Back 
  
Telecom Science  Telecom Projects  Telecom discussion forum  Telecom Carriers
Telecom Essays  Telecom research groups  Telecom Newsletter  Telecom Technology
Telecommunications Universities Telecommunications Job Offer

coaxial cable (coax) 
coaxial patch bay 
COBOL 
co-channel interference 
code 
codec 
code character 
code conversion 
coded character set 
coded image 
code-division multiple access (CDMA) 
coded set 
code element 
code-excited linear prediction (CELP) 
code group 
code-independent data communication 
code restriction 
code set 
code-transparent data communication 
code word 
coding 
coding scheme 
codress message 
COG 
coherence area 
coherence degree 
coherence length 
coherence time 
coherent 
coherent bundle 
coherent differential phase-shift keying (CDPSK) 
coherent pulse operation 
coherent radiation 
cold standby 
collective address 
collective routing 
collimation 
collimator 
collinear antenna array 
collision 
color errors 
color keying 
combat-net radio (CNR) 
combinational logic element 
combined communications 
combined distribution frame (CDF) 
combined station 
combiner 
COMINT 
comma-free code 
command 
command and control (C 2 ) 
command and control (C 2 ) system 
command and control warfare (C 2 W) 
command, control and communications (C 3 ) 
command, control, communications, computers, and intelligence (C 4 I) 
command, control, communications, and computer systems (C 4 S) 
command frame 
command menu 
command net 
command protocol data unit 
comm center 
commercial carrier 
commercial refile 
commit transaction 
commonality 
common battery 
common-battery signaling 
common carrier 
common-channel interoffice signaling (CCIS) 
common-channel signaling 
common control 
common control switching arrangement (CCSA) 
common control system 
common equipment 
Common Management Information Protocol (CMIP) 
common management information service (CMIS) 
common-mode interference 
common-mode rejection ratio (CMRR) 
common-mode voltage 
common return 
common return offset 
common user 
common user circuit 
common user network 
communications 
communications blackout 
communications center 
communications channel 
communications common carrier 
communications deception 
communications-electronics (C-E) 
communications intelligence (COMINT) 
communications jamming (COMJAM) 
communications net 
communications net operation 
communications network 
communications processor unit (CPU) 
communications protection 
communications protocol 
communications reliability 
communications satellite 
compressor 
compromise 
compromising emanations 
computer 
computer-aided software engineering 
computer-aided systems engineering 
computer architecture 
computer conferencing 
computer-dependent language 
computer graphics 
computer language 
computer network 
computer network engineering 
computer network operating system (NOS) 
computer-oriented language 
computer peripheral 
computer program 
computer program origin 
computer routine 
computer science 
computer security (COMPUSEC) 
computer system 
computer system fault tolerance 
computer system resilience 
computer systems engineering 
computer word 
computing system 
COMSEC 
COMSEC equipment 
COMSEC material 
concentrator 
concentricity error 
concurrent operation 
conditioned baseband representation 
conditioned circuit 
conditioned diphase modulation 
conditioned loop 
conditioning equipment 
conducted interference 
conduction band 
conductive coupling 
cone of silence 
CONEX 
conference call 
conference operation 
configuration 
configuration control 
configuration management 
confirmation signaling 
confirmation to receive 
conformance test 
congestion 
connecting arrangement 
connection 
connection-in-progress signal 
connectionless data transfer 
connectionless mode transmission 
connectionless transmission 
connection-mode transmission 
connection-oriented data transfer protocol 
connection-oriented mode transmission 
connections per circuit hour (CCH) 
connectivity exchange (CONEX) 
connector 
conservation of radiance 
consolidated local telecommunications service 
consultation hold 
content-addressable storage 
contention 
continuity check 
continuously variable slope delta (CVSD) modulation 
continuous operation 
continuous presence 
continuous tone copy 
continuous wave (cw) 
contouring 
contrast 
contribution 
control ball 
control character 
control communications 
control field 
control function 
controlled access 
controlled area 
controlled not-ready signal 
controlled security mode 
controlled security operation 
controlled space 
controller 
control of electromagnetic radiation 
control operation 
control station 
conversational mode 
conversational service 
convolutional code 
convoy internal communications 
cooperation factor 
coordinated clock 
coordinated time scale 
Coordinated Universal Time (UTC) 
coordination area 
coordination contour 
coordination distance 
copy 
copy-protected 
copy watch 
cord circuit 
cord lamp 
cordless switchboard 

core 
core area 
core-cladding offset 
core diameter 
core dump 
core eccentricity 
core noncircularity 
core storage 
core-to-cladding concentricity 
core-to-cladding eccentricity 
core-to-cladding offset 
corner reflector 
corner reflector antenna 
corrective maintenance 
cosine emission law 
cosite 
cosmic noise 
Costas loop 
Coulomb's law 
counterpoise 
country code 
coupled modes 
coupler 
coupling 
coupling coefficient 
coupling efficiency 
coupling loss 
cover 
coverage 
CPE 
cpi 
cps 
CPU 
CR 
CRC 
critical angle 
critical area 
critical frequency 
critical service 
critical technical load 
critical wavelength 
cross assembler 
cross-band radiotelegraph procedure 
crossbar switch 
cross-connect 
cross-connection 
cross coupling 
crosslink 
cross modulation 
cross-office trunk 
crosspoint 
cross-polarized operation 
cross-site link 
crosstalk (XT) 
crosstalk coupling 
crosstalk coupling loss 
cryptanalysis 
CRYPTO 
cryptochannel 
cryptographic information
communications subsystem 
communications survivability 
communications system 
communications system engineering 
communications system survivability 
communications theory 
communications watch 
communications zone 
community antenna television (CATV) 
community of interest 
community reception (in the broadcasting-satellite service) 
compact 
compact disk read-only memory 
compaction 
companding 
compandor 
comparably efficient interconnection (CEI) 
comparator 
compartmentation 
compatibility 
compatible sideband transmission 
compelled signaling 
competitive access provider (CAP) 
competitive clip 
compile 
compiler 
compiling program 
complementary network service (CNS) 
component 
composite cable 
composited circuit 
composite signaling (CX) 
composite two-tone test signal 
composite video 
compound signal 
compress 
compressed video 
compression 
compression ratio (COMSEC) 
communications security equipment 
communications security material 
communications silence 
communications sink 
communications source 

communications saturation 
communications security

 

cryptographic information
cryptography
crypto key
cryptologic
cryptology