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CX2SA > SATDIG 02.07.14 12:35l 676 Lines 21671 Bytes #999 (0) @ WW
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Today's Topics:
1. Re: AMSAT FD 2014 debrief (Floyd Rodgers)
2. Re: AMSAT FD 2014 debrief (Bill (W1PA))
3. Re: AMSAT FD 2014 debrief (Paul Stoetzer)
4. Re: AMSAT FD 2014 debrief (David Taylor)
5. Re: AMSAT FD 2014 debrief (Bill (W1PA))
6. Re: AMSAT FD 2014 debrief (Floyd Rodgers)
7. Astronaut wins June Twitter award - beautiful!! (Arthur Feller)
8. W1AW/9 satellite operations (Grant Zehr)
9. Stacking of dissimilar antennas (Nitin Muttin)
10. Re: ARTSAT1: INVADER will re-try to send Cosmic Poem
(Akihiro Kubota)
11. Re: Stacking of dissimilar antennas (Chris Bryant)
12. 13 Colonies on satellites- NOT PARTICIPATING (Dave Webb KB1PVH)
13. Any other audio from NA1SS passes on Saturday?
(Patrick STODDARD (WD9EWK/VA7EWK))
14. QB50 precursor satellites receive OSCAR numbers (Wouter Weggelaar)
15. Re: QB50 precursor satellites receive OSCAR numbers
(GW1FKY@xxx.xxxx
16. GTO opportunity (Graham Shirville)
----------------------------------------------------------------------
Message: 1
Date: Tue, 01 Jul 2014 07:50:04 -0500
From: Floyd Rodgers <kc5qbc@xxxxxx.xxx>
To: "Bill (W1PA)" <w1pa@xxxxxxx.xxx>, amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] AMSAT FD 2014 debrief
Message-ID: <53B2AE7C.5090602@xxxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
The 847 does not allow dual in band operation. If you think about it you
would need very respectable filtering more than 100db isolation between
the transmitter and receiver to be able to pull this off. In effect you
are asking it to be a repeater. It can do this only when transmit and
receive frequencies are not on the same band because then it only has to
deal with the much smaller 3rd harmonic signal.
On 6/30/2014 9:57 PM, Bill (W1PA) wrote:
> When I tried to run the ISS passes (2m up and down), the 2nd VFO on
> the FT-847
> came up "reset" in the rig display when SatPC pushed the frequencies
> over -- is that a rig issue or SatPC issue I need to discuss with Erich?
------------------------------
Message: 2
Date: Tue, 1 Jul 2014 09:31:13 -0400
From: "Bill \(W1PA\)" <w1pa@xxxxxxx.xxx>
To: <kc5qbc@xxxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] AMSAT FD 2014 debrief
Message-ID: <BAY179-DS21A8411A59007419B3797A98070@xxx.xxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=response
Floyd,
Makes perfect sense. I wonder why, when ISS is selected,
SatPC32 does not
configure the radio to a single VFO with a non-standard
repeater offset,
rather than loading 2M into both VFOs in satellite mode.
Should I have taken it out of Satellite mode manually?
Something to research.
Bill
-----Original Message-----
From: Floyd Rodgers
Sent: Tuesday, July 01, 2014 8:50 AM
To: Bill (W1PA) ; amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] AMSAT FD 2014 debrief
The 847 does not allow dual in band operation. If you think
about it you
would need very respectable filtering more than 100db
isolation between
the transmitter and receiver to be able to pull this off. In
effect you
are asking it to be a repeater. It can do this only when
transmit and
receive frequencies are not on the same band because then it
only has to
deal with the much smaller 3rd harmonic signal.
On 6/30/2014 9:57 PM, Bill (W1PA) wrote:
> When I tried to run the ISS passes (2m up and down), the
> 2nd VFO on the FT-847
> came up "reset" in the rig display when SatPC pushed the
> frequencies over -- is that a rig issue or SatPC issue I
> need to discuss with Erich?
------------------------------
Message: 3
Date: Tue, 1 Jul 2014 09:35:05 -0400
From: Paul Stoetzer <n8hm@xxxx.xxx>
To: "Bill (W1PA)" <w1pa@xxxxxxx.xxx>
Cc: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] AMSAT FD 2014 debrief
Message-ID:
<CABzOSOpXGaPW+y5Vgv-Hf8_5P9Ch7oHK1qBw7OoPGyY=JoMukQ@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Bill,
For the ISS, use the SatPC32ISS application instead of the main
SatPC32. That will appropriately control your radio for the ISS.
73,
Paul, N8HM
On Tue, Jul 1, 2014 at 9:31 AM, Bill (W1PA) <w1pa@xxxxxxx.xxx> wrote:
> Floyd,
>
> Makes perfect sense. I wonder why, when ISS is selected, SatPC32 does not
> configure the radio to a single VFO with a non-standard repeater offset,
> rather than loading 2M into both VFOs in satellite mode.
> Should I have taken it out of Satellite mode manually?
>
> Something to research.
>
> Bill
>
>
> -----Original Message----- From: Floyd Rodgers
> Sent: Tuesday, July 01, 2014 8:50 AM
> To: Bill (W1PA) ; amsat-bb@xxxxx.xxx
>
> Subject: Re: [amsat-bb] AMSAT FD 2014 debrief
>
> The 847 does not allow dual in band operation. If you think about it you
> would need very respectable filtering more than 100db isolation between
> the transmitter and receiver to be able to pull this off. In effect you
> are asking it to be a repeater. It can do this only when transmit and
> receive frequencies are not on the same band because then it only has to
> deal with the much smaller 3rd harmonic signal.
> On 6/30/2014 9:57 PM, Bill (W1PA) wrote:
>>
>> When I tried to run the ISS passes (2m up and down), the 2nd VFO on the
>> FT-847
>> came up "reset" in the rig display when SatPC pushed the frequencies over
>> -- is that a rig issue or SatPC issue I need to discuss with Erich?
>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 4
Date: Tue, 01 Jul 2014 09:43:38 -0400
From: David Taylor <dave.w8aas@xxxxxxx.xxx>
To: "Bill (W1PA)" <w1pa@xxxxxxx.xxx>
Cc: "<amsat-bb@xxxxx.xxx>" <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] AMSAT FD 2014 debrief
Message-ID: <A8C0DED8-3745-4C20-A6A1-8DD5DE19E2A4@xxxxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Your SatPC32 installation should include a program called SatPC32ISS, a
special version designed for same-band operation. Your radio should not be
in satellite mode.
Dave, W8AAS
Sent from my iPad
On Jul 1, 2014, at 9:31 AM, "Bill \(W1PA\)" <w1pa@xxxxxxx.xxx> wrote:
> Floyd,
>
> Makes perfect sense. I wonder why, when ISS is selected, SatPC32 does not
> configure the radio to a single VFO with a non-standard repeater offset,
> rather than loading 2M into both VFOs in satellite mode.
> Should I have taken it out of Satellite mode manually?
>
> Something to research.
>
> Bill
>
>
> -----Original Message----- From: Floyd Rodgers
> Sent: Tuesday, July 01, 2014 8:50 AM
> To: Bill (W1PA) ; amsat-bb@xxxxx.xxx
> Subject: Re: [amsat-bb] AMSAT FD 2014 debrief
>
> The 847 does not allow dual in band operation. If you think about it you
> would need very respectable filtering more than 100db isolation between
> the transmitter and receiver to be able to pull this off. In effect you
> are asking it to be a repeater. It can do this only when transmit and
> receive frequencies are not on the same band because then it only has to
> deal with the much smaller 3rd harmonic signal.
> On 6/30/2014 9:57 PM, Bill (W1PA) wrote:
>> When I tried to run the ISS passes (2m up and down), the 2nd VFO on the
FT-847
>> came up "reset" in the rig display when SatPC pushed the frequencies over
-- is that a rig issue or SatPC issue I need to discuss with Erich?
>
> _______________________________________________
> 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: 5
Date: Tue, 1 Jul 2014 09:58:53 -0400
From: "Bill \(W1PA\)" <w1pa@xxxxxxx.xxx>
To: "David Taylor" <dave.w8aas@xxxxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] AMSAT FD 2014 debrief
Message-ID: <BAY179-DS22BF7467B101883A0EA70698070@xxx.xxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Thanks guys. I forget that SatPC32 is in fact a cluster of
programs.
Bill W1PA
------------------------------
Message: 6
Date: Tue, 01 Jul 2014 10:02:34 -0500
From: Floyd Rodgers <kc5qbc@xxxxxx.xxx>
To: "Bill (W1PA)" <w1pa@xxxxxxx.xxx>, amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] AMSAT FD 2014 debrief
Message-ID: <53B2CD8A.2060905@xxxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
I am not familiar with SATPC32, so I cannot answer that.
I think I recall discussions in the archives about using a non stantdard
split not in SAT mode on the 847, but you can search the archives to
confirm. We actually used an icom 821h with a 5 element beam for
terrestrial qso's (without elevation) to make our two or three ISS
contacts (different users and callsigns). Since those contacts do not
qualify for sat contacts we actually ended up failing to get the FD sat
contacts since everyone was so wound up with the ISS contacts.
Oh well, something to fix for next year....
------------------------------
Message: 7
Date: Tue, 1 Jul 2014 11:45:12 -0400
From: Arthur Feller <afeller@xxxx.xxx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Astronaut wins June Twitter award - beautiful!!
Message-ID: <7FE71D62-5D98-4460-AF8F-71A5EE7F85C0@xxxx.xxx>
Content-Type: text/plain; charset=windows-1252
http://www.washingtonpost.com/blogs/innovations/wp/2014/07/01/39-reminders-why
-this-astronaut-won-twitter-in-june/?hpid=z16
73, art?..
W4ART Arlington VA
http://afeller.us
------------------------------
Message: 8
Date: Tue, 1 Jul 2014 11:13:02 -0500
From: "Grant Zehr" <grant@xxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] W1AW/9 satellite operations
Message-ID: <174f01cf9547$56844780$038cd680$@xxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
Thanks to everyone who called W1AW/9 - IL and helped make the week a success
for us here in Illinois.
QSO's were made via AO-7, FO-29, SO-50, VO-52, and the ISS packet repeater.
So far I have logged only 2 QSO's on the ISS packet repeater (an exchange
where the packet is clearly directed to my call and confirmed). Stations
worked via ISS were KA1OLE and KO0A. If you feel you made a valid 2-way
contact with W1AW/9 via ISS packet, but are not listed here, send me your
capture file in the next couple days. I will compare it to mine and make
any corrections needed.
There are still a few more passes available this afternoon.so hope to see
you on the birds!
W1AW/9 -IL
(op. Grant AA9LC)
------------------------------
Message: 9
Date: Wed, 2 Jul 2014 01:47:27 +0800
From: Nitin Muttin <vu3tyg@xxxxx.xx.xx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Stacking of dissimilar antennas
Message-ID:
<1404236847.56021.YahooMailNeo@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=iso-8859-1
Friends,
Need some help. I am planning to stack two 2 meter Cross Yagi and two 70 cms
cross yagi on a H frame. Can some one guide me on the horizontal and
vertical stacking distances ?that I need to maintained. I have some
information for example
from?http://www.directivesystems.com/STACKING.htm?but confused what should
be the final configuration.
?
73
Nitin [VU3TYG]
------------------------------
Message: 10
Date: Wed, 2 Jul 2014 05:17:47 +0900
From: Akihiro Kubota <akihiro.kubota@xxxxx.xxx>
To: AMSAT <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] ARTSAT1: INVADER will re-try to send Cosmic
Poem
Message-ID: <4807BF80-ABBA-4E94-869B-E67E4DFDB15F@xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Dear all,
We have set the command to send the cosmic poem over Brazil at 2014-07-01
20:55:00.
All the best,
Akihiro Kubota
On Jun 30, 2014, at 3:38 PM, Akihiro Kubota <akihiro.kubota@xxxxx.xxx> wrote:
> Dear all,
>
> Hello, we are going to re-try to send Cosmic Poem over North and South
America as follows.
>
> North America:
> 2014-06-30 20:25:00 UTC
> https://dl.dropboxusercontent.com/u/1336163/ScrSav021.jpg
>
> South America:
> 2014-07-01 20:55:00 UTC
> https://dl.dropboxusercontent.com/u/1336163/ScrSav028.jpg
>
> Thanks in advance.
>
> Best,
>
> Akihiro Kubots, ARTSAT Project
>
>
> On Jun 26, 2014, at 10:55 PM, ji1izr/Masahiro Sanada
<ji1izr_1975@xxxxx.xxx> wrote:
>
>> Dear all,
>>
>> The ARTSAT Project team scheduled to send Cosmic Poem over Europe and
North Am
>> erica.
>>
>> Please refer to the Facebook:
>>
https://www.facebook.com/events/1450646185187636/permalink/1457939504458304/
>>
>> The announcement is:
>> ***begin of the referred***
>> Schedule for the first and second performances in this weekend!
>>
>> The First Performance, Europe and North Africa
>> 2014-06-28 07:26 (UTC)
>> June 28 2014, 09:26 (CEST)
>> over San Sebastian (Spain)
>> Covered major cities: London, Berlin, Paris, Madrid, Dublin, Copenhagen,
Wars
>> aw, Marrakesh, Tunis
>>
>> The Second Performance, East/Central USA and East Canada
>> 2014-06-28 21:26 (UTC)
>> June 28 2014, 17:26 (EDT)
>> over Ohio (USA)
>> Covered major cities: New York, Chicago, Toronto, Montreal, Miami,
Houston, K
>> ansas City
>>
>> * the schedule is subject to change.
>>
>> ***end of the referred***
>>
>> You can hear the sample of the poem here:
>> http://artsat.jp/en/cosmic-poem-draft-2
>>
>> de ji1izr/Masahiro
>>
>> **********************************
>> Masahiro Sanada
>> de ji1izr
>> Hiratsuka-city
>> Kanagawa,Japan
>> ji1izr_1975@xxxxx.xxx
>> ji1izr@xxxx.xxx
>> ji1izr@xxxxxx.xx.xx
>> web: http://ji1izr.atnifty.com/
>> blog: http://ji1izr.air-nifty.com/
>> **********************************
>>
>> _______________________________________________
>> 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: 11
Date: Tue, 01 Jul 2014 22:32:02 +0100
From: Chris Bryant <g3wie@xxxxxxxxxxx.xxx.xx>
To: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Stacking of dissimilar antennas
Message-ID: <53B328D2.3030300@xxxxxxxxxxx.xxx.xx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Nitin,
When stacking antennas for different frequencies and you wish to
estimate the effect of, say, a 2m antenna on a 70cm antenna, you should
consider the capture area of the 2m antenna at 70cm, *not* at 2m.
Despite the physical size, the capture area is very small. That means
you can put the antennas much closer together than many people think.
WA5VJB did some measurements for 900MHz and another band which
illustrated this, and presented the results in a lecture to the UK
Microwave Group some years ago. He found he could put the antennas
almost touching with little effect on the radiation pattern. I did some
Eznec simulations for 2m and 70cm crossed yagi antennas spaced
horizontally at distances from 2.0m down to 0.8m which gave similar
answers. I have the pictures in a powerpoint file which I've emailed to
you directly as I don't know if this list supports attachments.
I built the antennas but then moved house before I could put them up. I
still haven't got there!
73
Chris
On 01/07/14 18:47, Nitin Muttin wrote:
> Friends,
>
> Need some help. I am planning to stack two 2 meter Cross Yagi and two 70
cms cross yagi on a H frame. Can some one guide me on the horizontal and
vertical stacking distances that I need to maintained. I have some
information for example from http://www.directivesystems.com/STACKING.htm
but confused what should be the final configuration.
>
> 73
> Nitin [VU3TYG]
> _______________________________________________
> 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: 12
Date: Tue, 1 Jul 2014 18:57:55 -0400
From: Dave Webb KB1PVH <kb1pvh@xxxxx.xxx>
To: AMSAT -BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] 13 Colonies on satellites- NOT PARTICIPATING
Message-ID:
<CAEMY9FfSKOsysBSvxO1AqsrGCxptT+t-f8eOa+5ipibE54PdUA@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
I just want to clarify that the decision was made and posted here that we
are not taking part in the 13 Colonies special event this year due to lack
of state stations. We could only muster up just over half the states and
felt that it would be better to have all or nothing this year.
Dave-KB1PVH
Sent from my Verizon Wireless Droid RAZR
------------------------------
Message: 13
Date: Tue, 1 Jul 2014 16:51:44 -0700
From: "Patrick STODDARD \(WD9EWK/VA7EWK\)" <amsat-bb@xxxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Any other audio from NA1SS passes on Saturday?
Message-ID:
<1404258704.8313.YahooMailBasic@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Hi!
Did anyone in the central or eastern parts of the USA record the NA1SS
passes on Saturday afternoon? I have my recordings which I used for
my slideshow videos I posted on YouTube, but they do not cover the
other contacts that took place as the ISS moved away from me during
each pass. I am interested in trying to piece together a longer recording,
possibly covering the time the ISS was passing over North America
during each pass. I did this many years ago for an ISS pass over North
America, piecing together a couple of recordings covering a pass down
the Pacific coastline of the USA and Mexico, and would like to try to do
that again for the Field Day passes.
If you have any recordings, please e-mail them directly to me. If the
recordings are too large for e-mail, please contact me so we can make
arrangements to transfer the files in some other manner.
Thanks in advance, and 73!
Patrick WD9EWK/VA7EWK
http://www.wd9ewk.net/
------------------------------
Message: 14
Date: Wed, 2 Jul 2014 10:33:00 +0200
From: Wouter Weggelaar <wouterweg@xxxxx.xxx>
To: AMSAT-BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] QB50 precursor satellites receive OSCAR numbers
Message-ID:
<CAKXf1rGHq4v9Sj=gWMNLUaFsaDCWQpjR7pXqZ6XEZ88KOeSVzg@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Hi All,
The QB50 precursor satellites, launched on 19th of June 2014, are in good
health and still being commissioned.These satellites are part of a
risk-reduction program for the QB50 main mission.
Read all about QB50 on the project website at https://qb50.eu/
These satellites are also carrying amateur radio transponders:
- QB50p1 carries the FUNcube-3 transponder system by AMSAT-UK and AMSAT-NL
- QB50p2 carries an FM transponder by AMSAT-Francophone
I am grateful to be able to announce that these two CubeSat Satellites have
been awarded OSCAR numbers by AMSAT-NA: QB50p1 shall be known as European
OSCAR 79 or EO-79, and QB50p2 shall be known as European OSCAR 80 or EO-80.
Thank you AMSAT-NA!
The transponders are expected to be switched on after the main mission,
which lasts about 6 months depending on progress made.
Details about sending in reports and decoding the beacons can be found on
the ISIS Ham page at
http://isispace.nl/HAM/qb50p.html
Mike DK3WN has kindly made and published a decoder at his website:
http://www.dk3wn.info/software.shtml based on the published formats.
Thanks all for your support and reports, they are much appreciated!
Kind Regards,
Wouter Weggelaar PA3WEG
AMSAT-NL
QB50p team
------------------------------
Message: 15
Date: Wed, 2 Jul 2014 06:04:02 -0400 (EDT)
From: GW1FKY@xxx.xxx
To: wouterweg@xxxxx.xxxx amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] QB50 precursor satellites receive OSCAR
numbers
Message-ID: <aa902.12788357.40e53312@xxx.xxx>
Content-Type: text/plain; charset="US-ASCII"
Hi,
Congratulations to all concerned with the projects and welcome to the
growing list of success stories in our world of "amateur radio".
The signals from both satellites are being heard at my QTH hear in South
Wales -UK just using an "Elk" antenna.
I must download the software that Mike has so kindly once again put time
and effort into assist with decoding.
Thanks again.
Ken Eaton
GW1FKY
Amsat -UK
Amsat NA
------------------------------
Message: 16
Date: Wed, 2 Jul 2014 11:28:31 +0100
From: "Graham Shirville" <g.shirville@xxxxxxxxxx.xxx>
To: "AMSAT BB" <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] GTO opportunity
Message-ID: <44B59B45C43046BF89D616208A167042@xxxxxxx.xxxxx>
Content-Type: text/plain; charset="UTF-8"
Hi All,
I know that this subject is a very ?old chestnut? but I came across this
website earlier today http://spaceflightservices.com/
You can see, perhaps for the first time?, a list of opportunities and
pricing structures.
I have been pondering :
Whether a 3U CubeSat to GTO could be funded by the community
Whether it would have enough power for attitude control and a sufficiently
powerful transponder
Whether it could have deployable antennas as well as solar panels? Combined?
and, of course, lots more questions come to mind.
This could make the subject of an interesting debate/discussion at the
upcoming AMSAT-UK Colloquium at the end of the month?
I am looking forward to it already!
best 73
Graham
G3VZV
------------------------------
_______________________________________________
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 9, Issue 217
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