Wavecom W 4010 User Manual page 28

RTTY signals can be analyzed with
synchronous bit
but some specialized
knowledge is required.
First analyze the baud rate with
"Baud rate check"
that deviations are less than 0.3
Baud. The software makes sure that
F1 SPEED CHECK
F2 SHIFT POLARITY
F3 START-STOP LENGTH
F4 FORWARD SEQUENCE
F4+F3 REVERSE SEQUENCE
This method can
whether a station is transmitting
with asynchronous
not. For a complete
all character bit lengths (F3) and
BAUDOT ITA-2
ASCII ITA-5
SITOR ARQ
SITOR FEC
PACKET RADIO
ARQ-E
ARQ-E3
ARQ-N
ARQ-M2
ARQ-M2-242
ARQ-M4
ARQ-M4-242
DUP-ARQ
POL-ARQ
FEC-A
SI-ARQ
SI-FEC
SWED-ARQ
ARQ6-90
ARQ6-98
AUTOSPEC
SPREAD51
analysis method,
background
and make sure
quickly verify
characters or
verification
45, 50, 75, 100
110, 150, 300
100
100
SHORTWAVE 300
VHF/UHF 1200
48, 64, 72, 86, 96, 192, 288
96, 100, 192
96
96, 200
96
192
192
125
100
96, 144, 192, 300
96
96
100
200
200
68.5
102.6
there is no
stream can be stopped with the "BU-
ZI" key and written down in order
to find certain
with respect to parity, character
distribution and
The signal idle condition can offer
important clues with respect to the
character length that is utilized.
Displays the baud rate
Reversal of shift polarity
Presetting of character lengths from
5 to 9 bits; start-stop errors
result in the underline "_"
character being displayed
go to next operating mode
go to previous operating mode
both shift polarities (F2) must be
attempted. The underline character
_ is used to indicate non-agreement
between the received signal and the
programmed start-stop values.
Page 28
bit-slip. The
hints and clues
repetition, etc.
bit