The AMSAT News Service bulletins are a
free, weekly news and infor-
mation service of AMSAT, The Radio Amateur
Satellite Corporation. ANS
publishes news related to Amateur Radio in Space
including reports on
the activities of a worldwide group of Amateur Radio
operators who
share an active interest in designing, building, launching and
commun-
icating through analog and digital Amateur Radio
satellites.
The news feed on http://www.amsat.org publishes news of
Amateur
Radio in Space as soon as our volunteers can post it.
Please
send any amateur satellite news or reports to:
ans-editor at
amsat.org.
You can sign up for free e-mail delivery of the AMSAT News
Service
Bulletins via the ANS List; to join this list see:
http://www.amsat.org/mailman/listinfo/ans
In
this edition:
* HuskySat-1 With AMSAT VHF/UHF Linear Transponder Planned
for Deployment Soon
* Celebration of 50th Anniversary of Australis-OSCAR
5
* ARRL to Argue for Continued Access to 3-GHz Spectrum as FCC Sets Comment Deadlines
* FO-99 (NEXUS) 1st Anniversary Report
* Amateurs in the
News: “96-year-old Amateur Radio operator at Ontario Science Centre speaks
with astronaut"
* Upcoming ARISS Contacts
* Upcoming AMSAT Events
*
Upcoming Satellite Operations
* Satellite Shorts From All Over
SB
SAT @ AMSAT $ANS-026.01
ANS-026 AMSAT News Service Weekly
Bulletins
AMSAT News Service Bulletin 026.01
From AMSAT HQ
KENSINGTON, MD.
DATE January 26, 2020
To All RADIO AMATEURS
BID:
$ANS-026.01
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AMSAT's GOLF-TEE satellite recently reached a major milestone
when
prototype boards transmitted telemetry for the first time.
Help support
AMSAT's path back to HEO by donating today!
https://www.amsat.org/donations/amsat-golf-program-donations/
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HuskySat-1
With AMSAT VHF/UHF Linear Transponder Planned for
Deployment Soon
The
University of Washington's HuskySat-1 3U cubesat was launched on
the Northrop
Grumman NG-12 Cygnus supply mission to the ISS on Novem-
ber 2. HuskySat-1
has remained stowed aboard Cygnus scheduled for de-
ployment after the cargo
ship unberths from the International Space
Station. Unberthing is scheduled
for 1435 UTC (9:35 am EST) on Jan 31
and will be covered live on NASA
TV.
Within 24 hours after departure from the ISS, HuskySat-1 and
SwampSat
will be deployed into orbit. After deployment, HuskySat-1’s 1,200
bps
BPSK beacon on 435.800 MHz should be active and decodable with
the
latest release of AMSAT's FoxTelem software. HuskySat-1 is expected
to
run its primary mission before being turned over to AMSAT for
amateur
radio operation. HuskySat-1 features a 30 kHz wide 145 to 435
MHz
linear transponder for
SSB/CW.
HuskySat-1
----------
Uplink: 145.910 - 145.940 MHz
LSB/CW
Downlink: 435.840 - 435.810 MHz USB/CW (inverting)
Telemetry:
435.800 MHz 1K2 bps BPSK
24049.00 MHz (U of Washington
experimental downlink)
The latest version of FoxTelem software to decode
the 1200 bps BPSK
beacon is available at: https://www.amsat.org/tlm
The
Fox-In-A-Box FoxTelem software has been updated for HuskySat-1
Operation at
it's download website:
http://burnsfisher.com/AMSAT/FoxInABox
This
release now contains the SD card image, FIAB-distro8-V1.08w.zip.
This file,
when unzipped and written to a 16Gb SD card will give you
the latest software
for FoxTelem and will run on a Raspberry Pi 4.
This is an image of the same
SD card that has been shipping from the
AMSAT store for several weeks. (It
should work on an 8Gb card as well
with less room to spare of
course).
Version 1.08w has a few fixes from the previous 1.08r which was
the
previous download version. Improvements to the decoder will
capture
data a bit better. Remember that the later 1.08 versions
(including
r and w) know how to switch bands between listening on VHF and
UHF
based on which of Fox and Husky satellites are overhead at the
time.
(Fox-In-A-Box information thanks to Burns Fisher, WB1FJ)
The
linear transponder and telemetry system carried aboard Fox-1E
was designed
for use in different CubeSats by merely adding an inter-
face adapter for
connection to the host bus. Noting the prevalence of
CubeSats built and
launched by universities and other organizations,
AMSAT adopted a goal of
“amateur radio in every CubeSat.” Interested
CubeSat programs wanting to fly
an amateur radio payload may partner
with AMSAT to carry one of these modules
on their spacecraft. By pro-
viding amateur radio capability, the CubeSat
program gets a worldwide
ground station network to receive their telemetry
and experiment data
while the amateur radio community gets a transponder to
use in orbit.
Additional information is posted on the University of
Washington Husky
Satellite Lab pages:
https://sites.google.com/uw.edu/huskysatellitelab/huskysat-1
https://sites.google.com/uw.edu/huskysatellitelab/huskysat-1/com1
[ANS
thanks the HuskySat-1 Team, AMSAT Engineering, AMSAT Operations,
the Fox
Telemetry Team, and NASA for the above
information]
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Purchase AMSAT Gear on our Zazzle storefront.
25% of the purchase
price of each product goes
towards Keeping Amateur Radio in
Space
https://www.zazzle.com/amsat_gear
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Celebration
of 50th Anniversary of Australis-OSCAR 5
January 23, 2020 was the 50th
anniversary of the launch of Australis-
OSCAR 5. The first satellite built in
Australia, arranging its launch
was AMSAT's first project following the
creation of the organization
in 1969.
AO-5 launched along with TIROS-M
(later ITOS-1) on a Delta rocket from
the west pad of Space Launch Complex 2
at Vandenberg Air Force Base.
Built by students at The University of
Melbourne, Melbourne, Victoria,
Australia. Battery powered, Australis-OSCAR 5
transmitted telemetry on
both 2 meter (144.050 MHz at 50 mW) and 10 meter
(29.450 MHz at 250
mW) bands that operated for 23 and 46 days respectively.
Passive
magnetic attitude stabilization was performed by carrying two
bar
magnets to align with the Earth's magnetic field in order to provide
a
favorable antenna footprint. The University of Melbourne compiled
tracking
reports from hundreds of stations in 27 countries.
Australis-OSCAR 5 was
the first amateur satellite that was remotely
controlled. The control logic
is a direct predecessor to the control
systems used by AMSAT in AMSAT-OSCAR
6, AMSAT-OSCAR 7, and AMSAT-OSCAR
8.
Two of the builders of AO-5, Dr.
Owen Mace and Richard Tonkin, spoke
at the 2019 AMSAT Space Symposium this
past October and participated
in a panel on "The Foundations of AMSAT." Video
of the panel
presentations can be viewed at https://tinyurl.com/ANS-026-AO-5
On
January 22nd, Tonkin appeared on The Space Show Australia Summer
Edition on
88.3 Southern FM in Victoria to discuss AO-5. The episode
can be heard at https://tinyurl.com/ANS-026-SpaceShow
Mace
and Tonkin have written a book about the story of AO-5. The
second edition of
the book was released in December. More information
about the satellite and
the book can be found at
https://australis-oscar5.weebly.com/
A
50th anniversary celebration will be held on February 27th at the
University
of Melbourne.
[ANS thanks AMSAT for the above
information]
---------------------------------------------------------------------
ARRL
to Argue for Continued Access to 3-GHz Spectrum as FCC Sets
Comment
Deadlines
At its January meeting, the ARRL Board of Directors instructed
the
League’s FCC counsel to prepare a strong response to protect
amateur
access to spectrum in the 3 GHz range. In its Notice of Proposed
Rule-
making (NPRM) in WT Docket 19-348, the FCC proposed to relocate
all
non-federal operations, including amateur uses, to spectrum
outside
the 3.3 – 3.55 GHz band. The Commission anticipates auctioning
this
spectrum to expand commercial use of 5G cellular and wireless
broad-
band services, if agreement can be reached on relocation of —
or
sharing with — the federal incumbents that operate in the same
band.
Publication of the NPRM in the Federal Register on January
22
established deadlines of February 21 for comments and March 23
for
reply comments.
The FCC has requested comment on the uses radio
amateurs make of the
spectrum and appropriate relocation options.
Complicating matters is
the fact that radio amateurs must consider the
possibility that the
immediately adjacent 3.1 – 3.3 GHz band is included in
the spectrum
that Congress has identified for similar study. FCC
Commissioner
Michael O’Rielly, in a December statement, referenced the fact
that
the lower band may also be considered for non-federal
reallocation,
potentially limiting relocation possibilities.
Amateurs
make substantial use of the 3.3 – 3.5 GHz band that would be
hard to
replicate elsewhere, and they have filed more than 150
comments before the
designated comment period even began. Among users
looking at options are
those who use this spectrum for Earth-Moon-
Earth (moonbounce) communication,
mesh networks, experiments with
communication over long distances,
radiosport, and amateur television.
A portion of the band also is designated
for use by amateur
satellites in ITU Regions 2 and 3 (the Americas and
Asia/Pacific).
A report is due by March 23 from the National
Telecommunications and
Information Administration (NTIA) evaluating the
feasibility of having
federal users share all or part of the 3.1 – 3.55 GHz
band with
commercial wireless services. This report is required by the
Making
Opportunities for Broadband Investment and Limiting Excessive
and
Needless Obstacles to Wireless (MOBILE NOW) Act. The results of
the
NTIA report will impact how much spectrum ultimately may be
re-
allocated for auction to wireless providers.
ARRL urges amateurs
who comment to inform the FCC about the uses they
make of the 3 GHz spectrum.
Short comments and longer statements may
be filed electronically. Visit the
FCC “How to Comment on FCC
Proceedings” page for more information. Commenters
should reference
WT Docket 19-348.
Editor's Note: As this rulemaking
would delete the 3.4 - 3.41 GHz
amateur satellite service band, AMSAT is also
preparing comments to be
filed on this matter. Continued access to microwave
spectrum is
crucial for GOLF and future AMSAT missions to HEO, GEO, and
beyond.
[ANS thanks the ARRL for the above
information]
---------------------------------------------------------------------
FO-99
(NEXUS) 1st Anniversary Report
NEXUS, an amateur radio technology
demonstration satellite was
developed by Japan Amateur Satellite Association
(JAMSAT) and NEXUS
project team in Department of Aerospace Engineering,
College of
Science and Technology, Nihon University, Japan, and launched
by
Japanese Epsilon#4 rocket from the Uchinoura Space Center at
JST
9:50:20, 18 January 2019.
We would like to express our deep
appreciation to all concerned and
report the results of the operation after
the launch, i.e. one year’s
operation from 18 January 2019 to 18 January
2020.
The comprehensive report of operations can be found at
https://tinyurl.com/ANS-026-FO-99
[ANS
thanks the NEXUS Project Team at Nihon University for the
above
information]
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The digital download version of the 2019 edition of
Getting Started
with Amateur Satellites is now available as a
DRM-free PDF from the
AMSAT Store. Get yours today!
https://tinyurl.com/ANS-237-Getting-Started
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Amateurs
in the News: “96-year-old Amateur Radio operator at
Ontario Science Centre
speaks with astronaut"
A successful International Space Station (ISS)
contact was held on
January 22 with participants at the Ontario Science
Centre’s Amateur
Radio station VE3OSC in Toronto, Ontario.
As
described below this was no ordinary ARISS contact.
“Jean Moffet, VE3WAD,
has been a volunteer at the VE3OSC station for
more than 30 years. Having
recently celebrated her 96th birthday,
Jean indicated one of her bucket list
items is to speak to an
astronaut aboard the International Space Station
(ISS). To honour her
invaluable contribution, the Science Centre worked in
partnership with
the Amateur Radio on the International Space Station (ARISS)
Canada to
help Jean check this item off her list.”
The event was
featured on Global News at 5:30 Toronto – in an
interview with
Anchor/Producer Broadcast Journalist Susan Hay – and on
CTV News Toronto by
Videojournalist Scott Lightfoot.
Nick Westoll of Global News
wrote:
“Jean Moffett crossed an item off her bucket list on Wednesday
by
speaking with Commander Luca Parmitano, an Italian astronaut from
the
European Space Agency, aboard the International Space
Station.
‘Commander Parmitano, I have two questions to ask you: Do you
have an
opinion about extraterrestrial life before being on the
International
Space (ISS) Station and has being on the ISS changed your
views?’ she
asked.
Moffett was asked how long she has been waiting to
do this.
‘Since I was 60… I was an amateur radio operator and my voice
was
going up to satellites and I could hear the astronauts speaking, but
I
could never speak to them,’ she recalled. ‘I thought to myself,
that’s my
bucket wish’.”
Scott Lightfoot of CTV News wrote:
“Moffatt grew up in
North Bay and moved to Toronto as a young girl
with her family hoping that
there would be opportunities for a girl
interested in science and
technology.
‘When we moved to Toronto I desperately wanted to go to
university,
but my mom and dad had bought a house, and there was just
enough
money for my brother to go to university.’
Undeterred, Moffatt
said she took a course in Amateur Radio and
shortly after, got her licence.
More than 30 years ago, after
retiring, and the death of her husband, Moffatt
started volunteering
at the Ontario Science Centre, an endeavor she admits
wasn’t
successful at first.
‘I was working in the greenhouse, killing
all the plants because I
cannot keep plants alive’. Armed with her radio
licence, she helped
set up the centre’s first radio shack with the call sign
VE3OSC.
The idea to connect the nonagenarian with the ISS came just
after
Moffatt’s 96th birthday.
‘She mentioned to me that one of the
things she’s always wanted to do
was talk to an astronaut’ Christine Pigeon,
the volunteer coordinator
at the Science Centre told CTV News Toronto. It all
started with an
e-mail, and three months later with the help of ham radio
operators
and NASA, Moffatt made her connection.”
Congratulations and
Thank You!
Radio Amateurs of Canada would like to congratulate Jean
Moffet,
VE3WAD, on this significant achievement and thank everyone who
was
involved with this very special event. We hope to bring you
additional
information about this event in a future issue of The Canadian
Amateur
magazine.
We would especially like to thank Global News and
CTV News for their
coverage of this event.
For the full story and
links to the quoted stories and videos,
see https://tinyurl.com/ANS-026-RAC
[ANS
thanks the Radio Amateurs of Canada for the above
information]
---------------------------------------------------------------------
Upcoming
ARISS Contacts
Agrupamento de Escolas Serafim Leite, São João da Madeira,
Portugal,
direct via CS2ASL
The ISS callsign is presently scheduled to
be OR4ISS
The scheduled astronaut is Luca Parmitano KF5KDP
Contact is go
for: Mon 2020-01-27 16:33:34 UTC 64 deg (***)
Primary School “Jovan
Jovanović Zmaj“, Sremska Mitrovica, Serbia,
direct via YU7BPQ
The ISS
callsign is presently scheduled to be OR4ISS
The scheduled astronaut is Luca
Parmitano KF5KDP
Contact is go for: Tue 2020-01-28 15:51:19 UTC 48
deg
Possible Russian supported contact with Ecuador, via TBD
(***)
The ISS callsign is presently scheduled to be RSØISS (***)
The
scheduled astronaut is Oleg Skripochka (***)
Contact possibly is go for Fri
2020-02-07 14:00 UTC (***)
The ARISS webpage is at https://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
https://www.ariss.org/apply-to-host-an-ariss-contact.html
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
and time format YYYY-MM-DD HH:MM:SS
[ANS thanks Charlie Sulfana,
AJ9N, ARISS Operations, for the
above
information]
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Need new satellite antennas? Purchase Arrows, Alaskan Arrows,
and M2
LEO-Packs from the AMSAT Store. When you purchase through
AMSAT, a
portion of the proceeds goes towards
Keeping Amateur Radio
in Space.
https://amsat.org/product-category/hardware/
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Upcoming
AMSAT Events
Want to see AMSAT in action or learn more about amateur
radio in
space?
AMSAT Ambassadors provide presentations, demonstrate
communicating
through amateur satellites, and host information tables at
club
meetings, hamfests, conventions, maker faires, and other
events.
Current schedule:
+ February 7-9, 2020, Hamcation,
Orlando, FL
+ February 14-15, 2020, Yuma Hamfest and ARRL Southwest
Division
Convention, Yuma, AZ
+ February 15, 2020, Cabin Fever Reliever
Hamfest, Saint Cloud, MN
+ March 6, 2020, Irving Hamfest, Irving, TX
+
March 14-15, 2020, Science City on University of Arizona, Tuscon, AZ
+ March
21, 2020, Midwinter Madness Hamfest, Buffalo, MN
+ March 21, 2020, Scottsdale
Amateur Radio Club Hamfest, Scottsdale,
AZ
+ March 28, 2020, Tucson
Spring Hamfest, Tucson, AZ
+ March 29, 2020, Vienna Wireless Winterfest,
Annandale, VA
+ May 2, 2020, Cochise Amateur Radio Association Hamfest,
Sierra
Vista, AZ
+ May 8-9, 2020 Prescott Hamfest, Prescott, AZ
+ May
15-17, Hamvention, Xenia, OH
+ June 12-13, 2020, Ham-Con, Plano, TX
A
copy of the AMSAT hamfest brochure is available for download at
https://tinyurl.com/ANS-026-Hamfest
This
color brochure is designed to be printed double-sided and folded
into a
tri-fold handout.
To include your upcoming AMSAT presentation and/or
demonstration,
please send an email to ambassadors (at) amsat (dot)
org.
[ANS thanks Robert Bankston, KE4AL, AMSAT VP - User Services, for
the
above
information]
---------------------------------------------------------------------
Upcoming
Satellite Operations
Satellite Shorts
Feb 15 CN78 AD0DX FM and Linear
(Twitter @ad0dx)
Mar 14-15 DN26/36 KC7JPC Linears (and possibly
FM)
New Orleans, LA (EL49, EL58, EM59, EM40, EM50, EM60) January 14
–
February 1, 2020
Adam, KC3OBS, will be roving EM40, EM50, EL49, EL59,
January 14th –
Feb 1st. In between, Adam will be in EM60 January 29th. Adam
will
announce passes and updates on Twitter:
https://twitter.com/sparky_husky
Labrador
(GO11 +) January 19-27, 2019
Chris VE3FU, Dave VE9CB, and Frank VO1HP will be
active as VO2AC in
the 2020 CQ 160 CW contest, January 24-26, from Point
Armour Light-
house, in Labrador. If time permits before the contest, they
may be
active on FM satellites from GO11 as VO2AC or VO2AAA.
Depending
on weather and timing of passes, you might catch them on FM
satellites as
they make their way from FO93 to GO-11, passing through
FO92, GO02, GO13,
GO12, and GO22 along the way, but no promises. They
will also make the
reverse trek on January 27.
Montserrat (FK86) January 26 – February 2,
2020
Mel, W8MV, will be in Montserrat 26 January until 2
February,
operating under the call sign VP2MCV on FM Sats. QSL via
LOTW.
#SnowBirdRove (EL79) – February 1-29, 2020
Joe, KE9AJ, will
cross the border into Florida, seeking climatical
asylum in EL79 for the
entire month of February. Since he will be
there for an extended period, with
both FM and linear gear, keep an
eye on Joe’s Twitter feed for specific pass
announcements:
https://twitter.com/KE9AJ
There is a
possibility that Joe may have to make a pit stop in EM54
and EM53 on his way
down South on February 1st. Monitor Twitter for
updates.
Antigua
(FK97) February 2 – 9, 2020
Mel, W8MV, will be in Antigua 2-9 February. Mel
is waiting for his
operating license. Will update as soon as it arrives. FM
only. QSL
via LOTW
Isla Perez, Mexico (EL52, EL50, EL51) February 11 –
17, 2020
Members of Radio Club Puebla DX will be active as 6F3A from
Isla
Perez, Mexico, between February 11-17. The operators mentioned
are
Patricia/XE1SPM (Team Leader), Ismael/XE1AY, Rey/XE1SRD
and
Ricardo/XE1SY. Activity will be on 80/40/20/17/15/12/10/6 meters,
and
include the ARRL DX CW Contest (February 15-16). QSL via
XE1SY.
Ismael, XE1AY, reports that he is doing CW and the satellites,
and
will also TX from EL50 and XE1AY/mm from EL51.
Big Bend National
Park (DL88) March 16-17, 2020
Ron AD0DX, Doug N6UA, and Josh W3ARD will
operate from Big Bend
National Park to put grid DL88 on the air. Details
will be added
here, as they come available, but you are more than welcome to
keep an
eye on their individual Twitter feeds: https://twitter.com/ad0dx,
https://twitter.com/dtabor, and https://twitter.com/W3ARDstroke5
Please
submit any additions or corrections to ke4al (at) amsat.org
[ANS thanks
Robert Bankston, KE4AL, AMSAT VP - User Services, for the
above
information]
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AMSAT, along with our ARISS partners, is developing an amateur
radio
package, including two-way communication capability, to
be carried
on-board Gateway in lunar orbit.
Support AMSAT's projects today at https://www.amsat.org/donate/
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Satellite
Shorts From All Over
+ Want to make a satgate out of your Raspberry Pi?
Check out how at
https://tinyurl.com/ANS-026-SatGate
+
CQ operators of PO-101! If you have successfully operated PO-101,
you can
request a QSL card from the PO-101 team! Just fill in the
necessary info and
they will send it to you as a token of appreciation
for using PO-101 https://tinyurl.com/ANS-026-PO-101
+
Peter Goodhall, 2M0SQL, notes that PSK31 transponders on NO-84 and
NO-104 are
underutilized. If you are looking to try something new this
week, why not
give it a shot? Uplinks are on 10m and downlinks are on
70cm. More
information at http://aprs.org/psat.html
and
http://aprs.org/psat2.html
+ Justin
McAllister, K5EM, reports that he updated his SatMatch tool
with a new
advanced search user interface. He has also made the tool
more mobile
responsive. Check it out at https://www.satmatch.com/
+ FO-29
remains operational. However, the batteries on the 23 year old
satellite
cannot maintain a safe voltage throughout an entire eclipse
during this point
in its orbit with lengthy eclipse periods. The
satellite is commanded on over
Japan periodically and will remain
active after the command until the battery
voltage drops below a set
threshold, at which point it is automatically
switched off to preserve
the batteries. Upcoming command times
follow:
2/1 06:00
2/2 06:50
2/8 04:50 15:00
2/9 03:55
15:50
2/11 03:50 05:35
2/23 03:20 05:05
2/24 04:10 05:55 14:20
3/1
04:00 05:40 15:55
3/2 04:45 14:55
+ Scott Chapman, K4KDR, reports that
AISAT-1 is active again on 2m
packet. He reports that the best success at
digipeating is achieved
using NFM and Doppler correction if possible. iGates
should be proxied
through KE6BLR to correct the satellite's malformed packets
so they
are visible to the greater APRS-IS network.
+ Scott further
reports that Taurus-1 remains active. Taurus-1 carries
a VHF FM to UHF Codec2
transponder. For more information about this
unique analog uplink, digital
downlink system, see N8HM's AMSAT
Journal article / Symposium paper about
LO-90 at
https://tinyurl.com/ANS-026-LO-90
Operation
via Taurus-1 is similar to LO-90, except with an uplink of
145.840 MHz and a
downlink of 435.840 MHz. For more information, see
https://www.amsat.org/pipermail/amsat-bb/2019-September/074905.html
+
Finally, Scott also reports, that despite the telemetry from
Duchifat-3
reporting the FM transponder to be on, nothing is heard
when uplinking at
145.970 MHz. We await further information about the
status of this
satellite's FM transponder.
+ Hackaday featured an article entitled
"Lessons Learned from a
CubeSat Postmortem" regarding problems encountered by
KRAKsat, a 1U
CubeSat deployed from the ISS in June 2019. Read the article
at
https://tinyurl.com/ANS-026-Hackaday
[ANS
thanks everyone 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 addi-
tional benefits. Application forms
are available from the AMSAT
Office.
Primary and secondary school
students are eligible for membership
at one-half the standard yearly rate.
Post-secondary school students
enrolled in at least half time status shall be
eligible for the stu-
dent rate for a maximum of 6 post-secondary years in
this status.
Contact Martha at the AMSAT Office for additional student
membership
information.
73 and remember to help Keep Amateur Radio In
Space,
This week's ANS Editor,
Paul Stoetzer, N8HM
n8hm at
amsat dot org
_______________________________________________
Via the ANS
mailing list courtesy of AMSAT-NA
https://www.amsat.org/mailman/listinfo/ans
