
NAV6 Series NAVTEX System User Guide
41
Optional - Active 50 ohm Antenna with External PSU Interface Box
ICS recommend using an
active 50 ohm antenna that
has been specified for
NAVTEX use.
A suitable antenna is the
ICS.905.04 or ICS.905.05
although an equivalent
antenna specified for
operation at 490kHz and
518kHz would be
acceptable.
Note: The active antenna
must be installed with an
external PSU interface to
power the antenna.
The antenna should be connected to ANT+ (antenna coax centre) and ANT GND (antenna
coax screen) on the receiver unit connector.
CONNECTOR PIN
CONNECTION
1
Antenna coax centre connection
2
Antenna coax screen
Alternative - Using a Back Stay as an Antenna
A back stay may be used as an antenna if a suitable 50 ohm matching balun is fitted. ICS
Technical Support may be able to offer advice on this point.
The balun 50 ohm output should be connected to ANT+ (balun coax centre) and ANTGND
(balun coax screen).
CONNECTOR PIN
CONNECTION
1
Antenna coax centre connection
2
Antenna coax screen
Содержание NAV6 V3 Series
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