Abbreviations

Table Of Contents

2D	FIMS	ONC
3D	FINE	ONI
3M	FIO	ONR
4GL	FIPS	OOP
4H	FIR	OOPART
4WD	FIRMR	OOPS
A	FIT	OP
A&A	FITS	OPEC
A&M	FIX	OPF
A/D	FL	OPM
A/P	FLACC	OPUS
A/R	FLL	OR
AA	FLOP	ORFEUS
AAA	FLOPS	ORNL
AAAL	FLRA	OROM
AAAS	FM	OS
AAII	FMB	OSB
AAMSI	FMCS	OSC
AAO	FMR	OSCAR
AAP	FMS	OSCRL
AAR	FNC	OSD
AARC	FO	OSDIT
AARN	FOAC	OSF
AARP	FOB	OSHA
AAS	FOC	OSI
AAVSO	FOIA	OSI/RM
AB	FOIMS	OSME
ABA	FOOBAR	OSP
ABBR	FOR	OSPFIGP
ABC	FORCS	OSS
AC	FORD	OSSA
ACAA	FORTRAN	OSSE
ACAWS	FOS	OSTP
ACBL	FOSE	OT
ACC	FOT	OT&LF
ACCS	FOV	OTA
ACD	FPA	OTB
ACE	FPC	OTC
ACF	FPE	OTF
ACHEFT	FPHA	OTH-B
ACK	FPLA	OTR
ACL	FPM	OTS
ACLU	FPO	OTV
ACM	fps	OUTWATS
ACRV	FPU	OV
ACS	FQDN	PA
ACSE	FR	PABX
ACT	FRACTAL	PACCOM
ACTS	FRED	PACX
ACU	FRG	PAD
ACW	FRICC	PAH
AD	FROG	PAL
Ad Astra	FRPG	PAM
AD&D	FRS	PARC
ADAP	FS	PASS
ADB	FSF	PATROL
ADC	FSK	PBM
ADCI	FSLIC	PBS
ADF	FSS	PBX
ADM	FSW	PC
ADP	Ft	PC-DOS
ADPCM	FTAM	PC/AT
ADS	FTC	PCB
ADSR	FTL	PCI
ADT	FTP	PCIE
AE	FTS	PCL
AEA	FUBAR	PCM
AEC	FUSE	PCPC
AEF	FW	PCS
AEGIS	FWD	PCTE
AF	FWHM	PCTS
AFADS	FX	PD
AFATDS	FY	PDAD
AFB	FYI	PDE
AFC	G	PDES
AFCAC	GA	PDF
AFCC	GAAP	PDL
AFGE	GAB	PDN
AFIPS	Gaia	PDP
AFL	GAN	PDQ
AFLCIO	GAO	PDS
AFNOR	GAR	PDT
AFP	GARR	PE
AFS	GAS	PEI
AFSC	GATT	PEP
AFSCME	GAW	PEPE
AFTRA	GB	PERL
AFV	GBIP	PEX
AG	GBT	PFC
AGCT	GC	PG
AGN	GCA	PGA
AHL	GCC	PHA
AHQ	GCD	PHIGS
AI	GCL	PHS
AIAA	GCM	PhysRev Physical Review Journal
AIC	GCR	PI
AID	GCT	PIC
AIDDE	GCVS	PIF
AIDS	GDB	PIT
AIOD	GDP	PIXEL
AIS	GDS	PLA
AIX	GE	PLATO
AJ	GEM	PLC
AK	GEO	PLCC
AKA	GHQ	PLL
AL	GHRS	PLM
ALA	GHz	PLO
ALB	GI	PLSS
ALBM	GID	PM
ALC	GIF	PM/X
ALGOL	GIGO	PMC
ALIT	GIN	PMIRR
ALPO	GISS	PMO
ALS	GKS	PMOS
ALU	GM	PMS
AM	GMBH	PMT
AMA	GMC	PN
AMARC	GMD	PNP
AMBA	GMRT	PO
AMC	GMT	POC
AMD	GNP	POD
AMEX	GNU	POE
AMI	GOES	POGO
AMORC	GOSIP	POM
AMP	GP	POP
AMPAS	GPC	POPS
AMRAAM	GPI	POR
AMROC	GPIB	POS
AMSAT	GPL	POSI
AMU	GPO	POSIX
AMVET	GPS	POTS
ANA	GQ	POTV
ANAC	GRB	POV
ANC	GREP	POW
ANDF	GRO	PP
ANF	GRS	PPB
ANG	GS	PPC
ANI	GSA	PPCS
ANL	GSBCA	PPM
ANOVA	GSC	PPN
ANPA	GSFC	PPP
ANSI	GSI	PPS
ANZUS	GSM	pps
AO	GSTS	PPT
AOA	GT	PQ
AOL	GTE	PR
AOS	GTO	PRC
AP	GTSI	PREPnet
Ap.J	GUI	PRI
APA	GW	PRN
APB	GWEN	PROFS
APDA	GWM	PROM
API	H	PS
APICS	HACD	PSA
APL	HAL	PSC
APO	HAM	PSDN
APP	HAO	PSDS
APPC	Hb	PSE
APR	HBM	PSF
APSE	HBO	PSG
APU	HC	PSI
AQ	HCFA	PSK
AR	HCFC	PSL
ARC	HCL	PSN
ARCNET	HD	PSR
ARO	HDA	PSS
ARP	HDBV	PST
ARPA	HDL	PSTN
ARPANET	HDLC	PT
ARRL	HDTV	PTA
ARV	HE	PTD
AS	HEAO	PTL
ASA	HEDM	PTN
ASAP	HEMP	PTO
ASC	HEO	PTT
ASCAP	HEPnet	PTV
ASCC	HERO	PUC
ASCII	HF	PV
ASDIC	HFE	PVC
ASDSP	HFS	PVO
ASG	HGA	PW
ASHRAE	HHS	PWG
ASIC	HI	PX
ASME	HIIPS	q.v.
ASN	HLC	QAM
ASP	HLL	QC
ASRM	HLV	QD
ASSR	HMC	QDA
AST	HMOS	QED
ASV	HMS	QEF
AT	HMT	QEI
AT&T	HNPA	QET
ATA	HOBIS	QIC
ATACC	HOL	QID
ATB	HOTOL	QLI
ATC	HP	QM
ATDRS	HPGe	QMC
ATF	HPL/T	QMF
ATIS	HQ	QMG
ATLAS	HR	QMS
ATM	HRH	QNS
ATO	HRI	QSO
ATOMS	HS	QWERTY
ATP	HSB	R
ATPCO	HSP	R&B
ATT	HST	R&D
ATTIS	HT	RA
ATV	HTK	RAAF
AU	HUAC	RACE
AUI	HUD	RACEP
AURA	HUPD	RAD
AUS	HUT	RADAR
AUTODIN	HV	RADM
AUTOVON	HVAC	RAF
AV	HW2000	RAM
AVD	HWM	RARDE
AVLIS	Hz	RARE
AW&ST	I/O	RAS
AWACS	IAB	RASC
AWEA	IAEA	RATS
AWG	IANA	RBC
AWK	IATA	RBI
AWOL	IAU	RBOC
AXAF	IAUC	RC
AZ	IBM	RCA
B	IBT	RCAF
B8ZS	IC	RCAS
BA	ICB	RCC
BACH	ICBM	RCMP
BAFO	ICE	RCS
BARRNet	ICI	RD
BASIC	ICJ	RDA
BATSE	ICL	RDBMS
BB	ICMP	RDF
BBA	ICP	REA
BBB	ICRC	RECON
BBC	ID	REM
BBL	IDA	REO
BBN	IDDD	REXX
BBXRT	IDE	RF
BC	IDF	RFC
BC/BS	IDL	RFD
BCD	IDV	RFI
BCDIC	IE	RFP
BCE	IEC	RFQ
BCNU	IEE	RFS
BCP	IEEE	RGB
BCPL	IETF	RGP
BCS	IF	RH
BD	IFB	RHC
BD&D	IFC	RHS
BDF	IFF	RI
BDT	IFLA	RIACS
BE	IFR	RIAS
BEF	IGES	RIF
BELCORE	IGM	RILM
BEM	IGY	RIP
BENELUX	IHP	RIPE
BER	IHS	RISC
BERT	IIA	RITA
BEST	IIE	RJE
BF	IIHF	RLC
BFA	IIL	RLG
BFD	ILO	RLIN
BH	ILS	RLL
BHP	ILV	RMA
BICS	IMF	RMATS
BID	IMHO	RMS
BIMA	IMO	RN
BIOS	IMP	RNA
BIS	IMSL	RNGC
BISDN	IN	RNZAF
BiSync	INADS	ROFF
Bit	INRA	ROG
BITNET	INRIA	ROM
BLAST	INS	ROSAT
BLERT	INSTITUTE	ROSE
BLF	INTAP	ROTC
BLT	INWATS	ROTS
BM	IO	ROYGBIV
BMA	IOC	RPC
BMEWS	IOD	RPG
BMO	IOOF	RPI
BMOC	IOTA	RPM
BMR	IOU	RPN
BNC	IP	RPO
BNF	IPC	RPS
BO	IPE	RPV
BOC	IPMS	RQ
BOD	IPS	RR
BOF	IPSE	RRO
BOM	IQ	RS
BOOTP	IR	RSCS
BOQ	IRA	RSFSR
BOS	IRAF	RSN
BOSIX	IRAS	RSU
BP	IRBM	RSV
BPI	IRDS	RSVP
BPL	IRE	RSWC
BPOE	IRM	RT
BPS	IRMS	RTA
BR	IRS	RTAC
BRA	IRTF	RTF
BRI	IS	RTFM
BRIEF	ISA	RTG
BRL	ISAM	RTLS
BRS	ISAS	RTR
BS	ISBD	RTS
BSA	ISC	RTTY
BSC	ISCH	RU
BSc	ISDN	RVD
BSD	ISDT	RW
BSN	ISEE	RX
BSS	ISF	Ry
BSTJ	ISFUG	S
BT	ISI	S&C
BTAM	ISM	S/C
BThU	ISO	SA
BTL	ISODE	SAA
BTO	ISOO	SAC
BTU	ISPM	SADD
BTW	ISR	SAFENET
BU	ISRG	SAM
BUF	ISV	SAMA
BV	ISY	SAMPEX
BWI	IT	SAMTO
BX	ITC	SAO
C	ITS	SAP
C&S	ITT	SAR
C&T	ITU	SARA
C/O	ITUSA	SAREX
CA	IUE	SARTS
CAB	IUS	SAS
CACM	IUV	SASE
CAD	IXC	SASI
CAE	IXI	SAT
CAI	JACM	SAW
CAIS	JANET	SBA
CALS	JBS	SC
CAM	JC	SCA
CAMA	JCA	SCAD
CAMP	JCAC	SCADC
CAP	JCAE	SCAME
CAR	JCEE	SCAMP
CARE	JCET	SCAN
CARP	JCS	SCC
CASE	JD	SCCS
CASSIS	JDS	SCE
CAT	JEM	SCI
CATIS	JES	SCIFI
CATV	JET	SCO
CAVU	JFK	SCOOPS
CB	JFMIP	SCOTS
CBC	JGR	SCSI
CBD	JI	SCT
CBEMA	JIC	SCUBA
CBR	JILA	SCUD
CBS	JIM	SD
CBW	JINTACCS	SDB
CC	JIS	SDI
CCA	JISC	SDIO
CCAFS	JIT	SDLC
CCC	JMS	SDM
CCCCM	JNT	SDN
CCCI	JO	SDO
CCD	JOVE	SDSC
CCDS	JOVIAL	SDV
CCF	JPL	SE
CCI	JRC	SEATO
CCIP	JSC	SEC
CCIRN	JSD	SECNAV
CCIS	JSRC	SED
CCITT	JTIDS	SEI
CCR	JV	SEL
CCRI	JvNC	SEM
CCRP	JvNCnet	SEST
CCS	K	SETI
CCS7	K&R	SF
CCSA	K9	SFRPG
CCTA	KAIST	SG
CCTV	KAO	SGML
CD	KB	SHAPE
CD-ROM	KC	SHAR
CDA	KD	SHCD
CDC	KDCI	SHF
CDEV	KERMIT	SHRPG
CDIAC	KET	SI
CDO	KHz	SIAM
CDP	KI	SID
CDR	KIA	SIG
CDSF	KIAS	SIGCAT
CDT	Km	SIMD
CDU	KO	SIMM
CE	KP	SINE
CEA	KPNO	SIPS
CEC	KPO	SIR
CED	KQC	SIRTF
CELSS	KS	SIS
CENS	KSC	SISCOM
CENTO	KSU	SITA
CEO	KTB	SJ
CERFnet	KTS	Skyhook
CERN	KTU	SL
CERT	KWIC	SLA
CEVI	KY	SLAC
CF	L1	SLAN
CFA	L2	SLAR
CFC	L3	SLBM
CFD	L4	SLC
CFHT	L5	SLDC
CFI	LA	SLIP
CFL	LADAR	SLP
CFO	LAM	SLS
CG	LAMA	SM
CG&E	LAN	SMA
CGA	LANL	SMC
CGCT	LAPB	SMD
CGE	LAPD	SMDR
CH	LAR	SMDS
CHA	LaRC	SME
CHAP	LASER	SMEGMA
CHARA	LAT	SMERSH
CHI	LATA	SMEX
CHOTS	LAX	SMILS
CHP	LB	SMM
CI	LBHS	SMTP
CIA	LBL	SMU
CIC	LBS	SN
CICA	LC	SNA
CICS	LCD	SNADS
CID	LCDR	SNAFU
CIDIN	LCL	SNAP
CIM	LCM	SNCF
CIO	LCS	SNF
CIRRIS	LCT	SNMP
CISC	LD	SNOBOL
Cislunar	LDC	SNPA
CIT	LDEF	SNR
CLASP	LDF	SNU
CLASS	LDL	SO
CLI	LDX	SOAP
CLID	LEAP	SOFIA
CLNP	LEC	SOH
CLNS	LED	SOHIO
CLR	LEM	SOHO
CLRC	LEO	SOL
CLU	LEP	SONAR
CLUT	LeRC	SONET
CM	LEST	SOP
CM	LF	SOS
CMC	LFSA	SP
CMD	LGA	SPA
CMIP	LGM	SPAG
CMIS	LH	SPAN
CML	LHC	SPAR
CMMU	LHD	SPARC
CMOS	LHS	SPAWAR
CMOT	LI	SPC
CMRR	LIFIA	SPCA
CMS	LIFO	SPCC
CMSgt	LINC	SPDM
CMU	LISA	SPEC
CMYK	LISP	SPITBOL
CN	LIU	SPNI
CN/A	LL	SPOT
CNI	LLB	SPS
CNN	LLD	SPUR
CNO	LLN	SQIID
CNR	LLNL	SQL
CNRI	LLO	SQUID
CNRS	LLOX	SRAM
CNS	LLP	SRB
CNSR	LM	SRG
CO	LMC	SRI
COB	LMOS	SRM
COBE	LN2	SRO
COBOL	LNG	SS7
COC	LOA	SSA
COCOT	LOFT	SSB
COD	LOOPS	SSC
CODEC	LOP	SSE
COER	LOSF	SSF
COLA	LOTS	SSFF
COM	LOX	SSG
COMAS	LP	SSI
COMM	LPC	SSME
COMPACT	LPDA	SSPF
COMPTEL	LPF	SSPS
COMSAT	LPG	SSR
CONACYT	LPL	SSRMS
CONS	LPN	SST
CORE	LPP	SSTO
CORN	LPR	SSTV
COS	LPT	SSW
COSINE	LPV	ST
COSMIC	LRB	STARS
COSMOS	LRBM	STD
COSTAR	LRC	STI
COT	LRU	STILO
CP	LRV	STIS
CPA	LS	STL
CPE	LSAP	STN
CPFF	LSB	STOL
CPI	LSC	STP
CPL	LSD	STRPG
CPM	LSI	STS
CPO	LSP	STScI
CPR	LSR	STV
CPS	LSS	SUM
CPSR	LSSD	SUN
CPT	LT	SUNOCO
CPU	LTC	SUNY
CPW	LTJG	SURAnet
CQ	LTL	SVID
CR	LTP	SW
CRA	LUG	SWAS
CRAF	LUT	SWBT
CRAM	LWM	SWF
CRC	LWT	SWIFT
CREG	LZ	SWS
CREN	M	SXS
CRRES	m	T
CRT	MA	T&T
CRTC	MAAP	T1
CS	MAC	T3
CSA	MACSYMA	TA
CSAB	MAD	TAC
CSACS	MADD	TACACS
CSC	MAG	TACCS
CSDC	MAN	TAE
CSF	MAP	TAL
CSI	MAP/TOP	TANSTAAFL
CSIS	MARBI	TAR
CSL	MARC	TASI
CSM	MARS	TAU
CSMA	MASC	TB
CSMA/CA	MASER	TBA
CSMA/CD	MASH	TBD
CSNET	MAST	TC
CSO	MAT-CALS	TCA
CSOC	MAU	TCP
CSP	MB	TCP/IP
CSR	MBA	TCS
CSRG	MBTA	TCSEC
CSRS	MC	TCT
CSS	MCA	TD
CST	MCAE	TDCC
CSU	MCC	TDE
CT	MCP	TDI
CTC	MCP/AS	TDM
CTD	MCPO	TDR
CTIO	MCSV	TDRS
CTNE	MD	TDRSS
CTS	MDAS	TDY
CTV	MDC	TECO
CU	MDE	TEFLON
CUA	MDF	TES
CUL	MDRE	TFP
CV	MDT	TFS
CW	ME	TFT
CWO	MECO	TG
CWRU	MEd	TGV
CXI	MERP	THIEF
CY	MeV	THOR
CYO	MF	TI
CZ	MFA	TIA
D	MFJ	TIC
D&D	MFLOPS	TID
D/A	MFM	TIFF
D/F	MFS	TIP
DA	MG	TIS
DA/C	MGH	TISN
DA/M	MGM	TKO
DAC	MHD	TL
DACCS	MHS	TLA
DACS	MHz	TLC
DAD	MI	TLI
DAG	MIA	TM
DAL	MIB	TMA
DAP	MIDI	TMAC
DAR	MIFASS	TMIS
DARE	MILNET	TMO
DARPA	MIM	TMP
DASD	MIMD	TMRC
DAT	MINCE	TN
DATA	MIPS	TNC
DAV	Mir	TNF
DB	MIRV	TNP
db	MIS	TNT
dba	MIT	TO
DBF	ML	TODS
DBME	mL	TOMS
dbms	MLA	TOOIS
DBRAD	MLD	TOP
DC	MLL	TOPLAS
DCA	MLS	TOPS
DCC	MLV	TOPSMP
DCCO	MM	TORES
DCD	mm	TOS
DCE	MMES	TOW
DCL	MMFS	TOY
DCP	MMH	TP
DCTS	MMM	TP4
DD	MMT	TPC
DDC	MMU	TPI
DDCU	MMW	TPO
DDD	MN	TPP
DDL	MNA	TPS
DDN	MNP	TR
DDP	MNRAS	TRG
DDS	MO	TROFF
DDT	MOC	TRUSIX
DE	MOD	TRW
DEA	MOL	TS
DEAR	MOLA	TSAP
DEC	MOMA	TSD
DECUS	MOMV	TSP
DES	MOR	TSR
DEW	MOS	TSS
DF	MOSFET	TSTO
DFC	MOTAS	TTFN
DFD	MOTIS	TTL
DFE	MOTOS	TTMA
DFM	MOTSS	TTU
DFN	MOTV	TTY
DFRF	MOU	TUNIS
DFS	MOUSE	TV
DFW	MP	TVA
DG	MPC	TW
DGSC	MPE	TWA
DHHS	MPG	TWB
DHSS	MPH	TWIMC
DIA	MPP	TWT
DIAD	MPR	TWX
DIAL	MPV	TX
DIAS	MPW	Tx
DID	MR	U
DIF	MRI	u
DIN	MRP	UA
DIRE	MRSR	UAR
DIS	MRSRM	UARS
DISA	MS	UART
DISOSS	MS-DOS	UBA
DIY	MSB	UBC
DJ	MSC	UBM
DLA	MSCP	UCAR
DLI	MSD	UCB
DLL	MSE	UCD
DLO	MSFC	UCI
DM	MSG	UCL
DMA	MSH	UCLA
DMD	MSL	UCR
DME	MSPCA	UCSB
DMF	MSPE	UCSC
DMOS	MSRP	UCSD
DMSP	MSS	UCSF
DMV	MST	UDB
DMZ	MT	UDMH
DNA	MTA	UDP
DNCRI	MTBF	UEC
DNHR	MTC	UFO
DNIC	MTR	UGC
DNIS	MTSO	UH
DNL	MTTF	UHF
DNR	MTTR	UID
DNS	MTU	UIMS
DOA	MTV	UIT
DOB	MUF	UIUC
DOC	MULTICS	UK
DOD	MUMPS	UKST
DOE	MUNG	UL
DOHC	MUX	ULANA
DOMAIN	MVA	UMOC
DOS	MVS	UMT
DOT	MX	UN
DOT&E	N	UNESCO
DOV	NA	UNICEF
DOY	NAACP	UNICS
DP	NAAS	UNIX
DPA	NAB	UNMA
DPANS	NABISCO	UNO
DPI	NACCIRN	UP
DPS	NACS	UPC
DQ	NAD	UPI
DQDB	NADGE	UPS
DQL	NAG	UR
DR	NAGE	URI
DRAM	NAK	US
DRD	NAM	USA
DRE	NANP	USAF
DRG	NAPAP	USAFA
DRI	NAR	USAN
DS	NARDAC	USB
DSA	NAS	USC
DSE	NASA	USCG
DSEE	NASDA	USDA
DSM	NASM	USES
DSO	NASP	USFL
DSP	NATO	USGS
DSRI	NAVDAC	USIA
DSS	NAVSWC	USM
DST	NB	USMC
DSTN	NBA	USMP
DSU	NBC	USN
DT	NBFM	USO
DTE	NBO	USP
DTF	NBS	USPS
DTMF	NBVM	USR
DTP	NC	USS
DTR	NCA	USSR
DUI	NCC	USSS
DUT	NCDC	USW
DV	NCE	UT
DVM	NCGA	UTC
DWAPS	NCI	UTnet
DWI	NCIC	UTP
DWIM	NCO	UUCP
DX	NCP	UUG
DXT	NCR	UV
E	NCS	UVS
E&EO	NCSA	UW
E&M	NCSC	V&H
E-MAIL	NCTL	V&V
e.g.	NCV	VA
EADASS	ND	VAB
EAFB	NDA	VAFB
EAN	NDDL	VAN
EARN	NDE	VANS
EAS	NDEA	VAR
EASI	NDL	VASI
EBCDIC	NDP	VAT
EC	NDSL	VAX
ECAFE	NDT	VAXBI
ECASS	NDV	VC
ECC	NE	Vcc
ECCM	NEAR	VCM
ECDO	NEARnet	VCO
ECG	NEB	VCR
ECL	NEC	VCU
ECLSS	NEI	VD
ECM	NES	VDFM
ECMA	NESC	VDI
ECO	NET	VDM
ECPA	NEWS	VDT
ECS	NEXRAD	VEEGA
ECT	NF	VF
ECV	NFC	VFO
ED&D	NFFE	VFR
EDGAR	NFL	VFW
EDI	NFS	VG
EDIF	NG	VGA
EDO	NGC	Vgg
EDP	NH	VHDL
EDS	NHI	VHF
EDT	NHL	VHS
EDTA	NHLBI	VHSIC
EDTCC	NIC	VI
EE	NICMOS	VIABLE
EEC	NIFTP	VILE
EEG	NIH	VINE
EEL	NIM	VIP
EEPROM	NIMH	VISTA
EFF	NIMS	VITA
EGA	NIR	VJ
EGP	NIS	VL
EGRET	NISO	VLA
EHF	NIST	VLBA
EIA	NJ	VLBI
EINE	NJB	VLF
EISA	NL	VLIW
EISS	NLM	VLSI
EKG	NLP	VLT
EL	NLRB	VM
ELF	NLS	VM/CMS
ELO	NM	VMM
ELP	NMOS	VMOS
ELV	NMR	VMR
EM	NMS	VMS
EMA	NNE	VOA
EMACS	NNTP	VOIR
EMF	NNW	VOIS
EMI	NNX	VOQ
EMP	NOA	VPI&SU
EMPRESS	NOAA	VRC
EMR	NOAO	VRM
EMS	NOC	VSAT
EMT	NORAD	VSX
EMU	NORM	VTAM
ENIAC	NORML	VTOC
ENS	NOS	VTOL
EO	NOSC	VTR
EOF	NOTIS	VUP
EOM	NOW	VVSS
EOS	NOx	W
EOWG	NP	WA
EP	NPA	WAC
EPA	NPC	WAIS
EPOS	NPL	WARC
EPRI	NPN	WATS
EPROM	NPR	WB
EPS	NQS	WBC
EPT	NRA	WC
EQ	NRAO	WCTU
ER	NRC	WD
ERA	NRE	WECo
ERD	NREN	WFPC
ERE	NRL	WFPCII
ERT	NRO	WG
ES	NRZ	WH
ESA	NRZI	WHBL
ESAC	NS	WHCA
ESDI	NSA	WHO
ESE	NSAP	WI
ESF	NSC	WIMP
ESM	NSE	WIPP
ESnet	NSF	WIS
ESO	NSS	WITS
ESP	NSSDC	WIYN
ESPS	NST	WMSCR
ESS	NSTS	WOM
ESSEX	NSW	WOP
EST	NSWC	WOPR
ET	NT	WORM
ET/ACC	NTEU	WOW
ETA	NTIS	WP
ETC	NTN	WPI
ETD	NTP	WSI
ETFD	NTSB	WSMR
ETH	NTSC	WSW
ETLA	NTT	WTR
ETO	NU	WU
ETR	NURBS	WUPPE
ETS	NUSC	WV
ETV	NV	WW
EUUG	NW	WWI
EUV	NWNET	WWII
EUVE	NWS	WWMCCS
EVA	NWT	WY
EVX	NXX	WYSIWIS
EW	NY	WYSIWYG
EWOS	NYC	XCF
FA	NYNEX	XD
FAA	NYPD	XDR
FACD	NYSE	XFER
FAO	NYSERNet	XINU
FAQ	NZ	XL
FAR	NZUSUGI	XMM
FAS	OA	XMTR
FASST	OAO	XNS
FAST	OAS	XO
FAT	OATS	XOR
FAX	OBE	XPORT
FB	OBS	XSECT
FBI	OC	XTAL
FCC	OCDM	XUI
FCCSET	OCI	XUV
FCO	OCLC	YA
FCS	OCO	YACC
FDA	OCR	YB
FDDI	OCS	YMCA
FDHD	OCST	YMHA
FDIC	OD	YOB
FDM	ODI	YP
FDR	ODISS	YRS
FE	ODT	YSO
FEA	OE	YST
FEDSIM	OED	YT
FEMA	OEM	YTD
FEMF	OEO	YWCA
FEPC	OES	YWHA
FEPG	OEXP	Z
FERS	OF	ZB
FET	OFM	ZETA
FFA	OFS	ZGS
FFT	OG	ZI
FG-A	OH	ZIF
FG-B	OIRA	ZIP
FG-D	OIU	ZK
FGS	OJT	ZMRI
FHA	OLTP	ZPG
FIB	OMB	ZPRSN
FICA	OMD	ZST
FIDO	OMS	ZT
FIFO	OMV	ZWEI
FILO	ON