NOAA KLM User's Guide

Section 8.3.1.2

Blue line drawn across page to separate text from document title.
Introduction Page, NOAA KLM TOC, Acronyms
Previous Section, Next Section

8.3.1.2 Archive Retrieval System (ARS) Header Record

The ARS Header Record is created by NOAA/NESDIS when data is retrieved from the NOAA Level 1b archive, and includes information on the data request and how the data was processed from the archive. A detailed description of the contents of this record are presented in Table 8.3.1.2-1.

Table 8.3.1.2-1. Format of ARS Header Record.
Start Octet End Octet DT Word Size SF Number of Words ORDER ID
1 6 c 6 0 1 NeS Number
7 14 c 8 0 1 CLASS Number (if applicable)
15 18 c 4 0 1 Order Creation Year (e.g., '1998')
19 21 c 3 0 1 Order Creation Day of Year (e.g., '365')
22 22 c 1 0 1 Processing Site Code
A = CLASS
S = NCDC/Suitland
N = NCDC/Asheville
23 30 c 8 0 1 Processing Software ID (e.g., 'Extract2')
DATA SELECTION CRITERIA
31 72 c 42 0 1 Data Set Name
73 74 c 2 0 1 <ASCII blank = 0x20>
75 75 c 1 0 1 Select Flag
T = total data set copy
S = selective data set copy (subset)
76 78 c 3 0 1 Beginning Latitude
79 81 c 3 0 1 Ending Latitude
82 85 c 4 0 1 Beginning Longitude
86 89 c 4 0 1 Ending Longitude
90 91 c 2 0 1 Start Hour (UTC)
92 93 c 2 0 1 Start Minute
94 96 c 3 0 1 Number of Minutes
97 97 c 1 0 1 Appended Data Flag
98 117 c 1 0 20 Channel Select Flags
Y = channel selected
N = channel not selected
118 119 c 2 0 1 Sensor Data Word Size
08 = 8 bits per word (reduced and packed)
10 = 10 bits per word (packed)
16 = 16 bits per word (unpacked)
DATASET SUMMARY
120 146 c 27 0 1 <ASCII blank = 0x20>
147 147 c 1 0 1 Ascend/Descend Flag
A = ascending only
D = descending only
B = both ascending and descending
148 150 c 3 0 1 First Latitude
first latitude value in the first data record
151 153 c 3 0 1 Last Latitude
last latitude value in the last data record
154 157 c 4 0 1 First Longitude
first longitude value in the first data record
158 161 c 4 0 1 Last Longitude
last longitude value in the last data record
162 181 c 20 0 1 Data Format (e.g., 'NOAA Level 1b v2')
182 187 c 6 0 1 Size of Records (in octets)
188 193 c 6 0 1 Number of Records
(total, including ARS and Data Set Header Records)
FILLER
194 512 c 1 0 319 <ASCII blank = 0x20>

Amended April 12, 2000

Amended January 5, 2005


Previous Section Top of Page Next Section