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CX2SA > SATDIG 02.02.09 00:14l 679 Lines 26989 Bytes #999 (0) @ WW
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From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
Today's Topics:
1. Re: Optimum HT for FM satellite use? (Howard Long)
2. Re: Optimum HT for FM satellite use? (Edward Cole)
3. Re: Optimum HT for FM satellite use? (Andy MacAllister)
4. ANS-032 AMSAT News Service Weekly Bulletins (JoAnne Maenpaa)
5. Re: Optimum HT for FM satellite use? (Bob Bruninga )
----------------------------------------------------------------------
Message: 1
Date: Sat, 31 Jan 2009 23:51:44 -0000
From: "Howard Long" <howard@xxxxxxxxxx.xxx>
Subject: [amsat-bb] Re: Optimum HT for FM satellite use?
To: "'Andrew Glasbrenner'" <glasbrenner@xxxxxxxxxx.xxx>, "'Gordon
Bousman'" <nw7d.ham@xxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Message-ID: <1272D94059DA4375919C447455AFB083@xxxxxxx>
Content-Type: text/plain; charset="us-ascii"
> Unfortunately there are no full duplex HTs left in production. If used is
> OK, I can recommend the Kenwood D7, Yaesu FT-530 and 470, and Icom W32A.
> The 530 is my favorite for FM voice due to the subtune feature for the
receiver.
FWIW the FT-51R has memory tune as well as full duplex, although unlike the
FT-530/470 access to squelch and volume functions are through buttons rather
than knobs, making rapid twiddling of such controls difficult.
Over here, the D7 seems to have become my de facto standard, mainly due to
the value add of APRS/TNC functions.
73, Howard G6LVB
------------------------------
Message: 2
Date: Sat, 31 Jan 2009 16:01:43 -0900
From: Edward Cole <kl7uw@xxxxxxxxx.xxx>
Subject: [amsat-bb] Re: Optimum HT for FM satellite use?
To: <amsat-bb@xxxxx.xxx>
Message-ID: <200902010101.n1111h2v020772@xxxx.xxxxxxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"; format=flowed
Gordon,
I had the fortune to own a Kenwood TH7-D for awhile and would have
kept it if the original owner had not twisted my arm into selling it
back to him (It was for a charitable cause that he was donating the
radio). It was full cross-band duplex with built in TNC and APRS.
Although not an HT, the FT-817 is pretty portable with its carry
strap and works well for working Leos sats. The FT-817 is not
duplex, however, so I would say it is better suited to someone with
some experience working satellites. Being able to hear your own
signal with a cross-band duplex radio helps ensure that you are
operating properly.
And, beginners should remember the first rule in good satellite
operation: "Be able to hear the downlink well, before transmitting!"
A lot of beginners key up their transmitter and cause interference
while they still figuring out how to receive well.
PS: My favorite satellite radio remains my FT-847 (in the
shack)...now ten years old!
73, Ed - KL7UW
>----- Original Message -----
>From: "Gordon Bousman" <nw7d.ham@xxxxx.xxx>
>To: <amsat-bb@xxxxx.xxx>
>Sent: Saturday, January 31, 2009 10:50 AM
>Subject: [amsat-bb] Optimum HT for FM satellite use?
>
>
> > I'm getting started in satellite work and interested in purchasing a
> > suitable HT for portable satellite use using an Arrow antenna. Wondering
> > what is considered to be an optimum HT especially considering ease of
> > managing the Doppler shift during a pass. I understand that the HT must
> > be
> > full duplex capable and thus rules out some models.
> >
> > Thanks, Gordon, NW7D
------------------------------
Message: 3
Date: Sat, 31 Jan 2009 19:52:17 -0600
From: "Andy MacAllister" <w5acm@xxxxxx.xxx>
Subject: [amsat-bb] Re: Optimum HT for FM satellite use?
To: "'AMSAT BBS'" <amsat-bb@xxxxx.xxx>
Message-ID: <443B0365548743859C37B01370ABD920@xxxxxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
All,
It is tragic that there are no new full-duplex HTs out there.
I have been using an Alinco DJ-580T for my portable satellite ops. It is a
very good full-duplex HT, but seems to be a little less sensitive on 70cm
than the ICOM W32A. Allen N5AFV has made over 10,000 satellite contacts with
the W32A and the AL-800 long whip antenna. I recently purchased another very
nice DJ-580T on eBay and have modified some of my battery packs for LiPo
cells. I did some repair work on a DJ-582T a few months ago, and find that
to be another good full-duplex antique for satellite work. The 11.1V, 1600
mAh LiPo pack that I recently put together is very light. See p. 11 of the
January/February 2007 AMSAT Journal for info on hamsat fun while cruising.
My first portable satellite ops with the DJ-580T were via OSCAR-21 in 1992.
Listen for W5ACM/MM between February 8 and February 14 via AO-51. I hope to
put some new grids on the air while we are out on the water between
Galveston, Costa Maya, Cozumel and Roi Tan. I will have both DJ-580Ts, a
number of LiPo battery packs, etc. along for the ride.
I never got comfortable with my Kenwood TH-D7 via satellite, but it is a
rather amazing HT for all kinds of things. If I wasn't so familiar with the
simple controls on the DJ-580T, I would be using the TH-D7.
73 de Andy W5ACM
http://www.w5acm.net
----- Original Message -----
From: "Edward Cole" <kl7uw@xxxxxxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Sent: Saturday, January 31, 2009 7:01 PM
Subject: [amsat-bb] Re: Optimum HT for FM satellite use?
> Gordon,
>
> I had the fortune to own a Kenwood TH7-D for awhile and would have
> kept it if the original owner had not twisted my arm into selling it
> back to him (It was for a charitable cause that he was donating the
> radio). It was full cross-band duplex with built in TNC and APRS.
>
> Although not an HT, the FT-817 is pretty portable with its carry
> strap and works well for working Leos sats. The FT-817 is not
> duplex, however, so I would say it is better suited to someone with
> some experience working satellites. Being able to hear your own
> signal with a cross-band duplex radio helps ensure that you are
> operating properly.
>
> And, beginners should remember the first rule in good satellite
> operation: "Be able to hear the downlink well, before transmitting!"
> A lot of beginners key up their transmitter and cause interference
> while they still figuring out how to receive well.
>
> PS: My favorite satellite radio remains my FT-847 (in the
> shack)...now ten years old!
> 73, Ed - KL7UW
>
>
>>----- Original Message -----
>>From: "Gordon Bousman" <nw7d.ham@xxxxx.xxx>
>>To: <amsat-bb@xxxxx.xxx>
>>Sent: Saturday, January 31, 2009 10:50 AM
>>Subject: [amsat-bb] Optimum HT for FM satellite use?
>>
>>
>> > I'm getting started in satellite work and interested in purchasing a
>> > suitable HT for portable satellite use using an Arrow antenna.
>> > Wondering
>> > what is considered to be an optimum HT especially considering ease of
>> > managing the Doppler shift during a pass. I understand that the HT
>> > must
>> > be
>> > full duplex capable and thus rules out some models.
>> >
>> > Thanks, Gordon, NW7D
>
> _______________________________________________
> 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: Sat, 31 Jan 2009 21:07:17 -0600
From: "JoAnne Maenpaa" <k9jkm@xxxxxxx.xxx>
Subject: [amsat-bb] ANS-032 AMSAT News Service Weekly Bulletins
To: <amsat-bb@xxxxx.xxx>
Message-ID: <000701c9841a$30ff1790$92fd46b0$@xxx>
Content-Type: text/plain; charset="iso-8859-1"
AMSAT NEWS SERVICE
ANS-032
ANS is a free, weekly, news and information service of AMSAT North
America, The Radio Amateur Satellite Corporation. ANS reports on the
activities of a worldwide group of Amateur Radio operators who share an
active interest in designing, building, launching and communicating
through analog and digital Amateur Radio satellites.
Please send any amateur satellite news or reports to:
ans-editor@xxxxx.xxx
In this edition:
* You Can Tune the Delfi-C3 WebSDR Station
* DELFI-C3 in Science Mode
* Call For Papers/Presentations 35th Eastern VHF/UHF Conference
* SSETI Express on 437.250 MHz?
* Satellite Shorts From All Over
* K6DUE Call Now Part of ISS Amateur Radio Club
* ARISS Status Report for the Week of January 26, 2009
SB SAT @ AMSAT $ANS-032.01
You Can Tune the Delfi-C3 WebSDR Station
AMSAT News Service Bulletin 032.01
>From AMSAT HQ SILVER SPRING, MD.
February 1, 2009
To All RADIO AMATEURS
BID: $ANS-032.01
The Delfi-C3 control team has set up a WebSDR station at their
satellite command ground station in Delft, The Netherlands. Their
WebSDR station consists of receivers hooked up to a PC and then
the internet to enable multiple users to tune in to different
signals simultaneously.
At Delft one receiver is for VLF reception and one is currently
used for the 70cm satellite segment. Amateur Radio users can
access this unique experiment at http://websdr.pa3weg.nl/. Please
note that the Delfi team may occasionally retune the receivers to
experiment with them.
The hardware was built by Wouter-Jan Ubbels PE4WJ. The WebSDR soft-
ware was written by Pieter-Tjerk de Boer, PA3FWM. A beta testing phase
was begun in November 2008 with a few selected stations. Upon comple-
tion of the test phase the software will be made available to the
public on the WebSDR project at http://www.websdr.org.
Many thanks to Pieter-Tjerk de Boer, PA3FWM for providing this soft-
ware and Wouter Jan Ubbels, PE4WJ for building the receiver and pro-
viding the high sample rate sound card!
The Delfi-C3 Team's WebSDR receiver was used to copy and plot the
downlink from the STARS satellite. Screen shots of this experiment
can be viewed at:
http://www.pa3weg.nl/websdr/STARS_snapshot1_1024.png
http://www.pa3weg.nl/websdr/STARS_snapshot2_1024.png
http://www.pa3weg.nl/websdr/STARS_snapshot3_1024.png
http://www.pa3weg.nl/websdr/STARS_snapshot4_1024.png
[ANS thanks Wouter PA3WEG for the above information]
/EX
SB SAT @ AMSAT $ANS-032.02
DELFI-C3 in Science Mode
AMSAT News Service Bulletin 032.02
>From AMSAT HQ SILVER SPRING, MD.
February 1, 2009
To All RADIO AMATEURS
BID: $ANS-032.02
Wouter Jan Ubbels, PE4WJ reported that the Delfi-C3/DO-64 team
this week commanded the satellite into its science mode of operation.
After examination of telemetry and user reports the team concluded
that the linear transponder is no longer operational.
Delfi-C3/DO-64 has been operating in basic mode (a mode in which only
housekeeping mode is transmitted) for a number of months in order to
investigate this issue.
To make the best use of remaining satellite function the team switched
the satellite back to science mode. This mode yields valuable science
data about the Thin Film Solar Cell payload and the Autonomous Wireless
Sun Sensor payload which are the primary mission goals. The satellite
will use the primary downlink at 145.870MHz, transmitting 1200 Baud
AX.25 BPSK data. Note that the satellite reboots on 145.870 MHz whene
it comes out of eclipse because there is no battery on board. It is
possible, that the satellite may reboot on 145.930 MHz backup downlink.
If you hear Delfi-C3 / DO-64 on this frequency, your reports are highly
appreciated!
In contrast to basic mode operation where the downlink is on contin-
uously, downlink drop outs are likely to occur in science mode. It is
is possible that the satellite may not transmit during the entire pass
while in sunlight. If you hear the satellite, your reports are very
much appreciated! The Delfi team regularly posts the satellite status
on the Oscar status page at http://oscar.dcarr.org/ and encourage you
to do so as well.
Delfi telemetry can be received using the RASCAL program, which is
available at http://www.delfic3.nl/rascal At this moment, the total
amount of frames has exceeded the 500000 mark which amounts to approx-
imately 72.14 MB reported by Amateur Radio stations.
[ANS thanks Wouter Jan Ubbels, PE4WJ and the Delfi-C3 team for the
above information]
/EX
SB SAT @ AMSAT $ANS-032.03
Call For Papers/Presentations 35th Eastern VHF/UHF Conference
AMSAT News Service Bulletin 032.03
>From AMSAT HQ SILVER SPRING, MD.
February 1, 2009
To All RADIO AMATEURS
BID: $ANS-032.03
Conference Chairman and Proceedings Editor Bruce Wood, N2LIV
invites you to participate in the 35th Eastern VHF/UHF Conference
by presenting a technical paper or submitting one for publication
in the Conference Proceedings CD.
The aim of the Conference is to share with our fellow VHFer's and
above technical achievements in the field of communication and
experimentation. Your attendance is also welcome and a full program
is scheduled once again this year. If you are interested in present-
ing a paper at the conference or submitting one for the Proceedings
please contact: Bruce Wood, N2LIV at N2LIV@xxxx.xxx.
For the technical presentations, PowerPoint presentations are pre-
ferred, but not required. You do not need to be a speaker to have
your material included in the proceedings, just interested in sharing
with your fellow radio enthusiasts, so please send it along by
MARCH 15, 2009.
In addition to our technical presentations and world famous Band
sessions we'll have a new LAB Session with Noise Figure, Gain and
Power Measurements and a Manufacturers Demo area which will be open
Saturday afternoon. We encourage you to bring equipment to test.
We'll also have Greg Bonaguide, WA1VUG of Rohde & Schwarz America to
manage the preamp noise figure and gain measurement Lab Session
(0MHz-50GHz), and Mark Casey, K1MAP to head up the Sunday morning flea
market. Art Holmes W1RZF will head the Prize Donations.
Full details can be found at: http://www.newsvhf.com/vhfconf.html
35th EASTERN VHF/UHF CONFERENCE:
APRIL 17-19, 2009
CROWNE PLAZA HOTEL (860)-741-2211
1 BRIGHT MEADOW BLVD. (OFF RT.5)
ENFIELD, CT 06082
[ANS thanks Bruce Wood, N2LIV for the above information]
/EX
SB SAT @ AMSAT $ANS-032.04
SSETI Express on 437.250 MHz?
AMSAT News Service Bulletin 032.04
>From AMSAT HQ SILVER SPRING, MD.
February 1, 2009
To All RADIO AMATEURS
BID: $ANS-032.04
Graham, G3VZV mentioned that Amateur Radio operators may just have a
a very small chance of also hearing signals from XO53 - SSETI Express.
SSETI Express was launched in November 2005 but, due to a failure
within the power supply system on board, signals were only heard for
a few hours. Investigations made after the launch indicate that it is
just possible that the offending short circuit FET devices may, one day,
go open circuit. This would allow power from the solar panels to again
reach the electronics. It can be assumed that the batteries are pretty
useless by now so it would only be likely to operate when in sunlight.
SSETI Express was on 437.250 MHz - the same frequency as is now being
used by Japan's new PRISM satellite launched on January 23, 2009. If
by any chance you hear any strange noises on the frequency to please
let Graham know. In this context, "strange noises" could be either
short bursts of 9k6 data or even some very unusual "CW like" signals.
If these signals are present you may be copying a sub 1 second burst
of AX25 telemetry every 18 seconds or simple on/off telemetry compris-
ing 16 x 100msec carrier pulses which cycle either every 30 seconds
or every 2 minutes.
Graham summarized, "Similar satellite returns have happened in the
past!"
[ANS thanks Graham, G3VZV for the above information]
/EX
SB SAT @ AMSAT $ANS-032.05
Satellite Shorts From All Over
AMSAT News Service Bulletin 032.05
>From AMSAT HQ SILVER SPRING, MD.
February 1, 2009
To All RADIO AMATEURS
BID: $ANS-032.05
+ Satellite DX! Congratulations Joe, K3SZH for 8000 QSOs via AO-7.
Joe was copied in Brazil by PU2BFG in Mode B. Jean, F2IL has now
completed 4000 plus qsos via AO7. Congratulations Zlatko, 9A2SB on
your 1000 plus QSOs on AO7 in modes A&B. On January 15 Clare VE3NPC
worked CU2JX via AO-51 mode L/U.
+ Mike DK3WN has released software for the two new Japanase PRISM and
STARS satellites - CW TLM decoders.
See: http://www.dk3wn.info/software.shtml
+ Universe Today has a series of YouTube videos which give you a
personal tour of the ISS:
http://www.universetoday.com/2009/01/26/take-a-personal-tour-of-the-iss/
+ Bob, WB4APR is asking for help from antenna experts on very-short,
yet broadband antennas. Size: on the order of 3 feet or less;
operating freq: 10 MHz; BW: 500 KHz. Contact wb4apr@xxxxx.xxx if
you can help.
+ Congratulations to Roberto, IW5BSF who has been named Coordinator A.R.I
Satelliti ITALY by the Associazione Radiomatori Italy.
[ANS thanks everyone for the above information]
/EX
SB SAT @ AMSAT $ANS-032.06
K6DUE Call Now Part of ISS Amateur Radio Club
AMSAT News Service Bulletin 032.06
>From AMSAT HQ SILVER SPRING, MD.
February 1, 2009
To All RADIO AMATEURS
BID: $ANS-032.06
Via Amateur Radio Newsline Report 1642 - January 30 2009
The K6DUE callsign of the late NBC Newsman Roy Neal is now the call
of the International Space Station Amateur Radio Club. According
to ARISS International Chairman Frank Bauer, KA3HDO, the call letters
will initially be used for ground station operations but may be used
for other activities in the future.
For those not aware, Roy Neal, K6DUE, spent more than five decades
as a broadcaster specializing in science and aerospace reporting for
the National Broadcasting Company. He is generally credited with
convincing then NASA chief Jess Moore to permit ham gear to be flown
on board the early space shuttle missions. The first of these was STS-9
that carried Spacelab One and Mission Specialist Owen Garriott, W5LFL,
who made the first-ever ham radio contacts from a spacecraft on-orbit.
After Garriott's successful flight, Neal and several others formed the
group known as SAREX -- the Shuttle Amateur Radio Experiment. Later
called the Space Amateur Radio Experiment, it was a program that pro-
moted and supported the use of amateur radio by astronauts in low
earth orbit aboard the United States Space Shuttle. This, to com-
municate with other amateur radio stations around the world especially
those in classrooms as a scientific demonstration. It was superseded
by the Amateur Radio on the International Space Station or ARISS pro-
gram that we hear so much about today.
Roy Neal, K6DUE, passed away at age 82 on August 15, 2003, following
open heart surgery. On November 11th 2003 the Amateur Radio on the
International Space Station organization announced an on-the-air event
to commemorate Roy Neal's lifetime of achievements in ham radio. Now,
with the acquisition of his K6DUE call letters by the International
Space Station Amateur Radio Club, Roy Neal's contributions to manned
ham radio operations from space will live on in perpetuity.
[ANS thanks ARNewsline? and Frank Bauer, KA3HDO for the above information]
/EX
SB SAT @ AMSAT $ANS-032.07
ARISS Status Report for the Week of January 26, 2009
AMSAT News Service Bulletin 032.07
>From AMSAT HQ SILVER SPRING, MD.
February 1, 2009
To All RADIO AMATEURS
BID: $ANS-032.07
1. School Contacts
An ARISS contact was completed with Castor Valley Elementary School
in Greely, Ontario, Canada on Tuesday, January 27. A space club at
the school was formed for grades 1-8. Students from this group asked
questions of the astronaut. Students have learned about the ISS via
the internet and videos and through guest speakers. They have been
taught the correct radio protocol and have tracked and plotted the
course of the ISS. All classes have taken part in space projects
and activities. Media, members of the community, the school board
and other dignitaries were invited to attend.
An ARISS contact was completed for CERAM EAI in Sophia Antipolis,
Alpes Maritimes, France. The contact will take place on Thursday,
January 29 via telebridge station VK4KHZ in Australia. CERAM Uni-
versity conducts research projects in aviation, engineering and IT.
Amateur radio communications was introduced to students to prepare
for the contact.
Ecole & Coll?ge Jean XXIII, a private primary & secondary school in
Pamiers, France, completed an ARISS contact on Friday, January 30.
Five hundred students, ages 3 to 15 years old, attend the school.
Students in the third cycle classes (3rd - 5th grades) and those
in their second year of secondary school have studied radio commun-
ications. Radio operators from "l'Institut de D?veloppement des
Radiocommunications par l'Enseignement" (IDRE) have introduced radio
technology to the children. Topics included remote command use,
introduction to Morse code, ham radio phone contact, distress beacon
search, electronic kits, and different ham radio station possibilities.
This ARISS activity has been incorporated into the educational sub-
jects of Astronomy, History of Space Exploration, Geography and Writing.
Humber College Institute of Technology and Higher Learning in Toronto,
Ontario, Canada has been scheduled for an ARISS contact on Monday,
February 2 at 17:29 UTC. The school has concluded an extensive research
period in how waves travel through space and the Earth's atmosphere and
plans to put theory into practice. It has assembled the primary ground
station right on the main campus, and it is hoped that it will inspire
future students in conducting similar studies. With help from the media
department and a school contest, the school has been working to involve
every student in this project. With over seventy thousand students,
which include both full-time and part-time students, the college is
excited to promote this project within the community.
Pilton Bluecoat Junior School in Barnstaple, Devon, England has been
scheduled for an ARISS contact on Friday, February 6 at 14:48 UTC. The
school has planned an event with the theme "Our Home in Space - The Final
Frontier," in which students learn about Earth as part of the wider
universe. All classes took part in the initial selection of questions;
the final questions were chosen by the school council. Students have
studied the development of the ISS and the history of man in space.
Older children have written press releases.
St?dtisches Gymnasium Herzogenrath in Herzogenrath, North Rhine-
Westphalia, Germany has been scheduled for an ARISS contact on
Saturday, February 7 at 10:32 UTC. The school has an amateur radio
club whose members initiated the ARISS contact. The students prepared
a radio exhibition that was shared with the school. The English and
History departments have also participated in this activity. Stu-
dents competed in an essay contest and created projects related to
the "Space Race." Newspapers and television stations have been
invited to cover the event.
College of Agriculture, Central Agricultural University in Imphhal,
Assam, India has been scheduled for an ARISS contact on Sunday,
February 8 at 10:06 UTC via telebridge station VK4KHZ in Australia.
2. Children's Hospital Contact Successful
On Tuesday, January 20, patients at the Children's Hospital of
Eastern Ontario in Ottawa, Canada spoke with Sandra Magnus, KE5FYE,
during an ARISS contact. The children asked 16 questions of the
astronaut via telebridge station ON4ISS in Belgium. Due to the
hospital's infection protocol, media was kept from the event and
unable to access or interview the students directly. A represent-
ative from another children's hospital in Calgary was present and
was very impressed with the event; he plans to submit an ARISS
application for his hospital. The audio was fed into the EchoLink
AMSAT and JK1ZRW servers and into the IRLP Discovery reflector 9010.
EchoLink received 20 connections from 14 countries, including one
link node and two repeaters.
3. Astronaut Training Status
On Friday, January 23, Jeff Williams, KD5TVQ, received a refresher
course covering the ARISS radio equipment and operations. Williams
is scheduled to launch to the ISS in September and will take over
as commander in November 2009.
4. General Voice Contacts
Mike Fincke, KE5AIT and Yuri Lonchakov, RA3DT made several general
voice contacts over the last week. Among those contacted were
stations in France, Spain, Chile, Italy and the Netherlands.
5. ARRL QST Covers ARISS News
The American Radio Relay League (ARRL) printed 4 ARISS news items
in its February 2009 issue of QST.
On page 12, the "In Brief" column (a "what's been happening at ARRL
recently) mentions ARISS' 25th commemorative activities
"Inside Hq -- 2008 Year-End Review" (page 13) mentions that ARISS
"celebrated its 350th QSO (contact)."
A story on pages 54-55, "Amateur Radio and Public Education Make for
a Bright Future" is about a Kentucky high school teacher who included
amateur radio in his science curriculum. There is one small part
about him being excited about his students being able to garner an
ARISS contact.
The "75, 50, and 25 Years Ago" column on page 102 shows the cover
of February 1984 QST with Owen Garriott on the front, and the column
lists two bullet items for the February 1984-25 years-ago section:
the first being about Owen on the cover, and the second being that
QST printed an interview of Owen, and it says: "We all hope that
Amateur Radio will continue to be a part of the space shuttle missions."
[ANS thanks Carol, KB3LKI for the above information]
/EX
In addition to regular membership, AMSAT offers membership in the
President's Club. Members of the President's Club, as sustaining donors
to AMSAT Project Funds, will be eligible to receive additional benefits.
Application forms are available from the AMSAT Office. With that recall
the amateur radio operator who thought he saw an eye doctor on an Alas-
kan island, but it was just an optical Aleutian.
73,
This week's ANS Editor,
JoAnne Maenpaa, K9JKM
K9JKM at amsat dot org
------------------------------
Message: 5
Date: Sat, 31 Jan 2009 23:22:01 -0500 (EST)
From: "Bob Bruninga " <bruninga@xxxx.xxx>
Subject: [amsat-bb] Re: Optimum HT for FM satellite use?
To: amsat-bb@xxxxx.xxx
Message-ID: <20090131232201.AIU45587@xxx.xxxxxxx.xxxx.xxx>
Content-Type: text/plain; charset=us-ascii
> FWIW the FT-51R has memory tune
> as well as full duplex, ...
And another thing the FT51R has is DTMF Text Messaging. This is compatible
with the TH-78 as well.
There are dozens of thousands of these radios out there, and we hope to
integrate their TEXT Messaging capabilties into the global D7 and other APRS
text messaging and Email system as part of the Universal Ham Radio Text
Messaging System.
The goal is text messaging by callsign alone, between any hams, anywhere,
anytime, using any device.
see www.aprs.org/aprs-messaging.html
All we need is a little software as a gateway.
... So we are looking for an idle programmer...
Bob WB4APR
------------------------------
_______________________________________________
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 51
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