B BACKCOURSE
Bandwidth
B-RNAV BAP BARO Baron-
Corrected Altitude BATAP BAZ
BB
BCD
BCRS
Aviation.Weather.Information
Advanced.Weather.Interactive.Processing. System Audio.Warning.Mixer
All Weather Operations All Weather Operations Panel Automated Weather Observation System. A
system.that.gathers.surface.weather.information.
and transmits the information to the pilot via VOR, Comm Freq or telephone lines.
Azimuth:.Distance.in.degrees.measured. clockwise.from.North.
At or Below (Altitude suffix)
An.approach.from.the.end.of.the.runway.opposite. the.front.localizer..Normally.in.this.type.of. approach,.there.is.no.glideslope.available.
The.difference.between.the.highest.and.lowest.
frequency components of a signal.
Basic.Area.Navigation Bank.Angle.Protection Barometric Pressure.altitude-corrected.local.barometric.
pressure.
Type.B.Application.to.Application.Protocol
Back.Azimuth:.Same.concept.as.Backcourse. except,.the.pilot.uses.the.Microwave.Landing. System.(MLS)..An.MLS.BAZ.transmitter.on.the.
ground is required.
Base.Band
Backcourse
Binary.Coded.Decimal..A.coding.system.in.which.

each.digit.from.0.to.9.is.represented.by.a.four.bit.
binary.number.
Back.Course

BCS  Block Check Sequence. BCS is a cyclic code that is.used.as.reference.bits.in.an.error.detection. 
process. 
bCSU  b@ckCHANNEL.SERVER 
BDI  Bearing.Distance.Indicator 
BDMIS  Business.Data.Management.and.Invoicing