
other things to check would be that the keps are current, and that
there weren't any glitches during that particular pass (ie. maybe
radios briefly stopped tuning).  Try again, it's a nice loud sat.

>
> As for SO-50: Should I be listening 5khz down? Ham radio deluxe is 
> controlling the radio frequencies and I made a custom entry for 5khz down and 
> corrected for Doppler. This still did not seem to help.

I've found SO-50 about 5kHz-8kHz down, so listen down a little.
Remember the tone on the uplink too.  Also, I've seen quite a few
posts that the TS-2000 has a birdie right at the high end of SO-50's
downlink, so you may have a better chance hearing it later in the pass
as doppler moves the downlink away from the birdie.

>
>
> Richard
> K7LWV

Good luck on the sats

73 de Dave KB5WIA

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[amsat-bb] Re: AO-27 pass at 2115 UTC over DM04

[Bryan Herbert]

Rick, Stephen,
  Thank you for the help. Patrick emailed me and confirmed the QSO. 
Next time I'll be sure to use the camcorder on my phone like I usually 
do, it's much more reliable.


Thanks again and 73

--
Bryan Herbert - KE6ZGP
Newhall, CA. DM04RJ USA
http://bryanherbert.com
http://twitter.com/ke6zgp

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[amsat-bb] Re: AO-27 pass at 2115 UTC over DM04

[Rick Tejera]

Bryan,

 Sounds like Patrick, WD9EWK. F he was operating from his home he was in
DM43, Though he does like to work from a park Northern Phoenix that s on the
boundary of DM 33/DM43.

Clear Skies

Rick Tejera
Saguaro Astronomy Club
Phoenix, Arizona
www.saguaroastro.org
saguaroas...@cox.net 
K7TEJ, AMSAT 38452

-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Bryan Herbert
Sent: Sunday, October 16, 2011 14:46
To: amsat-bb@amsat.org
Subject: [amsat-bb] AO-27 pass at 2115 UTC over DM04

My recorder failed during the pass and I cant remember the callsign of 
the station I worked. I want to say it began with WD9 and he was near 
Phoenix? If anyone knows or if the station I worked sees this please 
send me an email. 73 and TIA!

-- 
Bryan Herbert - KE6ZGP
Newhall, CA. DM04RJ USA
http://bryanherbert.com
http://twitter.com/ke6zgp

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[amsat-bb] Re: AO-27 Scheduler

[George Henry]

That's due to normal precession...  over time, the ground track moves eastward, 
causing the workable passes to occur about 28 minutes earlier each day.  You'll 
soon see workable passes in the evening, which will work their way into the 
afternoon as they get earlier, day by day.

What goes around, comes around.


George, KA3HSW



- Original Message 
> From: David Wing 
> To: AMSAT BB 
> Sent: Thu, September 29, 2011 9:50:24 AM
> Subject: [amsat-bb] AO-27 Scheduler
> 
> Has the schedule on AO-27 changed radically? 
> 
> 
> 
> Here in the  western US I've been used to being able to work AO-27 twice
> during the early  afternoon but now it seems like the transmitter operation
> is during the wee  hours of the morning.  Has something changed in the last
> few months  while I have been off the birds?
> 
> 
> 
> David
> 
> K6CDW
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[amsat-bb] Re: AO-27 Site Down

[i8cvs]

Hi Clint, K6LCS

I am very concerned about AO-27 site has been down for about 2 weeks.

This problem happens when there is only one control station able to manage
a satellite.

 In my opinion AMRAD should create another control operator just in case
like this.

73" de

i8CVS Domenico

> - Original Message -
> From: "Clint Bradford" 
> To: "George Henry" 
> Cc: "AMSAT BB" 
> Sent: Thursday, September 08, 2011 11:15 PM
> Subject: [amsat-bb] Re: AO-27 Site Down
>
>
> > Chuck Wyrick is on vacation ... He'll be back for us next week.
> >
> > Clint
> >
> >
> > On Sep 7, 2011, at 11:15 AM, George Henry wrote:
> >
> > The AO-27 site has been down for about 2 weeks.  I e-mailed Mike Wyrick,
> > but haven't heard anything back yet.
> >
> >
> > Clint Bradford
> > clintbradf...@mac.com

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[amsat-bb] Re: AO-27 Site Down

[i8cvs]

Hi Clint, K6LCS

I am very concerned about AO-27 site has been down for about 2 weeks.

This problem happens when there is only one control station able to manage
a satellite.

In my opinion AMRAD should create another control operator just in case
like this.

73" de

i8CVS Domenico

- Original Message -
From: "Clint Bradford" 
To: "George Henry" 
Cc: "AMSAT BB" 
Sent: Thursday, September 08, 2011 11:15 PM
Subject: [amsat-bb] Re: AO-27 Site Down


> Chuck Wyrick is on vacation ... He'll be back for us next week.
>
> Clint
>
>
> On Sep 7, 2011, at 11:15 AM, George Henry wrote:
>
> The AO-27 site has been down for about 2 weeks.  I e-mailed Mike Wyrick,
but
> haven't heard anything back yet.
>
>
> Clint Bradford
> clintbradf...@mac.com
>

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[amsat-bb] Re: AO-27 Site Down

[Clint Bradford]

Chuck Wyrick is on vacation ... He'll be back for us next week.

Clint


On Sep 7, 2011, at 11:15 AM, George Henry wrote:

The AO-27 site has been down for about 2 weeks.  I e-mailed Mike Wyrick, but 
haven't heard anything back yet.


Clint Bradford
clintbradf...@mac.com




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[amsat-bb] Re: AO-27 Site Down

[George Henry]

The AO-27 site has been down for about 2 weeks.  I e-mailed Mike Wyrick, but 
haven't heard anything back yet.

The Java scheduler app will always be accurate to within 2 minutes (the 
cumulative error in the satellite's clock) as long as a new schedule hasn't 
been 
uploaded to the bird itself.  I have also asked Mike to let me know if a new 
schedule is uploaded before the website is back up.

Inasmuch as one cannot download the required data files for the Java app until 
the website is back up, I have placed the most recent files (May 2011) on the 
Java scheduler download page 





George, KA3HSW






- Original Message 
> From: Clint Bradford 
> To: AMSAT BB 
> Sent: Wed, September 7, 2011 10:43:32 AM
> Subject: [amsat-bb] AO-27 Site Down
> 
> I was trying to confirm whether or not AO-27 was going to be ON for the 
> 2141UTC  
>pass on Saturday September 10 here 
>
> in Southern California. But the AO27.org  site has been unavailable. The 
> AO-27 
>Java app shows OFF at 2037 UTS and not 
>
> back ON until 2210 UTC ...
> 
> Has the Java app been reliable in its  predictions three days out?  
> 
> 
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[amsat-bb] Re: AO-27 Site Down

[Patrick STODDARD (WD9EWK/VA7EWK)]

Hi Clint!

> I was trying to confirm whether or not AO-27 was going to be ON for the 
> 2141UTC pass on Saturday September 10 here
> in Southern California. But the AO27.org site has been unavailable. The AO-27 
> Java app shows OFF at 2037 UTS and not
> back ON until 2210 UTC ...
>
> Has the Java app been reliable in its predictions three days out?

Other than compensating for the small drift in the satellite's
onboard clock, the Java app is pretty accurate.  My app is
showing the start time for the repeater on that Saturday
afternoon pass at 21:47:16 UTC, which would match up
with a west-coast pass between 2141-2155 UTC.  Unless
the onboard clock and schedule have been reset, expect
the start time to be a minute or two before the predicted
time.

Good luck and 73!





Patrick WD9EWK/VA7EWK
http://www.wd9ewk.net/
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[amsat-bb] Re: AO-27 Contact 8/10/2011 Please verify

[Roger Kolakowski]

Hi Dominico et al...

As I have noted before...not everyone is contesting or looking for QSL 
cards when making contacts. There are multiple other possibilities the 
op needs confirmation of the callsign.


Maybe he promised his contact he would forward a manual to him and 
realized that the call was not in the book for an address.


We will never know and I'm not sure it is everyone's business...

There is more to this hobby than "grid squares"

Roger
WA1KAT

On 8/11/2011 12:16 AM, i8cvs wrote:

Hi Jon, N4NAB

In the above conditions if you cannot ear the full call letter and locator
the QSO is not valid !

73" de

i8CVS Domenico

- Original Message -
From: "John Henderson N4NAB"
To:
Sent: Wednesday, August 10, 2011 8:48 PM
Subject: [amsat-bb] AO-27 Contact 8/10/2011 Please verify



I worked an N8?? Station from EL41 on 8/10/20011 on the 18:15Z pass I
copied the call sign as N8?O... Pals verify the call sign please.

John N4NAB  FM14lq

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[amsat-bb] Re: AO-27 Contact 8/10/2011 Please verify

[Ted]

And I say 'maybe'

With the rudeness that has become the standard on the fm sats, it is an
every day event where you hear someone call, you respond to that particular
call, and someone will climb all over the pass calling someone else.

In Jon's case he is just asking for some help on a call sign. If the other
side confirms, then Jon does the same. If the other guy does not, it's
busted for Jon.

Way too many 'Sat Cops' in this group. The entire qsl concept is largely
based on mutual trust. I have denied qsl several times and I would expect
the same on a 'shaky' contact. In my experience, the satellite group is way
above the rest in being honest about a qsl confirmation.
 
I said that,

Ted, K7TRK

-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of i8cvs
Sent: Wednesday, August 10, 2011 9:17 PM
To: John Henderson N4NAB; Amsat - BBs
Subject: [amsat-bb] Re: AO-27 Contact 8/10/2011 Please verify

Hi Jon, N4NAB

In the above conditions if you cannot ear the full call letter and locator
the QSO is not valid !

73" de

i8CVS Domenico

- Original Message -
From: "John Henderson N4NAB" 
To: 
Sent: Wednesday, August 10, 2011 8:48 PM
Subject: [amsat-bb] AO-27 Contact 8/10/2011 Please verify


> I worked an N8?? Station from EL41 on 8/10/20011 on the 18:15Z pass I
> copied the call sign as N8?O... Pals verify the call sign please.
>
> John N4NAB  FM14lq
>
>
>
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[amsat-bb] Re: AO-27 Contact 8/10/2011 Please verify

[i8cvs]

Hi Jon, N4NAB

In the above conditions if you cannot ear the full call letter and locator
the QSO is not valid !

73" de

i8CVS Domenico

- Original Message -
From: "John Henderson N4NAB" 
To: 
Sent: Wednesday, August 10, 2011 8:48 PM
Subject: [amsat-bb] AO-27 Contact 8/10/2011 Please verify


> I worked an N8?? Station from EL41 on 8/10/20011 on the 18:15Z pass I
> copied the call sign as N8?O... Pals verify the call sign please.
>
> John N4NAB  FM14lq
>
>
>
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[amsat-bb] Re: AO-27 schedule for Field Day

[George Henry]

>From the Schedule tab, if you scroll down about 1/3 of the way in the  
information pane at the bottom, you'll see a listing for "TOPR Epoch  (UTC)".  
If your data files are up-to-date, it should show "Saturday,  May 28, 2011 
16:40:40", the date and time of the most recent schedule  upload to the 
satellite.

To manually update the files, go to , scroll  down to the 
"Source for TOPR Listings" section, and right-click on  Epoch.txt and TOPR.txt, 
and save to the same folder where the lister  program resides, overwriting any 
previous copies.


Good luck on Field Day!!


George, KA3HSW




- Original Message 
> From: Stephen  E. Belter 
> To: George Henry 
> Cc: "amsat-bb@amsat.org" 
> Sent: Fri, June 24, 2011 11:16:21 AM
> Subject: Re: [amsat-bb]  AO-27 schedule for Field Day
> 
> This program reports that they are up-to-date when I type Ctrl-U, but I'm  
>skeptical.  The file date hasn't changed from when I installed it.  
>
> 
> Should I edit the Epoch.txt file or is there a better way to force the  
>replacement of the file?
> 
> I'm running V1.2 under Windows 7.  
> 
> Thank you for the help.  
> 
> Steve N9IP
> --
> Steve  Belter
> 
> 
> On Jun 23, 2011, at 11:52 PM, "George Henry"  wrote:
> 
> > Have you  updated the data files for the Schedule lister?  Your predictions 
> >  are all about 18 minutes behind what I am getting with the latest data 
> > files 
>
> > loaded...
> > 
> > George, KA3HSW
> > 
> > 
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[amsat-bb] Re: AO-27

[George Henry]

It is, it's just a question of whether those "on times" coincide with 
visibility 
at your station...

George, KA3HSW




- Original Message 
> From: Kevin Deane 
> To: amsat-bb@amsat.org
> Sent: Thu, June 23, 2011 10:42:50 PM
> Subject: [amsat-bb]  AO-27
> 
> 
> I thought AO-27 was on voice for 7 minutes every ascending  pass...
> 
> Kevin
> KF7MYK
> 
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[amsat-bb] Re: AO-27 schedule for Field Day

[Stephen E. Belter]

This program reports that they are up-to-date when I type Ctrl-U, but I'm 
skeptical.  The file date hasn't changed from when I installed it.  

Should I edit the Epoch.txt file or is there a better way to force the 
replacement of the file?

I'm running V1.2 under Windows 7.  

Thank you for the help.  

Steve N9IP
--
Steve Belter


On Jun 23, 2011, at 11:52 PM, "George Henry"  wrote:

> Have you updated the data files for the Schedule lister?  Your predictions 
> are all about 18 minutes behind what I am getting with the latest data files 
> loaded...
> 
> George, KA3HSW
> 
> 
> - Original Message - 
> From: "Stephen E. Belter" 
> To: 
> Sent: Thursday, June 23, 2011 9:54 PM
> Subject: [amsat-bb] AO-27 schedule for Field Day
> 
> 
>> AO-27 experts:
>> 
>> I'm looking for confirmation that I've calculated AO-27's schedule for 
>> Field Day correctly.
>> 
>> Using Christopher Henry's AO-27 Satellite Schedule program, I get the 
>> following schedule for this weekend.  During FD, AO-27 will be in FM 
>> repeater mode ("analog" mode) for seven minutes starting at the following 
>> times UTC:
>> Saturday, June 25:  18:40:30, 20:21:19, 22:02:07, 23:42:55 UTC
>> Sunday, June 26:  1:23:44, 3:04:32, 4:45:21, 6:26:09, 8:06:58, 9:47:46, 
>> 11:28:35, 13:09:23, 14:50:12, 16:31:00 UTC
>> 
>> Do you get similar results, either using Christopher's program or using 
>> the information on the AO-27 web site (www.ao27.org)?
>> 
>> Using the pass predictor on my iPad (GoSatWatch), I see some near misses, 
>> but I don't think the AO-27 transponder will be in FM analog mode while it 
>> is above our horizon in northern Indiana.  :-(
>> 
>> Of course, I could have made mistakes, which is why I'm asking...
>> 
>> 73, Steve N9IP
>> --
>> Steve Belter
> 

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[amsat-bb] Re: AO-27 schedule for Field Day

[George Henry]

Have you updated the data files for the Schedule lister?  Your predictions 
are all about 18 minutes behind what I am getting with the latest data files 
loaded...

George, KA3HSW


- Original Message - 
From: "Stephen E. Belter" 
To: 
Sent: Thursday, June 23, 2011 9:54 PM
Subject: [amsat-bb] AO-27 schedule for Field Day


> AO-27 experts:
>
> I'm looking for confirmation that I've calculated AO-27's schedule for 
> Field Day correctly.
>
> Using Christopher Henry's AO-27 Satellite Schedule program, I get the 
> following schedule for this weekend.  During FD, AO-27 will be in FM 
> repeater mode ("analog" mode) for seven minutes starting at the following 
> times UTC:
> Saturday, June 25:  18:40:30, 20:21:19, 22:02:07, 23:42:55 UTC
> Sunday, June 26:  1:23:44, 3:04:32, 4:45:21, 6:26:09, 8:06:58, 9:47:46, 
> 11:28:35, 13:09:23, 14:50:12, 16:31:00 UTC
>
> Do you get similar results, either using Christopher's program or using 
> the information on the AO-27 web site (www.ao27.org)?
>
> Using the pass predictor on my iPad (GoSatWatch), I see some near misses, 
> but I don't think the AO-27 transponder will be in FM analog mode while it 
> is above our horizon in northern Indiana.  :-(
>
> Of course, I could have made mistakes, which is why I'm asking...
>
> 73, Steve N9IP
> --
> Steve Belter

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[amsat-bb] Re: AO-27 This Afternoon

[Rick - WA4NVM]

It had to be Gail, KB0RZD  He has been on most passes today.

Rick WA4NVM


> Who was that working AO-27 a couple hours ago?
>
> Kansas City, EM29
> KBOxx
>
> Clint, K6LCS
>
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[amsat-bb] Re: AO-27 Eclipse

[Patrick STODDARD (WD9EWK/VA7EWK)]

Hi Chuck!

> I just downloaded and ran the AO-27 scheduler program and updated the
> epoch.txt and topr.txt files as instructed. I compared the text files with
> the ones currently on the AO-27 website and verified that they are correct.
> For some reason, the times generated by the program differ from the times on
> the AO-27 web site by 11 min 36 sec.
> What am I doing wrong?

What you see in the program is OK.  The AO-27 web site is off.  It seems
to happen like that 2 to 4 weeks after the AO-27 schedule is updated.  Go
with what you see in the program.

You can also look at your tracking program and compare it to the output
from the AO-27 program and web site.  You'll probably see that the web
site shows the satellite turning on near the end of the pass, or after LOS
for you.

73!




Patrick WD9EWK/VA7EWK
http://www.wd9ewk.net/
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[amsat-bb] Re: AO-27 Eclipse

[KM9U]

I just downloaded and ran the AO-27 scheduler program and updated the 
epoch.txt and topr.txt files as instructed. I compared the text files with 
the ones currently on the AO-27 website and verified that they are correct. 
For some reason, the times generated by the program differ from the times on 
the AO-27 web site by 11 min 36 sec.
What am I doing wrong?

Chuck, KM9U

- Original Message - 
From: "Jeremy Bomkamp" 
To: 
Sent: Wednesday, April 06, 2011 17:51
Subject: [amsat-bb] Re: AO-27 Eclipse


AO-27 is on a timer and is usually only active on ascending passes about the 
time it crosses 30 degrees North latitude. There is a program that will 
predict when it is in analog repeater mode and it can be downloaded at 
http://sites.google.com/site/ao27satellitescheduler/
When you first run the program you need to update the files(TOPR and EPOCH) 
instructions are on the page, simple as pressing CTRL+U



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[amsat-bb] Re: AO-27 Eclipse

[saguaroastro]

Dan,

The horrible noise is the packet burst at the end of it's activation. It sends 
a packet burst of telemetry at the beginning and end of it's activation window 
which is typically 7 minutes. For most passes this means it will come on after 
it rises and shut down before it sets. I call it the 7 minute dash.

73 de Rick
K7TEJ 

 KF1BUZ  wrote: 
> Just had that a0-27 pass, and made a contact, I could hear a lot of people, 
> so if its in the sun it works, 
Then it started to make a horrible noise

Dan

-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf 
Of Zachary Beougher
Sent: Wednesday, April 06, 2011 12:15 PM
To: Kevin Deane; amsat-bb@amsat.org
Subject: [amsat-bb] Re: AO-27 Eclipse

If AO27 was on you would hear the carrier.  I honestly am not sure about AO27 
only working in the sun since whenever I work it it is in the sun, but I don’t 
think it is ever scheduled to be on during overnight passes anyhow.  Someone 
please correct me if I am wrong.  Here is the schedule: 
http://www.ao27.org/AO27/index.shtml

Zack
KD8KSN 

From: Kevin Deane
Sent: Wednesday, April 06, 2011 10:14 AM
To: Zachary Beougher
Subject: RE: [amsat-bb] AO-27 Eclipse


Well I thought it only worked in the sunlight? I have tried to talk to myself 
on it at night time to no avail, so I have been watching it go into shadow 
wondering if it is working just before that, maybe I was doing something wrong, 
but I swear I have tried it several times.
 
Kevin

 
> From: zack.kd8...@hotmail.com
> To: summit...@live.com; amsat-bb@amsat.org
> Subject: Re: [amsat-bb] AO-27 Eclipse
> Date: Wed, 6 Apr 2011 09:59:28 -0400
> 
> Hi Kevin,
> 
> AO27 is usually (if ever) on for morning passes. Did you mean AO51?
> 
> 73,
> 
> Zack
> KD8KSN
> 
> -Original Message-
> From: Kevin Deane
> Sent: Wednesday, April 06, 2011 6:36 AM
> To: amsat-bb@amsat.org
> Subject: [amsat-bb] AO-27 Eclipse
> 
> 
> 
> Please correct me if I am wrong, but it seems to me that the AO-27 is 
> creeping further and farther down into the US before it goes into 
> eclipse. A lot of times at great elevation, with Alaska, Canada and 
> some of the US well inside the footprint.
> 
> Of course everyone is asleep at this time, but I was wondering if this 
> will keep getting better and maybe some of the earlybirds would like 
> to try workin it like we do the 51 so early in the morning as we so often do?
> 
> Thank's for any input,
> Kevin
> KF7MYK
> 
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[amsat-bb] Re: AO-27 Eclipse

[KF1BUZ]

Just had that a0-27 pass, and made a contact, I could hear a lot of people, so 
if its in the sun it works, 
Then it started to make a horrible noise

Dan

-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf 
Of Zachary Beougher
Sent: Wednesday, April 06, 2011 12:15 PM
To: Kevin Deane; amsat-bb@amsat.org
Subject: [amsat-bb] Re: AO-27 Eclipse

If AO27 was on you would hear the carrier.  I honestly am not sure about AO27 
only working in the sun since whenever I work it it is in the sun, but I don’t 
think it is ever scheduled to be on during overnight passes anyhow.  Someone 
please correct me if I am wrong.  Here is the schedule: 
http://www.ao27.org/AO27/index.shtml

Zack
KD8KSN 

From: Kevin Deane
Sent: Wednesday, April 06, 2011 10:14 AM
To: Zachary Beougher
Subject: RE: [amsat-bb] AO-27 Eclipse


Well I thought it only worked in the sunlight? I have tried to talk to myself 
on it at night time to no avail, so I have been watching it go into shadow 
wondering if it is working just before that, maybe I was doing something wrong, 
but I swear I have tried it several times.
 
Kevin

 
> From: zack.kd8...@hotmail.com
> To: summit...@live.com; amsat-bb@amsat.org
> Subject: Re: [amsat-bb] AO-27 Eclipse
> Date: Wed, 6 Apr 2011 09:59:28 -0400
> 
> Hi Kevin,
> 
> AO27 is usually (if ever) on for morning passes. Did you mean AO51?
> 
> 73,
> 
> Zack
> KD8KSN
> 
> -Original Message-
> From: Kevin Deane
> Sent: Wednesday, April 06, 2011 6:36 AM
> To: amsat-bb@amsat.org
> Subject: [amsat-bb] AO-27 Eclipse
> 
> 
> 
> Please correct me if I am wrong, but it seems to me that the AO-27 is 
> creeping further and farther down into the US before it goes into 
> eclipse. A lot of times at great elevation, with Alaska, Canada and 
> some of the US well inside the footprint.
> 
> Of course everyone is asleep at this time, but I was wondering if this 
> will keep getting better and maybe some of the earlybirds would like 
> to try workin it like we do the 51 so early in the morning as we so often do?
> 
> Thank's for any input,
> Kevin
> KF7MYK
> 
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[amsat-bb] Re: AO-27 Eclipse

[Jeremy Bomkamp]

 AO-27 is on a timer and is usually only active on ascending passes about the 
time it crosses 30 degrees North latitude.  There is a program that will 
predict when it is in analog repeater mode and it can be downloaded 
at http://sites.google.com/site/ao27satellitescheduler/
When you first run the program you need to update the files(TOPR and EPOCH) 
instructions are on the page, simple as pressing CTRL+U


  
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[amsat-bb] Re: AO-27 Eclipse

[Zachary Beougher]

If AO27 was on you would hear the carrier.  I honestly am not sure about AO27 
only working in the sun since whenever I work it it is in the sun, but I don’t 
think it is ever scheduled to be on during overnight passes anyhow.  Someone 
please correct me if I am wrong.  Here is the schedule: 
http://www.ao27.org/AO27/index.shtml

Zack
KD8KSN 

From: Kevin Deane 
Sent: Wednesday, April 06, 2011 10:14 AM
To: Zachary Beougher 
Subject: RE: [amsat-bb] AO-27 Eclipse


Well I thought it only worked in the sunlight? I have tried to talk to myself 
on it at night time to no avail, so I have been watching it go into shadow 
wondering if it is working just before that, maybe I was doing something wrong, 
but I swear I have tried it several times.
 
Kevin

 
> From: zack.kd8...@hotmail.com
> To: summit...@live.com; amsat-bb@amsat.org
> Subject: Re: [amsat-bb] AO-27 Eclipse
> Date: Wed, 6 Apr 2011 09:59:28 -0400
> 
> Hi Kevin,
> 
> AO27 is usually (if ever) on for morning passes. Did you mean AO51?
> 
> 73,
> 
> Zack
> KD8KSN
> 
> -Original Message- 
> From: Kevin Deane
> Sent: Wednesday, April 06, 2011 6:36 AM
> To: amsat-bb@amsat.org
> Subject: [amsat-bb] AO-27 Eclipse
> 
> 
> 
> Please correct me if I am wrong, but it seems to me that the AO-27 is 
> creeping further and farther down into the US before it goes into eclipse. A 
> lot of times at great elevation, with Alaska, Canada and some of the US well 
> inside the footprint.
> 
> Of course everyone is asleep at this time, but I was wondering if this will 
> keep getting better and maybe some of the earlybirds would like to try 
> workin it like we do the 51 so early in the morning as we so often do?
> 
> Thank's for any input,
> Kevin
> KF7MYK
> 
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[amsat-bb] Re: AO-27 Eclipse

[Zachary Beougher]

Hi Kevin,

AO27 is usually (if ever) on for morning passes.  Did you mean AO51?

73,

Zack
KD8KSN

-Original Message- 
From: Kevin Deane
Sent: Wednesday, April 06, 2011 6:36 AM
To: amsat-bb@amsat.org
Subject: [amsat-bb] AO-27 Eclipse



Please correct me if I am wrong, but it seems to me that the AO-27 is 
creeping further and farther down into the US before it goes into eclipse. A 
lot of times at great elevation, with Alaska, Canada and some of the US well 
inside the footprint.

Of course everyone is asleep at this time, but I was wondering if this will 
keep getting better and maybe some of the earlybirds would like to try 
workin it like we do the 51 so early in the morning as we so often do?

Thank's for any input,
Kevin
KF7MYK

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[amsat-bb] Re: AO-27 vs. TS-2000

[Rick - WA4NVM]

Hi Ted,

I had the same problem, so never worked AO-27 and SO-50 years ago.  Then
I took your approach, hooked up my IC-706MkIIG as the receiver, problem
solved.  So then installed an antenna switch to move the 440 antenna between
the Kenwood and Icom.  I programmed 145.850 in a memory for transmit
and move the Icom vfo manually to track the downlink.  I never change the
transmit frequency and use the computer program for antenna position only.

Your mobile rig should work just fine on the downlink if you don't have a 
real
long coax run.  I might add, I do have a preamp at my antenna also, like 
Damon.
I use the TS-2000 "solo" for all other satellites.

73,

Rick WA4NVM



> Looking for some advice, please
>
> Tried real hard to work AO27 on an 80 degree + pass this afternoon, using
> the TS 2000 in Sat Mode. No good results because of the 'birdies' inherent
> in the radio. (tried the narrow FM deal - no luck).  As I look at Page 103
> of the TS2000 manual I see that while using the main VFO at 436.799 that
> there is no rx possible. Since AO27's down link is at 436.795, it seems 
> that
> the 'birdie issue' is on the 440 side of the TS-2000.
>
> So, what I thought I would try on those 80+degree passes over me, is to 
> use
> a 2m/440 mobile rig on RX (with a dual band vertical realizing that the
> vertical is not optimum)l) and use the TS-2000 for Doppler TX. I can 
> program
> the mobile like the Clint HT step Doppler deal. This is all temporary but
> I'm so sick of AO51, I would like to try for some new grids. Need about 30
> for VUCC.
>
> Any TS2000 wizards out there would be appreciated
>
> 73, Ted
> K7TRK
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[amsat-bb] Re: AO-27 vs. TS-2000

[wa4hfn]

Ted  I added a AR2 preamp at the antenna ,it did not stop the birdy but it 
allows me to hear through it{no duplex}.I cant hear my self until the signal 
passes the birdy but signals are there With the preamp when I transmitt It goes 
in bypass and the birdy wipes me out but in rx mode I can hear .
WA4HFN Damon
- Original Message -
From: "Ted" 
To: "AMSAT BB" 
Sent: Wednesday, February 23, 2011 9:39:18 PM
Subject: [amsat-bb]  AO-27 vs. TS-2000

Looking for some advice, please

Tried real hard to work AO27 on an 80 degree + pass this afternoon, using
the TS 2000 in Sat Mode. No good results because of the 'birdies' inherent
in the radio. (tried the narrow FM deal - no luck).  As I look at Page 103
of the TS2000 manual I see that while using the main VFO at 436.799 that
there is no rx possible. Since AO27's down link is at 436.795, it seems that
the 'birdie issue' is on the 440 side of the TS-2000.

So, what I thought I would try on those 80+degree passes over me, is to use
a 2m/440 mobile rig on RX (with a dual band vertical realizing that the
vertical is not optimum)l) and use the TS-2000 for Doppler TX. I can program
the mobile like the Clint HT step Doppler deal. This is all temporary but
I'm so sick of AO51, I would like to try for some new grids. Need about 30
for VUCC.

Any TS2000 wizards out there would be appreciated

73, Ted
K7TRK
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[amsat-bb] Re: AO-27 Operation Behavior Question

[Chris Bloy]

Hi Bruce,

No, the telemetry dump at the end is the end of its scheduled transmit time.
This also happens at the beginning too. Check out www.ao27.org for more info
on the schedule.

Chris

-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Bruce Semple
Sent: 20 October 2010 19:17
To: amsat-bb@amsat.org
Subject: [amsat-bb] AO-27 Operation Behavior Question


Is there some sort of IDLE  / switch over / recovery time  after
AO-27 does it's telemetry dump
before you can get back into the FM repeater?

I have strong  signals S9+30+ going into the telemetry dump -- and then it
appears to be dead after it finishes.



73,
Bruce
WA3SWJ

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[amsat-bb] Re: AO-27 Operation Behavior Question

[Ron Overdrive]

AO-27's schedule basically works as follows: when it turns on it transmits
roughly 30 seconds of data, activates the repeater for 7 or so minutes, then
another 90 seconds of data before shutting off. If it appears to be dead
afterwords (ie you can't hear yourself on the bird with a 2nd radio or in
full duplex) then you caught it on the tail end of the schedule. Goto
AO27.org for the current schedule or download the Scheduler at
http://sites.google.com/site/ao27satellitescheduler/ and generate your own
schedule predictions.

~73, KC2WQW

On Wed, Oct 20, 2010 at 2:17 PM, Bruce Semple wrote:

>
> Is there some sort of IDLE  / switch over / recovery time  after
> AO-27 does it's telemetry dump
> before you can get back into the FM repeater?
>
> I have strong  signals S9+30+ going into the telemetry dump -- and
> then it appears to be dead after it finishes.
>
>
>
> 73,
> Bruce
> WA3SWJ
>
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[amsat-bb] Re: AO-27

[Zachary Beougher]

I have no idea, but I wasn't able to pull off any QSOs on account of the 
carrier.  I heard John come on with about 1 minute left on the timer, but he 
was barely making it over the carrier as well.

Hope it lightens up a bit  73,

Zack
KD8KSN

--
From: "Bob Herrell" 
Sent: Saturday, August 21, 2010 4:07 PM
To: 
Subject: [amsat-bb]  AO-27

> Hi all,
>
> What's with this horrendous carrier on AO-27? Is it deliberate? Any ideas?
>
> 73,
> Bob Herrell - AJ5C
> EM36 Arkansas
>
>
> __ Information from ESET Smart Security, version of virus 
> signature database 5384 (20100821) __
>
> The message was checked by ESET Smart Security.
>
> http://www.eset.com
>
>
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[amsat-bb] Re: AO-27

[Alan P. Biddle]

Bob,

That is normal.  The voice period is bracketed with telemetry bursts.  It is
all done by timer.

Alan
WA4SCA
 

-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Bob Schmidt
Sent: Tuesday, August 10, 2010 8:40 AM
To: amsat-bb@amsat.org
Subject: [amsat-bb] AO-27

The last couple of passes that I have tried seemed to start well - I hear
stations using the repeater - but then some sort of digital signal takes
over and no other voice activity is heard.  Is this some command work being
done by the ground controllers?

 

Thanks

 

Bob, WA9JDR

 

 

 

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[amsat-bb] Re: AO-27

[Rick - WA4NVM]

Hi Bob,

I think  you are new to the satellites, since I haven't heard you on the 
birds yet.
Welcome to the fun world of sat's.

Now to your question.  AO-27 is on a timer sequence, 20 seconds of digital
 - then 7 minutes of voice - then back to 1 full minute of digital - then 
off.

You may be hearing it switch back to digital mode at the end of the 7 minute
repeater mode.  Just my guess.  There are a number of sites that give you 
the
times for the daily passes.  One of them, 
http://www.ao27.org/AO27/listing.shtml
is currently about ten minutes off. (late)  Another one you may want to 
check out is
http://sites.google.com/site/ao27satellitescheduler/  a program you can 
download
and use on the daily bases.

I hope this helps and we all will look for you in the future.

73,
Rick WA4NVM


> The last couple of passes that I have tried seemed to start well - I hear
> stations using the repeater - but then some sort of digital signal takes
> over and no other voice activity is heard.  Is this some command work 
> being
> done by the ground controllers?
>
>
>
> Thanks
>
>
>
> Bob, WA9JDR
>
>
>
>
>
>
>
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[amsat-bb] Re: AO-27

[John Belstner]

During the first and last minutes of a pass over North America, AO-27 is in 
Digital Mode; all you will hear is packet.  In-between is when the AO-27 is in 
Analog FM mode.
Check out http://www.ao27.org for more information.

73, John W9EN
DM13LE
w...@amsat.org

On Aug 10, 2010, at 6:40 AM, Bob Schmidt wrote:

> The last couple of passes that I have tried seemed to start well - I hear
> stations using the repeater - but then some sort of digital signal takes
> over and no other voice activity is heard.  Is this some command work being
> done by the ground controllers?
> 
> 
> 
> Thanks
> 
> 
> 
> Bob, WA9JDR
> 
> 
> 
> 
> 
> 
> 
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[amsat-bb] Re: AO-27: Deja vu all over again

[Allen F. Mattis]

It was nice  working you, Ray.  I have used the MFJ-1717 with a W32A 
HT for a hundred or so contacts.

I was working you from my home station using a cheap MFJ ground plane 
with a pre-amp for receive on a Yaesu FT-817, and an MFJ Pulsar 
dual-band antenna for uplink with a Yaesu FT-857.  I firmly promote 
the idea that you don't need to spend a thousand dollars or more to 
work the birds.

Maybe we will work on FD - I will be using the KK5W call sign of the 
Brazos Valley Amateur Radio Club.

73
Allen



At 06:53 PM 6/23/2010, rsoi...@aol.com wrote:
>Hi,
>
>More than 12 years after my January 1998 QST article, I recently acquired a
>  new Yaesu VX-3R mini-HT.  While getting ready for Field Day, I thought I
>would try it out on AO-27.  With the same MFJ 1717 dual-band whip that  I
>used back then, the 2-watt VX-3R quickly worked three stations today:  K6YK,
>WC7V and N5AFV.
>
>Congratulations to them, and of course to the builders and command stations
>  of AO-27, who've kept it going since 1993.
>
>See you all on FD from our club station, WE7GV.
>
>73,
>
>Ray W2RS
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[amsat-bb] Re: AO-27 schedule updated

[Carlos Guillermo Vahnovan]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

El 15/06/2010 12:43 a.m., CE3SOC Raul Romero escribió:
> south america ?
> 


Forget it. "The battery runs out"


> Raul
> CE3SOC
> 
> 
> - Original Message - 
> From: "George Henry" 
> To: "amsat bb" 
> Sent: Saturday, June 05, 2010 3:26 PM
> Subject: [amsat-bb] AO-27 schedule updated
> 
> 
>> A new schedule was uploaded to the satellite on May 30th.  All users of the
>> Java schedule lister should update your data files to be sure you have the
>> latest schedule.
>>
>>
>> George, KA3HSW
>>
>>


73

- -- 
Carlos Guillermo Vahnovan
LW1EXU
http://www.lw1exu.com.ar
http://gacw.no-ip.org
http://www.hamradiopedia.org


remember,
information is not knowledge,
knowledge is not wisdom
wisdom is not truth
truth is not beauty
beauty is not love
love is not music
music is the best

frank zappa
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.9 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEAREKAAYFAkwW/CAACgkQIjwYD/uz16nhuACfa/Y4O8LwC4gbhsDgLEIVf0HV
CCcAoN9H8EX+2qLU7JeJ1G/dHQn3rMeb
=0JFP
-END PGP SIGNATURE-
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[amsat-bb] Re: AO-27 schedule updated

[CE3SOC Raul Romero]

south america ?

Raul
CE3SOC


- Original Message - 
From: "George Henry" 
To: "amsat bb" 
Sent: Saturday, June 05, 2010 3:26 PM
Subject: [amsat-bb] AO-27 schedule updated


>A new schedule was uploaded to the satellite on May 30th.  All users of the
> Java schedule lister should update your data files to be sure you have the
> latest schedule.
>
>
> George, KA3HSW
>
>
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[amsat-bb] Re: AO 27 ?

[Clint Bradford]

Gould quickly contacted me to re-calibrated my slide rule - I was 1/2 correct 
earlier - it is almost +/-10kHZ on the 440 side of a 45 degree pass of an FM 
bird.

Here's the actual equation to calculate Doppler shift ...

http://tinyurl.com/dopplershift

Clint, K6LCS


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[amsat-bb] Re: AO 27 ?

[Rick - WA4NVM]

Hi All,

I read all the replies and have to agree with John, AA5AG.  Unless the pass 
is real low to
the east or west, I always get AOS at 436.804, then track down in frequency. 
My LOS
is around 436.785, if your fixed in 5kc increments (no vfo), program or move 
from 436.805,
436.800, 436.795, 436.790 and 436.785.  The 436.795 frequency is the center 
frequency
before doppler comes into play.

Hope this helps,

Rick WA4NVM



I start at 436.805 which seems about right for the doppler shift at the 
beginning of the pass.

73s John AA5JG

--- On Sun, 4/25/10, Greg D.  wrote:

> From: Greg D. 
> Subject: [amsat-bb] Re: AO 27 ?
> To: k7trkra...@charter.net, amsat-bb@amsat.org
> Date: Sunday, April 25, 2010, 12:52 PM
>
> I find that 436.795 works best for me. But it's an FM
> downlink (so you have the capture effect on your side),
> you've got Doppler to deal with, and every rig is different
> anyway. So I'd advise that you just play with it a bit
> and see what's best for you. Either one is a
> reasonable starting point.
>
> Greg KO6TH
>
>
> > From: k7trkra...@charter.net
> > To: amsat-bb@amsat.org
> > Date: Sun, 25 Apr 2010 10:06:22 -0700
> > Subject: [amsat-bb] AO 27 ?
> >
> > AMSAT shows downlink at 436.795
>
> >
> >
> >
> > AO27 site shows downlink at 436.797
> >
> >
> >
> > What is the correct frequency?
> >
> > ___
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>
>
>
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[amsat-bb] Re: AO 27 ?

[Clint Bradford]

On the 440 side during a 45-degree pass, there can be almost a 10kHZ deviation 
- well, plus or minus about 5kHZ from center - that must be accommodated for 
the Doppler effect.

So either of those two (actually BOTH) could/should be programmed on your 
receive side, along with a few more to accommodate Doppler.

Clint, K6LCS
http://www.work-sat.com
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[amsat-bb] Re: AO 27 ?

[John Geiger]

I start at 436.805 which seems about right for the doppler shift at the 
beginning of the pass.

73s John AA5JG

--- On Sun, 4/25/10, Greg D.  wrote:

> From: Greg D. 
> Subject: [amsat-bb] Re: AO 27 ?
> To: k7trkra...@charter.net, amsat-bb@amsat.org
> Date: Sunday, April 25, 2010, 12:52 PM
> 
> I find that 436.795 works best for me.  But it's an FM
> downlink (so you have the capture effect on your side),
> you've got Doppler to deal with, and every rig is different
> anyway.  So I'd advise that you just play with it a bit
> and see what's best for you.  Either one is a
> reasonable starting point.
> 
> Greg  KO6TH
> 
> 
> > From: k7trkra...@charter.net
> > To: amsat-bb@amsat.org
> > Date: Sun, 25 Apr 2010 10:06:22 -0700
> > Subject: [amsat-bb]  AO 27 ?
> > 
> > AMSAT shows downlink at 436.795     
>     
> > 
> >  
> > 
> > AO27 site shows downlink at 436.797
> > 
> >  
> > 
> > What is the correct frequency?
> > 
> > ___
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> 
>       
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[amsat-bb] Re: AO 27 ?

[George Henry]

I split the difference and plugged 436.796 into the Doppler.SQF file for 
SatPC32, but I also use the AFC on my 910H, so it really doesn't matter - 
the software takes care of the doppler error, and the AFC takes care of any 
error in the actual satellite frequency.

George, KA3HSW


- Original Message - 
From: "Ted" 
To: 
Sent: Sunday, April 25, 2010 12:06 PM
Subject: [amsat-bb] AO 27 ?


> AMSAT shows downlink at 436.795
>
>
>
> AO27 site shows downlink at 436.797
>
>
>
> What is the correct frequency?

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[amsat-bb] Re: AO 27 ?

[Greg D.]

I find that 436.795 works best for me.  But it's an FM downlink (so you have 
the capture effect on your side), you've got Doppler to deal with, and every 
rig is different anyway.  So I'd advise that you just play with it a bit and 
see what's best for you.  Either one is a reasonable starting point.

Greg  KO6TH


> From: k7trkra...@charter.net
> To: amsat-bb@amsat.org
> Date: Sun, 25 Apr 2010 10:06:22 -0700
> Subject: [amsat-bb]  AO 27 ?
> 
> AMSAT shows downlink at 436.795  
> 
>  
> 
> AO27 site shows downlink at 436.797
> 
>  
> 
> What is the correct frequency?
> 
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[amsat-bb] Re: AO 27 ?

[Andrew Glasbrenner]

Ted wrote:
> AMSAT shows downlink at 436.795  
>
>  
>
> AO27 site shows downlink at 436.797
>
>  
>
> What is the correct frequency?
>
>   
The difference is "in the noise". It's an FM downlink, so either or both 
are close enough to hear it, and the difference may be as much as your 
receiver is off frequency. Pick either and adjust for best results on 
your individual receiver.

73, Drew KO4MA
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[amsat-bb] Re: AO-27 Event Timing

[George Henry]

The listings on the AO-27 website are not correct at this time   this
happens every once in a while, where the website gets out-of-sync with the
satellite for some reason (it's about 7 minutes behind right now).

If you use the Java schedule lister instead, written by my son, you will get
accurate listings.  The lister is available to download at
http://sites.google.com/site/ao27satellitescheduler.  Many users here on the
BB will vouch for its accuracy.

George, KA3HSW


- Original Message - 
From: "Rowland Archer" 
To: 
Sent: Sunday, February 07, 2010 1:05 PM
Subject: [amsat-bb] AO-27 Event Timing


> About a month ago the events that turn AO-27 on and off seemed to be
> timed so it would be on as it passed over North America.  More
> recently, for the passes I check (more than 10 degrees here in NC),
> it seems like according to schedule on www.ao27.org, the "ON" time is
> when the bird has pretty much finished its pass.
>
> For example, right now at 1858, the footprint of AO-27 neatly covers
> much of the US and Canada, yet according to the website the next "ON"
> event is at 1906, one minute before I lose the satellite completely.
>
> Is this intentional or "just the way it is?" Does it slowly cycle the
> ON time so it is ON for passes in different parts of the world?
>
> 73,
> Rowland K4XD
>

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[amsat-bb] Re: AO-27 Event Timing

[George Henry]

Correction...  the website is about 10 minutes behind the satellite now.


George, KA3HSW
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[amsat-bb] Re: AO-27 Schedule lister problem

[George Henry]

A new version of the schedule lister is now available to download at

http://sites.google.com/site/ao27satellitescheduler

This version corrects the issue of stale data files being downloaded from an 
old URL.  It also increases the refresh rate to every 5 seconds, instead of 
10.

Enjoy!!!


George, KA3HSW

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[amsat-bb] Re: AO-27 and AO-51 Friday PST

[Clint Bradford]

 >> ... W6FOG was on an AO-27 pass yesterday afternoon ...

It was a pleasure working you on both '51 and '27 yesterday, Patrick!

There were a couple "first-timers" on the air - it was a great pair o'  
passes!

Clint
http://www.work-sat.com
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[amsat-bb] Re: AO-27

[Rodney Waln]

i am not sure, you should be able to do good with your elevation there,
if you are putting any power out a all, 1 watt plus you should be doing good,
i have worked it with my FT-50 and the ducky, is your transmit power ok,
or do you have some local qrm from the AF base??
 
try to program in terry peak repeater 147.030 + 146.2pl
and if you can hit that from your location
you should able to do all the FM sats, if that helps,
at least see if your TX is ok,
Rodney
kc0zhf
 
 
 
 
>Am I doing something wrong or is AO-27 just very hard to hit with a
>FT-60R  handheld, and ELK ant?  I have no problems hearing it but
>working it is another thing!!



  
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[amsat-bb] Re: AO-27

[John W Lee]

I actually thought it was one of the easiest ones to hit. 
Are  you transmitting on 145.850 ? 

73
John, K6YK

 
On Mon, 17 Aug 2009 16:56:26 -0600 Jerry Felts 
writes:
> Am I doing something wrong or is AO-27 just very hard to hit with a
> FT-60R  handheld, and ELK ant?  I have no problems hearing it but
> working it is another thing!!
> 
> -- 
> Jerry - NR5A - South Dakota
> http://nr5abikeblog.blogspot.com/
> http://nr5abeaconblog.blogspot.com/
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> 
 

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[amsat-bb] Re: AO-27

[Jim Jerzycke]

Yep, the first time we heard it, my son looked at me and said "Packet!".
Jim

--- On Mon, 8/17/09, Chris Bloy  wrote:

From: Chris Bloy 
Subject: [amsat-bb] Re: AO-27
To: amsat-bb@amsat.org
Date: Monday, August 17, 2009, 11:04 AM

Hi Jim,

This is the Whole Orbit Data stream, it contains the battery status and 
solar panel voltages for the orbit.

It can be decoded by using a TNC or via a software TNC...

Thanks,

Chris - M0DQO

Jim Jerzycke wrote:
> I asked this question after working AO-27 on Field day. There's a data burst 
> right before it switches into repeater mode, and another one when it switches 
> back out.
> It's related to the timer that turns it on and off on each pass.
> jim  KQ6EA
>
> --- On Sun, 8/16/09, Jerry Felts  wrote:
>
> From: Jerry Felts 
> Subject: [amsat-bb]  AO-27
> To: amsat-bb@amsat.org
> Date: Sunday, August 16, 2009, 3:14 PM
>
> Just tried to worknthe AO-27 pass a few minutes ago but my lil FT-60R
> and ELK Ant could not cut it.   What is the digital signal at the
> beginnig and end of the pass?
>
>   
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[amsat-bb] Re: AO-27

[Chris Bloy]

Hi Jim,

This is the Whole Orbit Data stream, it contains the battery status and 
solar panel voltages for the orbit.

It can be decoded by using a TNC or via a software TNC...

Thanks,

Chris - M0DQO

Jim Jerzycke wrote:
> I asked this question after working AO-27 on Field day. There's a data burst 
> right before it switches into repeater mode, and another one when it switches 
> back out.
> It's related to the timer that turns it on and off on each pass.
> jim  KQ6EA
>
> --- On Sun, 8/16/09, Jerry Felts  wrote:
>
> From: Jerry Felts 
> Subject: [amsat-bb]  AO-27
> To: amsat-bb@amsat.org
> Date: Sunday, August 16, 2009, 3:14 PM
>
> Just tried to worknthe AO-27 pass a few minutes ago but my lil FT-60R
> and ELK Ant could not cut it.   What is the digital signal at the
> beginnig and end of the pass?
>
>   
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[amsat-bb] Re: AO-27

[Jim Jerzycke]

I asked this question after working AO-27 on Field day. There's a data burst 
right before it switches into repeater mode, and another one when it switches 
back out.
It's related to the timer that turns it on and off on each pass.
jim  KQ6EA

--- On Sun, 8/16/09, Jerry Felts  wrote:

From: Jerry Felts 
Subject: [amsat-bb]  AO-27
To: amsat-bb@amsat.org
Date: Sunday, August 16, 2009, 3:14 PM

Just tried to worknthe AO-27 pass a few minutes ago but my lil FT-60R
and ELK Ant could not cut it.   What is the digital signal at the
beginnig and end of the pass?

-- 
Jerry - NR5A - South Dakota
http://nr5abikeblog.blogspot.com/
http://nr5abeaconblog.blogspot.com/
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[amsat-bb] Re: AO-27 telemetry software

[Rodney Waln]

net search came up with is,
he has a great listing of Telemetry decoders
 
 
http://www.dk3wn.info/software.shtml
 
Rodney kc0zhf


  
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[amsat-bb] Re: AO-27 Question

[George Henry]

Thanks for plugging my son's program, Greg!   I've been amazed at how 
accurate it is  mode changes typically occur within seconds of predicted 
times, and, as the AO-27 site notes, the onboard clock can be up to 10 
seconds off.

73,

George, KA3HSW


- Original Message - 
From: "Greg D." 
To: ; 
Sent: Sunday, June 28, 2009 1:02 PM
Subject: [amsat-bb] Re: AO-27 Question



Hi Jim,

Interesting...  That was probably the pass I was trying to work AO-27 too, 
but I didn't have any success at all.  All I got back was hash, with others 
audible below it.  I think my uplink was interfering my downlink locally, 
though it went away after the pass.  Gotta work on that.

But, in answer to your question, the satellite has a scheduled sequence that 
it goes through.  There's a program to predict when the different phases are 
going to kick in, downloadable from 
http://sites.google.com/site/ao27satellitescheduler/ and it shows exactly 
what you and I experienced during the pass.  I suspect it appeared like the 
satellite turned on with conversations already in progress because they 
jumped the gun a bit on the uplink, or weren't aware of the timer and were 
transmitting without being able to hear anything.  The digital parts of the 
pass are telemetry, and you can decode and contribute what you hear to the 
archive.  The main page is http://www.ao27.org.

Enjoy,

Greg  KO6TH


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[amsat-bb] Re: AO-27 Question

[Greg D.]

Hi Jim,

Interesting...  That was probably the pass I was trying to work AO-27 too, but 
I didn't have any success at all.  All I got back was hash, with others audible 
below it.  I think my uplink was interfering my downlink locally, though it 
went away after the pass.  Gotta work on that.

But, in answer to your question, the satellite has a scheduled sequence that it 
goes through.  There's a program to predict when the different phases are going 
to kick in, downloadable from 
http://sites.google.com/site/ao27satellitescheduler/ and it shows exactly what 
you and I experienced during the pass.  I suspect it appeared like the 
satellite turned on with conversations already in progress because they jumped 
the gun a bit on the uplink, or weren't aware of the timer and were 
transmitting without being able to hear anything.  The digital parts of the 
pass are telemetry, and you can decode and contribute what you hear to the 
archive.  The main page is http://www.ao27.org.

Enjoy,

Greg  KO6TH


> Date: Sat, 27 Jun 2009 22:50:49 -0700
> From: kq...@pacbell.net
> To: amsat-bb@amsat.org
> Subject: [amsat-bb]  AO-27 Question
> 
> Hi, everybody.
> Today at Field Day was the first time I tried to work AO-27, and succeeded. 
> One thing I noticed, is that as the satellite came up over the horizon, I 
> wasn't hearing anything until what sounded like a long data burst happened. 
> Then I heard the sat come alive, with what sounded like people already in 
> QSO. As the sat progressed, I heard a lot of operators, then the long data 
> burst happened again, and it seemed like the sat went "dead" I know a bit 
> about how it's scheduled (TOPR), but since this is the first time I was able 
> to hear it well enough to actually consider it usable.
> What's the data burst? Is it part of the TOPR, or am I hearing something else?
> 73, Jim  KQ6EA
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[amsat-bb] Re: AO-27 question

[Jim Jerzycke]

Tanks, everybody.
I suspected that's what was happening, and reading the AO-27 pages "kinda 
sorta" confirmed it, but I'd just never *heard* the bird before.
Guess my receive setup is working as expected!
73, Jim  KQ6EA
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[amsat-bb] Re: AO-27 Question

[Luc Leblanc]

On 27 Jun 2009 at 22:50, Jim Jerzycke wrote:

> Hi, everybody.
> Today at Field Day was the first time I tried to work AO-27, and succeeded. 
> One thing I noticed, is that as the satellite came up over the horizon, I 
> wasn't hearing anything until what sounded like a long data burst happened. 
> Then I heard the sat come alive, with what sounded like people already in 
> QSO. As the sat progressed, I heard a lot of operators, then the long data 
> burst happened again, and it seemed like the sat went "dead" I know a bit 
> about how it's scheduled (TOPR), but since this is the first time I was able 
> to hear it well enough to actually consider it usable.
> What's the data burst? Is it part of the TOPR, or am I hearing something else?
> 73, Jim  KQ6EA

AO-27 alternate between analog and telemetry date session see below and check 
their web site at http://www.ao27.org/AO27/index.shtml


Current Time UTC => Sun Jun 28 10:58:47 2009
Schedule Time=> 00:51:32
Current State=> 7
 Mode=> OFF
   Remaining => 00:49:16

Next Event   UTC => Sun Jun 28 11:48:03 2009
State=> 0
 Mode=> Digital Med

TOPR Epoch  (UTC) = Sat Jun 13 18:58:13 2009
TOPR Epoch(ctime) = 1244919493
Schedule Period (sec) = 6048.524

State  Start Time  End Time  Duration(sec)  Mode

  0 00:00:00   00:00:20   20Digital Med
  1 00:00:20   00:07:20  420Analogue Med
  2 00:07:20   00:08:20   60Digital Med
  3 00:08:20   00:32:01 1421OFF
  4 00:32:01   00:33:01   60OFF
  5 00:33:01   00:33:21   20OFF
  6 00:33:21   00:33:41   20OFF
  7 00:33:41   01:40:48 4027OFF

"-"


Luc Leblanc VE2DWE
Skype VE2DWE
www.qsl.net/ve2dwe
WAC BASIC CW PHONE SATELLITE

 

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[amsat-bb] Re: AO-27 Question

[Alan P. Biddle]

Jim,

AO-27 always, at least under normal conditions, structures its operating
period in blocks, including that leading telemetry burst.  You can see the
schedule here:

http://www.ao27.org/AO27/listing.shtml

73s,

Alan
WA4SCA



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[amsat-bb] Re: AO-27 to the south

[David - KG4ZLB]

That's about what I observe too David. I am the other side of the State 
to Sebastian and find that on any pass south to north, it is switching 
to analogue between three quarters of the way up FL and the middle of 
the Country.

David
KG4ZLB



Sebastian wrote:
> Hi David.
>
> I live in the southern part of the state of Florida, and from my  
> observations, it seems AO-27 turns on when it's near the center of the  
> USA.  From looking at the footprint, that puts me in range for perhaps  
> 5 minutes, and most of Mexico for about the same amount of time.  This  
> of course is when the bird is usable for me.
>
> You can check the official AO-27 homepage, where there is a link for  
> the status of the satellite for a 24 hour period here: 
> http://www.ao27.org/AO27/index.shtml
>
> 73 de W4AS
> Sebastian
>
> On Apr 26, 2009, at 9:58 PM, David Giles wrote:
>
>   
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>   

-- 
David
KG4ZLB
www.kg4zlb.com

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[amsat-bb] Re: AO-27 to the south

[Sebastian]

Hi David.

I live in the southern part of the state of Florida, and from my  
observations, it seems AO-27 turns on when it's near the center of the  
USA.  From looking at the footprint, that puts me in range for perhaps  
5 minutes, and most of Mexico for about the same amount of time.  This  
of course is when the bird is usable for me.

You can check the official AO-27 homepage, where there is a link for  
the status of the satellite for a 24 hour period here: 
http://www.ao27.org/AO27/index.shtml

73 de W4AS
Sebastian

On Apr 26, 2009, at 9:58 PM, David Giles wrote:

> Hello to all in the northern hemisphere.
>
> It is well known that AO-27 is only activated for limited periods in  
> the
> northern hemisphere.  But what is the furtherest south that it can be
> heard?  Also, is it only activated near North America or is it  
> turned on
> every orbit?
>
> 73 de David VK5DG
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