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Today's Topics:
1. Re: NASA Kills Ulysses (Luc Leblanc)
2. Re: Help - no antennas allowed (n0jy@xxxxxxx.xxxx
3. Re: NASA Kills Ulysses (Andrew Koenig)
4. Re: Help - no antennas allowed (Larry Gerhardstein)
5. AMSAT Awards (Bruce)
6. Unused sats (Howie)
7. Re: Unused sats (David - KG4ZLB)
8. Re: NASA Kills Ulysses (James French)
9. Rebuttal - Re: Unused sats (Jack K.)
10. For sell...M2 NIB 436CP42UG Antenna (R. Chastain)
11. AO-51 Telemetry (Gould Smith)
12. Re: NASA Kills Ulysses (Armando Mercado)
13. Antenna Question (Steve Bluemel)
14. Re: QSL card? (Greg D.)
15. Re: NASA Kills Ulysses (Amateur On When Commercial Goes Off)
(Gary "Joe" Mayfield)
16. Re: Antenna Question (Jim Jerzycke)
----------------------------------------------------------------------
Message: 1
Date: Wed, 01 Jul 2009 15:12:40 -0400
From: Luc Leblanc <lucleblanc6@xxxxxxxxx.xx>
Subject: [amsat-bb] Re: NASA Kills Ulysses
To: amsat-bb@xxxxx.xxx
Message-ID: <4A4B7CE8.15728.1D9D10E@xxxxxxxxxxx.xxxxxxxxx.xx>
Content-Type: text/plain; charset=US-ASCII
Hello planners!
Some launch test are planned for Aries I rocket is it possible that some free
dummy payload space will be available?
http://powerfromspace.blogspot.com/2008/05/aries-rocket-motor-test-video-
clips.html
Full screen on You tube
http://www.youtube.com/watch?v=jY2CcZk_aNQ&eurl=http%3A%2F%2Fpowerfromspace.bl
ogspot.com%2F2008%2F05%2Faries-rocket-motor-test-video-
clips.html&feature=player_embedded
Pop up you volume...
On 1 Jul 2009 at 12:43, David - KG4ZLB wrote:
> I know it would be expensive but on the "if you spread your net wide
> enough" view of thinking, could we not approach commercial satellite
> projects prior to launch and bung a transponder on them only to be used
> when the primary mission fails? OK, so you might win some, might lose
> some and I know it would be expensive but it seems better than the
> situation we have now, plus we could be potentially building in some
> long term birds that would replace the current ageing fleet. It would be
> a long term view, but it would be something!
>
> Presumably this has been brought up before but no harm in re-hashing it
> for any new ideas especially with the BoD voting soon to happen! :-D
>
> 73
>
> David
>
> -
> David
> KG4ZLB
> www.kg4zlb.com
>
>
>
>
>
"-"
Luc Leblanc VE2DWE
Skype VE2DWE
www.qsl.net/ve2dwe
WAC BASIC CW PHONE SATELLITE
------------------------------
Message: 2
Date: Wed, 1 Jul 2009 14:53:20 -0500 (CDT)
From: n0jy@xxxxxxx.xxx
Subject: [amsat-bb] Re: Help - no antennas allowed
To: amsat-bb@xxxxx.xxx
Message-ID: <34146.170.49.217.216.1246478000.squirrel@xxxxxxx.xxx>
Content-Type: text/plain;charset=iso-8859-1
Sorry for being kind of late to the party for this subject.
John, I don't know if you are building or buying but in the case of the
former my XYL and I are designing a house right now for an area which
doesn't strictly prohibit antennas like I have now, but would likely not
allow it. Working with the architect we have the plan for the attic space
to be able to contain my current KLM 40el. (20x20) 70cm and Cushcraft 20el
(10x10) 2m antennas as well as my 23cm VE3NPC type helix and 13cm K5GNA
BBQ dish. It makes for a high roof, but many homes in Texas these days
have steep roofs so the design actually looks normal from the outside.
The basic idea is a 9 1/2 foot radius hemisphere that's 5 1/2 feet above
the floor of the attic (5 1/2 feet being the height of the boom above the
floor). It took some explaining to the architect how an az/el antenna
setup works and looks, but he got the right idea. I can send you a .pdf
of the roof/attic drawing if you are interested. The house is about 4500
sq. ft. area under roof in order to accomodate my antennas (although the
size is a result of what we wanted for the floor plan, not the result of
what was needed for the antennas).
And, it was good to see Eric's link to DH5MK. It gave me a lot of relief
to finally see an installation similar to what I am planning! I wasn't
sure how satellite through a roof would work over the various bands, but
it seems to me that any loss can easily be overcome by preamps and
amplifiers in a space where you can hook up whatever you need without the
worry of weather.
73,
Jerry
N0JY
------------------------------
Message: 3
Date: Wed, 1 Jul 2009 16:03:42 -0500
From: Andrew Koenig <ke5gdb@xxxxx.xxx>
Subject: [amsat-bb] Re: NASA Kills Ulysses
To: Luc Leblanc <lucleblanc6@xxxxxxxxx.xx>
Cc: amsat-bb@xxxxx.xxx
Message-ID:
<2f52b89b0907011403u61408784u7f0d421e2c3a5317@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
This whole discussion relates back to Bob's proposed idea of having several
Cubesats on standby in the event that we're given a last minute opportunity
to launch.
I think that'd be the place to start.
73 de KE5GDB
On Wed, Jul 1, 2009 at 2:12 PM, Luc Leblanc <lucleblanc6@xxxxxxxxx.xx>wrote:
>
>
> Hello planners!
>
> Some launch test are planned for Aries I rocket is it possible that some
> free dummy payload space will be available?
>
>
>
>
> http://powerfromspace.blogspot.com/2008/05/aries-rocket-motor-test-video-
clips.html
>
> Full screen on You tube
>
>
>
http://www.youtube.com/watch?v=jY2CcZk_aNQ&eurl=http%3A%2F%2Fpowerfromspace.bl
ogspot.com%2F2008%2F05%2Faries-rocket-motor-test-video-
>
clips.html&feature=player_embedded<http://www.youtube.com/watch?v=jY2CcZk_aNQ&
eurl=http%3A%2F%2Fpowerfromspace.blogspot.com%2F2008%2F05%2Faries-rocket-
motor-test-video-%0Aclips.html&feature=player_embedded>
>
> Pop up you volume...
>
>
> On 1 Jul 2009 at 12:43, David - KG4ZLB wrote:
>
> > I know it would be expensive but on the "if you spread your net wide
> > enough" view of thinking, could we not approach commercial satellite
> > projects prior to launch and bung a transponder on them only to be used
> > when the primary mission fails? OK, so you might win some, might lose
> > some and I know it would be expensive but it seems better than the
> > situation we have now, plus we could be potentially building in some
> > long term birds that would replace the current ageing fleet. It would be
> > a long term view, but it would be something!
> >
> > Presumably this has been brought up before but no harm in re-hashing it
> > for any new ideas especially with the BoD voting soon to happen! :-D
> >
> > 73
> >
> > David
> >
> > -
> > David
> > KG4ZLB
> > www.kg4zlb.com
> >
> >
> >
> >
> >
>
>
>
> "-"
>
>
> Luc Leblanc VE2DWE
> Skype VE2DWE
> www.qsl.net/ve2dwe
> WAC BASIC CW PHONE SATELLITE
>
>
>
>
>
> _______________________________________________
> 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
>
--
Andrew Koenig
------------------------------
Message: 4
Date: Wed, 1 Jul 2009 15:41:40 -0600
From: Larry Gerhardstein <larryg@xxxxxxx.xxx>
Subject: [amsat-bb] Re: Help - no antennas allowed
To: <n0jy@xxxxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Message-ID: <003c01c9fa94$b9396520$0200a8c0@xxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Jerry,
I'm curious how you will get all of the antenna gear into the attic.
Will you have to build the house around the antennas the same way they
do with built in showers? Or will a large attic entry door accommodate
the thing/s. And, after you get the design drawings done, do you have
to run them by a developer or HOA?
Larry W7IN
------------------------------
Message: 5
Date: Wed, 01 Jul 2009 16:44:52 -0500
From: Bruce <kk5do@xxxxx.xxx>
Subject: [amsat-bb] AMSAT Awards
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Message-ID: <4A4BD8D4.7080409@xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Since mid May, we have been waiting to see who would get the AMSAT
Satellite Communications Achievement Award #500. Entries were coming in
pretty quickly at the beginning. However, the last entry I received was
on June 13. Therefore, to not have everyone waiting any longer.... here
are the awards issued in the order they were received. Number 500 was
issued on June 6 with an entry received on June 5 and another on June 9.
Congratulations to everyone that submitted for the award and sorry for
the delay in mailing your certificates.
The following have earned the AMSAT Satellite Communications Achievement
Award.
Chris Lemon, KB9CL #490
Ernest Howard, W8EH #491
Peter Portanova, WB2OOQ #492
Michael Klomfass, DH5MK #493
James DeYoung, N8OQ #494
Ronald Parsons, W5RKN #495
Thomas Lepley, KX3TL #496
Chris Meyers, KC0YBM #497
Nick Kucij, KB1RVT #498
George Carr, WA5KBH #499
Ward Hall, WC0Y #500
Jim Klassen, N6JMK #501
James Clary, ND9M #502
To see all the awards visit http://www.amsat.org or
http://www.amsatnet.com
Bruce Paige, KK5DO
AMSAT Director Contests and Awards
ARRL Awards Manager (WAS, 5BWAS, VUCC), VE
Houston AMSAT Net - Wed 0100z on Echolink - Conference *AMSAT*
Also streaming MP3 at http://www.amsatnet.com
Podcast at http://www.amsatnet.com/podcast.xml or iTunes
Latest satellite news on the ARRL Audio News
http://www.arrl.org
------------------------------
Message: 6
Date: Wed, 1 Jul 2009 17:56:37 -0400
From: "Howie" <HowieD231@xxxxxxx.xxx>
Subject: [amsat-bb] Unused sats
To: <amsat-bb@xxxxx.xxx>
Message-ID: <BAY142-DAV202EAD1EE67BA1A1F6AB4E72E0@xxx.xxx>
Content-Type: text/plain; charset="us-ascii"
While the opportunity to ride share on a GEO sat is probably our best chance
at a HEO transponder, it is still a very slim chance in my opinion. I have
worked in the commercial satellite industry for over 25 years and the most
valuable piece of real estate in existence is located in the Clark Belt.
Commercial satellites are very much a "for profit" business and every watt
of power and ounce of weight has a dollar value beyond comprehension. Even
if we offered to pay our share of weight and power, it would not be enough
because the loss of return on investment for the non revenue generating
"hitch hiker" must be factored in as well. I now work for a subsidiary of
the second largest satellite operator in the world who is expanding their
business to offer "hosted payloads" to customers who want to orbit
specialized payloads without having to launch their own satellite. One of my
co-workers was invited to participate in a meeting of the group working on
this offering. When I found out, I suggested he bring up the idea of
launching a very small amateur payload as a demonstration of the great
utility that can be achieved with a very small, cost effective payload. He
did and the response was "You mean for free ?" He was never invited back. If
we want to get on a commercial sat, we need to have something to "sell",
i.e. a good reason for them to orbit something that may help them generate
revenues in the near future. I can say with reasonable confidence that an
analog bent pipe transponder will not be very interesting. Something along
the lines of the Advanced Communications Package might. Even though I was
not a big fan, the P-25 over satellite might be another good one if we could
prove a good scenario. If we want a ride into HEO, we need to earn it.
Howie AB2S
------------------------------
Message: 7
Date: Wed, 01 Jul 2009 18:09:39 -0400
From: David - KG4ZLB <kg4zlb@xxxxxxxxxx.xxx>
Subject: [amsat-bb] Re: Unused sats
To: amsat-bb@xxxxx.xxx
Message-ID: <4A4BDEA3.5080205@xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
All good points but forget the HEO's for now - we just need a good
source of regularly launched easy sats in LEO to augment the few working
birds we have and replace what we have to as they fall out of the sky or
just stop working.
God forbid they all got hit by debris and all failed but if that
happened, what would we do ? Still be harping on about AO-40 and whining
on about getting another HEO up there!
It will happen (maybe not in my lifetime :-D ) but the LEO's must be
maintained as that is where we get our source of newcomers from, the new
AMSAT members who will not fork out the thick end of a large amount of
wedge for an HEO that might or might not get up there!
Just my two rupees worth
--
David
KG4ZLB
www.kg4zlb.com
Howie wrote:
> While the opportunity to ride share on a GEO sat is probably our best chance
> at a HEO transponder, it is still a very slim chance in my opinion. I have
> worked in the commercial satellite industry for over 25 years and the most
> valuable piece of real estate in existence is located in the Clark Belt.
> Commercial satellites are very much a "for profit" business and every watt
> of power and ounce of weight has a dollar value beyond comprehension. Even
> if we offered to pay our share of weight and power, it would not be enough
> because the loss of return on investment for the non revenue generating
> "hitch hiker" must be factored in as well. I now work for a subsidiary of
> the second largest satellite operator in the world who is expanding their
> business to offer "hosted payloads" to customers who want to orbit
> specialized payloads without having to launch their own satellite. One of my
> co-workers was invited to participate in a meeting of the group working on
> this offering. When I found out, I suggested he bring up the idea of
> launching a very small amateur payload as a demonstration of the great
> utility that can be achieved with a very small, cost effective payload. He
> did and the response was "You mean for free ?" He was never invited back. If
> we want to get on a commercial sat, we need to have something to "sell",
> i.e. a good reason for them to orbit something that may help them generate
> revenues in the near future. I can say with reasonable confidence that an
> analog bent pipe transponder will not be very interesting. Something along
> the lines of the Advanced Communications Package might. Even though I was
> not a big fan, the P-25 over satellite might be another good one if we could
> prove a good scenario. If we want a ride into HEO, we need to earn it.
>
> Howie AB2S
>
> _______________________________________________
> 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: 8
Date: Wed, 01 Jul 2009 18:15:13 -0400
From: James French <w8iss@xxxxxxxxxxxx.xxx>
Subject: [amsat-bb] Re: NASA Kills Ulysses
To: AMSAT-BB <AMSAT-BB@xxxxx.xxx>
Message-ID: <1246486513.15198.43.camel@xxxxxxxxx>
Content-Type: text/plain
To go off in another direction with this, what would it take to start
our own Deep Space Network for reception and control of some of these
older Deep Space or Near Space craft?
I know that there was a LOT of talk about the Stereo mission and helping
out with reception back a few months ago. What if we could add control
to that also?
What would be the MINIMUM size dish needed?
( I could only put up a max size of ten foot dish )
S/N ratios?
Aiming factor?
decoding and sending telemetry?
I am NOT proposing anything on the scale of the SETI Projects Very
Large Array idea, but if done properly, we could help by extending the
life expectancy of some missions by two, three, or even four fold and
take some load off the NASA Deep Space Network.
This could also generate some credibility for AMSAT and maybe a little
income to finance a few satellites. This would be a good way to utilize
Amateur stations that are at Science and Hands On Museums also.
The Spartan Packet Radio Experiment (SPRE) which went up on STS-72 back
in January, 1996 proved that we could control and receive telemetry from
a spacecraft remotely via the internet even on Amateur frequencies. We
could do the same with this. The telemetry could then be distributed via
internet and decoded like the SETI@xxxx project using BOINC or something
else.
AMSAT as a group HAS the knowledge, expertise, and resources to pull
this off. Why hasn't this been considered?
My interpretations of the AMSAT by-laws:
THIRD: Said corporation is organized exclusively for SCIENTIFIC
purposes, including, for such purposes, the making of distributions to
organizations that qualify as exempt organizations under Section
501(c)(3) of the Internal Revenue Code of 1954, as amended (or the
corresponding provision of any future United States Internal Revenue
Law).
The SCIENTIFIC purposes for which said corporation is organized shall be
the carrying on of SCIENTIFIC research in the public interest by the
means of:
B. Encouraging development of skills and the advancement of specialized
knowledge in the art and practice of amateur radio communications and
SPACE SCIENCE.
C. Fostering international goodwill and cooperation through JOINT
experimentation and study, and through the wide participation in these
activities on a noncommercial basis by radio amateurs of the world.
AMSAT-NA is NOT limited to just amateur radio by the by-laws.
Just a little out loud thinking here. If this has been proposed and
rejected before, please excuse the bandwidth wasted here.
James W8ISS
------------------------------
Message: 9
Date: Wed, 1 Jul 2009 14:46:54 -0600
From: "Jack K." <kd1pe.1@xxxxx.xxx>
Subject: [amsat-bb] Rebuttal - Re: Unused sats
To: <kg4zlb@xxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Message-ID: <9A26A9F4650847E895AFA2524552D260@xxxxxxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
I have to disagree in the strongest of terms about disregarding HEOs "for
now" which in essence will mean to become forever. Until, or unless, we
could come up with something along the lines of a "Cell" system of leos, we
are missing one of the major advantages of Satellites and that is almost
guaranteed communications for long periods (several hours) at a time... I am
in no way denigrating LEOs as they have their place, but in the major schema
of things HEOS will and always have rule given the state of communications
art...
I understand the desire to "do something" but I suggest that the major
thrust should be directed at getting a transponder on the moon (or Mars) or
some more KISS type HEOs up... Cubesats can take care of themselves if we
do, Heck I would even join in and participate in something like I just
mentioned, I just can not get excited about "Contest style" contacts with a
5-12 min window most of the time... I do that on 2 meters scatter all I
want,
DE Jack - KD1PE
----- Original Message -----
From: "David - KG4ZLB" <kg4zlb@xxxxxxxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Sent: Wednesday, July 01, 2009 4:09 PM
Subject: [amsat-bb] Re: Unused sats
> All good points but forget the HEO's for now - we just need a good
> source of regularly launched easy sats in LEO to augment the few working
> birds we have and replace what we have to as they fall out of the sky or
> just stop working.
------------------------------
Message: 10
Date: Wed, 1 Jul 2009 15:58:51 -0700 (PDT)
From: "R. Chastain" <suenrod@xxxxx.xxx>
Subject: [amsat-bb] For sell...M2 NIB 436CP42UG Antenna
To: Amsat-BB <amsat-bb@xxxxx.xxx>
Message-ID: <39326.12661.qm@xxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Hi all,
I guess I better start off with saying the box is missing in action.:-)
The antenna has never been built and all of the small parts, phasing harness,
ECT... are still in the factory sealed bags.
The reason the box is missing is because I unboxed it the day I got it and
the grandkids decided the box would be a fun toy. Scratch one box.
Other than the M2 box, the antenna is as mint as they get. Even the straps
holding the elements and boom pieces have never been removed.
I will sell for $300.00 plus shipping.
Thanks,
RoD
KD0XX
------------------------------
Message: 11
Date: Wed, 1 Jul 2009 19:41:43 -0400
From: "Gould Smith" <gouldsmi@xxxxxxxxx.xxx>
Subject: [amsat-bb] AO-51 Telemetry
To: <amsat-bb@xxxxx.xxx>
Message-ID: <9B22F228B1B341E5B1873E45A1DFE6EB@xxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
The AO-51 telemetry archive is up to date as of last night. AO-51 telemetry
data is available in raw format, CSA (comma separated variable) format that
has the channel data converted by the configuration equations and there are
some Excel files (most with graphs).
There are a number of Excel files with graphs for June 2009 as that was a very
interesting month for AO-51 operation.
The telemetry archive can be found at
http://www.amsat.org/amsat/ftp/telemetry/ao51/
I encourage exploration of the data and any insights gleaned.
73,
Gould, WA4SXM
AO-51 Command Station
------------------------------
Message: 12
Date: Wed, 1 Jul 2009 20:11:43 -0400
From: "Armando Mercado" <am25544@xxxxxx.xxx>
Subject: [amsat-bb] Re: NASA Kills Ulysses
To: <amsat-bb@xxxxx.xxx>
Message-ID: <59D5D7B4BCA54D85BBAB7E61FC1D8FEE@xxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Hi All,
The title of this post paints an inaccurate picture
of this joint ESA/NASA mission. Ulysses power
supply (RTG) is not producing enough power
anymore to run its instruments and heaters to
keep its propellant from freezing. Ulysses was
due to be retired last year, but controllers devised
a clever method of firing its thrusters every 2 hours
to keep things warm. The tanks are virtually empty
now. Also its X-band transmitter failed leaving only
it S-band transmitter running at 512 bps.
Ulysses is currently 5 AU from earth with a 45 min.
1-way light time..to far away to act as an amateur
communication satellite in its decommissioned after
live, but it's an interesting mental exercise.
See the follow for more:
http://www.esa.int/esaCP/SEMWHF1P0WF_index_0.html
> Date: Wed, 1 Jul 2009 09:00:01 -0700
> From: Clint Bradford <clintbrad4d@xxxxxxxxx.xxx>
> Subject: [amsat-bb] NASA Kills Ulysses
> To: amsat-bb@xxxxx.xxx
> Message-ID: <B95E6E7F-69B9-49F0-B639-ACD8527B1D87@xxxxxxxxx.xxx>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>
> After 18 years of operation, NASA has switched off Ulysses, the space
> probe designed to study the properties of solar wind, the heliosphere
> magnetic field, and the solar radio bursts that can greatly affect our
> gadgets, telecommunications, and every electronic system here on
> planet Earth. It was the first object to see and study our Sun's poles.
>
> Read Ulysses Mission Operations Manager Nigel's email message to the
> Ulysses community ...
>
> http://tinyurl.com/mvneu4
>
> Clint Bradford, K6LCS
> 909-241-7666
------------------------------
Message: 13
Date: Wed, 1 Jul 2009 17:17:44 -0700
From: Steve Bluemel <stevebluemel@xxxxx.xxx>
Subject: [amsat-bb] Antenna Question
To: AMSAT-BB@xxxxx.xxx
Message-ID:
<393db9380907011717t1f51acbapdf3eaa808fe9d9ac@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hello All,
Just a quick Question. Quadrifilar Helix or Eggbeater? All other options
considered, which would you chose?
Thanks!
Steve KI6OQU
------------------------------
Message: 14
Date: Wed, 1 Jul 2009 19:26:16 -0700
From: "Greg D." <ko6th_greg@xxxxxxx.xxx>
Subject: [amsat-bb] Re: QSL card?
To: <dave.w8aas@xxxxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Message-ID: <BLU133-W7D13857469FD70CBEE2D7A92F0@xxx.xxx>
Content-Type: text/plain; charset="Windows-1252"
Ok, so this doesn't sound like the regular ARISS QSL service... Where did you
send your card (for those who weren't at Dayton)? Is he still accepting them?
Greg KO6TH
> From: dave.w8aas@xxxxxxx.xxx
> To: amsat-bb@xxxxx.xxx
> Date: Wed, 1 Jul 2009 08:35:39 -0400
> Subject: [amsat-bb] Re: QSL card?
>
> Richard has the cards made up, and was handing them out at Dayton
> Hamvention to those who were there. (He also had his log from ISS so
> people could see their call in it.) I don't know what his schedule is
> for a general mailing.
>
> -- Dave, W8AAS
>
>
> On Jun 30, 2009, at 10:29 PM, Scott Smith wrote:
>
> > Hi, has anyone received there QSL card from Richard Garriott? when
> > he was aboard the ISS?.
> > 73 de VE6ITV Scott
> > _______________________________________________
> > Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the
> > author.
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>
> _______________________________________________
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Message: 15
Date: Wed, 1 Jul 2009 21:38:02 -0500
From: "Gary \"Joe\" Mayfield" <gary_mayfield@xxxxxxx.xxx>
Subject: [amsat-bb] Re: NASA Kills Ulysses (Amateur On When Commercial
Goes Off)
To: <amsat-bb@xxxxx.xxx>
Message-ID: <COL0-DAV14AD0EA58AB4E9873B3DE48A2F0@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
Think about it.... If you had a multi mega dollar project, that your
livelihood and career were resting upon and someone came along and wanted to
add un-needed complexity and additional equipment that may or may not
interfere with your primary mission, how anxious would you be to share the
ride? How many bad days have you had that started with someone telling you
that what they were going to do would have no impact on you? And then later
it did?
Just being realistic,
Joe kk0sd
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of Dave
Sent: Wednesday, July 01, 2009 12:23 PM
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: NASA Kills Ulysses
This is an intriguing possibility and perplexes me somewhat they (AMSAT)
hasn't mentioned it, or something similar. For instance, every launch has a
ballast load. Why is it that the ballast cannot be replaced with a cubesat?
Why aren't commercial sats required to have a amateur band transceiver
installed, as mentioned here and elsewhere, to activate when the primary
mission ceases? Public utility companies and regulated companies such as
AT&T help us routinely.
Of course the easy answer is 'no', but a thoughtful consideration from the
people who deal with this on a daily basis might be more nuanced. It's not a
technical issue, is it?
Moreover, rigging a series of sats with a transmission system that switches
on in the event of catastrophic failure or switching off of the main system
offers the possibility of establishing a sat network capable of vast
distance datacom at no expense to the primary carrier and of great benefit
to the general public and science.
Isn't it time we move to working on a deep space internet system that the
commercial folks don't want to spend a lot of money on, and that we (ham
folks) can help by proving-in the concept? Seems to me we can do this
without a lot of expense but with the foresighted help of the commercial
folks.
Dave
DM78qd // KA0SWT
If it weren't for Philo T. Farnsworth, inventor of television, we'd still be
eating frozen radio dinners.-- Johnny Carson
+++++++++++++++++++++++++++++++++++++
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of STeve Andre'
Sent: Wednesday, July 01, 2009 10:21 AM
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: NASA Kills Ulysses
About the only thing we could do is use them as training guides for
receiving weak signals. Satellities are not designed to qsy, or do anything
other than they actual function(s), specified long before they were ever
built. Add more to a bird increases complexity, and also failures.
I'll bet they turned it off to free up that frequency for something else.
If that is the case then we can't even really try monitoring.
I've often wondered about the ham community using old systems but except for
really rare cases, they are just too specific to do anything for us.
--STeve Andre'
wb8wsf en82
On Wednesday 01 July 2009 12:13:19 w7lrd@xxxxxxx.xxx wrote:
> I often wonder, is it is not possible to configure any of these
> "non-functioning" satellites to suit our needs?? I mean we can do an
> awfull lot with very little.? There are alot of "non-functioning"
> satellites up there.? We are a creative bunch and enjoy the challange.
>
> 73 Bob W7LRD
>
> Seattle
>
> ---- Original Message -----
> From: "Clint Bradford" <clintbrad4d@xxxxxxxxx.xxx>
> To: amsat-bb@xxxxx.xxx
> Sent: Wednesday, July 1, 2009 9:00:01 AM GMT -08:00 US/Canada Pacific
> Subject: [amsat-bb] ?NASA Kills Ulysses
>
> After 18 years of operation, NASA has switched off Ulysses, the space
> probe designed to study the properties of solar wind, the heliosphere
> magnetic field, and the solar radio bursts that can greatly affect our
> gadgets, telecommunications, and every electronic system here on
> planet Earth. It was the first object to see and study our Sun's poles.
>
> Read Ulysses Mission Operations Manager Nigel's email message to the
> Ulysses community ...
>
> http://tinyurl.com/mvneu4
>
> Clint Bradford, K6LCS
> 909-241-7666
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 16
Date: Wed, 1 Jul 2009 20:13:10 -0700 (PDT)
From: Jim Jerzycke <kq6ea@xxxxxxx.xxx>
Subject: [amsat-bb] Re: Antenna Question
To: AMSAT-BB@xxxxx.xxxx Steve Bluemel <stevebluemel@xxxxx.xxx>
Message-ID: <942908.12359.qm@xxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=iso-8859-1
I'd have to say "It Depends". A 'regular' QHA has about zip for gain on the
horizon where you really need the it, although I've read where the "extended"
QHA's have a 'flatter' pattern, with the gain squeezed down towards the
horizon.
Same with eggbeaters. I have a pair of the M2 units, and even with good
quality preamps, they leave a LOT to be desired on low-elevation passes, which
is what most passes wind up being. Jerry, K5OE, has a modified eggbeater-II
design that pulls the pattern down towards the horizon quite a bit. I built a
pair of these years ago, and they seemed to work well. Unfortunately I no
longer have them, so I can't do an "A-B" comparison against my M2 units.
An altenative would be to build a Lindenblad like Tony AA2TX designed. I have
the parts collected to do just that, but won't have the time to build one for
a few weeks.
73, Jim? KQ6EA
--- On Wed, 7/1/09, Steve Bluemel <stevebluemel@xxxxx.xxx> wrote:
From: Steve Bluemel <stevebluemel@xxxxx.xxx>
Subject: [amsat-bb] Antenna Question
To: AMSAT-BB@xxxxx.xxx
Date: Wednesday, July 1, 2009, 5:17 PM
Hello All,
Just a quick Question. Quadrifilar Helix or Eggbeater? All other options
considered, which would you chose?
Thanks!
Steve KI6OQU
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
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------------------------------
_______________________________________________
Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
http://amsat.org/mailman/listinfo/amsat-bb
End of AMSAT-BB Digest, Vol 4, Issue 305
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