chan - clea
- chance fluctuation
- change bit
- change dump
- change history
- change mode
- change mode key
- change note
- change over
- change record
- change the frequency
- change-over contact
- change-tune switch
- change-type
- changeable storage
- changeback
- changeback code
- changed over
- changed the frequency
- changeline information
- changeover
- changeover of equipment
- changer
- changetype
- changing of pole connection
- changing over
- changing the frequency
- channel address word
- channel allocation
- channel amplifier
- channel arrangement
- channel associated signaling
- channel associated signalling
- channel bank
- channel board
- channel breakdown
- channel byte
- channel carrying capacity
- channel change
- channel check handler
- channel command word
