@Z_BOXTEXT = ADC

@Z_BOXTEXT = DAC

@Z_BOXTEXT = TMC320C25

@Z_BOXTEXT = Gain<R>
Switch

@Z_BOXTEXT = RAM

@Z_BOXTEXT = LEDs

@Z_BOXTEXT = Host<R>
Computer

@Z_BOXTEXT = Transceiver<R>
Control<R>
(2 ports)

@Z_BOXTEXT = Tim

@Z_BOXTEXT = Tune Up<R>
Tune Down<R>


@Z_BOXTEXT = Key

@Z_BOXTEXT = PTT

@Z_BOXTEXT = Freq Up

@Z_BOXTEXT = Squelch

@Z_BOXTEXT = Freq Down

@Z_BOXTEXT = Audio In

@Z_BOXTEXT = Audio Out

@Z_BOXTEXT = Source<R>
Switch

@Z_BOXTEXT = EPROM

@Z_BOXTEXT = UART

@Z_BOXTEXT = External<R>
Bus



@Z_CAPTION = 

@Z_BOXTEXT = Clipper

@Z_BOXTEXT = NB Filt

@Z_BOXTEXT = Limiter

@Z_BOXTEXT = Mark<R>
Filter

@Z_BOXTEXT = Space<R>
Filter

@Z_BOXTEXT = ATC

@Z_BOXTEXT = SITOR<R>
Decoder

@Z_BOXTEXT = Output<R>
FIFO

@Z_BOXTEXT = Audio<R>
Input

@Z_BOXTEXT = Audio<R>
Output

@Z_BOXTEXT = Carrier<R>
Gate

@Z_BOXTEXT = Key<R>
Gen

@Z_BOXTEXT = Sync<R>
Recovery

@Z_BOXTEXT = RTTY<R>
Decoder

@Z_BOXTEXT = AFSK<R>
Synth

@Z_BOXTEXT = Input<R>
FIFO

@Z_BOXTEXT = Host<R>
Computer

@Z_BOXTEXT = Host<R>
Computer

@Z_BOXTEXT = (b) Modulator

@Z_BOXTEXT = (a) Demodulator



@Z_CAPTION = 

@Z_CAPTION = 

@Z_CAPTION = 

@Z_BOXTEXT = I Channel<R>
LPF

@Z_BOXTEXT = Q Channel<R>
LPF

@Z_BOXTEXT = <$Esqrt {  I sup 2 ~+~Q sup 2  }>

@Z_BOXTEXT = Matched<R>
Filter *

@Z_BOXTEXT = <$Esin ( omega )>

@Z_BOXTEXT = Output<R>
to<R>
Decoders

@Z_BOXTEXT = to

@Z_BOXTEXT = Decoders

@Z_BOXTEXT = Input<R>
from<R>
Limiter

@Z_BOXTEXT = <$Ecos ( omega )>

@Z_BOXTEXT = <$Etimes>

@Z_BOXTEXT = <$Etimes>

@Z_BOXTEXT = * Only in IIR Filters

@Z_BOXTEXT = to

@Z_BOXTEXT = Decoders



@Z_CAPTION = 

@Z_CAPTION = 

@Z_CAPTION = 

@Z_BOXTEXT = 1<R>
1.0

@Z_BOXTEXT = Start<R>
1.0

@Z_BOXTEXT = 3<R>
1.0

@Z_BOXTEXT = 4<R>
1.0

@Z_BOXTEXT = 2<R>
1.0

@Z_BOXTEXT = 5<R>
1.0

@Z_BOXTEXT = Stop<R>
1.5

@Z_BOXTEXT = Stop<R>
1.5

@Z_BOXTEXT = Start<R>
1.0

@Z_BOXTEXT = Character Interval<R>
(60 samples)

@Z_BOXTEXT = Bit Interval<R>
(8 samples)

@Z_BOXTEXT = Sync Gate<R>
(<$E60~+-~2> samples)



@Z_CAPTION = 

@Z_BOXTEXT = Maximum

@Z_BOXTEXT = Minimum

@Z_BOXTEXT = ...

@Z_BOXTEXT = ...

@Z_BOXTEXT = <$ESIGMA>

@Z_BOXTEXT = <$ESIGMA>

@Z_BOXTEXT = Slice Level

@Z_BOXTEXT = Detector

@Z_BOXTEXT = Mark

@Z_BOXTEXT = Space

@Z_BOXTEXT = <$E+>

@Z_BOXTEXT = <$E->

@Z_BOXTEXT = Sample Clock

@Z_BOXTEXT = Survivor Register<R>
(64 samples)

@Z_CAPTION = 

@Z_BOXTEXT = Carrier-<R>
Noise<R>
Classifier

@Z_BOXTEXT = Minimum

@Z_BOXTEXT = Shift Reg

@Z_BOXTEXT = Maximum

@Z_BOXTEXT = Shift Reg

@Z_BOXTEXT = Integrator

@Z_BOXTEXT = Integrator

@Z_BOXTEXT = <$ESIGMA>

@Z_BOXTEXT = Carrier<R>
Gate

@Z_BOXTEXT = Mark

@Z_BOXTEXT = Space

@Z_BOXTEXT = <$E->

@Z_BOXTEXT = Noise

@Z_BOXTEXT = Carrier

@Z_BOXTEXT = <$E+>

@Z_BOXTEXT = ...

@Z_BOXTEXT = ...



@Z_CAPTION = 

@Z_BOXTEXT = Survivor Register<R>
(64 samples)

@Z_BOXTEXT = Viterbi Distance

@Z_BOXTEXT = Format Check

@Z_BOXTEXT = ...

@Z_BOXTEXT = ...

@Z_BOXTEXT = Erasure Gate

@Z_BOXTEXT = To FIFO

@Z_BOXTEXT = Slice Level

@Z_BOXTEXT = Start<R>
Gate

@Z_BOXTEXT = Sample<R>
Counter (60)

@Z_BOXTEXT = Erasure Gate

@Z_BOXTEXT = Character<R>
Decoder

@Z_BOXTEXT = Detector

@Z_BOXTEXT = Sample Clock



@Z_CAPTION = 

@Z_BOXTEXT = a

@Z_BOXTEXT = <$Ealpha>

@Z_BOXTEXT = b

@Z_BOXTEXT = <$Ealpha>

@Z_BOXTEXT = c

@Z_BOXTEXT = a

@Z_BOXTEXT = RQ

@Z_BOXTEXT = b

@Z_BOXTEXT = RQ

@Z_BOXTEXT = c

@Z_BOXTEXT = RQ

@Z_BOXTEXT = <$Ealpha>

@Z_BOXTEXT = RQ

@Z_BOXTEXT = <$Ealpha>

@Z_BOXTEXT = 6

@Z_BOXTEXT = 4

@Z_BOXTEXT = 5

@Z_BOXTEXT = 2

@Z_BOXTEXT = 3

@Z_BOXTEXT = 7

@Z_BOXTEXT = Original Char (7 bits)

@Z_BOXTEXT = 1

@Z_BOXTEXT = Repeat Char (7 bits)

@Z_BOXTEXT = Codewords (14 bits)

@Z_BOXTEXT = Repeat Cycle (5 chars)



@Z_CAPTION = 

@Z_BOXTEXT = 1

@Z_BOXTEXT = Char Correlator

@Z_BOXTEXT = Sync Correlator

@Z_BOXTEXT = Erasure Gate

@Z_BOXTEXT = To FIFO

@Z_BOXTEXT = Bit Clock

@Z_BOXTEXT = Sync<R>
Gate

@Z_BOXTEXT = Bit<R>
Counter

@Z_BOXTEXT = Erasure Gate

@Z_BOXTEXT = Integrator

@Z_BOXTEXT = 2

@Z_BOXTEXT = 3

@Z_BOXTEXT = 4

@Z_BOXTEXT = 5

@Z_BOXTEXT = 6

@Z_BOXTEXT = Char Clock

@Z_BOXTEXT = Shift Register<R>
(6 chars - 42 bits)

@Z_BOXTEXT = Detector

@Z_BOXTEXT = Slice Level



@Z_CAPTION = 

@Z_BOXTEXT = Shift Register<R>
(6 char)

@Z_BOXTEXT = Phase<R>
Increment<R>
Select

@Z_BOXTEXT = VFO

@Z_BOXTEXT = AFSK Output

@Z_BOXTEXT = Space (2395 Hz)

@Z_BOXTEXT = Mark (2125 Hz)

@Z_BOXTEXT = From FIFO

@Z_BOXTEXT = Bit Clock

@Z_BOXTEXT = <$E470.6~mu roman s>

@Z_BOXTEXT = <$E417.5~mu roman s>



@Z_CAPTION = 

@Z_BOXTEXT = Receive

@Z_BOXTEXT = Transmit

@Z_BOXTEXT = FIFO

@Z_BOXTEXT = FIFO

@Z_BOXTEXT = AFSK

@Z_BOXTEXT = AFSK

@Z_BOXTEXT = Out

@Z_BOXTEXT = Receive

@Z_BOXTEXT = Transmit

@Z_BOXTEXT = FIFO

@Z_BOXTEXT = FIFO

@Z_BOXTEXT = AFSK

@Z_BOXTEXT = Out

@Z_BOXTEXT = In

@Z_BOXTEXT = Receive

@Z_BOXTEXT = Transmit

@Z_BOXTEXT = FIFO

@Z_BOXTEXT = FIFO

@Z_BOXTEXT = AFSK

@Z_BOXTEXT = AFSK

@Z_BOXTEXT = Out

@Z_BOXTEXT = Receive

@Z_BOXTEXT = Transmit

@Z_BOXTEXT = FIFO

@Z_BOXTEXT = FIFO

@Z_BOXTEXT = AFSK

@Z_BOXTEXT = Out

@Z_BOXTEXT = In

@Z_BOXTEXT = In

@Z_BOXTEXT = (a) Regenerator Receive

@Z_BOXTEXT = (b) Analog Loopback Transmit

@Z_BOXTEXT = (c) Digital Loopback Transmit

@Z_BOXTEXT = (d) Full Duplex

@Z_CAPTION = 

@Z_CAPTION = 

@Z_CAPTION = 

@Z_CAPTION = 

@Z_CAPTION = 

@QUOTE = <F1P10M>CQ CQ CQ DE WOM WOM WOM<R>
NATIONAL WEATHER SERVICE FORECAST RELAYED BY AT+T STATION WOMAQ<R>
FOLLOWS:<R>
<R>
_PY___AOOT 04:41:10 UTC<R>
NATIONAL WEATHER SERVICE MIAMI FL<R>
1130 PM EDT TUE JUN 27 1995<R>
CARIBBEAN SEA AND SW N ATLC BEYOND 50 NM FROM SHORE.<R>
.CARIBB_AN SYNOPSIS...NO SIGNIFICANT WEATHER FEATURES.<R>
NW CARIBBEAN N OF 15N AND W OF 75W<R>
.TONIGHT...S _F 17N WIND E 15 TO 20 KT. S__S 5 TO 7 FT. N L 17N<R>
_____QRND E 10 TO 15 KT. SEAS 3 TO 5 FT.<R>
.WED...WIND E 15 KT. SEAS TO 5 FT. ISOLATED TSTMS.<R>
.WED NIGHT...WIND E TO SE 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED<R>
TSTMS. SW CARIBBEAN S OF 15N AND W OF 75W.<R>
___TONIGHT....S OF 11N AND W OF 80W WIND VARIAB__ 10 TO 1_ KT.<R>
SEAS 5 FT. ELSEWHERE WIND NE 20 KT. SEA___I FT. WIDELY SCATTERED<R>
TSTMS S OF 13N.<R>
.WED...S OF 11C AND W OF 80W WIND VARIABLE 1___59 15 KT. SEAS 5 FT.<R>
ELSE_HERE WIND E 20 KT. SEAS 8 FT. WIDELY SCATTERED TSTMS.<R>
.WED NIGHT...WIND E TO _E 10 TO 15 KT. SEAS 5 TOV___!5. WIDELY<R>
SCATTERED TSTMS MAINLY S OF 12N.<R>
E CARIBBEAN_ _F _UTW.<R>
.TONIGHT_MMMN OF 15N WIND E<R>
_PD KT. SEAY 5___5. S OF _<R>
15 TO 20 KT. SEAS 5 TO 7 FT.<R>
.WED...WIND E 15 KT. SEAS 5 TO 7 FT. WIDELY SCATTERED TSTMA MAINLY 
N<R>
OF 15N./<R>
#____3 ,8&#5.6___4, 3 10 TO _5 KT. SEAS TO 6 FT. ISOLATED TSTMS.<R>
.OUTLOOK THU THROUGH SUN...LITTLE CHANGE.<R>
SW N ATLC S OF 32N AND W OF 65W<R>
.SYNOPSIS...WEAK HIGH P___ RIDGE FROM 22N 65W TO S FLORIDA __LL<R>
XR__REAT WWD INT_ GULF OF MEXICO AS BIOAD LO PRES AREA NEAR _EPEN 
72W__<R>
DRIFTS SB_M<R>
S.TONIGHT__MMN OF 27N E OF 70W WIND E TO SE 10 KT. S_A___T FT.<R>
ELSEWHERE N OF RIDGE WIND W TO NW 15 KT. SEAS 6 FT. S OF RI_G_ IND<R>
SE 0 KT EXCEPT V_CIABLE W OF 75W. SEES 4 FT. ISOLAT_D TSTMS.<R>
.WED...N OF 25N E OF 70W WIND S TO SE 10 KT. SEAS 5 FT. ELSEWHERE 
N<R>
OF RIDGE WIND W TO NW 10 TO 15 KT. SEAS TO 6 FT. S OF RIDGE WIND E<R>
10 KT. SEAS 4 FT. ISOLATED TSTMS.<R>
.WED NIGHT...N OF 25N AND W OF 77W<R>
WIND VARIAB___ 59 10 KT. SEAS 4<R>
FT. E OF 77W WIND N TO NW 10 KT. SEAS 5 _T. S OF 25N WIND VARIABLE<R>
5 TO 10 KT EXCEPT W OF 75W WIND NE 10 TO 15 KT. SEAS 3 TO 5 FT.<R>
SCATTERED SHOWERS AND ISOLATED TSTMS MAINLY W OF 75W AND N OF 25N.<R>
.OUTLOOK THU THROUGH SUN...HIGH PRES RIDGE WILL RESTABLISH ALONG 22N<R>
AS LO PRES CENTER MOVES SLOWLY INTO N ATLC. N OF RIDGE WIND SW TO 
W<R>
ABOUT 15 KT AND S OF RIDGE E ABOUT 10 KT. SEAS 3 TO 5 FT.

@QUOTE = <F1P10M>NNNN

<F1P10M>-AR-

@Z_CAPTION = 

@QUOTE = <F1P10M>CQ CQ CQ DE WOM WOM WOM<R>
NATIONAL WEATHER SERVICE FORECAST RELAYED BY AT+T STATION________<R>
FOLLOWS:<R>
<R>
06___-_995 04:41:10 UTC<R>
NATIONAL WEATHER SERVICE MIAMI FL<R>
1130 PM EDT TUE JUN 27 1995<R>
CARIBBEAN SEA AN_ SW N ATLC BEYOND 5_ NM FROM SHORE___<R>
._AR__B_RN__YNOPSIS...NO SIGNIFICANT WEATHER FEATURES.<R>
NW CARIBBEAN N OF 15N AND W OF 75W<R>
__MTONIGHT...S OF 17N WIND _ 15 TO 20 KT._ ____5 TO 7 FT._N _F_17N<R>
____R_Q__D E 10_ 59 15 KT. SEAS 3 TO 5 FT_<R>
.WED...WIND E 15 KT. SEAS TO 5 FT. ISOLATED TSTMS.<R>
.WED NIGHT...W_ND E TO SE 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED<R>
TSTMS. SW CARIBBEAN S OF 15N AND W OF 75W.___/_4_59,8&#5.__._ OF 11N 
AND<R>
OF 80W WIND VA_IA_LR 10 TO 15 KT.<R>
SEAS _ FT. ELSEWHERE WIND NE 20 KT. S___QI_ FT. WIDELY SCATTERED<R>
TST_S S OF 13N.<R>
.WED...S OF ____4$__ 2 9! 80W WIND VARIABLE____4_9_15 KT. _EAS 5 FT.<R>
ELSE_HERE WIND E 20 KT. SEAS 8 FT. WIDELY SCATTERED TSTMS.<R>
.WED NIGHT...WIND E TO _E 10 TO 15 KT. SEAS 5_ _____?&!5. WID_ZY__<R>
SCATTERED TSTMS MAINLY S OF 12N.<R>
E CARIBBEAN_ _F _UTW.<R>
.TONIGHT_MM_N___ 15N WIND E__YW_ KT. SEAS_5___. S OF 15__ 28,$ 3<R>
15 TO 20 KT. SEAS 5 TO 7 FT._ <R>
.WED...WIND E 15 KT. SEAS 5 TO 7 FT. WIDELY SCATTERED TST_A__AINLY 
N<R>
OF 15____TM__E_ NIGHT____QG<R>
_D E _QP TO 15 KT. S_AS TO 6 FT. ISOLATED TSTMS.<R>
.OUTLOOK THU THROUGH SUN...LITTLE __A_GE._<R>
__ , -5): 9! 32N AND W OF 65W<R>
.SYNOPSIS...WE_K_HIGH_PR_H_RIDGE FROM 22N 65W TO S FLORIDA RPG___<R>
RO_REAT W_N _NT_ GULF OF MEXICO AS _ROA_ _O PRES AR_A__EAR___R_N<R>
72________<R>
DRIF_S SDTM_<R>
__MITONIGHT_._-_ 9! 27N E OF 70W WIND E TO S___P_KT. SEAR___ FT.<R>
ELSEWHERE N OF RIDGE WIND W TO NW 15 KT. SEAS 6 FT. S OF__I_GE_WI_D<R>
SE _Q_ KT EXC__ _V___BLE W OF 75W. SE_S 4 FT. ISOLAT_D TSTMS.<R>
.WED...__ 9! 25N E OF 70W WIND S TO SE 10 KT. SEAS 5 FT. ELSEWHERE 
N<R>
OF RIDGE WIND W TO NW 10 TO 15 KT. SE_S_TO 6 FT. S OF RIDGE WIND E<R>
10 KT. SEAS 4 FT. ISOLATED TSTMS.__.WED N_G_T_..___9! 25N AND W OF 
_UUW<R>
WIND _AR_________ TO 10 KT. SEAS 4<R>
FT. E OF 77W WIND N TO NW 10 KT. SEAS 5_ _._ 9! 25N WIND VARIABLE<R>
5 TO 10 KT EXCEPT W OF 7_W WIND NE 10 TO 15 KT. SEAS 3 TO 5 FT.<R>
SCATTERED SHOWERS AND ISOLATED TSTMS MAINLY W OF 75W AND N OF 25N.<R>
.OUTLOOK THU THROUGH SUN...HIGH PRES RIDGE WILL RESTABLISH ALONG 22N<R>
AS LO PRES_CENTER MOVES SLOWLY INTO N ATLC. N OF RIDGE WIND SW TO 
W__<R>
ABO_T 15 KT AND S OF RIDGE E ABOUT_10 KT_ SEAS 3 TO 5 FT.

@QUOTE = <F1P10M>NNNN

@QUOTE = <F1P10M>-AR-

@Z_CAPTION =