Elta ADT406 AF/AP User Handbook Manual page 20

Emergency locator transmitter in the cospas / sarsat system
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1 406 MHz satellite transmitter
– Frequency
– transmitter power
– modulation
– transmission recurrence : 50 s,
– transmission duration
2 Associated homing transmitter
– Frequency
– 121.5 MHz transmitter power
– 243 MHz transmitter power
– modulation
– antenna gain
(d)Environment characteristics
– Operating temperatures
– Storage temperatures
Note: Ambient temperature is recommended for ELT storage in order to lower the battery self discharge
rate.
(e)Miscellaneous characteristics
– Automatic activation level in accordance with EUROCAE ED-62 (internal G-switch, see Appendix A
page 13).
Activation direction is selectable (4 possibe directions, see Figure 5),
– color
:
– self-test
:
synchronization and 1s transmission on 121.5 MHz, automation to off position (on the remote control
panel),
– any COSPAS/SARSAT protocol available,
. ELT S/N
. A/C operator designator and S/N
. A/C 24 bits address
. A/C nationality and registration marking (recommended)
. Test (not for operational purposes)
– any country code available,
– can operate in short or long C/S message.
For long message, location data (from on board GPS as exemple) is received from A/C data bus
through an optional interface module, P/N 01N6593(x),
– C/S identification stored in a transferable Activation/Identification Module (AIM) located on the top of
the ELT case to ease maintenance on ELT,
USER'S HANDBOOK
: 406.028 MHz,
: 5 W,
: "L" two-phase,
: 440 or 520 ms.
: 121.5 MHz/243 Mhz or 121.5 MHz (selectable),
: 200 mW,
: 200 mW ,
: AM (3K20A3X type) from, 1600 Hz to 300 Hz,
up to four periods per second,
: > 1 dBi.
: -20°C to +55°C,
: -55°C to +85°C.
orange in conformity with the international distress code,
transmission of one 406.028 MHz burst modulated with inverted frame
Page 18
Oct 11/07

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