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From YouTube: ORI FPGA Stand-up 17 May 2022
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A
All
right,
I
got
my
pen
and
I
got
my
notebook
and
we
have
things
to
talk
about
with
respect
to
labs,
so
let's
go
ahead
and
do
a
stand-up
first
for
whoever
is
here
in
t
minus
one
minute
and
then
I
think
it'd
be
good
to
talk
about
remote,
lab,
south
and
development
and
building
and
budgets
and
floor
plans.
I
have
some
some
things
to
run
by
you
all.
B
Hello
michelle:
this
is
in
three
rdx.
Oh.
B
Had
a
chance
to
contribute
for
a
while.
A
No,
no
problem
we
take
whatever
we
can
get
and
appreciate
it
all
right.
It's
10.
all
right.
Let's
do
a
brief,
round-up,
stand-up
meeting.
A
What
we
do
during
a
stand-up
is
talk
about
what
we've
done
over
the
past
week,
what
we
have
planned
to
do
over
the
next
week,
if
we
have
any
resources
that
we
need
and
or
if
we
have
any
roadblocks
in
our
way
so
and
if
it's
okay
to
have
no
report.
So
let's
see
I
will
oh
hi
leonard
hello,
we're
just
starting
to
stand
up.
A
So
what
I'm
going
to
do
is
I'm
just
going
to
go
down
the
the
list
of
participants
in
the
order
that
they
appear
to
me
and
then
call
on
folks,
so
I'll
go
ahead
and
kick
it
off
over
the
past
week?
What
I've
been
doing
is
a
lot
of
writing
and
writing
articles
and
papers,
and
things
like
that
to
kind
of
catch
us
up
on
some
documentation
for
things
that
we
need
for
the
uplink
and
that
is
coming
along
really
well,
so
there
will
be
some
some
stuff
published.
A
What
I've
done
over
the
past
number
small
number
of
weeks
is:
give
a
lot
of
presentations
about
the
uplink
protocol
and
try
to
help
make
sure
that
it's
sturdy.
A
So
that's
what
I've
been
up
to
the
next
over
the
next
week
is
all
sorts
of
efforts
to
to
try
to
get
the
end-to-end
demos
that
are
going
to
happen
in
august.
At
defcon,
working
that'll
be
the
first
of
our
round
of
autumn
demonstrations
and
and
presentations,
so
it
kicks
off
in
august
with
defcon.
The
very
the
next
thing
after
that
so
august
september
and
september
of
2022
is
ham
expo,
which
has
treated
us
really
really
well
and
we'll
be
participating
in
ham
expo
this
year
and
then
in
believe
november.
A
We
are
the
presentation
at
the
san
bernardino,
microwave
society
and
that
will
be
recorded.
So
that's
another
opportunity
for
in-person
demonstrations
of
of
what
we
have
so
I'm
trying
to
keep
the
schedule
as
clear
as
possible
from
now
through
august,
so
that
we
have
plenty
of
time
to
actually
get
things
done.
A
So
I've
wound
down
events
and
things
like
that.
I
don't
have
any
roadblocks
other
than
the
usual
complaints
of
not
enough
time,
and
I
think
we've
got
all
the
resources
that
we
need.
The
only
exception
is
that
we
still
have
a
problem
with
using
fpga
in
the
loop
with
matlab
hdl
coder
and
haven't
heard
back
from
from
matlab,
so
I'll
circle
back
around
and
see
if
they
can
help
us.
This
is
something
that's
supposed
to
work
and
is
supposed
to
be
the
primary
way
that
they
support.
A
You
know
working
with
dsp
for
the
things
that
they
that
the
things
that
matlab
supports
so
so
I
know
that
there's
a
lot
of
emphasis
on
this
and
that
the
fact
that
it's
failing
for
us
at
the
very
last
step,
which
is
the
fpga
in
the
loop
in
the
lab,
is
still
a
little
bit
concerning
I'm
optimistic
that
we
can
figure
it
out
and
have
volunteered
us
to
be
like
the
guinea
pig
to
do
the
testing
with
matlab
staff,
to
figure
out
why
a
remote
application
doesn't
work
when
it
should
the
the
alternative,
the
backup
plan,
if
we
can't
figure
this
particular
problem
out,
is
to
simply
generate
the
bitstream
and
then
do
it
in
a
more
traditional
fashion.
A
C
Yeah
sure
so
I
was
able
to
generate
the
bootable
image
with
a
bit
stream
for
zc706,
but
the
boat
didn't
boot.
So
I'm
on
that,
I'm
debugging
that,
apart
from
that,
I
was
involved
with
dvb
receiver.
C
There
are
some
issues
over
that.
So
yeah,
that's
that's
my
week.
I
couldn't
progress
much
further,
but
yeah
debugging
that
and
trying
to
resolve
it.
C
A
It
sounds
like
a
lot
of
progress
to
me,
you're
doing
some
very
difficult
things,
so
please
just
reach
out
anytime,
you
you
can
for.
D
C
Yeah,
I
mean
that's
the
step.
Maybe
I
mean
there
are
so
many
factors,
colonel
u-boot,
to
debug
and
find
out
what's
going
wrong,
so
yeah
we'll
spend
more
time
this
week.
A
Okay,
yeah,
looking
forward
to
looking
forward
to
the
results.
Sure
thank
you
all
right.
James.
You
have
the
floor.
C
Nothing
too
much
to
report
this
week.
We
had
a
couple
of
weather
incidents
at
remote
lab
south,
though
both
those
we
had
no
issues
with
the
equipment,
except
for
one
moment
where
we
had
our
local
chub
go
down
for
a
bit.
We're
still
trying
to
figure
out
what
caused
that
error,
but
it
doesn't
seem
like
we
had
any
data
loss
so
we're
doing
fairly
well
on
our
end
and
we're
continuing
preparing
stuff
for
our
build
out
cool
which
we'll
be
discussing
later.
Yes,.
A
Yeah
we'll
do
that
we'll.
What
we'll
do
is
is
close
out
the
stand
up
and
then
move
right
into
that.
If
you
have
time
cool
okay
leonard,
do
you
have
the
floor.
D
Okay,
I
I
really
don't
have
anything
new
to
report
with
respect
to
the
fpga.
I've
been
sick
for
the
last
couple
of
days
and
whatnot
and
also
been
busy
for
the
last
few
weeks.
I
do.
I
did
want
to
do
like
a
little
demo,
and
this
is
kind
of
in
line
with
what
we've
touched
on
before.
Where
do
we
have
a
a
plan
of
attack
for
the
receiver
and
how
are
we
gonna?
D
What
what
are
we
gonna
do
for
timing,
sync
and
and
carrier
sync
on
that,
so
that
was
a
question
I
was
playing
around
with
a
couple
of
the
new
radio
blocks
to
kind
of
get
familiar
with.
You
know
some
things
that
we
could
do.
D
I
do
have
the
two
pluto's
run
and
I
can
show
more
or
less
what
I'm
talking
about.
If,
if
you
want
to
share
a
screen.
A
Oh
yeah
sure
that'd
be
that'd,
be
good.
Why
don't
we
go
ahead
and
do
that
now
you
have
the
you
have
con.
D
Okay,
hold
up
part
of
this
is
too
many
screens
open,
all
right,
so
share
screen
and
then
screen
to
share
okay.
Hopefully
you
can
see
this
basically.
D
So
that
the
I
had
talked
to
paul
about
this,
a
while
back
but
pluto
the
sink
here,
it
accepts,
you
know
a
complex
float,
but
it
also
has
a
mode
where
you
can
do
a
complex
n16,
which
is
really
what
the
chipset
wants
to
see.
I
was
a
little
bit
concerned
of
if,
if
that
was
being
represented
correctly,
I
was
never
able
to
get
to
the
bottom
of
that,
but
mainly
because
of
the
conversions
that
I've
had.
But
for
the
most
part
I
I
do
think
it's
it's.
D
As
far
as
I
can
tell
it's
it's
working,
okay.
So
so
let
me
just
kind
of
point
you
to
a
couple
of
settings
here.
First
of
all,
I'm
generating
just
a
simple
rate
of
150
k
and
then
I'm
over
sampling
those
symbols
by
16
to
get
a
sample
rate
of
2.4
meg.
D
That's
indicated
up
here,
so
we
go
through
the
chain.
Just
like
you
normally
would
then
on
our
rrc
filter.
I
do
interpolation
of
16
and
basically
because
of
the
way
it
works
and
all
that
we
also
need
to
increase
the
gain
by
16..
So
I
could
have
probably
just
done
it
here,
but
I
had
an
external
thing
then
I
look
at
the
thing
to
show
us
what
we're
doing.
Let
me
just
run
that
real,
quick.
D
All
right
so
over
here
on
the
scope.
Now
we
see
that
the
this
signal
here,
these
signals
obviously
are
going
into
the
pluto
well
kind
of
so
this
is
the
the
I
and
the
q
signals.
You
see
that
they're
close
to
one,
which
is
our
normalized
complex,
float
fft.
D
This
is
the
transmitted
signal
after
the
the
first
rrc
and
to
to
show
us
what.
D
What's
in
this
scaling
anyways,
then
I
pass
it
through
a
second
one,
so
we
can
get
our.
You
know:
symbols
back
in
a
nice
tidy
order,
yeah.
D
You
know
we,
we
see
that
the
you
know
after
the
first
roc
just
the
way
it
works
right.
A
D
A
D
So
anyways
this
is
on
the
pluto.
That's
hooked
up
to
the
3.1
on
the
subnet.
It's
running
at
900,
meg
sample
rate
is
out,
so
the
two
rrcs
are
here
right:
here's
the
one
that
goes
out
to
the
transmitter
it
gets
gained
up
by
16
goes
out
and
then
here's
the
other
one.
So
we
can
see
the
symbol.
Is
a
nice
tight
order
over
here,
I'm
keeping
one
out
of
16.
Basically,
this
has
got
a
destination
of
16
and
then
on
this
one
here,
which
is
basically
what.
D
This
constellation
sink
is
what
goes
out
to
the
pluto,
so
I'm
just
keeping
one
out
of
16
here
to
keep
you
know,
so
we
can
see
them
the
same
way.
Otherwise
you
just
see
a
ball
of
mess.
D
Now,
on
the
receive
side,
what
I
have
is
just
the
pluto's
sink
here
I
go
through
a
raised:
cosine
filter,
I'm
keeping
one
out
of
six
okay,
so
decimate
by
16,
keep
one
out
of
one,
because
I
was
mucking
around
with
this.
This
doesn't
really
need
to
be
here,
and
I
have
the
constellation
sink
here
and
then
this
is
where
the
whole
purpose
of
my
talking
is
okay,
so
well,
what
kind
of
timing
do
we
want
to
see,
and
why
does
it
matter?
D
First
of
all,
this
symbol
block
here?
If
you
go
into
the
documentation,
it's
pretty
powerful.
It's
got
a
lot
of
neat
stuff
in
there,
so
these
are
the
different
algorithms
that
you
could
pick
gardner
really
late,
whatever
you
know
maximum
likelihood,
and
we
play
around
with
that.
So
if
we
want
to
see
what
the
performance
of
one
versus
another
one
is.
Certainly
this
is
a
good
block
to
do
it,
and
then
we
can
code.
You
know,
based
on
our
findings,
they've
done
a
pretty
thorough
job
of
documenting
this.
D
As
far
as
I
can
tell
it's,
either
that
or
my
ignorance
anyways.
Okay.
So
let's
run
this.
This
is
by
the
way
this
is
running
on
2.2,
and
so
it's
a
completely
different
pluto
they're,
separated
by
let's
say
a
couple
of
feet:
not
they're
they're,
pretty
close
to
each
other.
D
It
is
over
the
air
you're
right,
okay,
so
I'm
going
to
run
that
and
then
I'll
drag
the
the
screen
over
there.
Let's
see
here,
okay,
it's
a
lot
of
interesting
things
here,
spectrum
kind
of
what
we
see
what
we
expect
to
see
this
one
here
scope
is
the
decimated
points.
It
should
be.
Basically,
your
your
the
scope
here
should
be
1
out
of
16
points.
So
in
an
ideal
case
it
would
be
the
symbol-
and
let's
see
here,
see
if
I
can
make
this
bigger.
D
This
constellation
here
is
the
one
coming
directly
out
of
the
pluto.
Now
what
we're
seeing
here
is,
you
know
the
symbols
are
coming
in
and
out
remember.
This
is
decimated
by
16,
because
there's
a
beat
frequency
right.
If
you
time
this
beep
frequency
that
will
kind
of
give
you
the
idea
of
the
difference
in
the
two
clocks
on
the
two
plutos.
D
On
this,
one
here
is
the
constellation,
but
out
of
out
of
that
sync
block-
and
you
see
it
comes
in
and
out
so
basically
what's
happening
is:
is
it's
not
really
attaining
lock?
Here's
a
sinker,
you
see
burst
of
you
know
it's
it's
noisy
there
is,
you
know
whatever,
so
you
know
we
can
muck
with
a
with
the
settings
here
and
and
see
what
make
what
what
would
improve
it.
D
There's
a
let's
see
here.
Let's
let
me
just
try
changing
this
to
garner
and
sixteen
ted
two.
I
think
so
I
gotta
stop
it
and
then
restart
it.
So
I
I
haven't
really
been
able
to
get
this
thing
kind
of
just
lock
and
stay
there.
A
D
I
don't
know
what
it
is
now
this
one
here
is
actually
pretty
good
right,
but
you'll
see
it.
A
A
The
sync:
it's
not
locking,
but
it's
obviously
better.
D
Yeah
see
how
I
just
see
how
every
once
in
a
while
it
loses
log
now
there's
a
couple
reasons
for
that.
I
don't
then
I'm
just
guessing
it.
These
pluto
blocks
don't
really
indicate
if
you're
overflowing
or
underflowing
to
the
interfaces
themselves.
I'm
going
to
collapse
this
so
this
interface.
We
have
no
idea
if
the
computer
can
keep
up
with
it.
What
would
be
nice
is
if
we
had
some
kind
of
a
lock
it.
You
know
overflow
underfloor
indicator
like
a
little
virtual,
led
that
blips.
D
D
D
Well,
these
these
blocks,
they
don't
have
a
an
error
indication.
As
far
as
I
can
tell
I
mean
I,
I
don't
know
how
to
get
it.
I
know
that
the
iio
interface
does
have.
There
is
a
way
to
get
to.
You
know
if
there's
been
a
buffer,
override
or
under
flow.
You
know,
but
in
gnu
radio
like
if
I
were
to
get,
I
could
get
through
it
in
python,
but
but
certainly
not
with
this
thing.
D
So
if
we
could
create
our
own
thing,
maybe
we
could
do
that
other
other
than
that
create
our
own.
Like
a
python,
strictly
based
python
model
or
or
simulation,
I'm
not.
You
know.
I
I've
really
just
been
exposed
to
gnu
radio
for
a
very
short
period
of
time.
So
I
don't
know
all
the
ins
and
outs,
and
it's
not
real
obvious
to
me,
but
anyways
that
that's
kind
of
like
what
I've
been
playing
with.
I.
A
D
Haven't
you
know
so
where's
this
okay
hasn't
been
that
fruitful
other
than
it'd
be
nice.
If
this
thing
locked
and
we
can,
we
can
kind
of.
A
D
I
think
step
one
would
be
you
know.
The
first
thing
we
need
to
do
is
is
achieve
a
very
robust
and
repeatable
simple
timing,
lock,
which
you
see
this
guy
here,
he's
kind
of
locked,
but
every
once
while
he
see
how
he
yes,
I
don't
know
how
much
you're
seeing
that,
but.
A
No,
no,
no,
we
see
it
and
you're
right.
So
that's
why
we've
picked
everything
in
the
protocol
that
can
help
us
achieve
this.
D
And
then
the
second
thing
after
that
would
be
kind
of
achieving
carrier
lock.
So
right
now,
when
this
is
locked,
you
see
a
ring
mainly
because
the
constellation
is
spinning
right,
and
this
is,
I
believe,
it's.
What
am
I
using
for
constellation.
D
B
C
D
Oh,
I'm
sorry,
I
can
barely
hear
you
really
say
it
again.
A
It
was
your
audio
was
really
good
earlier
and
now
it's
really
low.
B
Seriously:
okay!
Well!
No!
No!
That's
probably
because
I'm
experimenting
with
some
mixers.
Okay,
but
if
you
can
hear
me
leonard
just
a
small
surprise,
I.
A
Yeah
we
can
tell
you're
talking,
but
we
can't
hear,
can.
B
When
I
was
doing
at
one
point
bench
testing
between
two
satellite
modems
a
hundred
years
ago-
and
we
were
just
doing
what
the
manual
said-
which
is
you
know-
connect
from
one
to
another-
whatever
you
know
using
a
coax
cable
or
over
the
air,
even
just
because
the
bnc
interfaces
were
just
you
know
within
the
same
room,
so
what
I
and
we
were
doing-
70
megahertz
iaf.
B
What
I
had
to
do
was
literally
put
a
large
lossy
attenuator,
a
very
large
losses,
attenuator
to
get
it
to
lock.
It
was
actually
so
sensitive
that
it
would
not
lock,
even
if
we
reduced
the
power
level
to
the
minimum
power,
which
was
minus
25
db
m
for
that
modulus.
B
It's
it's
it's
very
common,
but
I
I
just
I'm
just
asking:
if
leonard
has
has
a
one
minute
to
test,
could
he
just
yank
the
antenna
out
of
it
or
whatever
just
to
make
a
you
know,
because
rf
is
really.
It
goes.
B
May
actually
be
passing
the
antenna
and
going
to
the
other
wall
or
other
structures
of
your
building
and
coming
back
out
of
phase
so
you're
not
going
to
be
able
to
lock
it.
It's
just
theoretical
versus
practical
know-how,
and
my
friend
michael
chisena
would
beat
me
up.
If
I
didn't
actually
do
this,
because
he
would
always
say
you
can't
assume
that
your
rf
will
just
stop
at
that,
and
it
will
keep
on
going
until
it
hits
a
car
and
then
come
back.
A
Okay,
yeah
we'll
double
check
that
we've
seen
similar
things
in
in
various
labs,
so
so
leonard,
if
you,
if
you
didn't
hear
him
he's
he's
asking
like,
maybe
there
is
too
much
power,
the
signal
is
overloading
the
the
pluto
is
getting
overloaded
and
we
know
that
the
pluto
is
an
sdr,
doesn't
have
the
best
filters
and
that
it
might
be
worthwhile
to
kind
of
back
off,
either
add
attenuation
or
back
off
the
power
to
see
if
it.
If
that's
the
issue,.
B
D
Yes,
that's
it
so
all
right!
So
I
just
restarted
this.
I
added
30
db
of
tx
attenuation
to
that
and
then
let
me
re-stop
and
restart
this
guy
here,
all
right.
So
now
I
should
have
20
20
dbs
of
attenuation,
so
so
this
this
is
one
thing
that
I've
noticed.
D
A
And
working
on
this
sort
of
stuff
is:
is
both
art,
science
and
craft?
It's
all
all
the
view
of
so
we'll
be
able.
I
think
that
your
goal
when
you
said
that
you
know
we
need
something-
that's
repeatable
and
defined,
and-
and
here
you
know,
here's
the
flow
graph
with
all
the
configurations
and
and
the
proper
setup.
I
think
that's
the
a
really
good
goal
that
we
should
work
on
next,
so
I
I
couldn't
agree
more.
D
Yeah,
no,
I
agree
so
one
thing
that
I've
noticed
is
that
on
the
pluto
it's
got
a
agc
on
there
right.
So
this
one
here
is
a
slow
attack,
which
means
it
just
you
know,
should
be
slaving.
D
The
internal
gain
into
you
know
to
more
or
less
full
scale,
backed
off
by
a
couple
of
bits,
and
here
I
I
return
I
on
the
transmitter.
I
you
know,
I
reduced
it
by
20
db.
So
from
my
from
added
20
more
db
of
attenuation,
it
was
at
10.,
but
you
see
that
here
on
the
on
the
received
side
of
things,
the
amplitude
really
really
did
get
reduced
by
quite
a
bit.
D
D
Anyways,
I
don't
want
to
really
take
any
more
time.
That's
what
I
have
on.
C
D
There's
no
really
use
useful
code
other
than
just
kicking
the
tires
on
some
of
these
things.
I
think
that
just
being
able
to
zero
in
on
a
simple
sync
method
is
gonna,
be
good.
Anyways.
A
D
A
C
A
Wonderful,
that's
good
news.
Okay
and
it
looks
like
oh
so
we
have
a
tony
stone
hi
you
want
to.
You,
have
the
floor
like
to
introduce
yourself
or
let
us
know
what
you're
interested
in.
A
Oh
well
you're
very
welcome
any
follow-up
questions.
You
have
please
go
ahead
and
ask
either
email
or
slack
no
problem.
Thank
you.