soft rock and hpsdr – 21 century amateur radio …vk6aph -was much easier on the ear than the...
TRANSCRIPT
Soft
Roc
k an
d H
PSD
R –
21st
Cen
tury
Am
ateu
r Rad
io
Expe
rimen
tatio
nB
ill T
race
y B
ill T
race
y ––
kd5t
fd
kd5t
fd
(bill
@(b
ill@
ewjt
ewjt .
com
).c
om)
Aug
ust 2
006
Aug
ust 2
006
Who
am
I an
d w
hy I’
m ta
lkin
g ab
out S
oftw
are
Def
ined
Rad
io
Bill
Tra
cey
Bill
Tra
cey
––K
D5T
FD
KD
5TFD
Fi
rst L
icen
sed
in 2
002
Firs
t Lic
ense
d in
200
2H
ave
an E
E de
gree
, wor
k as
a c
ompu
ter
Hav
e an
EE
degr
ee, w
ork
as a
com
pute
r pr
ogra
mm
erpr
ogra
mm
erB
een
havi
ng a
ton
of fu
n w
ith S
DR
the
last
B
een
havi
ng a
ton
of fu
n w
ith S
DR
the
last
3
year
s 3
year
s Th
ink
I sho
uld
tell
y’al
l ‘bo
ut it
so y
ou c
an
Thin
k I s
houl
d te
ll y’
all ‘
bout
it so
you
can
ha
ve so
me
fun
too!
ha
ve so
me
fun
too!
In th
e be
ginn
ing
–“S
DR
for t
he
Mas
ses”
Ger
ald
You
ngbl
ood’
s QEX
arti
cles
G
eral
d Y
oung
bloo
d’s Q
EX a
rticl
es ––
2002
20
02
Exce
llent
set o
f arti
cles
Ex
celle
nt se
t of a
rticl
es ––
lots
of i
nter
est f
rom
the
lots
of i
nter
est f
rom
the
expe
rimen
ter c
omm
unity
expe
rimen
ter c
omm
unity
Show
s how
to d
o an
SD
R w
ith a
PC
and
som
e R
F Sh
ows h
ow to
do
an S
DR
with
a P
C a
nd so
me
RF
hard
war
eha
rdw
are
Has
evo
lved
into
a b
usin
ess f
or G
eral
d H
as e
volv
ed in
to a
bus
ines
s for
Ger
ald
––Fl
exFl
ex--
Rad
io S
yste
ms
Rad
io S
yste
ms
$500
ent
ry p
oint
for a
3 b
oard
stac
k ra
dio
$500
ent
ry p
oint
for a
3 b
oard
stac
k ra
dio
GPL
Lic
ense
d So
ftwar
e G
PL L
icen
sed
Softw
are
The
Soft
Roc
k 40
–Tr
uly
SDR
fo
r the
(che
ap) m
asse
sC
once
ived
and
Des
igne
d by
Ton
y Pa
rks
Con
ceiv
ed a
nd D
esig
ned
by T
ony
Park
s (K
B9Y
IG) a
s an
“SD
R S
ampl
er”
(KB
9YIG
) as a
n “S
DR
Sam
pler
” Si
mpl
e C
ryst
al C
ontro
lled
Rec
eive
r Si
mpl
e C
ryst
al C
ontro
lled
Rec
eive
r G
ives
+/
Giv
es +
/ --24
24
khz
kh
z tu
ning
with
bas
ic so
und
card
tuni
ng w
ith b
asic
soun
d ca
rdC
olla
bora
tivel
y de
velo
ped
on th
e In
tern
et o
n th
e C
olla
bora
tivel
y de
velo
ped
on th
e In
tern
et o
n th
e Fl
ex R
adio
Frie
nds
Flex
Rad
io F
riend
s V
oIP
VoI
P se
rver
pro
vide
d by
se
rver
pro
vide
d by
A
A4S
W
AA
4SW
M
y cl
aim
to fa
me:
I ca
me
up w
ith th
e na
me!
My
clai
m to
fam
e: I
cam
e up
with
the
nam
e!A
lso
did
Als
o di
d Po
wer
SDR
mod
s Po
wer
SDR
mod
s fo
r it,
and
for i
t, an
d bu
ilt/te
sted
qui
te a
few
pro
toty
pes
built
/test
ed q
uite
a fe
w p
roto
type
s$1
5 $1
5 -- $
30 fo
r a k
it$3
0 fo
r a k
it
Soft
Roc
k hi
ts th
e B
ig T
ime
Am
QR
P A
mQ
RP
kitte
d So
ft R
ock
40 (V
4) in
200
5ki
tted
Soft
Roc
k 40
(V4)
in 2
005
A se
ll ou
t! A
sell
out!
Tony
has
con
tinue
d to
dev
elop
and
sell
Soft
Roc
k To
ny h
as c
ontin
ued
to d
evel
op a
nd se
ll So
ft R
ock
Kits
Kits V
5
V5
--1x
loca
l1x
loca
l oscosc
––2
boar
ds2
boar
dsba
ndpa
ssba
ndpa
ss// o
scosc
and
and
QSD
boa
rd, R
C fi
lter f
or L
O
QSD
boa
rd, R
C fi
lter f
or L
O Q
uadr
atur
e Q
uadr
atur
e ge
nera
tion
gene
ratio
nV
6 V
6 ––
back
to 4
x lo
cal
back
to 4
x lo
cal o
scosc
-- 40/
80 m
eter
s, 16
0 40
/80
met
ers,
160
met
ers
met
ers
V7
V7
––10
met
ers,
inte
nded
as a
n IF
strip
for V
HF
10 m
eter
s, in
tend
ed a
s an
IF st
rip fo
r VH
F an
d up
and
updo
wnc
onve
rters
dow
ncon
verte
rsV
6 an
d V
7 ar
e cu
rren
tly a
vaila
ble
V6
and
V7
are
curr
ently
ava
ilabl
eO
ver 3
000
Soft
Roc
ks O
ut th
ere
now
O
ver 3
000
Soft
Roc
ks O
ut th
ere
now
Softw
are
for t
he S
oft R
ock
Pow
erSD
R
Pow
erSD
R ––
Flex
’s c
ode
Flex
’s c
ode
adap
ated
ad
apat
ed to
the
Soft
to th
e So
ft R
ock
by K
D5T
FD
Roc
k by
KD
5TFD
––no
w p
art o
f Fle
x’s
now
par
t of F
lex’
s di
strib
utio
ndi
strib
utio
nR
ocky
R
ocky
––by
Ale
x by
Ale
x Sh
ovko
plya
sSh
ovko
plya
s , V
E3N
EA, V
E3N
EAK
GK
SDR
by
Dun
can
Mun
ro, M
0KG
KK
GK
SDR
by
Dun
can
Mun
ro, M
0KG
KSD
Rad
ioSD
Rad
ioan
d an
d W
inR
adW
inR
adby
Alb
erto
by
Alb
erto
Di
Di B
ene
Ben
e , I2
PHD
, I2P
HD
Linr
ad
Linr
ad b
y Le
if by
Lei
f Asb
rink
Asb
rink ,
SM
5BSZ
, S
M5B
SZ
GN
UR
adio
GN
UR
adio
Any
thin
g th
at c
an h
andl
e I/Q
shou
ld w
ork
A
nyth
ing
that
can
han
dle
I/Q sh
ould
wor
k
Pow
erSD
R
VE3
NEA
’s R
ocky
Som
e gr
eat i
nnov
atio
nsSo
me
grea
t inn
ovat
ions
Aut
oIQ
A
utoI
Q c
orre
ctio
ns,
corr
ectio
ns,
Poly
phas
e Po
lyph
ase
FFT
FFT
Gre
at
Gre
at b
ands
cope
band
scop
eK
eyC
lick
Key
Clic
k Fi
lter
Filte
r
Soft
Roc
k A
pplic
atio
ns
Top
Ban
d To
p B
and
Dxi
ngD
VH
F/U
HF
Con
test
ing
VH
F/U
HF
Con
test
ing
Expe
rimen
ting
Expe
rimen
ting
IF S
trip
IF S
trip
––di
gitiz
e yo
ur B
oat A
ncho
r (or
K2,
di
gitiz
e yo
ur B
oat A
ncho
r (or
K2,
w
hat h
ave
you)
w
hat h
ave
you)
Top
Ban
d D
Xin
g–
VK
6VZ
Stev
e Ir
elan
d ha
s bee
n us
ing
a So
ft R
ock
on
Stev
e Ir
elan
d ha
s bee
n us
ing
a So
ft R
ock
on
160
160
––a
quot
e fr
om th
e a
quot
e fr
om th
e To
pBan
d To
pBan
d re
flect
orre
flect
orIn
stea
d of
con
tinua
lly tu
ning
up
and
dow
n 18
00 to
183
5KH
z, I
sim
ply
wat
ched
the
DX
sect
ion
of th
e ba
nd o
n m
y PC
…(P
4, 3
.0gh
z) s
cree
n an
d w
hene
ver a
wea
k si
gnal
ap
pear
ed, c
licke
d on
it, a
nd, h
ey p
rest
o, q
uick
ly id
entif
ied
it.Th
e si
gnal
s I w
as li
sten
ing
to
wer
e be
twee
n S2
and
S5
max
imum
and
ofte
n in
slo
w a
nd h
eavy
QSB
-I f
ound
the
latte
r m
ade
it ea
sy to
tune
ove
r the
top
of th
em w
ith m
y us
ualY
aesu
FT10
00, b
ut I
coul
d ea
sily
se
e th
em o
nR
ocky
's b
ands
cope
and
coul
dn't
mis
s th
em. T
he R
ocky
/Sof
trock
com
bina
tion
was
far m
ore
effe
ctiv
e th
an th
e FT
1000
for t
his
purp
ose,
on
the
basi
s th
at I
foun
d at
leas
t fiv
e st
atio
ns (w
eak
USA
and
JAs
mai
nly)
in th
e sa
me
time
it to
ok m
e to
find
one
on
the
FT10
00.
Roc
ky is
ligh
t yea
rs a
head
of a
ny o
ther
band
scop
eI h
ave
ever
see
n bu
ilt in
to/ta
cked
ont
o a
radi
o -V
E3N
EA d
eser
ves
a m
edal
. The
poly
phas
efil
terin
g an
d th
e so
lid tr
ace
are
mas
ters
troke
s. T
he d
irect
con
vers
ion
Softr
ock
40 -
mod
ified
for 1
60m
with
a fr
ont-e
ndba
ndpa
ssfil
ter d
esig
ned
by P
hil V
K6AP
H -
was
muc
h ea
sier
on
the
ear t
han
the
FT10
00.
With
out t
he m
ultip
leIF
s/m
ixer
s of
the
FT10
00, t
heSo
ftroc
kha
s th
at g
reat
'con
nect
ed d
irect
to
eth
er' s
ound
to it
-an
d th
e 60
0Hz
digi
tal f
ilter
mad
e C
W m
uch
nice
r to
liste
n to
than
the
dual
500
Hz
latti
ce c
ryst
al fi
lters
in m
y FT
1000
.
I sho
uld
emph
asiz
e th
at th
is is
an
expe
rimen
ters
(ble
edin
g ed
ge)p
rodu
ct, b
ut a
s fa
r as
I am
con
cern
ed, t
he R
ocky
/Sof
trock
SDR
com
bo is
in a
noth
er le
ague
for w
eak
sign
alD
from
the
anal
og ra
dios
in m
y sh
ack.
VH
F C
onte
st –
4 SR
7s &
Lin
rad
Rog
er R
ehr,
W3S
Z us
ed 4
SR
7’s a
nd L
inra
d fo
r ban
dsco
pes i
n a
rece
nt V
HF/
UH
F C
onte
st –
Situ
atio
nal A
war
enes
s!
Expe
rimen
ting
An
IAR
U B
eaco
n M
onito
r for
VE3
NEA
’s F
aros
A
n IA
RU
Bea
con
Mon
itor f
or V
E3N
EA’s
Far
os
Als
o ca
n be
an
20 m
eter
Als
o ca
n be
an
20 m
eter
SSTV
cam
SSTV
cam
rece
iver
rece
iver
Bas
ed o
n an
B
ased
on
an
SR v
5SR
v5
28.2
24
28.2
24
cloc
k cl
ock
osc
osc
divi
ded/
2di
vide
d/2
14.2
24
14.2
24 o
sc
osc
used
for
used
for
SSTV
SSTV
Expe
rimen
ting
A D
DS
tune
d A
DD
S tu
ned
SoftR
ock
SoftR
ock
5 fo
r 20
met
ers
5 fo
r 20
met
ers
Usi
ng
Usi
ng A
mQ
RP
Am
QR
P D
DS
card
, hom
ebre
w U
SB c
ontro
lD
DS
card
, hom
ebre
w U
SB c
ontro
lO
ther
s hav
e do
ne si
mila
r with
bet
ter D
DS
chip
sO
ther
s hav
e do
ne si
mila
r with
bet
ter D
DS
chip
s
Bod
oS
chol
z’s
DJ9
CS
K2
Pan
adap
ter
Tapp
ed 4
.915
Ta
pped
4.9
15
MH
z IF
at N
oise
M
Hz
IF a
t Noi
se
Bla
nker
Slo
tB
lank
er S
lot
Ban
dpas
s B
andp
ass
filte
r &
filte
r &
SR 5
with
SR
5 w
ith
App
ropr
iate
A
ppro
pria
te X
tal
Xta
l
Soft
Roc
k Fu
ture
Tony
’s d
oing
a n
ew 1
000
kit r
un o
f the
V6
Tony
’s d
oing
a n
ew 1
000
kit r
un o
f the
V6
Har
mon
ic S
ampl
ing
for 2
0 an
d 15
met
ers
Har
mon
ic S
ampl
ing
for 2
0 an
d 15
met
ers
An
exci
ter?
A
n ex
cite
r?
SoftR
ock
SoftR
ock
info
: in
fo:
http
://gr
oups
.yah
oo.c
om/g
roup
/sof
trock
40/
http
://gr
oups
.yah
oo.c
om/g
roup
/sof
trock
40/
HPS
DR
.org
Hig
h Pe
rfor
man
ce S
oftw
are
Def
ined
Rad
ioH
igh
Perf
orm
ance
Sof
twar
e D
efin
ed R
adio
By
Des
ign
Soft
Roc
k is
a m
inim
alis
t SD
RB
y D
esig
n So
ft R
ock
is a
min
imal
ist S
DR
HPS
DR
aim
ed to
war
ds h
igh
perf
orm
ance
HPS
DR
aim
ed to
war
ds h
igh
perf
orm
ance
Syst
em fo
r Exp
erim
ente
rs a
nd E
nthu
sias
ts
Syst
em fo
r Exp
erim
ente
rs a
nd E
nthu
sias
ts
Ope
n O
pen
––H
ardw
are,
Firm
war
e, &
Sof
twar
e H
ardw
are,
Firm
war
e, &
Sof
twar
e A
Wor
ld W
ide
Col
labo
ratio
n A
Wor
ld W
ide
Col
labo
ratio
n In
cred
ible
arr
ay o
f exp
erts
join
ing
in
Incr
edib
le a
rray
of e
xper
ts jo
inin
g in
HPS
DR
.org
Can
we
mak
e a
bette
r sou
ndca
rd fo
r the
SD
R
Can
we
mak
e a
bette
r sou
ndca
rd fo
r the
SD
R
1000
?10
00?
Evol
ved
into
can
We
Mak
e a
Bet
ter R
adio
Evol
ved
into
can
We
Mak
e a
Bet
ter R
adio
Mod
ular
App
roac
hM
odul
ar A
ppro
ach
Boa
rds b
eing
bui
lt no
w
Boa
rds b
eing
bui
lt no
w
Atla
s A
tlas
Bac
kpla
ne
Bac
kpla
ne ––
pass
ive
pass
ive
Janu
s Ja
nus
A/D
and
D/A
con
verte
rs
A/D
and
D/A
con
verte
rs ––
24 b
it/19
2 24
bit/
192
khz
khz
Bet
ter p
erfo
rman
ce th
an th
e D
elta
44
Bet
ter p
erfo
rman
ce th
an th
e D
elta
44
Ozy
Man
dias
O
zyM
andi
as ––
USB
Lin
k to
the
Com
pute
r, U
SB L
ink
to th
e C
ompu
ter,
FPG
A fo
r loc
al lo
gic
FPG
A fo
r loc
al lo
gic
Atla
s, Ja
nus,
and
Ozy
Mer
cury
, Gib
ralta
r, Sa
squa
tch,
…M
ercu
ry
Mer
cury
––H
i Rat
e A
/D c
ard
Hi R
ate
A/D
car
d ––
N8V
B &
VK
6APH
N8V
B &
VK
6APH
LTC
2208
bas
ed
LTC
2208
bas
ed ––
130M
sps,
16 b
it13
0Msp
s, 16
bit
VK
6APH
up
and
expe
rimen
ting
on R
ef b
oard
VK
6APH
up
and
expe
rimen
ting
on R
ef b
oard
Dig
itize
who
le H
F ba
nd in
one
swoo
pD
igiti
ze w
hole
HF
band
in o
ne sw
oop
Dig
ital D
own
Con
vers
ion
in F
PGA
on
boar
d D
igita
l Dow
n C
onve
rsio
n in
FPG
A o
n bo
ard
Gib
ralta
r G
ibra
ltar ––
Lock
ed F
requ
ency
Sta
ndar
d Lo
cked
Fre
quen
cy S
tand
ard
––W
2GPS
W
2GPS
&
N7H
PR&
N7H
PRLo
ck a
ll th
e Lo
ck a
ll th
e os
c’s
osc’
s in
an
HPS
DR
to o
ne c
lock
in a
n H
PSD
R to
one
clo
ckSa
squa
tch
Sasq
uatc
h : A
DSP
Boa
rd
: A D
SP B
oard
––K
K7P
K
K7P
“L
ook
Ma,
no
PC”
“Loo
k M
a, n
o PC
”Ph
oeni
x Ph
oeni
x ––
A Q
SD/Q
SE b
oard
A
QSD
/QSE
boa
rd
Oth
ers b
eing
dis
cuss
ed
Oth
ers b
eing
dis
cuss
ed
HPS
DR
.org
Com
mun
ityV
ery
Skill
ed se
t of P
eopl
e co
min
g to
geth
erV
ery
Skill
ed se
t of P
eopl
e co
min
g to
geth
erD
oing
it fo
r the
love
of i
t D
oing
it fo
r the
love
of i
t Lo
ose
Con
fede
ratio
n of
Exp
erim
ente
rs
Loos
e C
onfe
dera
tion
of E
xper
imen
ters
A
dvan
cing
the
Am
ateu
r Rad
io A
rt A
dvan
cing
the
Am
ateu
r Rad
io A
rt O
pen
Ope
n ––
GPL
for S
oftw
are
GPL
for S
oftw
are
John
Ack
erm
an (N
8UR
) fro
m T
APR
wor
king
Jo
hn A
cker
man
(N8U
R) f
rom
TA
PR w
orki
ng
on T
APR
Ope
n H
ardw
are
Lice
nse
on T
APR
Ope
n H
ardw
are
Lice
nse
AM
SAT
and
TAPR
lend
ing
supp
ort
AM
SAT
and
TAPR
lend
ing
supp
ort
TAPR
kitt
ing
Atla
s, ot
hers
whe
n re
ady
TAPR
kitt
ing
Atla
s, ot
hers
whe
n re
ady
AM
SAT
getti
ng d
esig
ners
acc
ess t
o A
MSA
T ge
tting
des
igne
rs a
cces
s to
com
mer
cial
tool
s co
mm
erci
al to
ols
Som
e O
ther
SD
R w
ork
GN
UR
adio
G
NU
Rad
io a
nd th
e U
SRP
and
the
USR
PH
PSD
R b
orro
win
g he
avily
from
USR
P H
PSD
R b
orro
win
g he
avily
from
USR
P ar
chite
ctur
e ar
chite
ctur
e A
MSA
T’s
AM
SAT’
s SD
X
SDX
Sa
squa
tch
Sasq
uatc
h ba
sed
on D
SP A
MSA
T is
usi
ng
base
d on
DSP
AM
SAT
is u
sing
uW
SDR
uW
SDR
SD
R fo
r Mic
row
aves
, HW
and
SW
from
a
SDR
for M
icro
wav
es, H
W a
nd S
W fr
om a
Eu
rope
an g
roup
Euro
pean
gro
upFl
ex R
adio
Fl
ex R
adio
Sh
owed
ear
ly v
ersi
on o
f the
ir ne
w S
DX
in
Show
ed e
arly
ver
sion
of t
heir
new
SD
X in
de
velo
pmen
t at D
ayto
n th
is y
ear
deve
lopm
ent a
t Day
ton
this
yea
r
Wra
p U
p Ex
citin
g St
uff t
o Ex
perim
ent W
ith
Exci
ting
Stuf
f to
Expe
rimen
t With
A
cces
sibl
e A
cces
sibl
e ––
if yo
u’re
inte
rest
ed in
SD
R, t
ry
if yo
u’re
inte
rest
ed in
SD
R, t
ry
a So
ft R
ock
a So
ft R
ock
HPS
DR
.org
H
PSD
R.o
rg ––
build
ing
bloc
ks fo
r bu
ildin
g bl
ocks
for
expe
rimen
ters
expe
rimen
ters
Join
in, h
ave
som
e fu
n!
Join
in, h
ave
som
e fu
n!
Que
stio
ns?
Que
stio
ns?