Fieldata

FIELDATA (also written as Fieldata) was a pioneering computer project run by the US Army Signal Corps in the late 1950s that intended to create a single standard (as defined in MIL-STD-188A/B/C^[1]^[2]^[3]^[4]) for collecting and distributing battlefield information. In this respect it could be thought of as a generalization of the US Air Force's SAGE system that was being created at about the same time.

Unlike SAGE, FIELDATA was intended to be much larger in scope, allowing information to be gathered from any number of sources and forms. Much of the FIELDATA system was the specifications for the format the data would take, leading to a character set that would be a huge influence on ASCII a few years later.^[1]^[5] FIELDATA also specified the message formats and even the electrical standards for connecting FIELDATA-standard machines together.

Another part of the FIELDATA project was the design and construction of computers at several different scales, from data-input terminals at one end, to theatre-wide data processing centers at the other. Several FIELDATA-standard computers were built during the lifetime of the project, including the transportable MOBIDIC from Sylvania, and the BASICPAC and LOGICPAC from Philco. Another system, ARTOC, was intended to provide graphical output (in the form of photographic slides), but was never completed.

Because FIELDATA did not specify codes for interconnection and data transmission control, different systems (like "STANDARD FORM", "COMLOGNET Common language code", "SACCOMNET (465L) Control Code"^[6]^[5]) used different control functions. Intercommunication between them was difficult.^[1]

FIELDATA is the original character set used internally in UNIVAC computers of the 1100 series, represented by the sixth of the 36-bit word of that computer. The direct successor to the UNIVAC 1100 is the Unisys 2200 series computers, which use FIELDATA to this day (although ASCII is now also common with each character encoded in 1/4 of a word, or 9 bits). Because some of the FIELDATA characters are not represented in ASCII, the Unisys 2200 uses '^', '"' and '_' characters for codes 004_oct, 076_oct and 077_oct respectively.

The FIELDATA project ran from 1956 until it was stopped during a reorganization in 1962.

FIELDATA characters

Tag Bit (1)	Indicator Bits (2)	Detail Bits (4)	Binary Bits (1+6)	Decimal	Octal	Glyph	Name
0	00	0000	0:000000	0	000		Blank / Idle (IDL)
0	00	0001	0:000001	1	001		Control Upper Case (CUC)
0	00	0010	0:000010	2	002		Control Lower Case (CLC)
0	00	0011	0:000011	3	003		Control Tab (CHT)
0	00	0100	0:000100	4	004		Control Carriage Return (CCR)
0	00	0101	0:000101	5	005		Control Space (CSP)
0	00	0110	0:000110	6	006	a
0	00	0111	0:000111	7	007	b
0	00	1000	0:001000	8	010	c
0	00	1001	0:001001	9	011	d
0	00	1010	0:001010	10	012	e
0	00	1011	0:001011	11	013	f
0	00	1100	0:001100	12	014	g
0	00	1101	0:001101	13	015	h
0	00	1110	0:001110	14	016	i
0	00	1111	0:001111	15	017	j
0	01	0000	0:010000	16	020	k
0	01	0001	0:010001	17	021	l
0	01	0010	0:010010	18	022	m
0	01	0011	0:010011	19	023	n
0	01	0100	0:010100	20	024	o
0	01	0101	0:010101	21	025	p
0	01	0110	0:010110	22	026	q
0	01	0111	0:010111	23	027	r
0	01	1000	0:011000	24	030	s
0	01	1001	0:011001	25	031	t
0	01	1010	0:011010	26	032	u
0	01	1011	0:011011	27	033	v
0	01	1100	0:011100	28	034	w
0	01	1101	0:011101	29	035	x
0	01	1110	0:011110	30	036	y
0	01	1111	0:011111	31	037	z
0	10	0000	0:100000	32	040		Dial 0 (D0)
0	10	0001	0:100001	33	041		Dial 1 (D1)
0	10	0010	0:100010	34	042		Dial 2 (D2)
0	10	0011	0:100011	35	043		Dial 3 (D3)
0	10	0100	0:100100	36	044		Dial 4 (D4)
0	10	0101	0:100101	37	045		Dial 5 (D5)
0	10	0110	0:100110	38	046		Dial 6 (D6)
0	10	0111	0:100111	39	047		Dial 7 (D7)
0	10	1000	0:101000	40	050		Dial 8 (D8)
0	10	1001	0:101001	41	051		Dial 9 (D9)
0	10	1010	0:101010	42	052		Start of Control Block (SCB)
0	10	1011	0:101011	43	053		Start of Block (SBK)
0	10	1100	0:101100	44	054		Spare
0	10	1101	0:101101	45	055		Spare
0	10	1110	0:101110	46	056		Spare
0	10	1111	0:101111	47	057		Spare
0	11	0000	0:110000	48	060		Ready to Transmit (RTT)
0	11	0001	0:110001	49	061		Ready to Receive (RTR)
0	11	0010	0:110010	50	062		Not Ready to Receive (NRR)
0	11	0011	0:110011	51	063		End of Blockette (EBE)
0	11	0100	0:110100	52	064		End of Block (EBK)
0	11	0101	0:110101	53	065		End of File (EOF)
0	11	0110	0:110110	54	066		End of Control Block (ECB)
0	11	0111	0:110111	55	067		Acknowledge Receipt (ACK)
0	11	1000	0:111000	56	070		Repeat Block (RPT)
0	11	1001	0:111001	57	071		Spare
0	11	1010	0:111010	58	072		Interpret Sign (INS)
0	11	1011	0:111011	59	073		Non-Interpret Sign (NIS)
0	11	1100	0:111100	60	074		Control Word Follows (CWF)
0	11	1101	0:111101	61	075		S.A.C. (SAC)
0	11	1110	0:111110	62	076		Special Character (SPC)
0	11	1111	0:111111	63	077		Delete (DEL)
1	00	0000	1:000000	64	100	@	Master Space (MS)
1	00	0001	1:000001	65	101	[	Upper Case (UC)
1	00	0010	1:000010	66	102	]	Lower Case (LC)
1	00	0011	1:000011	67	103	#
1	00	0100	1:000100	68	104	Δ	Delta
1	00	0101	1:000101	69	105		Blank / Space (SP)
1	00	0110	1:000110	70	106	A
1	00	0111	1:000111	71	107	B
1	00	1000	1:001000	72	110	C
1	00	1001	1:001001	73	111	D
1	00	1010	1:001010	74	112	E
1	00	1011	1:001011	75	113	F
1	00	1100	1:001100	76	114	G
1	00	1101	1:001101	77	115	H
1	00	1110	1:001110	78	116	I
1	00	1111	1:001111	79	117	J
1	01	0000	1:010000	80	120	K
1	01	0001	1:010001	81	121	L
1	01	0010	1:010010	82	122	M
1	01	0011	1:010011	83	123	N
1	01	0100	1:010100	84	124	O
1	01	0101	1:010101	85	125	P
1	01	0110	1:010110	86	126	Q
1	01	0111	1:010111	87	127	R
1	01	1000	1:011000	88	130	S
1	01	1001	1:011001	89	131	T
1	01	1010	1:011010	90	132	U
1	01	1011	1:011011	91	133	V
1	01	1100	1:011100	92	134	W
1	01	1101	1:011101	93	135	X
1	01	1110	1:011110	94	136	Y
1	01	1111	1:011111	95	137	Z
1	10	0000	1:100000	96	140	)
1	10	0001	1:100001	97	141	-
1	10	0010	1:100010	98	142	+
1	10	0011	1:100011	99	143	<
1	10	0100	1:100100	100	144	=
1	10	0101	1:100101	101	145	>
1	10	0110	1:100110	102	146	&
1	10	0111	1:100111	103	147	$
1	10	1000	1:101000	104	150	*
1	10	1001	1:101001	105	151	(
1	10	1010	1:101010	106	152	%
1	10	1011	1:101011	107	153	:
1	10	1100	1:101100	108	154	?
1	10	1101	1:101101	109	155	!
1	10	1110	1:101110	110	156	,
1	10	1111	1:101111	111	157	\
1	11	0000	1:110000	112	160	0
1	11	0001	1:110001	113	161	1
1	11	0010	1:110010	114	162	2
1	11	0011	1:110011	115	163	3
1	11	0100	1:110100	116	164	4
1	11	0101	1:110101	117	165	5
1	11	0110	1:110110	118	166	6
1	11	0111	1:110111	119	167	7
1	11	1000	1:111000	120	170	8
1	11	1001	1:111001	121	171	9
1	11	1010	1:111010	122	172	'
1	11	1011	1:111011	123	173	;
1	11	1100	1:111100	124	174	/
1	11	1101	1:111101	125	175	.
1	11	1110	1:111110	126	176	⌑	Lozenge
1	11	1111	1:111111	127	177	≠	Not Equal

References

1 2 3 Mackenzie, Charles E. (1980). Coded Character Sets, History and Development. The Systems Programming Series (1 ed.). Addison-Wesley Publishing Company, Inc. pp. 61, 64, 86. ISBN 0-201-14460-3. LCCN 77-90165. ISBN 978-0-201-14460-4. Retrieved 2016-05-22.
↑ Military Communication System Technical Standard, MIL-STD-188A, 1958-04-25
↑ Military Communication System Technical Standard, MIL-STD-188B, 1964-02-24
↑ Military Communication System Technical Standard, MIL-STD-188C, 1969-11-24
1 2 Jennings, Thomas Daniel (2016-04-20) [1999]. "An annotated history of some character codes or ASCII: American Standard Code for Information Infiltration". World Power Systems (WPS). Archived from the original on 2016-05-22. Retrieved 2016-05-22.
↑ International Telephone & Telegraph Corporation (ITT) (1968). Reference Data for Radio Engineers (5 ed.). Howard W. Sams and Co. pp. Appendix. ISBN 0-672-20678-1. Retrieved 2016-05-23.

Leubbert, William F. (1960) [1959-12-01/03 (International Workshop on Managing Requirements Knowledge)]. Written at U.S. Army Signal Research and Development Laboratory, Fort Monmouth, New Jersey, USA. "Data Transmission Equipment Concepts for FIELDATA" (PDF). 1959 Proceedings of the Western Joint Computer Conference (WJCC). Boston, USA: American Federation of Information Processing Societies (AFIPS): 189–196. doi:10.1145/1457838.1457872. doi:10.1109/AFIPS.1959.27. Archived (PDF) from the original on 2016-05-23. Retrieved 2016-05-23.
Leubbert, William F. (September 1960). "Data Processing as a Tool for Generalizing Communications Systems". Transactions of the American Institute of Electrical Engineers (IEEE), Part I: Communication and Electronics. 79 (4): 431–436. doi:10.1109/TCE.1960.6367290. ISSN 0097-2452. Retrieved 2012-12-10.
Fleming, George; James, Nathan L. (2002-12-17). "Univac Fieldata Codes". 1.0. Greenbelt, USA: National Space Science Data Center (NSSDC), NASA Goddard Space Flight Center. Archived from the original on 2016-05-24. Retrieved 2016-05-24.
Walker, John (1996-08-06). "UNIVAC 1100 Series FIELDATA Code". UNIVAC Memories. Archived from the original on 2016-05-22. Retrieved 2016-05-22.
Haralambous, Yannis (September 2007). Fonts & Encodings. Translated by Horne, P. Scott (1st ed.). Sebastopol, California, USA: O'Reilly Media, Inc. p. 29. ISBN 978-0-596-10242-5. ISBN 0-596-10242-9.

Character encodings

Character sets

Early telecommunications	ASCII ISO/IEC 646 ISO/IEC 6937 T.61 BCDIC Baudot code Morse code (Telegraph code Wabun code) Special telegraphy codes: Non-Latin, Chinese, Cyrillic

ISO/IEC 8859	-1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16

Bibliographic use	ANSEL ISO 5426 / 5426-2 / 5427 / 5428 / 6438 / 6861 / 6862 / 10585 / 10586 / 10754 / 11822 MARC-8

National standards	ArmSCII CNS 11643 GOST 10859 GB 18030 HKSCS ISCII JIS X 0201 JIS X 0208 JIS X 0212 JIS X 0213 KOI-7 KPS 9566 KS X 1001 PASCII SI 960 TIS-620 TSCII VISCII YUSCII

EUC	CN JP KR TW

ISO/IEC 2022	CN JP KR CCCII

MacOS code pages ("scripts")	Arabic Mac OS Celtic CentEuro ChineseSimp / EUC-CN ChineseTrad / Big5 Croatian Cyrillic Devanagari Dingbats Farsi Gaelic Greek Gujarati Gurmukhi Hebrew Iceland Japanese / ShiftJIS Korean / EUC-KR Roman Romanian Symbol Thai / TIS-620 Turkish Ukrainian

DOS code pages	100 111 112 113 151 161 162 163 164 165 220 300 301 437 449 620 667 668 708 709 710 711 720 737 770 771 772 773 774 775 776 777 778 790 808 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 872 874 876 877 878 881 882 883 884 885 891 895 897 898 899 900 903 904 906 907 909 910 911 925 926 927 928 929 932 934 936 938 941 942 943 944 946 947 948 949 950/1370 951 966 991 1004 1034 1039 1040 1041 1042 1043 1044 1046 1086 1088 1090 1092 1093 1098 1108 1109 1114 1115 1116 1117 1118 1119 1125 1126 1127 1131 1139 1161 1162 1167 1168 1351 1361 1362 1363 1372 1373 1374 1375 1380 1381 1385 1386 1391 1392 1393 1394 17248 Kamenický Mazovia CWI-2 KOI8 MIK Iran System

IBM AIX code pages	367 371 806 813 819 895 896 901 902 912 913 914 915 916 919 920 921 922 923 952 953 954 955 956 957 958 959 960 961 962 963 964 965 970 971 1006 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1029 1036 1089 1111 1124 1129 1133 1163 1350 1382 1383

IBM Apple MacIntosh Emulations	1275 1280 1281 1282 1283 1284 1285 1286

IBM Adobe Emulations	1038 1276 1277

IBM DEC Emulations	1021 1023 1100 1101 1102 1103 1104 1105 1106 1107 1287 1288

IBM HP Emulations	1050 1051 1052 1053 1054 1055 1056 1057 1058

Windows code pages	874/1162 (TIS-620) 932/943 (Shift JIS) 936/1386 (GBK) 950/1370 (Big5) 949/1363 (EUC-KR) 1169 1174 1200 (UTF-16LE) 1201 (UTF-16BE) 1250 1251 1252 1253 1254 1255 1256 1257 1258 1261 1270 54936 (GB18030)

EBCDIC code pages	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 29 30 31 32 33 34 35 36 37/1140 38 39 40 251 252 254 256 257 258 259 260 264 273/1141 274 275 276 277/1142 278/1143 279 280/1144 281 282 283 284/1145 285/1146 286 287 288 289 290 293 297/1147 298 310 320 321 322 330 351 352 353 355 357 358 359 360 361 363 382 383 384 385 386 387 388 389 390 391 392 393 394 395 410 420/16804 421 423 424/12712 425 435 500/1148 803 829 833 834 835 836 837 838/1160 839 870/1153 871/1149 875/9067 880 881 882 883 884 885 886 887 888 889 890 892 893 905 918 924 930/1390 931 933/1364 935/1388 937/1371 939/1399 1001 1002 1003 1005 1007 1024 1025/1154 1026/1155 1027 1028 1030 1031 1032 1033 1037 1047 1068 1069 1070 1071 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1087 1091 1097 1110 1112/1156 1113 1122/1157 1123/1158 1130/1164 1132 1136 1137 1150 1151 1152 1159 1165 1166 1278 1303 1364 1376 1377 JEF KEIS

Platform specific	ATASCII Atari ST BICS CDC CPC DEC Radix-50 DMCS/NRCS ELWRO-Junior FIELDATA GEM GEOS GSM 03.38 HP Roman Extension HP Roman-8 HP Roman-9 HP calculators LICS LMBCS NEC APC NeXT PETSCII TI calculators WISCII XCCS ZX80 ZX81 ZX Spectrum

Unicode / ISO/IEC 10646	UTF-1 UTF-7 UTF-8 UTF-16 (UTF-16LE/UTF-16BE) / UCS-2 UTF-32 (UTF-32LE/UTF-32BE) / UCS-4 UTF-EBCDIC GB 18030 BOCU-1 CESU-8 SCSU

Miscellaneous code pages	ABICOMP APL Cork HZ JOHAB TRON UTF-5 UTF-6 WTF-8

Related topics	Control character (C0 C1) CCSID Character encodings in HTML Charset detection Han unification Hardware ISO 6429/IEC 6429/ANSI X3.64 Mojibake

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Fieldata

FIELDATA characters

References

Further reading