SAR-DF 517
DV 77513.03 Issue 4 09/2006
Page 3-7
3.3.4. Cospas/Sarsat, analysing the binary continuous signal
Selecting this page automatically activates the active frequency on 406,025 MHz (or the respective
training frequency). Correct reception of the Cospas/Sarsat data signal (112 resp.144 data bits)
displays data as follows:
Fig. 3-7 Display Cospas/Sarsat Analyse (page4)
1
>
CLR
< pushbutton. Erases present displayed massage.
2
>
STORE
< pushbutton. Present displayed massage will be stored. An already existing stored
message will be overwritten. The messages will remain stored after switching off the device.
3
>
REP
< pushbutton. A stored message will be displayed.
4
Frame:
SYNC OK
(normal CospasSarsat signal) or
SLFTEST
(CospasSarsat signal in auto-test
mode). All 24 synchronising bits have been received correctly.
5
Applied CP-SARSAT protocol:
USER (TEST), STANDARD (TEST)
or
NATIONAL (TEST)
6
First part,
complete Hex Message
: complete short-data signal, hexadecimally coded (bit 25...112)
7
Second part of complete hexadecimal message (long part, bit 113...144)
8
Country:
country identification
(numeric code).
9
Beacon 15 hex ident:
transmitter identification
(Fifteen Hexadecimal Character Beacon
Identification) for Identification of a registered transmitter.
10 GPS-data of position
, (data of latitude and longitude), if contained in transmitter signal. Solution
between 15 minutes and 4 seconds of arc.
11
Time:
Timer
displaying time span since last received valid Cospas-sarsat message.
