1/2" tape clean-up and modernization project (revised plan) 4 December 1996 =========================================================== Appendix I. COADS Project and General CDC Dataset Tape Disposition List Part A lists COADS or COADS-related 1/2" tapes for migration to modern media; Part B lists non-COADS tapes for retention in original form by Jon Eischeid or Barry McInnes. Part C lists tapes originally planned for disposal without migration to modern media, and Part D lists additional tapes that have been identified for disposal since the beginning of the project. Note that tapes in Part A not residing on 1/2" tape (as indicated by footnotes) are not subject to migration. Annex 1 lists mystery tapes that are also slated for disposal. Annex 2 describes the generally followed nomenclature for tape names (some deviations exist). Part A: COADS/related datasets for migration to modern media (approximately 875 1/2" tapes) (Note: original tape labels were photocopied before disposal) A = Atlas (49: AZR1-3; AZC1-5; AZH1; AZQ1-9; AZI1-11; AZB1-20)* A5 = Atlas Omission MSQ 105 Post-1928 (1: A5ZM1)* B = Australian (4: BZG1-2 [with BZG1-2%], BXG1A, BXG1B)** B1 = Australian (TD-1129) (1: B1ZG1)* B2 = Australian '70s (TD-1129) (1: B2ZZ1)* CV = OWS and COADS-OWS character files (fr OWS Atlas) (2: CV1-CV2)# C4 = Canadian MEDS Daily Seawater files (4: C4YQ1-2, C4ZQ1-2 [with C4ZQ1^])*** D = '70s Decade (69: DZZ1-35 [TD-1127 orig.]; DET1-33; DED1 [discards])* D0 = '80s Decade: 1980 (erroneous early transmittal) (5: D0ZG1-5)*** D1 = '80s Decade: 1981 (erroneous early transmittal) (6: D1ZG1-6)*** D2 = '80s Decade: 1980-84 annual files (current/& delayed) (26: D2ZZ01-26)***& D3 = '80s Decade: 1980-84 annual files (delayed) (24: D3ZZ01-24)***& D4 = '80s Decade: 1980-84 annual files (corrections) (1: D4ZZ01)*** D5 = '80s Decade: 1985 annual files (6: D5ZZ01-06)*** D6 = '80s Decade: 1986 receipts (64: D6ZZ01-64)*** D7 = '80s Decade: 1987 receipts (incl. 1979-87 NDBC data) (25: D7ZZ01-25 [with D7ZZ15%%])*** D8 = '80s Decade: 1988 receipts (9: D8ZZ1-9 [with D8ZZ3^])*** D9 = '80s Decade: 1989 receipts (10: D9ZZ1-10)*** D10 = '90s Decade: 1990 receipts (9: D10ZZ1-9)*** D11 = '90s Decade: 1991 receipts (9: D11ZZ1-9)@; (6: D11ZZ1-5, 10)*** D12 = '90s Decade: 1992 receipts (33: D12ZZ1-33)@*** D13 = '90s Decade: 1993 receipts (9: D13ZZ01-09)@*** E = Eltanin (1: EZZ1)* E1 = Islas Orcadas (Eltanin) (S. Warren) (1: E1ZZ1)*; (2: E1XZ1, E1XZ1A)** F = FCDS (Fleet Consolidated Data Set) (52: FCDS1-52 [with 10a and FCDS23%])# F2 = French IMMT corrected data, 1954-88 (1: F2ZG1 [with F2ZG1^])*** G1 = GOSTA (from U.K. Met. Office) (2: G1ZG1 [with G1ZG1^^], G1YG1)# H = HSST Observations (TDF-11) (15: HZP1-13 [with HZP4%%]; HZP5A, HZP7A)*; (15: HYP1-5 [with HYP1%], HZI1-10)** H4 = HSST Observations (Exchange Format) (51: H4ZA1-34; H4ZI1-17)*; (12: H4XA1-12)** I3 = NCDC's IMM rehab. (27: I3ZG09, 10, 13, 19, 21, 27-29, 33-34, 43, 48-49, 55-56, 60-61, 70-79)@; (52: I3ZG1-8, 11-12, 14-18, 20, 22-26, 30-32, 35-42, 44-47, 50-54, 57-59, 62-69 [with I3ZG53^ and I3ZG69^])***& M = Monterey Telecom (deck 555) (4: MZZ1-4)* M1 = U.K. Met. Office Marine Data Bank {test} data (6: M1ZZ1-3 [with M1ZZ2%], M1YZ1-3)# M3 = UK IMMT corrected data, 1982-89 (2: M3ZG1-2)*** N = NODC Surface (3: NZZ1-3)* N1 = NODC Surface Supplement (1: N1ZZ1)* N2 = Indian Ocean Subsfc. Temp. (IOSBT) (fr G. Sharp, H. Diaz) (1: N2ZI1)@*** P = IMMPC Foreign (5: PZZ1-5)* P1 = IMMPC Foreign ('70s) (2: P1ZZ1-2)* Q = Atlas Omission MSQ 486 Pre-1940 (1: QZZ1)* Q4 = NCDC QC Matrices (5: Q4ZG1-3, Q4YG1-2)** Q12 = NCDC Source to TDF Conversion Programs (2: Q12ZZ1, Q12XZ1)** Q15 = '70s Buoy Data (1: Q15ZZ1)*; (1: Q15ZZ2)** Q31 = NCDC 1-degree SST means and S.D. (from Marine CD-ROM) (1: Q31ZG1)@# Q33 = NCDC Miscellaneous Test Tapes#@ S4 = Scripps/Barnett corrected TOGA drifting buoy data (1: S4ZZ1)# T = Old TDF-11 Supp. B (6: TZG1-6 [with TZG3%%])* T1 = Old TDF-11 Supp. C (5: T1ZG1-5)* T3 = IATTC data (2: T3ZP1-2 [with T3ZP1-2^])* V = Ocean Station Vessels (2: VZG1-2)* V1 = Ocean Station Vessels Supplement (1: V1ZZ1)* V2 = Ocean Station Vessel Z ('70s) (1: V2ZZ1)*; (1: V2ZS1)** V3 = Ocean Station Vessels All Obs. (14: V3ZZ1-7, V3YZ1-2, V3MZ1, V3MY1, V3Z1Z1-3)*** V4 = Ocean Station Vessels On Station Synoptic (9: V4ZZ1-2, V4ZZ3-4, V4YZ1-2, V4MY1, V4MZ1, V4Z1Z1)*** W = S. African Whaling (3: WZZ1, WXZ1-2)** W1 = S. African Whaling Data (NCAR's EBCDIC translation) (1: W1ZZ1)** W2 = Japanese Whaling Data (2: W2ZZ1, W2XZ1)** W3 = Japanese Whaling Data (TD-1129) (1: W3ZZ1)* W4 = S. African Whaling Data (TD-1129) (1: W4ZZ1)* X22 = NCAR Sadler climat. P,S, winds fr COADS (C. Deser) (1: X22ZG1) Y = COADS (Comprehensive Ocean-Atmosphere Data Set) interm (8: YQU01 [with YQU01%], YQV01, YQW01, YQX01, YQY01, YQZ01, YQU1, YQX1)# Z = COADS (Comprehensive Ocean-Atmosphere Data Set) (total 186 tapes): a) fr NCAR computer (1: BIERSTADT:/U2/LUBKER)** b) ZI tapes (39: ZID01-03, ZIE01-02, ZIM01-07, ZIMD01-03, ZIN01-02, ZIO01-09, ZIP01-09, ZIQ01-02, ZIR01-02)# c) ZJ tapes (55: ZJDUPELIM, ZJINV, ZJZINV3, ZJINV70, ZJINVPRE, ZJL01-34, ZJLD01-14, ZJODE [with ZJODE%], ZJZINV)# c) ZK tapes (2: ZKT1, ZKU1)# d) ZL tapes (78: ZLC01-13, ZLCD01-05, ZLCE01-10, ZLD01-02, ZLDD01, ZLO01-18, ZLP01-17, ZLT01-02, ZLU01-02, ZLV01-02, ZLW01-02, ZLX01-02, ZLY01-02)# e) ZQ tapes (18: ZQE01-06, ZQH1-4, ZQL5-12)# Part B: Non-COADS related datasets for individual retention or redistribution by Eischeid (jon) or McInnes (bjm) (approximately 51 1/2" tapes + notebooks) E2 = DOE Temperature and Precipitation Data (H. Diaz) (25: E2XNB1, E2YNB1, E2YNB1A, E2YNC1, E2YND1, E2YNE1, E2YNF1, E2YNG1, E2YNI1, E2YNJ1, E2YNK1, E2YZA1, E2YZA1A, E2YZH1, E2ZNB1-2, E2ZNC1, E2ZND1, E2ZNE1, E2ZNF1, E2ZNG1, E2ZNI1, E2ZNJ1, E2ZNK1, E2ZZH1) (jon) I = West Antarctica Sfc Elev., Bedrock, and Thick. (U. Radok) (2: IZH1, IYH1) (bjm) I1 = Antarctic Gridded Ice Data (U. Radok) (1: I1ZS1) (bjm) I2 = Antarctic Surface Temp. and Accumulation Rates (U. Radok) (1: I2ZS1)(bjm) I3/4= Antarctic Gridded Ice Data (U. Radok) (3: I3ZS1, I4ZS1-2)&& (bjm) Q2 = Ross Ice Shelf (U. Radok) (2: Q2ZZ1, Q2XZ1) (bjm) Q3 = Norwegian Meteorological (U. Radok) (3: Q3ZZ1-2, Q3XZ1) (bjm) Q8 = Russian DTMNH Corrected (H. Diaz) (1: Q8ZZ1) (jon) Q14 = Russ. Press./Precip. (H. Diaz) (6: Q14ZN1-2, Q14ZN1A-2A, Q14ZN1B-2B)(jon) Q25 = British Pressure (H. Diaz) (1: Q25YN1A) (jon) U = Chinese River Discharge (Congbin Fu) [tapes?] (jon) U1 = Chinese datasets (13 miscellaneous) (Congbin Fu) (2: U1ZZ1, U1YZ1) (jon) X = NCAR Grid-SLP 1899-1986 (3: XZZ1, XXZ1, XZ1Z1) (jon) X8 = NCAR 500 mb Grids (H. Diaz) [tapes?] (jon) X20 = NCAR Daily SLP (1899-; H. Diaz) [tapes?] (jon) X25 = NCAR daily Antarctica raobs (U. Radok) (1: X25ZZ1) (bjm) Part C: Tapes for disposal without migration (approximately 245 1/2" tapes) A = Atlas (phase C) (10: ACH1, ACI1, ACP1-3, ACH1A, ACI1A, ACP1-3A)# A1 = Atlas Atlantic (TD-9774) (13: A1Z1-13)# A2 = Atlas High Latitude (early definition) (2: A2Z1, A2AH1)# A3 = Atlas Southern Indian Extract (1: A3Z1)# A4 = Atlas Pacific Update Extract (1: A4ZP1)# C = CAC Richard W. Reynolds' SST Climatology (Congbin Fu) (2: CYG1A, CYG1B) C1 = CAC Philip Arkin's Tropical Strip Winds and OLR (2: C1YZ1, C1ZZ1) C2 = CAC Richard W. Reynold's Weekly Surface Marine Data (2: C2YZ1, C2ZZ1) C3 = NMC Global Spectral Analysis Grids (K. Weickmann) (1: C3ZG1) CIRES computer tapes (8: /WE/R_SLUTZ 1, /WE/R_SLUTZ 2, /WE/R_SLUTZ 3, /WE/R_SLUTZ 4, /CL, /CLA, /WE/SCIENCE, /WE/SCIENCEA)** COADS Release 1 manuscript in _roff format (2: COADS REL 1, COADS REL 1A)** D2 = '80s Decade: 1980-84 annual files (current/& delayed) (1: D2ZZ08)***& D3 = '80s Decade: 1980-84 annual files (delayed) (3: D3ZZ21-23)***& F1 = FCDS (Manformat-01) (2: F1ZG1-2)# GBPK1A: COADS "B" phase tape (PK files distr. to East Anglia U.) (1: GBPK1A)# I3 = NCDC's IMM rehab. (1: I3ZG22)***& K = NORPAX Programs and Data (S. Khalsa) (1: KZZ1) K1 = Post-processed Omega Dropwindsonde P3 Flight Data (S. Khalsa) (1: K1ZZ2) K2 = NEPRF Tropical Cyclone Tracks (R. Keen) (3: K2ZZ1, K2ZG1, K2YG1) O1 = NODC/Levitus Monthly Climat. Atlas (H. Diaz) (3: O1ZG1-3) PS tapes (COADS alt. format for China) (38: PSGE01-08, PS01C-28C, PS29, PS30) Q1 = Russian DTMNH (H. Diaz) (2: Q1ZZ1, Q1XZ1) Q5 = 700 mb Heights (H. Diaz) (1: Q5ZG1) Q9 = Mo. Cyclone Frequencies (H. Diaz: erroneous) (3: Q9ZZ1, Q9ZY1, Q9ZY1A) Q13 = FSU Wind Stress (1: Q13XZ1) Q16 = DOE Station Precipitation (H. Diaz) [tapes?] Q17 = Bradley Western U.S. Data (H. Diaz) (6: Q17ZN1-2, Q17YN1-2, Q17YN1A-2A) Q18 = U.S. Monthly Station Temp. and Precip. (H. Diaz) (5: Q18ZN1, Q18ZN1A, Q18YN1, Q18YN1A, Q18YN1A [duplicate tape names?]) Q20 = Alaska Stn Mo. Temp. and Precip. (H. Diaz) (3: Q20ZN1, Q20YN1, Q20YN1A) Q21 = NWS Forecast Grids of Mo. 700 mb Height (H. Diaz) (2: Q21YN1, Q21YN1A) Q22 = NCDC Divisional Temp. and Precip. (H. Diaz) (4: Q22ZZ1-2, Q22YZ1-2) Q23 = DOE Northern Hemisphere Grid Data (H. Diaz) [tapes?] Q24 = Length of Day (LOD) Var. 1656-1983 (J. Fletcher) (2: Q24ZZ1, Q24YZ1) Q26 = NCDC Daily Precipitation (from R. Hartmann, H. Diaz) [tapes?] Q27 = 1971-1983 DOE Precip Data (O. Garcia) [tapes?] Q28 = CSU Colorado Climate Center Database (H. Diaz) (2: Q28ZZ1-2) Q29 = Upper Air Soundings for Selected Stns. (H. Diaz) (10: Q29ZZ1-5, Q29YZ1-5) Q30 = Carbon Diox. Info. Cntr. (Oak Rdg.) Biblio. (H. Diaz) (2: Q30ZZ1, Q30ZY1) R = STATLIB 3.06 Software [tapes?] R1 = NCAR Dennis Shea's EOF Program (E. Steiner) (1: R1ZZ1) S1 = Scripps Monthly Gridded SST (H. Diaz) [tapes?] S5 = Monterey Bathy/Tesac data (from Doug McLain) (1: S5ZZ1) T2 = TOVS (TIROS Operational Vertical Sounder) [tapes?] X1 = NCAR Grid-NMC N. Hem. Mo. (8: X1ZZ1-2, X1XZ1, X1Z1Z1-2, X1Z2Z1, X1Z3Z1-2) X2 = NCAR Grid Data-Australian S. Hemisphere, Mo. (2: X2ZZ1, X2XZ1) X3 = NCAR Grid-Australian S. Hem., Daily (12: X3ZS1-2, X3ZS4-5 [5 twice?], X3YS1-6, X3YS3A) X4 = NCAR Landlocked (from Dennis Shea from RAND) (1: X4ZZ1)# X5 = NCAR 700 mb Grids (H. Diaz) (4: X5ZN1, X5YN1 [twice?], X5YN1A) X6 = NCAR Boundary Layer NMC 2.5 deg (R. Keen) (14: X6ZG1-7, X6YG1-7) X7 = NCAR World Mo. Sfc. Stn. Climat. (14: X7ZGBC1, X7ZGCA1-2, X7ZGCD1-J1, X7YGCD1-G1) X9 = NCAR Upper Air Mo. Mean Climats (5: X9ZZ1, X9Z1Z1, X9Z2Z1, X9YZ1, X9Y1Z1) X10 = NCAR 500 mb Height and Temperature (H. Diaz) (2: X10ZZ1, X10YZ1) X11 = NCAR 700 mb Height and Temperature (H. Diaz) (2: X11ZZ1, X11YZ1) X12 = NCAR T/S Mo. Mean Raobs for Canadian Stns/OSV (2: X12ZZ1, X12YZ1) X13 = NCAR Global 10 Minute Elev. Data (T. Brown: not for dist.) (1: X13YG1) X14 = NCAR ECMWF Up. Air (Steiner/Blackmon) (21: X14ZG2, X14YG1-2, X14Z1G1-18) X15 = NCAR Jaeger 4 x 5 deg Monthly Mean Precip (H. Diaz) (2: X15ZG1, X15YG1) X16 = NCAR CAC SST's (E. Steiner) (4: X16ZZ1, Z16YZ1, Z16Z1Z1, X16Z2Z1) X17 = NCAR Russian Gridded Precip. (H. Diaz) (2: X17ZN1, X17YN1) X18 = NCAR NMC Radiosondes (J. Bates) (6: X18ZG1-3, X18YG1-3) X19 = NCAR Global mo. stream discharge rates; DS 552.0 (H. Diaz) (1: X19ZZ1) X21 = NCAR 1 x 1 deg depth/elev. fr Scripps/Rand (DS 750.1; H. Diaz) [tapes?] X23 = NCAR 700 mb heights and temp, lat-long grid (H. Diaz) (1: X23ZN1) X27 = NCAR Shea et al. global monthly SST climatology (C. Fu) (1: X27ZG1) X28 = NCAR Krishnamurti trop. 850-200mb winds (P. Joseph) (2: X28ZZ1, X28_Z1) Part D: Additional tapes for disposal (approximately 350 1/2" tapes, plus 220 Monterey S tapes transferred to NCDC): tapes originally in Part A (G, H1-H3, M2, M4, O, Q7, Q32, R2-R4, S, S3, V5-V6, W5-W6, and selected Z tapes) or in Part B (B3, Q6, Q10-11, Q19, S2, S6, X24, X26) redesignated for disposal, or undocumented tapes that appeared among the Radio Building tapes (all others) B3 = Australian Rainfall (H. Diaz) (2: B3YZ1, B3ZZ1) D = '70s Decade (39: DET1-33 [2nd copy]; DEC1-6 [CMR])* G = Global Temperature over Land and Sea (G. Paltridge) [tapes?]# H1 = HSST Pacific and Indian Summary (2: H1ZP1, H1ZI2)# H2 = HSST Atlantic Summary (1: H2ZA1)# H3 = HSST Pacific/Indian/Med./Atlantic Summary (1: H3ZG1)# H4 = HSST Observations (Exchange Format) (12: H4XA1-12B)** M2 = Maury collection (October 89) test tape (4: M2ZZ1-2, M2YZ1A, M2YZ1B)# M4 = Voluntary Special Obs. Proj.--N. Atlantic (VSOP-NA) (at NCAR) (1: M4ZB1)# O = SCUDS (Surface Current Data Set/NODC) (8: OXZ1-4, OXZ1A-4A)# Q6 = Great Lakes Data (H. Diaz) (2: Q6ZZ1-2) Q7 = MOODS (Master Oceano. Obs. Data Set) (3: Q7ZZ1-2, Q7XZ1)# Q10 = NESS Snow/Ice Limits (H. Diaz) (4: Q10ZZ1, Q10ZZ1A, Q10Z1Z1, Q10Z1Z1A) Q11 = NESS Land/Sea Tables (2: Q11ZZ1, Q11XZ1) Q19 = National Heating and Cooling Degree Days (H. Diaz) (2: Q19ZN1, Q19YN1) Q32 = QLXX program from Dennis Mayer (1: Q32ZZ1)# R2 = NCAR's GBYTES/SBYTES Package# R3 = IAP (Beijing) COADS Soft. (IBM 4331) (4: R3ZZ1, R3Z1Z1, R3YZ1, R3Y1Z1)# R4 = NBO (PRC) COADS Software (IBM 4341) (1: RZZ1)# S = Monterey Ship Obs [tapes were all transferred to NCDC for archival]# S2 = Scripps (New Zealand Met. Service) Pacific Islands (H. Diaz) [tapes?] S3 = J. Servain Atlantic Wind Stress/SST (1964-86) (2: S3ZA1, S3XA1)# S6 = Scripps shore station data (H. Diaz) (1: S6YQ1) V5 = Ocean Station Vessels (derived files) (1: V5ZZ1)# V6 = Ocean Station Vessels (derived files; CMR) [tapes?]# W5 = P. Wright COADS Untrimmed 4 deg x 10 deg Anomalies and LTM (1: W5YZ1)# W6 = WMO Pub. 47 (fr NCDC) (19: W6ZZ01-19)# X24 = NCAR upper air station inventory (B. Liebmann)@@ X26 = NCAR Dennis Shea's global precip atlas (H. Diaz) (1: X26ZG1) Z = COADS (Comprehensive Ocean-Atmos. Data Set; A/B copies)(total 205 tapes): a) fr NCAR computer (1: BIERSTADT:/U2/LUBKERA)** b) ZI tapes (39: ZID01A-03A, ZIE01A-02A, ZIM01A-07A, ZIMD01A-03A, ZIN01A-02A, ZIO01A-09A, ZIP01A-09A, ZIQ01A-02A, ZIR01A-02A)# c) ZJ tapes (53: ZJDUPELIMA, ZJZINVA, ZJZINV3A, ZJZINV3B, ZJINVPREA, ZJL01A- 34A, ZJLD01A-14A)# d) ZK tapes (2: ZKT1A, ZKU1A)# e) ZL tapes (110: ZLB1-4, ZLB1A, ZLC01A-13A, ZLC01B-13B, ZLCD01A-05A, ZLCD01B-05B, ZLCE01A-10A, ZLD01A-02A, ZLDD01A, ZLFU1, ZLFV1, ZLFW1, ZLO01A- 18A, ZLP01A-17A, ZLT01A-02A, ZLU01A-02A, ZLU01B-02B, ZLV01A-02A, ZLV01B-02B, ZLW01A-02A, ZLW01B-02B, ZLX01A-02A, ZLY01A-02A)# f) ZQ tapes (1: ZQ99)# Miscellaneous undocumented tapes from Radio Building (total 31 tapes): 7: RAS1-3, RAS5-8 5: rjs101, slutz2-5 1: MVTS1X 2: "sea level data," and "analysis tape" 8: dump0, tar of /cl, allice 1-2, cires tar tapes 1-4 3: SWOB tapes 1: JAM01 1: TRASIN 2: WND946, WND962 1: rjscarp ________ * COADS Release 1 input tapes (tape count: list of tape names) stored in Radio Building basement. Note that E1ZZ1 (and its RL-2 copies) is an exception in that it ended up not being input for Release 1. An inventory exists on paper of the specific location (bay, section, row, slot) where tapes were stored in the Radio building. ** COADS Release 1 data (before translation by NCDC into TD-1129, or copies of TD-1129 tapes) or metadata not stored in Radio Building. *** COADS input data received after Release 1. # COADS output products or COADS-related data or metadata. @ Dataset not stored on 1/2" tape. Stored on 3480/90 cartridge (tape count: list of tape names), or other digital medium. Note: Some D11 tapes received both on tape and cartridge, hence overlapping tape names on lists of cartridges versus 1/2" tapes. @@ Dataset on paper. & The following tapes should appear twice, such that one copy is marked "superseded," and only the non-superseded copy should be migrated to modern media: D2ZZ08, D3ZZ21, D3ZZ23, I3ZZ22. && I4 notebook contains other tape names. Note that datasets I3 and I4 are also assigned to COADS IMM tapes, some of which appear in Part A under I3. % Tape unreadable (never successfully copied). %% Tape readable only once. ^ Tape missing (never located), but a copy of the data appears to be available at NCAR as part of the COADS master list of input volumes (tape_list), or the absence of the tape is explained by the tape_list. ^^ Tape missing (never located). =============================================================================== Annex 1: Mystery tapes. These tapes appeared in TAPEINV but don't seem to fit into any dataset (?). They should be disposed of if located. (CV2A) RECYCLED AHA1 CAYAN1 FCDD FCDD2 FCDD3 FCDD4 HAP3 HAP4 KERMIT SP2MS SP2MSA =============================================================================== Annex 2: Explanation of dataset tape names Tape names contain up to twelve characters, the first of which must be alphabetic. These fall into six fields, described below: S | P | A | n | (m) | C | 1. 2. 3. 4. 5. 6. 1. S = source: One to three characters: the first a letter, the second and third (if present) must be numerals. The above CDC/COADS project dataset list defines source codes. 2. P = phase: X, Y, Z for original tapes from other organizations, or copies: X = condensed working copy (Cyber internal) Y = exact copy of original tape Z = original tape Otherwise, a single letter indicating the COADS or pre-COADS processing phase that produced a tape: A = QA phase: CMR.1 for Atlas High Lat. and HSST Indian B = QB phase: PK files: GBPK1 (distribution to East Anglia U.) C = QC phase: CMR.2 for Atlas Indian (pre-1861), Atlas Pac., Atlas Polar E = QE phase: TD-1129 and CMR.3 tapes for '70s Decade I-L = COADS phases QI-QL, documented elsewhere (?) 3. A = area: The meaning of this field depends on the previous field (phase). For P = A, C, X, Y, and Z it is a single letter indicating the area of the globe that the data cover: A = Atlantic K = South Indian B = North Atlantic M = Mediterranean C = South Atlantic N = Northern Hemisphere G = Global P = Pacific H = High Latitude Q = North Pacific I = Indian R = South Pacific J = North Indian S = Southern Hemisphere Z = Misc. or unknown For P = E it is a single letter indicating the format of the result: T = TD-1129 C = CMR.3 D = TD-1127 Discards 4. n = Number: A 1- or 2-digit number giving the position of the tape within a sequence of tapes. 5. m = Maximum: A 1- or 2-digit number enclosed in parentheses, giving the maximum number of tapes in sequence from 1 to m, of which this is the nth. Individual tapes will carry this field, but it is omitted from the above dataset list for brevity. 6. C = Copy: A single letter specifying the copy number of the tape whenever multiple copies of the same tape have been created. For the first copy this field is omitted; additional copies take successive letters of the alphabet starting with "A."