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CX2SA > SATDIG 11.09.19 18:30z 1060 Lines 26837 Bytes #999 (0) @ WW
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Sent: 190911/1723Z @:CX2SA.SAL.URY.SOAM #:13884 [Salto] FBB7.00e $:AMSATBB14345
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To : SATDIG@WW
Today's Topics:
1. Upcoming ARISS Contact Schedule as of 2019-09-10 02:00 UTC
(aj9n@???.????
2. AO-07 Popularity? (James Pierce)
3. Re: AO-07 Popularity? (Glen Zook)
4. Re: AO-07 Popularity? (Burns Fisher)
5. Roving (Corlissbs)
6. Improvements to the AMSAT Live OSCAR Satellite Status Page
(Joseph B. Fitzgerald)
7. Upcoming ARISS Contact Schedule as of 2019-09-11 15:00 UTC
(aj9n@???.????
8. ELANA 25 CUBESAT DEPLOYMENT (cchunter3@??????????.????
9. Re: ELANA 25 CUBESAT DEPLOYMENT (Paul Stoetzer)
10. AO-7 Mode A transponder question (Alan)
----------------------------------------------------------------------
Message: 1
Date: Tue, 10 Sep 2019 02:28:45 +0000 (UTC)
From: aj9n@???.???
To: amsat-bb@?????.???
Subject: [amsat-bb] Upcoming ARISS Contact Schedule as of 2019-09-10
02:00 UTC
Message-ID: <746042928.3213745.1568082525235@????.?????.???>
Content-Type: text/plain; charset=UTF-8
Upcoming ARISS Contact Schedule as of 2019-09-10 02:00 UTC
?
Quick list of scheduled contacts and events:
?
Templestowe College, Melbourne, Victoria, Australia, telebridge via VK6MJ
The ISS callsign is presently scheduled to be NA1SS
The scheduled astronaut is Nick Hague KG5TMV
Contact is go for: Wed 2019-09-18 08:06:32 UTC 42 deg
?
Boys and Girls Club, Ft. Meade, MD., telebridge via VK4KHZ
The ISS callsign is presently scheduled to be NA1SS
The scheduled astronaut is Nick Hague KG5TMV (***)
Contact is go for: Fri 2019-09-20 19:58:23 UTC 54 deg
?
?
AMSAT-UK International Space Colloquium
Sat 2019-10-12 to Sun 2019-10-13
?
?
The ARISS webpage is at http://www.ariss.org/ ???
Note that there are links to other ARISS websites from this site.
?
The main page for Applying to Host a Scheduled Contact may be found at
http://www.ariss.org/apply-to-host-an-ariss-contact.html ???
ARISS Contact Applications (United States)
?
?
For many years I have on purpose not given the actual hyperlinks; I assume
the user would do a copy/paste into their favorite browser.? I am now
thinking that the browsers have all grown up and most should be able to
handle the link.? Please let me know you experience any issues.? So now you
should be able to directly click on the link.? (***)
?
Note, all times are approximate. ?It is recommended that you do your own
orbital prediction?or start listening about 10 minutes before the listed
time.
All dates and times listed follow International Standard ISO 8601 date and
time format YYYY-MM-DD HH:MM:SS
?
The complete schedule page has been updated as of?2019-09-10 02:00 UTC.? (***)
Here you will find a listing of all scheduled?school contacts, and
questions, other ISS related websites, IRLP and Echolink websites, and
instructions for any contact that may be streamed live.
?
http://www.amsat.org/amsat/ariss/news/arissnews.rtf
http://www.amsat.org/amsat/ariss/news/arissnews.txt
?
?
The successful school list has been updated as of 2019-09-03 17:30 UTC.
http://www.amsat.org/amsat/ariss/news/Successful_ARISS_schools.rtf
?
?
?
The ARISS webpage is at http://www.ariss.org/ ???
Note that there are links to other ARISS websites from this site.
?
The main page for Applying to Host a Scheduled Contact may be found at
http://www.ariss.org/apply-to-host-an-ariss-contact.html ???
?
ARISS Contact Applications (United States)
?
The ARISS webpage is at http://www.ariss.org/ ???
Note that there are links to other ARISS websites from this site.
?
******************************************************************************
******************************************************************************
****************
ARISS Contact Applications (Europe, Africa and the Middle East)
?
Schools and Youth organizations in Europe, Africa and the Middle East
interested in setting up an ARISS radio contact with an astronaut on board
the International Space Station are invited to submit an application from
September to October and from February to April.
Please refer to details and the application form at
www.ariss-eu.org/school-contacts.? Applications should be addressed by email
to:? school.selection.manager@????????.???
?
ARISS Contact Applications (Canada, Central and South America, Asia and
Australia and Russia)
?
Organizations outside the United States can apply for an ARISS contact by
filling out an application.? Please direct questions to the appropriate
regional representative listed below. If your country is not specifically
listed, send your questions to the nearest ARISS Region listed. If you are
unsure which address to use, please send your question to the ARISS-Canada
representative; they will forward your question to the appropriate
coordinator.
?
For the application, go to:? http://www.ariss.org/ariss-application.html.
ARISS-Canada and the Americas, except USA: Steve McFarlane, VE3TBD email to:
ve3tbd@?????.???
ARISS-Japan, Asia, Pacific and Australia: Satoshi Yasuda, 7M3TJZ email to:
ariss@???????.???? Japan Amateur Radio League (JARL) http://www.jarl.org/
ARISS-Russia: Soyuz Radioljubitelei Rossii (SRR) https://srr.ru/
?
?
******************************************************************************
ARISS is always glad to receive listener reports for the above contacts.?
ARISS thanks everyone in advance for their assistance.? Feel free to send
your reports to aj9n@?????.??? or aj9n@???.???.
?
Listen for the ISS on the downlink of 145.8? MHz.
?
******************************************************************************
*
?
All ARISS contacts are made via the Kenwood radio unless otherwise noted.
?
******************************************************************************
*
Several of you have sent me emails asking about the RAC ARISS website and
not being able to get in. ?That has now been changed to http://www.ariss.org/
?
Note that there are links to other ARISS websites from this site.
?
****************************************************************************
Looking for something new to do?? How about receiving DATV from the ISS??
Please note that the HamTV system has been brought back to earth for
troubleshooting.? Please monitor ARISS-EU or ARISS-ON for the very latest
news on the troubleshooting efforts.?
?
If interested, then please go to the ARISS-EU website for complete details.?
Look for the buttons indicating Ham Video.????????????
?
http://www.ariss-eu.org/
?
If you need some assistance, ARISS mentor Kerry N6IZW, might be able to
provide some insight.? Contact Kerry at kbanke@?????????.???
?
?
The HamTV webpage:? https://www.amsat-on.be/hamtv-summary/
?
?
****************************************************************************
ARISS congratulations the following mentors who have now mentored over 100
schools:
?
Satoshi 7M3TJZ with 136
Francesco IK?WGF with 132
Gaston ON4WF with 123
Sergey RV3DR with 120
?
****************************************************************************
The webpages listed below were all reviewed for accuracy. Out of date
webpages were removed, and new ones have been added.? If there are additional
ARISS websites I need to know about, please let me know.
?
?
?
Total number of ARISS ISS to earth school events is 1329.
Each school counts as 1 event.
Total number of ARISS ISS to earth school contacts is 1272.
Each contact may have multiple schools sharing the same time slot.
Total number of ARISS supported terrestrial contacts is 47.
?
A complete year by year breakdown of the contacts may be found in the
file.
http://www.amsat.org/amsat/ariss/news/arissnews.rtf
?
Please feel free to contact me if more detailed statistics are needed.
?
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
The following US states and entities have never had an ARISS contact:
South Dakota, Wyoming, American?Samoa, Guam, Northern Marianas Islands, and
the Virgin Islands.
?
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
?
QSL information may be found at:
http://www.ariss.org/qsl-cards.html
?
ISS callsigns: DP?ISS, IR?ISS, NA1SS, OR4ISS, RS?ISS
?
****************************************************************************
Frequency chart for packet, voice, and crossband repeater modes showing
Doppler correction? as of 2005-07-29 04:00 UTC
http://www.amsat.org/amsat/ariss/news/ISS_frequencies_and_Doppler_correction.r
tf
Check out the Zoho reports of the ARISS contacts
?
https://reports.zoho.com/ZDBDataSheetView.cc?DBID=412218000000020415
****************************************************************************
?
Exp. 59 on orbit
Christina Koch
Aleksey Ovchinin
Nick Hague KG5TMV
?
Exp. 60 on orbit
Luca Parmitano KF5KDP
Alexander Skvortsov
Drew Morgan KI5AAA
?
****************************************************************************
73,
Charlie?Sufana AJ9N
One of the ARISS operation team mentors
?
------------------------------
Message: 2
Date: Tue, 10 Sep 2019 15:49:31 +1000
From: James Pierce <james@???????????.???>
To: amsat-bb@?????.???
Subject: [amsat-bb] AO-07 Popularity?
Message-ID: <F6F0A7C6-5522-4ABC-9A43-DDD2F7A42AAF@???????????.???>
Content-Type: text/plain; charset=utf-8
I?ve put out calls a number of times on AO-07 as it passes over Australia
and while I hear my own single back clearly I?ve never had a reply. I guess
I?m curious if there is a calling protocol I?m missing, or a particular part
of the passband etc? As a higher altitude bird with great coverage it would
seems logical to me that it would be popular? Am I missing something?
James.
------------------------------
Message: 3
Date: Tue, 10 Sep 2019 14:11:21 +0000 (UTC)
From: Glen Zook <gzook@?????.???>
To: amsat-bb@?????.???? James Pierce <james@???????????.???>
Subject: Re: [amsat-bb] AO-07 Popularity?
Message-ID: <112474129.5318594.1568124681397@????.?????.???>
Content-Type: text/plain; charset=UTF-8
It takes a little more effort to utilize either Mode A or Mode B than a
handheld radio and a handheld antenna like many are using to access the FM
satellites.? Also, at least in this country, a fair number of operators have
only FM equipment for either 2-meters or 70 cm and not CW / SSB equipment
that is required to operate through OSCAR VII.
As such, much less activity than when the satellite first went "up" in the
1970s.
Glen, K9STH?AMSAT-239 / LM-463
Website: https://k9sth.net
On Tuesday, September 10, 2019, 07:23:47 AM CDT, James Pierce via
AMSAT-BB <amsat-bb@?????.???> wrote:
I?ve put out calls a number of times on AO-07 as it passes over Australia
and while I hear my own single back clearly I?ve never had a reply.? I guess
I?m curious if there is a calling protocol I?m missing, or a particular part
of the passband etc? As a higher altitude bird with great coverage it would
seems logical to me that it would be popular? Am I missing something?
------------------------------
Message: 4
Date: Tue, 10 Sep 2019 12:37:18 -0400
From: Burns Fisher <wb1fj-bb@??????.??>
To: James Pierce <james@???????????.???>
Cc: AMSAT BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] AO-07 Popularity?
Message-ID:
<CABX7KxVeioOsO3PADJxSzXNo4s5Hq11U9w6cmd2NmR1CdhUU3g@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
AO-7 also works best in a small sweet spot in its passband. If you don't
know that it can be frustrating to hear yourself all garbled. All that
said, I think most linears have relatively low use. What is your
experience in Australia with the XW satellites (which work absolutely
great!)?
On Tue, Sep 10, 2019 at 8:24 AM James Pierce via AMSAT-BB <
amsat-bb@?????.???> wrote:
> I?ve put out calls a number of times on AO-07 as it passes over Australia
> and while I hear my own single back clearly I?ve never had a reply. I
> guess I?m curious if there is a calling protocol I?m missing, or a
> particular part of the passband etc? As a higher altitude bird with great
> coverage it would seems logical to me that it would be popular? Am I
> missing something?
>
> James.
> _______________________________________________
> Sent via AMSAT-BB@?????.???. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 5
Date: Tue, 10 Sep 2019 15:02:42 -0500
From: Corlissbs <corlissbs@???.???>
To: amsat-bb@?????.???
Subject: [amsat-bb] Roving
Message-ID: <432C6808-3237-4AF6-A91F-0D381E88F210@???.???>
Content-Type: text/plain; charset=utf-8
I will be traveling in EN54 and EN64 on Sept. 13th, 14th and 15th and will
try to work passes of AO-91 and AO-92. Brad KC9UQR
Sent from Brad?s iPad
------------------------------
Message: 6
Date: Wed, 11 Sep 2019 02:45:57 +0000
From: "Joseph B. Fitzgerald" <jfitzgerald@????.???.???>
To: "amsat-bb@?????.???? <amsat-bb@?????.???>
Subject: [amsat-bb] Improvements to the AMSAT Live OSCAR Satellite
Status Page
Message-ID:
<MWHPR2201MB1645F400330DFD551DA2ECCC87B10@???????????????.????????.????.??????
?.???>
Content-Type: text/plain; charset="iso-8859-1"
Thanks to the efforts of new member Ed, KN6DBC, improvements have been made
to www.amsat.org/status<http://www.amsat.org/status>, specifically, some
filtering of the "Your Callsign" field has been added in an effort to
reject the occasional nonsense report. The entry must look like a
callsign, for example it must have at least one digit, it must not end with
a digit etc.
As a bonus, the"Your Grid Square" field has been added. Separate entries
are now preferred instead of workarounds like KM1P-FN42.
AMSAT maintains this page to give a single global reference point for all
users in the Amateur Satellite Service to show the most up-to-date status of
all satellites as actually reported in real time by users around the world.
Please help others and keep it current every time you access a bird.
73 de KM1P Joe
------------------------------
Message: 7
Date: Wed, 11 Sep 2019 14:57:14 +0000 (UTC)
From: aj9n@???.???
To: amsat-bb@?????.???
Subject: [amsat-bb] Upcoming ARISS Contact Schedule as of 2019-09-11
15:00 UTC
Message-ID: <1970116063.3807142.1568213834647@????.?????.???>
Content-Type: text/plain; charset=UTF-8
Upcoming ARISS Contact Schedule as of 2019-09-11 15:00 UTC
?
Quick list of scheduled contacts and events:
?
Templestowe College, Melbourne, Victoria, Australia, telebridge via VK6MJ
The ISS callsign is presently scheduled to be NA1SS
The scheduled astronaut is Nick Hague KG5TMV
Contact is go for: Wed 2019-09-18 08:06:32 UTC 42 deg
?
Boys and Girls Club, Ft. Meade, MD., telebridge via VK4KHZ
The ISS callsign is presently scheduled to be NA1SS
The scheduled astronaut is Nick Hague KG5TMV (***)
Contact is go for: Fri 2019-09-20 19:58:23 UTC 54 deg
?
School in Bulgaria, direct via TBD (***)
The ISS callsign is presently scheduled to be RS?ISS (***)
The scheduled astronaut is TBD
Contact is go for Tue 2019-09-24 16:10 UTC (***)
?
?
?
AMSAT-UK International Space Colloquium
Sat 2019-10-12 to Sun 2019-10-13
?
?
The ARISS webpage is at http://www.ariss.org/ ???
Note that there are links to other ARISS websites from this site.
?
The main page for Applying to Host a Scheduled Contact may be found at
http://www.ariss.org/apply-to-host-an-ariss-contact.html ???
ARISS Contact Applications (United States)
?
?
For many years I have on purpose not given the actual hyperlinks; I assume
the user would do a copy/paste into their favorite browser.? I am now
thinking that the browsers have all grown up and most should be able to
handle the link.? Please let me know you experience any issues.? So now you
should be able to directly click on the link.? (***)
?
Note, all times are approximate. ?It is recommended that you do your own
orbital prediction?or start listening about 10 minutes before the listed
time.
All dates and times listed follow International Standard ISO 8601 date and
time format YYYY-MM-DD HH:MM:SS
?
The complete schedule page has been updated as of?2019-09-11 15:00 UTC.? (***)
Here you will find a listing of all scheduled?school contacts, and
questions, other ISS related websites, IRLP and Echolink websites, and
instructions for any contact that may be streamed live.
?
http://www.amsat.org/amsat/ariss/news/arissnews.rtf
http://www.amsat.org/amsat/ariss/news/arissnews.txt
?
?
The successful school list has been updated as of 2019-09-03 17:30 UTC.
http://www.amsat.org/amsat/ariss/news/Successful_ARISS_schools.rtf
?
?
?
The ARISS webpage is at http://www.ariss.org/ ???
Note that there are links to other ARISS websites from this site.
?
The main page for Applying to Host a Scheduled Contact may be found at
http://www.ariss.org/apply-to-host-an-ariss-contact.html ???
?
ARISS Contact Applications (United States)
?
The ARISS webpage is at http://www.ariss.org/ ???
Note that there are links to other ARISS websites from this site.
?
******************************************************************************
******************************************************************************
****************
ARISS Contact Applications (Europe, Africa and the Middle East)
?
Schools and Youth organizations in Europe, Africa and the Middle East
interested in setting up an ARISS radio contact with an astronaut on board
the International Space Station are invited to submit an application from
September to October and from February to April.
Please refer to details and the application form at
www.ariss-eu.org/school-contacts.? Applications should be addressed by email
to:? school.selection.manager@????????.???
?
ARISS Contact Applications (Canada, Central and South America, Asia and
Australia and Russia)
?
Organizations outside the United States can apply for an ARISS contact by
filling out an application.? Please direct questions to the appropriate
regional representative listed below. If your country is not specifically
listed, send your questions to the nearest ARISS Region listed. If you are
unsure which address to use, please send your question to the ARISS-Canada
representative; they will forward your question to the appropriate
coordinator.
?
For the application, go to:? http://www.ariss.org/ariss-application.html.
ARISS-Canada and the Americas, except USA: Steve McFarlane, VE3TBD email to:
ve3tbd@?????.???
ARISS-Japan, Asia, Pacific and Australia: Satoshi Yasuda, 7M3TJZ email to:
ariss@???????.???? Japan Amateur Radio League (JARL) http://www.jarl.org/
ARISS-Russia: Soyuz Radioljubitelei Rossii (SRR) https://srr.ru/
?
?
******************************************************************************
ARISS is always glad to receive listener reports for the above contacts.?
ARISS thanks everyone in advance for their assistance.? Feel free to send
your reports to aj9n@?????.??? or aj9n@???.???.
?
Listen for the ISS on the downlink of 145.8? MHz.
?
******************************************************************************
*
?
All ARISS contacts are made via the Kenwood radio unless otherwise noted.
?
******************************************************************************
*
Several of you have sent me emails asking about the RAC ARISS website and
not being able to get in. ?That has now been changed to http://www.ariss.org/
?
Note that there are links to other ARISS websites from this site.
?
****************************************************************************
Looking for something new to do?? How about receiving DATV from the ISS??
Please note that the HamTV system has been brought back to earth for
troubleshooting.? Please monitor ARISS-EU or ARISS-ON for the very latest
news on the troubleshooting efforts.?
?
If interested, then please go to the ARISS-EU website for complete details.?
Look for the buttons indicating Ham Video.????????????
?
http://www.ariss-eu.org/
?
If you need some assistance, ARISS mentor Kerry N6IZW, might be able to
provide some insight.? Contact Kerry at kbanke@?????????.???
?
?
The HamTV webpage:? https://www.amsat-on.be/hamtv-summary/
?
?
****************************************************************************
ARISS congratulations the following mentors who have now mentored over 100
schools:
?
Satoshi 7M3TJZ with 136
Francesco IK?WGF with 132
Gaston ON4WF with 123
Sergey RV3DR with 120
?
****************************************************************************
The webpages listed below were all reviewed for accuracy. Out of date
webpages were removed, and new ones have been added.? If there are additional
ARISS websites I need to know about, please let me know.
?
?
?
Total number of ARISS ISS to earth school events is 1329.
Each school counts as 1 event.
Total number of ARISS ISS to earth school contacts is 1272.
Each contact may have multiple schools sharing the same time slot.
Total number of ARISS supported terrestrial contacts is 47.
?
A complete year by year breakdown of the contacts may be found in the
file.
http://www.amsat.org/amsat/ariss/news/arissnews.rtf
?
Please feel free to contact me if more detailed statistics are needed.
?
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
The following US states and entities have never had an ARISS contact:
South Dakota, Wyoming, American?Samoa, Guam, Northern Marianas Islands, and
the Virgin Islands.
?
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
?
QSL information may be found at:
http://www.ariss.org/qsl-cards.html
?
ISS callsigns: DP?ISS, IR?ISS, NA1SS, OR4ISS, RS?ISS
?
****************************************************************************
Frequency chart for packet, voice, and crossband repeater modes showing
Doppler correction? as of 2005-07-29 04:00 UTC
http://www.amsat.org/amsat/ariss/news/ISS_frequencies_and_Doppler_correction.r
tf
Check out the Zoho reports of the ARISS contacts
?
https://reports.zoho.com/ZDBDataSheetView.cc?DBID=412218000000020415
****************************************************************************
?
Exp. 59 on orbit
Christina Koch
Aleksey Ovchinin
Nick Hague KG5TMV
?
Exp. 60 on orbit
Luca Parmitano KF5KDP
Alexander Skvortsov
Drew Morgan KI5AAA
?
****************************************************************************
73,
Charlie?Sufana AJ9N
One of the ARISS operation team mentors
?
------------------------------
Message: 8
Date: Wed, 11 Sep 2019 08:23:14 -0700 (GMT-07:00)
From: <cchunter3@??????????.???>
To: amsat-bb@?????.???
Subject: [amsat-bb] ELANA 25 CUBESAT DEPLOYMENT
Message-ID:
<1488562271.3678.1568215394741@????????????.???.??.?????????.???>
Content-Type: text/plain; charset=UTF-8
Some interesting cubesats as described in the IARU coordination pages.
the next cubesat deployment from the ISS (Oct 2019):
Experimenting with Emergency Comms linking - AzTechSat-1 ? NASA Ames
Research Center, Moffett Field, California
http://www.amsatuk.me.uk/iaru/finished_detail.php?serialnum=661
APRS packet digi (145.825) TJREVERB ? Thomas Jefferson High School,
Alexandria, Virginia;
http://www.amsatuk.me.uk/iaru/finished_detail.php?serialnum=603
this group also includes the HuskeySat, and the Neutron-1 already posted.
five of these cubesats cant find IARU coordination.
all 15 listed at the ELana site:
https://www.nasa.gov/content/upcoming-elana-cubesat-launches
73 Christy KB6LTY
------------------------------
Message: 9
Date: Wed, 11 Sep 2019 11:37:45 -0400
From: Paul Stoetzer <n8hm@????.???>
To: christy hunter <cchunter3@??????????.???>
Cc: AMSAT BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] ELANA 25 CUBESAT DEPLOYMENT
Message-ID:
<CABzOSOrJNoW71H077OT8Lmdd-sGebWi3nR5ZH9sc6KUvyhTavg@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
Just a note - HuskySat-1 will not deploy from the ISS. When the Cygnus
completes its mission at the station, it will raise its orbit to around 500
km and then HuskySat-1 (as well as SwampSat) will be deployed.
73,
Paul, N8HM
On Wed, Sep 11, 2019 at 11:32 AM KB6LTY via AMSAT-BB <amsat-bb@?????.???>
wrote:
> Some interesting cubesats as described in the IARU coordination pages.
> the next cubesat deployment from the ISS (Oct 2019):
> Experimenting with Emergency Comms linking - AzTechSat-1 ? NASA Ames
> Research Center, Moffett Field, California
> http://www.amsatuk.me.uk/iaru/finished_detail.php?serialnum=661
>
> APRS packet digi (145.825) TJREVERB ? Thomas Jefferson High School,
> Alexandria, Virginia;
> http://www.amsatuk.me.uk/iaru/finished_detail.php?serialnum=603
>
> this group also includes the HuskeySat, and the Neutron-1 already posted.
>
> five of these cubesats cant find IARU coordination.
> all 15 listed at the ELana site:
> https://www.nasa.gov/content/upcoming-elana-cubesat-launches
>
> 73 Christy KB6LTY
>
> _______________________________________________
> Sent via AMSAT-BB@?????.???. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 10
Date: Wed, 11 Sep 2019 12:16:43 -0500
From: "Alan" <wa4sca@?????.???>
To: <amsat-bb@?????.???>
Subject: [amsat-bb] AO-7 Mode A transponder question
Message-ID: <000001d568c4$af646a50$0e2d3ef0$@?????.???>
Content-Type: text/plain; charset="us-ascii"
The Mode B transponder has, due to varying noise and sensitivity, some
documented "sweet spots." Mode A, while not as popular, does get some use.
Are there any observed equivalent frequencies?
73,
Alan
WA4SCA
-----------------------------------
Freedom is the freedom to say that two plus two make four.
If that is granted, all else follows.
George Orwell
------------------------------
Subject: Digest Footer
_______________________________________________
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End of AMSAT-BB Digest, Vol 14, Issue 345
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