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From YouTube: 20210831 FPGA standup Office Hours
Description
FPGA Standup... and then right into Office Hours!
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A
B
Yeah,
hello,
paul!
Oh
thanks!
So
much
well,
it's
a
it's
wonderful
to
see
where
you
are
and
that's
a
one
of
the
neat
things
about
having
a
very
international
team
is
that
we
have
people
from
all
over
the
world
with
very
different
perspectives
and
and
different
contexts
for
the
technology
that
we're
trying
to
develop,
and
I
think
it
will
help
us
in
the
long
run,
to
have
all
of
these
different
inputs
to
what
we're
doing.
A
B
A
B
C
B
Okay,
thank
you
glad
to
be
the
primary
problem
I
can.
I
could
talk
about
that
a
little
bit,
so
what
I've
been
doing
is
working
through
getting
better
at
pedal
linux
and
it's
been
a
very
rapid
learning
curve.
That's
been
great
in
the
usual
ways,
so
a
lot
of
the
things
that
I
assumed
about
fpga
development,
the
way
that
it's
advanced
since
I
did
it
for
a
living.
B
B
I
did
back
end
dsp,
iggy,
math
and
lots
of
assembly
for
the
for
the
qdsp
and
for
the
gum
asic
at
qualcomm,
and
I
never
really
had
to
worry
about
application
development
or
how
an
application
or
applications,
linux
images
or
linux
development
or
embedded
linux.
I
didn't
have
to
worry
about
that.
I
had
people
for
that,
but
learning
how
to
do
it
firsthand
over
the
past
week
has
been
a
great
experience,
and
so
now
we
have
a
workflow
and
I
get
it
and
wow.
B
You
know
it's
a
great
power
to
have
so
I
think
I'm
catching
up
with
swato
and
and
onshul
and
the
others
that
that
are
more
well
versed
in
in
this
particular
part
and
having
the
ability
to
just
be
able
to
boot
up
an
a
bit
stream
and
to
just
say,
okay,
the
bitstream
gets
assigned
to
the
to
the
programmable
logic.
Oh
you
know,
if
I
had
had
this
earlier,
then
that
would
have
been
great.
B
So
those
are
the
things
that
I've
done
over
the
past
week,
I
tried
very
hard
to
get
to
the
point
of
being
able
to
host
like
a
application
on
the
development
board
on
the
ultrascale
board
that
had
a
way
for
for
operator
a
user
to
call
up
a
web
page
and
then
manipulate
gpios.
It
didn't
quite
get
there
before
this
meeting,
but
it's
right
there.
So
I'm
that's
the
next
thing
that
I'm
going
to
do.
B
What
xilinx
has
laid
out
in
pedal
linux
is
cgi,
so
if
you
can
put
it
into
cgi,
you
can
get
it
to
be
done
as
an
application
and
presented
to
the
user.
I'd
really
like
to
see
html5,
because
I
think
it's
better,
it
better
serves
audio
visual
data.
You
know-
and
I'm
it's
not
clear
to
me
whether
cgi
is
the
outer
limit
of
what
we
can
do,
or
that's
just
the
the
bare
bones
that
that
xilinx
pedal
linux
will
give
us.
So
that's
that's
where
I'm
at
in
terms
of
moving
forward.
B
I
we
do
have
some
exciting
news.
We
are
looking
at
expanding
our
human
resources
by
quite
a
bit.
You
know
so
so
what
I'm
looking
forward
to
is
as
having
people
that
will
be
able
to
help
with
packaging
deployment
and
and
documentation
and
I'll
hand
it
off
to
t-lock,
who,
who
is
here
now?
So
if
you
you
have
the
floor,
tell
us
you
know
what
you've
done
over
the
past
week,
which
plans
have
for
the
next
week
and
if
you
need
anything,
have
any
roadblocks.
D
So
how
specifically
covered
the
replay
attack
scenario?
How
would
how
could
we
avoid
a
replay
attack
scenario,
so
I'm
I'm
have
been
reading
some
papers
on
it.
I
have
some
something
on
my
mind.
I
have
understood
some
some
of
the
mathematics
of
it.
That
is
one
thing
I
have
covered
and
also
I
have
one
question
actually,
because
even
the
authentication
signal
that
which
we
will
be
sending
to
the
satellite
from
the
ground
station,
it
could
also
come
up.
D
It
could
also,
you
know,
get
affected
with
some
kind
of
lossy
transmission
right,
where
the
some
bits
could
could
be
could
be,
could
be
loosen
blues
and
somewhere
because
of
attenuation
or
whatever
it
might
be.
So
what
I
wanted
to
know
is:
do
we
also
make
sure
that
you
put
error
correction
codes
in
the
authentication
data
frames
as
well?
D
C
B
B
D
Sure
sure
michelle,
I
think
I
think
that
would
help
me
yeah.
So
I
think
I'm
done
with
that
for
the
hash
based
thing.
Apart
from
that,
I'm
also
exploring
the
lattice-based
authentication
mechanisms
which,
which
are
like
being
more
trusted
right
now,
which
is
like
a
paddle
work
which
I'm
doing
for
someone
else.
D
So
I'm
having
my
hand
on
that
as
well,
but
I'm
making
sure
to
do
this
work
with
having
the
base
as
hmax
and
doing
this
work.
But
I
think,
as
we
progress
ahead,
maybe
some
months
on
the
line,
I
may
also
look
into
this
lattice-based
authentication
things
also
which
I'll
update
as
we
go
on,
but
but
that's
it
for
now.
But
apart
from
this,
I
have
one
other
question.
Actually
I
I
keep
on
seeing
the
deep
learning
based
links
that
are
being
posted
in
the
in
the
forum.
D
B
B
What
you
know
is
there
an
application
so
that
we
do
research
and
we
do
development
and
it's
like
okay,
what
development
tasks
do
we
have
for
machine
learning
and
there's
a
lot
of
those
that
we're
still,
I
would
say
it's
it's
fair
to
say
that
we're
in
the
early
stages
of
but
for,
for
example,
we
looked
at
using
machine
learning
techniques
to
to
figure
out
the
difference
between
dvb,
t2
and
dbs2
back
when
we
thought
we
needed
to
use
both
of
them.
So
that
was
something
that
we
looked
at.
B
We
got
a
lot
of
work
from
from
frank,
brickell
and
others
on
autonomous
signal
determination,
and
all
of
that
is
still
something
that
that
ori
would
support
and
do
what
we
eventually
decided
to
do
from
a
sort
of
a
practical
development.
Point
of
you
know.
Standpoint
was
oh
well,
you
know
datv
people
and
and
amateurs
actually
can
use
dvbs2
terrestrially
as
well
as
space.
So
we
don't
really
need
a
like
a
machine
learning
approach
to
this
okay,
so
moving
forward
into
time.
B
B
So
so
I
hope
that
gives
a
little
bit
of
context
for
the
for
the
application
side
of
it
or
the
development
side
of
it.
For
the
research
side
of
it,
we
have
a
really
bright
path
through
existing
work
that
deals
with
autonomous
autonomous
signal
determination.
So
we
can
tell
what
type
of
signal
that
we
have
there's
a
lot
of
interest
from
the
amateur
community,
about
figuring
out
these
things
very
quickly
and
identifying
what
types
of
communications
that
you
need
for
individual
communications
purposes
so
based
on
what
I've
just
said
is
there?
D
B
Yes,
this
is
at
the
symbol
level,
so
there's
existing
work
and
existing
implementations
and
prototypes
open
source
leveraging,
gnu,
radio
and
and
pi
torch
things
like
that
that
you
have
a
signal
and
within
maybe
40
symbols.
You
know
what
type
of
modulation
you
are
dealing
with
so
that
that
work
is
is
good.
B
That's
the
foundational
work
that
we
have
in
order
to
give
us
leverage
to
move
into
this,
and
then
our
job
is
to
figure
out,
what's
the
best
way
to
to
implement,
to
deploy,
to
make
it
accessible
to
the
amateur
radio
community
which
very
well
may
be
through
fpga
bitstreams
that
let
you
use
fpgas
to
to
get
this
sort
of.
You
know
power
in
your
station.
B
You
know
so
there's
a
path
through
through
fpga
and
asic
development,
as
well
as
as
general
purpose,
processor
development.
So
yes,
that's
that's
kind
of
where
we're
at
we
have.
We
have
that
work,
it's
available
to
us,
and
we
know
those
people
and
they're
responsive
to
to
answering
questions
and
would
be
very
willing
to
collaborate
and
support
the
work
that
builds
on
that.
D
B
Yeah
I
wish
I
could.
This
is
an
area
that
is
that's
very
exciting,
because
polar
codes
are
arguably
they're,
the
one.
That's
that's
a
a
slight
step
beyond
like
ldpc,
so
polar
codes,
give
you
achievable
capacity,
codes
and
they're,
the
ones
that
were
selected
for
for
5g
cellular,
for
instance,
and
we
do
have
a
repository
with
some
polar
code
implementations
from
ahmad
and
on,
and
I
wish
I
knew
more.
B
I
know
enough
to
be
very
dangerous
here,
but
it's
an
area
that
we
are,
that
we
support
and
that
we
think
that
should
be
available
and
accessible
for
amateurs
and
open
source
enthusiasts.
We
think
that
this
should
be
some
a
tool
that
you
should
have
as
a
digital
signal
processing
person.
As
a
you
know,
amateur
operator
they
think
they
should
be
accessible
and
available
to
the
community.
B
So
so
we
have
a
good
start
here
with
a
great
foundation
from
amit's
work
in
the
in
the
repo.
My
knowledge
is
pretty
basic
on
on
polar
codes,
but
I
know
enough
to
know
that
this
is
a
really
really
good
thing
to
to
dive
into.
So
what
I'd
like
to
do
is
support
anybody
that
would
like
to
invest
the
time
and
energy
into
developing
polar
code
implementations
for
amateur
radio.
B
These
are
really
very
interesting
for
both
terrestrial
and
space
channels,
but
the
the
machine
learning
aspect
of
it
was
raised
by
by
amit.
He
says
you
know
there
really
are
some
things
that
you
need
to
do
here.
That
could
be
done
by
by
machine
learning,
that
there
are
some
some
parameters
for
for
codes
and
for
channels.
B
There's
opportunities
here
for
a
machine
learning
solution
that
is
very
elegant
and
fast,
and
I
believe
him
because
of
his
expertise
and
an
obvious.
You
know
his
contributions
to
open
source
and
commitment
to
open
source.
So
that's
an
area
that
we
could
definitely
spend
some
some
time
and
energy
moving
the
field
forward.
D
Yeah
I
mean
that
was
so
exciting
when
you
say
it,
because
because
I
was
seeing
many
research
papers
being
published
where
they
were
trying
to
use
this
channel
estimation,
the
traditional
channel
estimation
using
deep
neural
networks
and
all
that's
so
quite
exciting-
I
mean
wow.
That's
that's
really
great.
B
Yeah,
no,
it
is
very
exciting.
We
are
in
a
golden
age,
really
there's
been
huge
advances
in
the
sorts
of
things
that
you
know
not
not
only
for
for
communications,
for
digital
communications,
but
for
the
sorts
of
things
that
can
be
implemented
on
an
fpga
or
an
asic,
so
we're
here
and
if
we
in
it
is
difficult.
This
is
very
hard
work.
But
if
we
invest
the
time
and
energy,
then
we
can
really
open
up
some
some
cutting
edge
work
to
to
amateur
and
open
source
communities.
D
That's
a
really
exciting
mission,
because
because
I'm
trying
to
put
in
some
effort
by
using
sound
to
detect
some
air
pollution
levels
here
and
I'm
trying
to
use
some
tiny
ml-based
inference
models,
so
I
I
wish
I'll
be
able
to
contribute
if
the
the
work
starts
in
any
way.
Maybe
I'll
try
to
chip
in
by
then.
B
B
What
I'll
do
is
try
my
best
to
to
better
document
the
work
in
the
repo
and
to
to
work
with
all
of
the
principles
to
get
something
that
is,
you
know
it's
more,
a
little
more
understanding
so
that
we
can
give
people
some
traction
on
on
where
to
start
so
andre
welcome.
You
have
the
floor,
let
us
know
what
you're
doing
and
what
you
plan
and
if
you
need
anything
or
if
you
have
any
roadblocks.
B
E
Yeah,
sorry,
so
in
I'm
trying
to
test
other
configurations,
other
sets
of
parameters
in
the
is
gc706
hey.
I
found
some
well.
I
hit
some
issues
I
caused.
You
know.
I
basically
caused
my
myself,
so
some
work,
some
don't
work.
I
didn't
have
the
time
to
debug
them
too
much.
I
am
so
happy
to
continue
on
that
and
I
want
to
maybe
move
away
from
using
oxy
light
to
send
data
in
because
we're
going
to
use
dma
in
the
real
thing,
and
I
wanted
to
get
that
sort
of
started.
E
E
B
You
bet
cool
all
right.
We
have
a
an
event
coming
up
we're
doing
our
first
conference
meetup
meeting
it'll
be
a
virtual
event
on
the
30th
of
october
or
co-sponsoring
with
ieee
an
event
as
a
half-day
symposium
and
space
and
satellite
work,
with
a
special
emphasis
on
amateur
radio
and
amateur
satellites.
B
This
is
hosted
by
the
information
theory
society
chapter
of
san
diego,
so
the
the
call
is
open
for
presentations
that
highlight
the
sort
of
work
that
we're
doing
so.
Anyone
is
welcome
to
to
put
in
a
talk.
You
know
the
the
the
I
will
post
the
the
call
for
presentations,
but
it's
it's
gonna
be
gonna,
be
super
fun,
there'll,
be
music.
Maybe
some
giveaways
and
lots
of
different
technical
presentations
from
a
wide
variety
of
subjects,
but
all
relating
to
space
and
satellites,
open
source
work
and
amateur
work
highlighted.
B
So
just
so
you
know
that's
coming
up.
We
don't
have
any
other
events
or
travel
planned
right
now,
we're
looking
forward
to
a
time
where
we
can
have
a
presence
at
more
events
and
show
off
the
amazing
work.
Everyone's
doing
and
there's
forward
progress
on
setting
up
the
second
remote
lab.
We're
gonna
have
to
move
it
from
from
florida
to
arkansas.
So
we
are
we're
working
hard
on
that
and
then,
as
shimandra
mentioned
before,
he
has
a
satellite
lab
or
a
remote
lab
in
dc,
that's
available
for
for
work,
so
lots
going
on.
A
I've
been
almost
I'm
ready
to
power
on
the
test
bed
that
I've
been
building.
It's
a
proportion.
Sorry,
it's
a
space
propulsion
and
and
communications
engineering
test,
bed,
a
bunch
of
parts,
but
in
very
close
proximity,
there's
gonna
be
a
cold
fire
based
board.
It's
the
nano
board
from
net
burner
and
then
there's
going
to
be
the
xilinx
zinc
based,
avnet
mini
set
it's
all
bolted
together.
It
is
interconnected,
it
can
be
interconnected,
but
it's
already
on
my
net.
It's
already.
A
Actually
I
can
log
into
it
using
a
web
browser
and
without
using
any
of
the
zinc
facilities
or
pet
linux.
I
can
just
use
the
netburner
to
basically
trigger
gpio
command,
rs232
rs485,
whatever
you
name
it,
because
that's
an
industrial
serial
to
ethernet
and
multi-purpose
control.
You
know
interface.
I
mean
it's
a
board
that
that
I've
flown
in
space
before
but
oh.
A
I
mean
I
I
mean
I
would
definitely
like
some.
You
know
just
people
to
test
it
out
I'll
give
an
ipv6
or
v4
address
to
everybody,
and
then
they
can
just
you
know,
kind
of
remote
in
from
wherever,
and
I
think
I
tried
to
talk
to
thomas
perry
but
he's
on
vacation.
So
if
he's
on
a
beach
somewhere
in
europe,
if
he's
listening,
then
thomas
I
mean
I
mean
that
would
be
the
ultimate
ultimate
end
game
right.
A
I
mean
yeah
from
his
telephone
too
from
his
cell
phone
okay
right,
but
but
what
I'd
like
to
just
suggest-
and
I
apologize
for
the
background
noise
here-
is
I've-
got
meetings
scheduled
with
two
leading
vendors?
One
is
a
clock.
Chip
manufacturer
and
another
is
one
of
the
giants
of
the
semiconductor
industry,
so
both
of
them
separately
want
to
give
me
some
like
fae
type.
You
know
expert
level
advice
for
the
timing,
solutions
and
the
transceiver
solutions
that
they
they
have.
A
B
No,
we
should
take
it
to
thomas
perry
and
ask
him
you
know
his
his
feelings
on
this,
because
there
yeah
there
are
some
surprising
answers
when
you,
when
you
start
talking
about
deeper
higher
orbit
missions
and
deeper
space.
So
so,
let's,
let's
take
it
to
him
and
see
what
he
thinks
there
there.
If
there's
anything
that
helps
support
the
mission,
then
absolutely
we
were
interested
in
it.
A
Right,
it
may
happen
that
I
might
get
some
assistance
by
some
parts,
but
I'm
really
getting
the
parts
just
to
explore
in
increasing
the
thermal
envelope
increasing
their
power
envelope.
You
know
just
basically
reliability,
because
you
know
these
parts
are
designed
really
for
terrestrial
applications.
So
they're
not
really
spaced
parts
and
nobody
wants
to
commit
to
space
parts
because
they
know
it's
expensive
but
they're
willing
to
give
it
to
us.
Okay,
fine,
you
can
have
it
and
you
could.
You
could
do
something
with
it.
A
But
the
question
is
since
you're
uplinking
carriers,
with
with
the
modulation
modulated
protocol,
could
we
have
any
mode
request
that
we
could
actually
sync
a
trainer
clock
on
board.
You
know
from
the
ground:
that's
that's
a
beacon
approach,
just
curious
about
that.
I
could
write
it
up.
Basically,
yeah.
B
I
think
time
is
always
of
an
interest.
It's
just
whether
or
not
you
you.
You
require
an
objective.
You
know
we
get
used
to
the
idea
of
having
gps
disciplined
oscillators
here
on
earth,
and
you
know
a
pragmatic
approach
is
like
well,
you
know
look
at
look
very
carefully
at
what
your
dependencies
are
and
see.
If
you
can,
if
you
can
cut
them
loose,
you
know
what
do
you
really
need
time?
Do
you
need
a
relative
or
absolute
time
and
see
what
we
can
do?
There's
lots
of
there's.
A
B
A
B
Yeah
you're
not
alone,
because
there
are
a
lot
of
we
in
digital
communications
and
especially
with
the
sorts
of
things
that
we're
talking
about
doing.
We
deal
all
the
time
in
assumptions,
so
we
drag
along
all
of
these
assumptions
and
a
lot
of
debt
behind
us
and
one
of
the
first
things
to
confront
in
especially
in
amateur
radio
communications
is
like.
Oh
it
it's
very
common
to
confront
a
reliance
on
ambient
internet,
for
instance
like
oh
well,
the
internet's
always
there.
No,
it's
not
does
your.
B
You
know
from
a
purist
point
of
view-
and
I
I
admit
that
I'm
on
this
camp
is
that
your
system
better
work,
if
you
have
no
access
to
the
internet,
if
your
communication
system
or
or
some
sort
of
functions
depend
on
on
ambient
internet
always
being
up
and
available,
then
you
may
need
to
revisit
that,
especially
if
you
have
any
sort
of
business
in
emergency
communications
or
in
space
communications.
For
that
matter,
you
may
have.
B
A
B
B
A
C
A
A
A
B
Should
definitely
participate,
and
these
are
these
are
absolutely
important
questions.
The
what
we
don't
want
to
to
have
happen
is
a
some
sort
of
dependence
on
something
that
turns
out
to
be
very
fragile
or
was
not
a
great
assumption
in
the
first
place
like
and
anything
with
time
anything
with
connectivity
depending
on
something
in
the
cloud
and
those
are
the
the
big
items.
Those
are
the
big
ticket
items
that
that
are
always
well
worth
reviewing.
B
E
B
That's
where
the
technology
is
going
and
we
need
to
know
how
to
do
that
and
how
to
do
the
basics,
and
we
need
to
start
looking
at
at
providing
communication,
services
and
public
service,
that's
enabled
by
formations
and
constellations.
To
me,
that's
that's
the
facts.
Those
are
things
that
are
should
be
accepted
as
almost
like
axioms
of
of
participating
in
this
particular
area
of
technology.
What
does
that
mean?
B
B
All
of
that
comes
with
this
and
then
to
keep
it
lean
and
adaptable.
That's
another
step.
You
know
you
know
just
beyond
the
basics
of
networking
with
other
spacecraft
and
then
there's
the
regulatory
side
as
well,
because
we
are
in
the
amateur
bands
and
honestly,
we
do
not
have
a
good
set
of
allocations
for
this
sort
of
communication,
and
there
is
arguments
that
we
don't
have
an
allocation
to
do.
Space-To-Space
communication
at
all,
that's
one
of
the
reasons
why
we
are
meeting
with
the
fcc.
B
So
that's
one
of
the
things
that
we
have
on
the
agenda
is
to
discuss
and
that
falls
into
the
microwave
spectrum,
defense
and
microwave
allocations
for
amateur
radio,
we're
in
the
microwave
bands,
and
we
do
have
up
and
down
allocations
all
across
different
microwave
frequencies,
and
when
you
start
talking
about
going
from
spacecraft
to
spacecraft,
what
exactly?
Where
is
that
exactly?
Does
that
fall
and
to
some
people?
It
seems
to
be
clear
and
to
other
people?
It's
not.
This
is
an
area
that
needs
to
be
cleared
up.
A
If
I
may
just
ask
us
the
last
question
which
which
subgroup
of
rri
would
be
most
appropriate
to
kind
of
start
a
discussion,
because
I
I
did
link
budget
analysis
of
a
circular
linear
commutating
chain
to
to
bridge
between
planetary
bodies.
Okay,
I've
done
it
it's
been
published.
I
can
send
that
to
you
michelle.
It's
it's
been
published
in
different
conferences.
A
So
the
question
is
that
the
constellations
you
know
one
has
to
figure
out
the
link
budget
limits,
antenna
limits,
antenna,
side,
lobes
and
and
main
lobes
in
order
to
figure
out
how
many
we
need,
but
my
work
and
I'm
sure
hundreds
of
other
people's
work
are
it's
a
substantial
topic,
so
it
would
have
to
be
a
networking
group.
Wouldn't
it.
B
A
B
Have
a
a
body
of
people
that
want
to
dig
in
then
we
put
up,
we
set
up
a
channel
inside
and
we
do
have
a
like
a
terrestrial
networks
channel
for
the
sorts
of
stuff
that
we've
been
talking
about,
with
with,
for
example,
m17
and
for
this
sort
of
space
network
stuff.
That's
still
totally
okay
to
talk
about
in
the
general
channel.
So,
okay.
A
B
A
B
Would
be
that
would
be
helpful,
not
just
for
not
just
for
the
community
and
the
or
our
volunteers
to
see,
but
that's
something
that
we
might
be
able
to
take
to
the
fcc
and
show
that
we've
done
the
community,
including
the
academic
community,
which
you're
a
part
of
has
has.
Has
this
work
published
that
this
is
something
that's
not
doesn't.
Have
that
isn't
something
that
is
yet
to
be
invented
right,
obviously,
because
we.
A
Have
constitutional
information?
Well,
if
anybody's
a
current
academic,
if
anybody's
great
at
doing
op
net-
or
you
know
communications,
you
know
like
the
whole
chain.
I
would
love
to
learn
from
that
process,
but
I'm
just
saying
that
you
know
when
you
try
to
do
all
the
modeling
simulation.
I
mean
that
requires
communication
engineering.
B
A
A
B
D
B
B
Probably
not.
This
is
probably
going
to
be
a
small
dish
that
is
pointed
with
a
motor
and
you'll
use
open
source
software
to
track
a
known,
a
known
satellite,
so
you're
using
tles
to
track
it
and
you're
using
open
source
hardware
and
open
source
software
to
communicate
with
it.
So
at
the
microwave
bands,
the
it's
usually
going
to
be
a
dish
and
the
beam
width
is
much
narrower
than
a
than
a
yagi
that
you're
that
you're
using
at
lower
frequencies.
B
So
that's
probably
what
you'll
use
now
that
doesn't
mean
that
you
can't
invent
something
completely
new
or
or
do
something
custom,
but
in
general,
for
microwave,
for
the
microwave
bands,
directionality
becomes
much
more
critical.
The
if
you
think
of
it
like
in
terms
of
a
filter,
the
q
factor
is,
is
much
narrower,
so
the
narrower
beam
width
at
microwave
means
that
you're
going
to
be
using
a
small
station
with
a
with
motors
that
points,
a
small
or
even
a
large
dish.
B
So
we're
thinking
like
you
know
you
you
we're
trying
to
make
it
possible
where
you
can
use
a
18-inch,
dss
dish,
it
might
be,
might
have
to
be
a
little
bit
bigger
in
order
to
take
advantage
of
the
adaptive,
coating
and
modulation
so
that
you
get
a
little
higher.
You
know
data
rate
through
and
then
all
the
way
up
to
to
more
than
a
meter
to
up
to
two
meters,
so
so
the
sort
of
the
traditional
amateur
payloads
that
are
at
lower
frequencies.
D
Great
great,
that
did
that
did
help
me
yeah.
Thank
you,
oh,
very
and
also
yeah,
just
just
to
mention
to
what
samudra
has
just
mentioned
about
the
opinet
open
it
that
we
just
mentioned
about
yeah.
I
was
just
writing
a
research
paper
on
this
on
a
very
similar
lines
about
how
to
upgrade
the
ground
ground
station
to
satellite,
with
respect
to
updating
the
authentication
key.
So
there
were
many
mentioning
mentions
of
opennet
simulation
platforms
in
it.
A
Well,
definitely,
I
mean
definitely
let's.
I
think
this
is
the
first
time
we're
talking,
but
I
think
I
need
to
definitely
join
a
conversation
or
two,
because
modeling
and
simulation
is
going
to
be
necessary
if
nothing
else,
but
to
validate
the
control
laws
or
the
comm,
basically,
the
sequencing
of
operations
as
to
which
antenna
gets
activated.
When
and
what
transmitter
and
what
power
level
I
mean
in
one
word:
in
the
commercial
field,
we
always
use
automatic
uplink
power
control
where
possible.
A
If
not,
then
we
have
to
have
operators
that,
just
you
know,
power
for
the
minimum
amount
of
radiation
delivered
at
the
satellite.
So
we
don't
saturate
it
and
stuff
and
we
don't
want
like
200
people
like
you,
know,
broadcasting
everything
and
we
will
have
zones
we'll
have
to
have
keep
out
zones,
so
we're
going
to
have
to
do
a
lot
of
modeling
and
simulation
to
figure
out
who
can
transmit
when
can
transmit.
How
can
transmit
and
our
I'm
sure
michelle
hasn't
gone
that
far,
but
we're.
B
Not
in
a
fixed
orbit
right,
I
can
yeah,
we
don't
know
what
what
yeah
we
don't
know
what
orbits
we
have,
but
there's
in
terms
of
power
control
and
for
signal
to
noise.
The
adaptive,
adaptive
coding
and
modulation
actually
accommodates
a
huge
part
of
this
question,
so
the
system
adapts
to.
If
you
have
a
big
boom
in
station,
you
know
you're,
if
you,
even
if
you
can
transmit
a
lot
of
power.
B
If
you
do
not
hear
yourself
in
the
down
link,
because
your
receiver
is
terrible,
you
will
not
be
given
access
to
the
system.
So
this
is.
This
is
something
that
tulak
is
is
actively
working
on.
Is
the
authentication
authorization
and
part
of
the
loop
of
this
is
okay,
so
you
can't
just
show
up
and
consunk
our
satellite.
You
can't
do
it.
Yes,
you'll
add
to
the
noise,
but
you're
not
going
to
stop
people
from
from
getting
through.
You
won't
be
allowed
through.
B
After
that,
it
becomes
a
question
of
like
your
snr
allows
you
to
do
this,
and
then
you
can
get
these
sorts
of
communications
and
you
you
take
advantage
of
as
much
data
rate
as
you
can
now
that
doesn't
cover
the
case
of
excessive,
overly
excessive
power
of
people
who
have
no
receiver.
This
doesn't
case
cover
the
case
of
people
with
receivers
that
have
no
transmitter,
but
they're
allowed
to
listen
to
whatever
they're
they
can.
They
can
listen
to
any
transmission
whatsoever.
A
Just
a
last
last
comment
on
that
I
mean
I'd
I'd,
I'd
love
to
chat
this.
You
know
once
the
meeting
is
over
in
the
next
few
days,
but
isn't
the
regulatory
requirement
going
to
be
imposed
upon
you
to
you
know
basically
have
the
ability
to
control?
You
know
a
who
gets
to
use
your
resource,
but
also
so
that
you
can
shut
it
off
in
case.
Another
operator
wants
you
to
shut
down
for
something
right.
B
So
you
have
to
be
able
to
for
for
a
repeater
of
any
type
you
have
to
be
able
to
to
shut
it
off.
That's
true!
So
if
you
this
is,
this
is
covered
under
under
the
fcc
rules
for
for
amateur
radio.
So
when
you
put
something
in
space,
you
do
have
to
be
able
to
control
it.
That's
that's
for
sure.
So,
yes,
the
answer
to
what
that
question
is.
Yes,
anybody
can
receive
any
amateur
signal,
so
anyone
should
be
able
to
receive
any
of
the
downlink.
B
We
cannot
use
any
codes
that
obscure
the
meaning
of
the
downlink.
All
that
stuff
is
open
and
published
and
anyone
can
receive
who
can
transmit.
Well,
you
have
to
have
an
amateur
radio
license,
but
beyond
that
for
the
for
this
particular
system,
you
know
unless
we're
just
doing
a
pass-through
like
we've
talked
about
where
you
know
we
set
aside
some
channels
for
for,
and
we
just
simply
digitize
them
and
they
appear
on
the
downlink.
B
You
know,
as
is
for
native
uplinks,
for
digital
uplinks
and
digital
downlinks.
Where
we're
doing
a
regenerative
repeater,
then
you
know
yes,
they
not
only
have
to
have
an
amateur
radio
license
to
to
be
able
to
legally
transmit
and
that's
on
them.
We
don't
have
to
check
you
know
if
we
get
a
report
that
somebody's
doing
something
illegal,
then,
okay,
you
know
we
we
have
to
deal
with
that,
but
but
not
only
that
we
require
that
they
have
to
be
able
to
receive
themselves
on
their
their
own.
B
There
has
to
be
a
loop
here,
so
that's
the
sort
of
loop.
This
control
loop,
this
this
useful
or
usability
or
functionality
that
we've
been
talking
about,
is
to
prevent
users
operators
just
showing
up
blasting
the
satellite,
with
a
transmitter
expecting
to
hear
themselves
in
the
downlink.
If
they've
done
absolutely
no
effort
to
to
set
up
a
receiver
that
so
they
can
monitor
their
own
signal,
then
they're
not
they're,
not
passed
through
as
digital
traffic.
A
B
So
that's
an
extra
sort
of
hurdle
that
we
have
put
in
there.
It's
not
a
linear
transponder.
This
is
a
regenerating
repeater
and
we
have
a
sense
of
like
okay.
If
you're
gonna
show
up
in
a
channel
and
request
a
channel
from
our
from
our
system,
then
you
have
to
be
able
to
hear
yourself
in
your
own
downlink
and
as
soon
as
we
get
that
we
know
that
you
have
a
really
healthy
transceiver
and
you
get
to
be
part
of
the
conversation
until
that
happens,
then
you're
just
noise.
A
C
B
C
Yes,
that
we
don't
have,
as
far
as
I
know,
although
the
future
can
obviously
change
this
any
kind
of
regulatory
requirement
to
limited
access,
but
because
we
can,
we
definitely
want
to.
That
would
be
one
of
the
big
improvements
for
being
digital
over
the
linear
transponder.
We
want
to
leverage
that
as
much
as
we
can
and
do
the
best
job
that
we
can
to
provide
some
sort
of
accountability
and
ability
to
control
access
when
it
becomes
necessary.
Although
the
baseline,
we
hope
will
always
be
that
everybody
has
access.
A
True
but
paul,
there
have
been
complaints
about
pirate
transmissions
on
satellites
before
and
it's
been
a
big
deal.
So
I'm
just
saying
that
if
we
adopt
a
policy
in
the
architect
well
that
influences
the
architecture
as
a
policy
written
policy
that
you
know
one
we
will
actively
manage
access,
then
that
should
be
announced
that
you
know
you
just
can't
go
cb
to
the
satellite
you
know
or
or
drug
lord
to
the
satellite
you're
right.
But
you
have
to
announce
the
policy
though
you'd
have
to
you
know,
give
adequate
notice.
A
B
Yeah,
I
concur
that's
one
of
the
things
that
when
we
were
actively
pursuing
the
rent-a-geo
plan
to
to
rent
echostar
9
transponder,
the
top
priority
from
ecostar
was
not
to
interfere
to
limit
the
the
shenanigans
that
could
happen
with
sort
of
uncontrolled
uplinks
and
to
figure
out
a
way
and
their
way
is
well.
The
only
people
that
will
have
the
equipment
that
are
allowed
to
to
transmit
you
know
are
are
people
that
we
authorize.
B
B
It
really
is
a
golden
age
for
this.
You
can
easily
see
where
somebody
could
inadvertently
or
advertently
rack
a
communications
channel
in
space.
So,
given
that
and
looking
at
it
long
enough
and
using
a
set
of
best
practices,
what
have
we
come
up
with?
Well,
we've
come
up
with
what
we've
come
up
with,
which
is
there
is
this
control
loop
and
we
are
a
digital
system
and
we're
not
a
digital
system.
That
is
a
transponder.
C
C
B
Well,
thank
you
all.
I
will
be
back
in
a
week
to
host
another
fpga
stand-up
and
in
the
meantime,
please
join
us
on
slack
and
on
the
mailing
list.
You
can
find
ways
to
get
on
both
of
these
communications
resources
at
open,
openresearch.institute
under
getting
started.
Thank
you
for
everyone
that
participated
today
and
please
send
me
any
follow-up
questions
that
you
may
have.