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CX2SA > SATDIG 27.10.11 17:22l 1199 Lines 36431 Bytes #999 (0) @ WW
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To : SATDIG@WW
Today's Topics:
1. Qsl Cards (Kevin Deane)
2. Re: Qsl Cards (Dave Webb KB1PVH)
3. Re: [Re: Prospero] Commanding Error (Tony Abbey)
4. AO-51 22:13 Today (Kevin Deane)
5. ARISSat-1 Cincinnati Pass 21:14 Oct 26 (Farrell Winder)
6. Re: [Re: Prospero] Commanding Error (g.shirville@xxxxxxxxxx.xxxx
7. Re: [Re: Prospero] Commanding Error (PE0SAT)
8. Re: [Re: Prospero] Commanding Error (Roger Duthie)
9. Re: [Re: Prospero] Commanding Error (Tony Abbey)
10. 5 in em55 (wa4hfn@xxxxxxx.xxxx
11. [amsat-bb]
HudsonValleySatcomGroupNetTonight10/27@xxxxxxxxxxxxxxxxxxxxxxxxxxx
(cotejaune2@xxx.xxxx
12. Satellite QSO's and LoTW (Jeff Welsh)
13. Re: [Re: Prospero] Commanding Error (Tony Abbey)
14. Re: [Re: Prospero] Commanding Error (Roger Duthie)
----------------------------------------------------------------------
Message: 1
Date: Wed, 26 Oct 2011 12:31:37 -0700
From: Kevin Deane <summit496@xxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Qsl Cards
Message-ID: <COL107-W26457C1964A46E3CED52A883ED0@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
I made some cards that the ink wont wear off of them, sorry for those that
did. Anyway there were a couple people that e-mailed me that did not get
them from the DN and lower DM area's and I had it all written out but seem
to have lost the paper.
So anyone needing those cards or any others email me the info again and I
will get'em out!
I do enjoy this part of the Hobby as well!
Kevin
KF7MYK
------------------------------
Message: 2
Date: Wed, 26 Oct 2011 16:06:28 -0400
From: Dave Webb KB1PVH <kb1pvh@xxxxx.xxx>
To: Kevin Deane <summit496@xxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Qsl Cards
Message-ID:
<CAEMY9FcNV9wEArRuQ=KoYC=T=VeB3vmorG2xpH_ozDCdQq5sfw@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Kevin,
There you go calling this hobby a hobby again.....trouble maker.
Dave - KB1PVH
Sent from my Verizon Wireless DROID X
On Oct 26, 2011 3:48 PM, "Kevin Deane" <summit496@xxxx.xxx> wrote:
>
> I made some cards that the ink wont wear off of them, sorry for those that
> did. Anyway there were a couple people that e-mailed me that did not get
> them from the DN and lower DM area's and I had it all written out but seem
> to have lost the paper.
>
> So anyone needing those cards or any others email me the info again and I
> will get'em out!
>
> I do enjoy this part of the Hobby as well!
>
> Kevin
> KF7MYK
>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 3
Date: Wed, 26 Oct 2011 20:56:04 +0100
From: Tony Abbey <afa3@xxxxxxxxx.xx.xx>
To: "rjad@xxxx.xxx.xx.xxx <rjad@xxxx.xxx.xx.xx>
Cc: Phil Guttridge <prg@xxxx.xxx.xx.xx>, amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
Message-ID: <6380B8D7-AA4D-4CE1-B7F7-F477F76A214C@xxxx.xxx.xx.xx.xx>
Content-Type: text/plain; charset=us-ascii
Hi Roger
Nothing other than the chuff- chuff on the 1600 pass. And as you said, its
also there with Prospero over the horizon. I 'm not using a beam presently -
using a 360deg parasitic Lindenblad for circular polarisation, but it is
susceptible to all the high power pager stuff nearby. Its just strange that
there are elements shifting in frequency in the chuff chuff like a signal
from a real satellite.
Have just come back from a Rosat re-entry celebration!
Tony Abbey - Senior Research Fellow (retired)
Space Research Centre
Dept of Physics and Astronomy
University of Leicester
University Road SRC Web page: http://www.src.le.ac.uk
LEICESTER LE1 7RH, United Kingdom
On 26 Oct 2011, at 16:17, Roger Duthie wrote:
> Tony -
>
> We heard something intriguing after about 14:43:40 UT as the tracking said
the satellite was on it's way off to the north pole.
>
> The 'chuff-chuff' description reminds me of a sound we seem to hear quite
a lot. Quite often it coincides with a pass, though I think we hear the
same (or very similar) during times when Prospero is over the horizon.
>
> We are going to try the next pass at ~16:00UT if you want to listen in
again. Our new ploy is to wait for the last most opportune moment to
command, as the power _may_ be at it highest (longest charging of batteries,
potentially). So, we'll do short commanding at above 30o el, and listen.
>
> -Rr.
>
> Tony Abbey wrote:
>>
>> Hi Roger
>>
>> I could hear some "chuff-chuff" noises on the last pass and they show a
related doppler shift (although I am not correcting sufficiently) as you can
see in the attached plot. Maybe its some other noise but you never know.
>>
>> On 26 Oct 2011, at 13:39, Roger Duthie wrote:
>>> Commanding went well, from as far as we could make out. We're not sure
if we're getting anything back, however.
>>>
>>> We'll be doing this pass today, hopefully:
>>>
>>> 26 Oct 7.3 15:31:43 10 S 15:38:26 60 E 15:46:11 10 NNE [Times in BST =
UTC + 1]
>>>
>>> -Roger
>
------------------------------
Message: 4
Date: Wed, 26 Oct 2011 13:42:46 -0700
From: Kevin Deane <summit496@xxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] AO-51 22:13 Today
Message-ID: <COL107-W55D98082D5259B3D01853883ED0@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
Runnin over to DM08 AO-51 22:13 today if anyone else needs it.
Kevin
KF7MYK
------------------------------
Message: 5
Date: Wed, 26 Oct 2011 17:34:44 -0400
From: "Farrell Winder" <fwinder@xxxx.xxx>
To: "AMSAT" <AMSAT-BB@xxxxx.xxx>
Subject: [amsat-bb] ARISSat-1 Cincinnati Pass 21:14 Oct 26
Message-ID: <355A88581C204BC594761A7826150117@xxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
Appreciate confirmation of station calling W8ZCF on subject ARISSat Pass.
Was it W9ORD ?? Freq had QRM from local BC station harmonic.
Thanks to station calling.
Farrell Winder, W8ZCF, Cincinnati Ohio
------------------------------
Message: 6
Date: Thu, 27 Oct 2011 09:04:13 +0100
From: <g.shirville@xxxxxxxxxx.xxx>
To: "Tony Abbey" <afa3@xxxxxxxxx.xx.xx>, <rjad@xxxx.xxx.xx.xx>
Cc: Phil Guttridge <prg@xxxx.xxx.xx.xx>, amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
Message-ID: <652BE531BD1C4603B9A109CA3189F840@xxxxxxx.xxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Hi Tony,
The chuff chuff noises are from space...they are a sort of beacon carried on
every Orbcomm satellite. They are 125msec long pulses of 57.6kb data and
have a bandwidth of around 50kHz. They are quite distinctive when you only
hear one at a time but sometimes one can hear two or more signals at the
same time and that sort of changes the sound:)
73
Graham
G3VZV
-----Original Message-----
From: Tony Abbey
Sent: Wednesday, October 26, 2011 8:56 PM
To: rjad@xxxx.xxx.xx.xx
Cc: Phil Guttridge ; amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
Hi Roger
Nothing other than the chuff- chuff on the 1600 pass. And as you said, its
also there with Prospero over the horizon. I 'm not using a beam presently -
using a 360deg parasitic Lindenblad for circular polarisation, but it is
susceptible to all the high power pager stuff nearby. Its just strange that
there are elements shifting in frequency in the chuff chuff like a signal
from a real satellite.
Have just come back from a Rosat re-entry celebration!
Tony Abbey - Senior Research Fellow (retired)
Space Research Centre
Dept of Physics and Astronomy
University of Leicester
University Road SRC Web page: http://www.src.le.ac.uk
LEICESTER LE1 7RH, United Kingdom
On 26 Oct 2011, at 16:17, Roger Duthie wrote:
> Tony -
>
> We heard something intriguing after about 14:43:40 UT as the tracking said
> the satellite was on it's way off to the north pole.
>
> The 'chuff-chuff' description reminds me of a sound we seem to hear quite
> a lot. Quite often it coincides with a pass, though I think we hear the
> same (or very similar) during times when Prospero is over the horizon.
>
> We are going to try the next pass at ~16:00UT if you want to listen in
> again. Our new ploy is to wait for the last most opportune moment to
> command, as the power _may_ be at it highest (longest charging of
> batteries, potentially). So, we'll do short commanding at above 30o el,
> and listen.
>
> -Rr.
>
> Tony Abbey wrote:
>>
>> Hi Roger
>>
>> I could hear some "chuff-chuff" noises on the last pass and they show a
>> related doppler shift (although I am not correcting sufficiently) as you
>> can see in the attached plot. Maybe its some other noise but you never
>> know.
>>
>> On 26 Oct 2011, at 13:39, Roger Duthie wrote:
>>> Commanding went well, from as far as we could make out. We're not sure
>>> if we're getting anything back, however.
>>>
>>> We'll be doing this pass today, hopefully:
>>>
>>> 26 Oct 7.3 15:31:43 10 S 15:38:26 60 E 15:46:11 10 NNE [Times in BST =
>>> UTC + 1]
>>>
>>> -Roger
>
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 7
Date: Thu, 27 Oct 2011 13:52:13 +0200
From: "PE0SAT" <pe0sat@xxxxx.xx>
To: g.shirville@xxxxxxxxxx.xxx
Cc: Phil Guttridge <prg@xxxx.xxx.xx.xx>, amsat-bb@xxxxx.xxxx
rjad@xxxx.xxx.xx.xxx Tony Abbey <afa3@xxxxxxxxx.xx.xx>
Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
Message-ID: <20111027115213.240001A332@xx.xxxxx.xx>
Content-Type: text/plain;charset=iso-8859-1
Hi,
I have a spectrogram and a recording of that "chuff chuff" on
http://www.pe0sat.vgnet.nl/satellite/sat-history/prospero/
Is it the same you guys heard?
73 Jan PE0SAT
On Thu, October 27, 2011 10:04, g.shirville@xxxxxxxxxx.xxx wrote:
> Hi Tony,
>
> The chuff chuff noises are from space...they are a sort of beacon carried
> on
> every Orbcomm satellite. They are 125msec long pulses of 57.6kb data and
> have a bandwidth of around 50kHz. They are quite distinctive when you only
> hear one at a time but sometimes one can hear two or more signals at the
> same time and that sort of changes the sound:)
>
> 73
>
> Graham
> G3VZV
>
> -----Original Message-----
> From: Tony Abbey
> Sent: Wednesday, October 26, 2011 8:56 PM
> To: rjad@xxxx.xxx.xx.xx
> Cc: Phil Guttridge ; amsat-bb@xxxxx.xxx
> Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
>
> Hi Roger
>
> Nothing other than the chuff- chuff on the 1600 pass. And as you said, its
> also there with Prospero over the horizon. I 'm not using a beam presently
> -
> using a 360deg parasitic Lindenblad for circular polarisation, but it is
> susceptible to all the high power pager stuff nearby. Its just strange
> that
> there are elements shifting in frequency in the chuff chuff like a signal
> from a real satellite.
> Have just come back from a Rosat re-entry celebration!
>
> Tony Abbey - Senior Research Fellow (retired)
> Space Research Centre
> Dept of Physics and Astronomy
> University of Leicester
> University Road SRC Web page: http://www.src.le.ac.uk
> LEICESTER LE1 7RH, United Kingdom
>
>
>
>
>
> On 26 Oct 2011, at 16:17, Roger Duthie wrote:
>
>> Tony -
>>
>> We heard something intriguing after about 14:43:40 UT as the tracking
>> said
>> the satellite was on it's way off to the north pole.
>>
>> The 'chuff-chuff' description reminds me of a sound we seem to hear
>> quite
>> a lot. Quite often it coincides with a pass, though I think we hear the
>> same (or very similar) during times when Prospero is over the horizon.
>>
>> We are going to try the next pass at ~16:00UT if you want to listen in
>> again. Our new ploy is to wait for the last most opportune moment to
>> command, as the power _may_ be at it highest (longest charging of
>> batteries, potentially). So, we'll do short commanding at above 30o el,
>> and listen.
>>
>> -Rr.
>>
>> Tony Abbey wrote:
>>>
>>> Hi Roger
>>>
>>> I could hear some "chuff-chuff" noises on the last pass and they show a
>>> related doppler shift (although I am not correcting sufficiently) as
>>> you
>>> can see in the attached plot. Maybe its some other noise but you never
>>> know.
>>>
>>> On 26 Oct 2011, at 13:39, Roger Duthie wrote:
>>>> Commanding went well, from as far as we could make out. We're not
>>>> sure
>>>> if we're getting anything back, however.
>>>>
>>>> We'll be doing this pass today, hopefully:
>>>>
>>>> 26 Oct 7.3 15:31:43 10 S 15:38:26 60 E 15:46:11 10 NNE [Times in BST =
>>>> UTC + 1]
>>>>
>>>> -Roger
>>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
--
With regards Jan H. van Gils
Internet web-page http://www.VGNet.NL/
Internet e-mail address JanVG[at]VGNet.NL
------------------------------
Message: 8
Date: Thu, 27 Oct 2011 13:33:15 +0100
From: Roger Duthie <rjad@xxxx.xxx.xx.xx>
To: pe0sat@xxxxx.xx
Cc: Phil Guttridge <prg@xxxx.xxx.xx.xx>, amsat-bb@xxxxx.xxxxxxxxx
Abbey <afa3@xxxxxxxxx.xx.xx>
Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
Message-ID: <4EA94F8B.3020500@xxxx.xxx.xx.xx>
Content-Type: text/plain; charset=iso-8859-1; format=flowed
Well, we're hearing something like that. Though we hear this a lot, we
also wonder whether we''re seeing an envelope during the Prospero pass
times.
The passes for today (BST) [from Heavens-Above]:
27 Oct
<http://www.heavens-above.com/Gtrack.aspx?Session=kebgfdallldcgimjaonedkpf&sat
id=5580&date=40843.617613831>
7.2 15:42:26 10 S 15:49:21 77 E 15:57:21 10 NNE
27 Oct
<http://www.heavens-above.com/Gtrack.aspx?Session=kebgfdallldcgimjaonedkpf&sat
id=5580&date=40843.6908054167>
8.7 17:28:31 10 WSW 17:34:45 31 WNW 17:41:39 10 N
Also, I've started a Twitter hashtag for anyone using this mode of
communication: #Prospero40 Add this to any Twitter messages you might
write about Prospero or related subjects.
-Roger
PE0SAT wrote:
> Hi,
>
> I have a spectrogram and a recording of that "chuff chuff" on
> http://www.pe0sat.vgnet.nl/satellite/sat-history/prospero/
>
> Is it the same you guys heard?
>
> 73 Jan PE0SAT
>
>
> On Thu, October 27, 2011 10:04, g.shirville@xxxxxxxxxx.xxx wrote:
>
>> Hi Tony,
>>
>> The chuff chuff noises are from space...they are a sort of beacon carried
>> on
>> every Orbcomm satellite. They are 125msec long pulses of 57.6kb data and
>> have a bandwidth of around 50kHz. They are quite distinctive when you only
>> hear one at a time but sometimes one can hear two or more signals at the
>> same time and that sort of changes the sound:)
>>
>> 73
>>
>> Graham
>> G3VZV
>>
>> -----Original Message-----
>> From: Tony Abbey
>> Sent: Wednesday, October 26, 2011 8:56 PM
>> To: rjad@xxxx.xxx.xx.xx
>> Cc: Phil Guttridge ; amsat-bb@xxxxx.xxx
>> Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
>>
>> Hi Roger
>>
>> Nothing other than the chuff- chuff on the 1600 pass. And as you said, its
>> also there with Prospero over the horizon. I 'm not using a beam presently
>> -
>> using a 360deg parasitic Lindenblad for circular polarisation, but it is
>> susceptible to all the high power pager stuff nearby. Its just strange
>> that
>> there are elements shifting in frequency in the chuff chuff like a signal
>> from a real satellite.
>> Have just come back from a Rosat re-entry celebration!
>>
>> Tony Abbey - Senior Research Fellow (retired)
>> Space Research Centre
>> Dept of Physics and Astronomy
>> University of Leicester
>> University Road SRC Web page: http://www.src.le.ac.uk
>> LEICESTER LE1 7RH, United Kingdom
>>
>>
>>
>>
>>
>> On 26 Oct 2011, at 16:17, Roger Duthie wrote:
>>
>>
>>> Tony -
>>>
>>> We heard something intriguing after about 14:43:40 UT as the tracking
>>> said
>>> the satellite was on it's way off to the north pole.
>>>
>>> The 'chuff-chuff' description reminds me of a sound we seem to hear
>>> quite
>>> a lot. Quite often it coincides with a pass, though I think we hear the
>>> same (or very similar) during times when Prospero is over the horizon.
>>>
>>> We are going to try the next pass at ~16:00UT if you want to listen in
>>> again. Our new ploy is to wait for the last most opportune moment to
>>> command, as the power _may_ be at it highest (longest charging of
>>> batteries, potentially). So, we'll do short commanding at above 30o el,
>>> and listen.
>>>
>>> -Rr.
>>>
>>> Tony Abbey wrote:
>>>
>>>> Hi Roger
>>>>
>>>> I could hear some "chuff-chuff" noises on the last pass and they show a
>>>> related doppler shift (although I am not correcting sufficiently) as
>>>> you
>>>> can see in the attached plot. Maybe its some other noise but you never
>>>> know.
>>>>
>>>> On 26 Oct 2011, at 13:39, Roger Duthie wrote:
>>>>
>>>>> Commanding went well, from as far as we could make out. We're not
>>>>> sure
>>>>> if we're getting anything back, however.
>>>>>
>>>>> We'll be doing this pass today, hopefully:
>>>>>
>>>>> 26 Oct 7.3 15:31:43 10 S 15:38:26 60 E 15:46:11 10 NNE [Times in BST =
>>>>> UTC + 1]
>>>>>
>>>>> -Roger
>>>>>
>> _______________________________________________
>> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>>
>> _______________________________________________
>> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>>
>>
>
>
>
--
---
Roger J A Duthie
PhD Candidate
Plasma Group
Department of Space & Climate Physics
UCL, London
w: +44(0)1483 204 100 ext 2299
m: +44(0)7938 55 70 44
------------------------------
Message: 9
Date: Thu, 27 Oct 2011 14:40:16 +0100
From: Tony Abbey <afa3@xxxxxxxxx.xx.xx>
To: "pe0sat@xxxxx.xxx <pe0sat@xxxxx.xx>
Cc: Phil Guttridge <prg@xxxx.xxx.xx.xx>, amsat-bb@xxxxx.xxxx
"rjad@xxxx.xxx.xx.xx Duthie" <rjad@xxxx.xxx.xx.xx>
Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
Message-ID: <C8C3A3DB-07A9-4CF6-BA40-AAF8AF4213CA@xxxx.xxx.xx.xx.xx>
Content-Type: text/plain; charset=us-ascii
Hi Jan
Yes - that's exactly the sound I have been receiving. I tried putting in the
TLE for an Orbcomm sat when Graham told me about them, and the doppler
correction seemed to match.
Tony Abbey (G3OVH) - Senior Research Fellow (retired)
Space Research Centre
Dept of Physics and Astronomy
University of Leicester
University Road SRC Web page: http://www.src.le.ac.uk
LEICESTER LE1 7RH, United Kingdom
On 27 Oct 2011, at 12:52, PE0SAT wrote:
>
> Hi,
>
> I have a spectrogram and a recording of that "chuff chuff" on
> http://www.pe0sat.vgnet.nl/satellite/sat-history/prospero/
>
> Is it the same you guys heard?
>
> 73 Jan PE0SAT
>
>
> On Thu, October 27, 2011 10:04, g.shirville@xxxxxxxxxx.xxx wrote:
>> Hi Tony,
>>
>> The chuff chuff noises are from space...they are a sort of beacon carried
>> on
>> every Orbcomm satellite. They are 125msec long pulses of 57.6kb data and
>> have a bandwidth of around 50kHz. They are quite distinctive when you only
>> hear one at a time but sometimes one can hear two or more signals at the
>> same time and that sort of changes the sound:)
>>
>> 73
>>
>> Graham
>> G3VZV
>>
>> -----Original Message-----
>> From: Tony Abbey
>> Sent: Wednesday, October 26, 2011 8:56 PM
>> To: rjad@xxxx.xxx.xx.xx
>> Cc: Phil Guttridge ; amsat-bb@xxxxx.xxx
>> Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
>>
>> Hi Roger
>>
>> Nothing other than the chuff- chuff on the 1600 pass. And as you said, its
>> also there with Prospero over the horizon. I 'm not using a beam presently
>> -
>> using a 360deg parasitic Lindenblad for circular polarisation, but it is
>> susceptible to all the high power pager stuff nearby. Its just strange
>> that
>> there are elements shifting in frequency in the chuff chuff like a signal
>> from a real satellite.
>> Have just come back from a Rosat re-entry celebration!
>>
>> Tony Abbey - Senior Research Fellow (retired)
>> Space Research Centre
>> Dept of Physics and Astronomy
>> University of Leicester
>> University Road SRC Web page: http://www.src.le.ac.uk
>> LEICESTER LE1 7RH, United Kingdom
>>
>>
>>
>>
>>
>> On 26 Oct 2011, at 16:17, Roger Duthie wrote:
>>
>>> Tony -
>>>
>>> We heard something intriguing after about 14:43:40 UT as the tracking
>>> said
>>> the satellite was on it's way off to the north pole.
>>>
>>> The 'chuff-chuff' description reminds me of a sound we seem to hear
>>> quite
>>> a lot. Quite often it coincides with a pass, though I think we hear the
>>> same (or very similar) during times when Prospero is over the horizon.
>>>
>>> We are going to try the next pass at ~16:00UT if you want to listen in
>>> again. Our new ploy is to wait for the last most opportune moment to
>>> command, as the power _may_ be at it highest (longest charging of
>>> batteries, potentially). So, we'll do short commanding at above 30o el,
>>> and listen.
>>>
>>> -Rr.
>>>
>>> Tony Abbey wrote:
>>>>
>>>> Hi Roger
>>>>
>>>> I could hear some "chuff-chuff" noises on the last pass and they show a
>>>> related doppler shift (although I am not correcting sufficiently) as
>>>> you
>>>> can see in the attached plot. Maybe its some other noise but you never
>>>> know.
>>>>
>>>> On 26 Oct 2011, at 13:39, Roger Duthie wrote:
>>>>> Commanding went well, from as far as we could make out. We're not
>>>>> sure
>>>>> if we're getting anything back, however.
>>>>>
>>>>> We'll be doing this pass today, hopefully:
>>>>>
>>>>> 26 Oct 7.3 15:31:43 10 S 15:38:26 60 E 15:46:11 10 NNE [Times in BST =
>>>>> UTC + 1]
>>>>>
>>>>> -Roger
>>>
>>
>> _______________________________________________
>> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>>
>> _______________________________________________
>> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>>
>
>
> --
> With regards Jan H. van Gils
> Internet web-page http://www.VGNet.NL/
> Internet e-mail address JanVG[at]VGNet.NL
>
>
>
------------------------------
Message: 10
Date: Thu, 27 Oct 2011 13:41:49 +0000 (UTC)
From: wa4hfn@xxxxxxx.xxx
To: AMSAT <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] 5 in em55
Message-ID:
<1981390907.1054253.1319722909635.JavaMail.root@xxxxxxx.xxxxxxxxxxx.xx.xxxx.xx
xxxxx.xxx>
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Congrats to Gerry N0JE award #36 5 in em55
WA4HFN
------------------------------
Message: 11
Date: Thu, 27 Oct 2011 09:56:23 -0400 (EDT)
From: cotejaune2@xxx.xxx
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb]
HudsonValleySatcomGroupNetTonight10/27@xxxxxxxxxxxxxxxxxxxxxxxxxxx
Message-ID: <8CE62C758BC4DEE-90C-1EFB8@xxxxxxxxxxxx.xxxxxx.xxx.xxx>
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Hello all.It is time again for the HVSGN. I am sorry for the technical
problems we had during the last net. Please join us and share your satellite
experience with the Net. Hope to hear you there 73 Gary WA2AQH/Tom KC2DTQ
------------------------------
Message: 12
Date: Thu, 27 Oct 2011 10:39:11 -0400
From: Jeff Welsh <jhwelsh@xxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Satellite QSO's and LoTW
Message-ID:
<CAGHdFOS4bkjVkyMWh+kt8O2+nSnr6QzS+pofK8N4SoAfb0awYw@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Morning all,
I was curious what the standard was for Logbook of the World (LoTW)
reporting. Which band do you log your QSO with, Uplink or Downlink?
I've been seeing mix results coming back via LoTW, where HRD Log defaults to
using the downlink frequency although I've had some QSO's report back using
the uplink. I do also log the satellite, mode and propagation type.
Thanks,
--jeff
N3QO
------------------------------
Message: 13
Date: Thu, 27 Oct 2011 16:02:03 +0100
From: Tony Abbey <afa3@xxxxxxxxx.xx.xx>
To: "rjad@xxxx.xxx.xx.xxx <rjad@xxxx.xxx.xx.xx>
Cc: Phil Guttridge <prg@xxxx.xxx.xx.xx>, amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
Message-ID: <67791949-9715-4E7D-811C-603A384E4677@xxxx.xxx.xx.xx.xx>
Content-Type: text/plain; charset=us-ascii
Nothing heard from Prospero here in Leicester, that pass just finished (at
14:57Z)
Just the Orbcomm swooshes.
Tony Abbey - Senior Research Fellow (retired)
Space Research Centre
Dept of Physics and Astronomy
University of Leicester
University Road SRC Web page: http://www.src.le.ac.uk
LEICESTER LE1 7RH, United Kingdom
On 27 Oct 2011, at 13:33, Roger Duthie wrote:
> Well, we're hearing something like that. Though we hear this a lot, we
also wonder whether we''re seeing an envelope during the Prospero pass times.
>
> The passes for today (BST) [from Heavens-Above]:
> 27 Oct 7.2 15:42:26 10 S 15:49:21 77 E 15:57:21 10 NNE
> 27 Oct 8.7 17:28:31 10 WSW 17:34:45 31 WNW 17:41:39 10 N
> Also, I've started a Twitter hashtag for anyone using this mode of
communication: #Prospero40 Add this to any Twitter messages you might write
about Prospero or related subjects.
>
> -Roger
>
> PE0SAT wrote:
>>
>> Hi,
>>
>> I have a spectrogram and a recording of that "chuff chuff" on
>> http://www.pe0sat.vgnet.nl/satellite/sat-history/prospero/
>>
>> Is it the same you guys heard?
>>
>> 73 Jan PE0SAT
>>
>>
>> On Thu, October 27, 2011 10:04, g.shirville@xxxxxxxxxx.xxx wrote:
>>
>>> Hi Tony,
>>>
>>> The chuff chuff noises are from space...they are a sort of beacon carried
>>> on
>>> every Orbcomm satellite. They are 125msec long pulses of 57.6kb data and
>>> have a bandwidth of around 50kHz. They are quite distinctive when you only
>>> hear one at a time but sometimes one can hear two or more signals at the
>>> same time and that sort of changes the sound:)
>>>
>>> 73
>>>
>>> Graham
>>> G3VZV
>>>
>>> -----Original Message-----
>>> From: Tony Abbey
>>> Sent: Wednesday, October 26, 2011 8:56 PM
>>> To: rjad@xxxx.xxx.xx.xx
>>> Cc: Phil Guttridge ; amsat-bb@xxxxx.xxx
>>> Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
>>>
>>> Hi Roger
>>>
>>> Nothing other than the chuff- chuff on the 1600 pass. And as you said, its
>>> also there with Prospero over the horizon. I 'm not using a beam presently
>>> -
>>> using a 360deg parasitic Lindenblad for circular polarisation, but it is
>>> susceptible to all the high power pager stuff nearby. Its just strange
>>> that
>>> there are elements shifting in frequency in the chuff chuff like a signal
>>> from a real satellite.
>>> Have just come back from a Rosat re-entry celebration!
>>>
>>> Tony Abbey - Senior Research Fellow (retired)
>>> Space Research Centre
>>> Dept of Physics and Astronomy
>>> University of Leicester
>>> University Road SRC Web page: http://www.src.le.ac.uk
>>> LEICESTER LE1 7RH, United Kingdom
>>>
>>>
>>>
>>>
>>>
>>> On 26 Oct 2011, at 16:17, Roger Duthie wrote:
>>>
>>>
>>>> Tony -
>>>>
>>>> We heard something intriguing after about 14:43:40 UT as the tracking
>>>> said
>>>> the satellite was on it's way off to the north pole.
>>>>
>>>> The 'chuff-chuff' description reminds me of a sound we seem to hear
>>>> quite
>>>> a lot. Quite often it coincides with a pass, though I think we hear the
>>>> same (or very similar) during times when Prospero is over the horizon.
>>>>
>>>> We are going to try the next pass at ~16:00UT if you want to listen in
>>>> again. Our new ploy is to wait for the last most opportune moment to
>>>> command, as the power _may_ be at it highest (longest charging of
>>>> batteries, potentially). So, we'll do short commanding at above 30o el,
>>>> and listen.
>>>>
>>>> -Rr.
>>>>
>>>> Tony Abbey wrote:
>>>>
>>>>> Hi Roger
>>>>>
>>>>> I could hear some "chuff-chuff" noises on the last pass and they show a
>>>>> related doppler shift (although I am not correcting sufficiently) as
>>>>> you
>>>>> can see in the attached plot. Maybe its some other noise but you never
>>>>> know.
>>>>>
>>>>> On 26 Oct 2011, at 13:39, Roger Duthie wrote:
>>>>>
>>>>>> Commanding went well, from as far as we could make out. We're not
>>>>>> sure
>>>>>> if we're getting anything back, however.
>>>>>>
>>>>>> We'll be doing this pass today, hopefully:
>>>>>>
>>>>>> 26 Oct 7.3 15:31:43 10 S 15:38:26 60 E 15:46:11 10 NNE [Times in BST =
>>>>>> UTC + 1]
>>>>>>
>>>>>> -Roger
>>>>>>
>>> _______________________________________________
>>> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>>>
>>> _______________________________________________
>>> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>>>
>>>
>>
>>
>>
>
> --
> ---
> Roger J A Duthie
> PhD Candidate
> Plasma Group
> Department of Space & Climate Physics
> UCL, London
>
> w: +44(0)1483 204 100 ext 2299
> m: +44(0)7938 55 70 44
------------------------------
Message: 14
Date: Thu, 27 Oct 2011 16:17:17 +0100
From: Roger Duthie <rjad@xxxx.xxx.xx.xx>
To: Tony Abbey <afa3@xxxxxxxxx.xx.xx>
Cc: Phil Guttridge <prg@xxxx.xxx.xx.xx>, amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
Message-ID: <4EA975FD.8000809@xxxx.xxx.xx.xx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
We're hearing these 'chuff-chuff swooshes' too, though at times when our
software is not showing Orbcomm over our horizon. Our TLEs may be
slightly out-of-date, though I think it would be a marginal thing. Can
it be definitely confirmed that these noises are Orbcomm?
- Rr.
Tony Abbey wrote:
> Nothing heard from Prospero here in Leicester, that pass just finished
> (at 14:57Z)
> Just the Orbcomm swooshes.
>
> Tony Abbey - Senior Research Fellow (retired)
> Space Research Centre
> Dept of Physics and Astronomy
> University of Leicester
> University Road SRC Web page: http://www.src.le.ac.uk
> LEICESTER LE1 7RH, United Kingdom
>
>
>
>
>
> On 27 Oct 2011, at 13:33, Roger Duthie wrote:
>
>> Well, we're hearing something like that. Though we hear this a lot,
>> we also wonder whether we''re seeing an envelope during the Prospero
>> pass times.
>>
>> The passes for today (BST) [from Heavens-Above]:
>> 27 Oct
>>
<http://www.heavens-above.com/Gtrack.aspx?Session=kebgfdallldcgimjaonedkpf&sat
id=5580&date=40843.617613831>
>> 7.2 15:42:26 10 S 15:49:21 77 E 15:57:21 10 NNE
>> 27 Oct
>>
<http://www.heavens-above.com/Gtrack.aspx?Session=kebgfdallldcgimjaonedkpf&sat
id=5580&date=40843.6908054167>
>> 8.7 17:28:31 10 WSW 17:34:45 31 WNW 17:41:39 10 N
>>
>>
>> Also, I've started a Twitter hashtag for anyone using this mode of
>> communication: #Prospero40 Add this to any Twitter messages you
>> might write about Prospero or related subjects.
>>
>> -Roger
>>
>> PE0SAT wrote:
>>> Hi,
>>>
>>> I have a spectrogram and a recording of that "chuff chuff" on
>>> http://www.pe0sat.vgnet.nl/satellite/sat-history/prospero/
>>>
>>> Is it the same you guys heard?
>>>
>>> 73 Jan PE0SAT
>>>
>>>
>>> On Thu, October 27, 2011 10:04, g.shirville@xxxxxxxxxx.xxx wrote:
>>>
>>>> Hi Tony,
>>>>
>>>> The chuff chuff noises are from space...they are a sort of beacon carried
>>>> on
>>>> every Orbcomm satellite. They are 125msec long pulses of 57.6kb data and
>>>> have a bandwidth of around 50kHz. They are quite distinctive when you
only
>>>> hear one at a time but sometimes one can hear two or more signals at the
>>>> same time and that sort of changes the sound:)
>>>>
>>>> 73
>>>>
>>>> Graham
>>>> G3VZV
>>>>
>>>> -----Original Message-----
>>>> From: Tony Abbey
>>>> Sent: Wednesday, October 26, 2011 8:56 PM
>>>> To: rjad@xxxx.xxx.xx.xx
>>>> Cc: Phil Guttridge ; amsat-bb@xxxxx.xxx
>>>> Subject: [amsat-bb] Re: [Re: Prospero] Commanding Error
>>>>
>>>> Hi Roger
>>>>
>>>> Nothing other than the chuff- chuff on the 1600 pass. And as you said,
its
>>>> also there with Prospero over the horizon. I 'm not using a beam
presently
>>>> -
>>>> using a 360deg parasitic Lindenblad for circular polarisation, but it is
>>>> susceptible to all the high power pager stuff nearby. Its just strange
>>>> that
>>>> there are elements shifting in frequency in the chuff chuff like a signal
>>>> from a real satellite.
>>>> Have just come back from a Rosat re-entry celebration!
>>>>
>>>> Tony Abbey - Senior Research Fellow (retired)
>>>> Space Research Centre
>>>> Dept of Physics and Astronomy
>>>> University of Leicester
>>>> University Road SRC Web page: http://www.src.le.ac.uk
>>>> LEICESTER LE1 7RH, United Kingdom
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On 26 Oct 2011, at 16:17, Roger Duthie wrote:
>>>>
>>>>
>>>>> Tony -
>>>>>
>>>>> We heard something intriguing after about 14:43:40 UT as the tracking
>>>>> said
>>>>> the satellite was on it's way off to the north pole.
>>>>>
>>>>> The 'chuff-chuff' description reminds me of a sound we seem to hear
>>>>> quite
>>>>> a lot. Quite often it coincides with a pass, though I think we hear the
>>>>> same (or very similar) during times when Prospero is over the horizon.
>>>>>
>>>>> We are going to try the next pass at ~16:00UT if you want to listen in
>>>>> again. Our new ploy is to wait for the last most opportune moment to
>>>>> command, as the power _may_ be at it highest (longest charging of
>>>>> batteries, potentially). So, we'll do short commanding at above 30o el,
>>>>> and listen.
>>>>>
>>>>> -Rr.
>>>>>
>>>>> Tony Abbey wrote:
>>>>>
>>>>>> Hi Roger
>>>>>>
>>>>>> I could hear some "chuff-chuff" noises on the last pass and they show a
>>>>>> related doppler shift (although I am not correcting sufficiently) as
>>>>>> you
>>>>>> can see in the attached plot. Maybe its some other noise but you never
>>>>>> know.
>>>>>>
>>>>>> On 26 Oct 2011, at 13:39, Roger Duthie wrote:
>>>>>>
>>>>>>> Commanding went well, from as far as we could make out. We're not
>>>>>>> sure
>>>>>>> if we're getting anything back, however.
>>>>>>>
>>>>>>> We'll be doing this pass today, hopefully:
>>>>>>>
>>>>>>> 26 Oct 7.3 15:31:43 10 S 15:38:26 60 E 15:46:11 10 NNE [Times in BST =
>>>>>>> UTC + 1]
>>>>>>>
>>>>>>> -Roger
>>>>>>>
>>>> _______________________________________________
>>>> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>>>> Not an AMSAT-NA member? Join now to support the amateur satellite
program!
>>>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>>>>
>>>> _______________________________________________
>>>> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>>>> Not an AMSAT-NA member? Join now to support the amateur satellite
program!
>>>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>>>>
>>>>
>>>
>>>
>>>
>>
>> --
>> ---
>> Roger J A Duthie
>> PhD Candidate
>> Plasma Group
>> Department of Space & Climate Physics
>> UCL, London
>>
>> w: +44(0)1483 204 100 ext 2299
>> m: +44(0)7938 55 70 44
>>
>
--
---
Roger J A Duthie
PhD Candidate
Plasma Group
Department of Space & Climate Physics
UCL, London
w: +44(0)1483 204 100 ext 2299
m: +44(0)7938 55 70 44
------------------------------
_______________________________________________
Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
http://amsat.org/mailman/listinfo/amsat-bb
End of AMSAT-BB Digest, Vol 6, Issue 597
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