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Valid position data
Active navigation database
Available only for the nearest stations in the database
Enabling this option displays the facility identifier and
frequency type for active and standby frequencies.
The unit verifies the displayed frequency against the
database at least once per minute.
Facility
Identifier
Nearest facility identifier
(if available)
Multiple facility indication
(if more than one)
Frequency type
Approach or Departure
indications (if applicable)
Frequency
Type
associated with the frequency.
When flying between airports that
use the same frequency, it may take
up to 2 minutes for look-up
information to change after
crossing the half way point.
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