N304D Sample LRT GENPRO-I header
491A-17 CONVECTIVE STORMS -78 16JUL78 FIRST TIME ON THIS FILE 12 36 50 THIS FILE I
S ALL OR PART OF TIME PERIOD 12 36 45 TO 14 29 30 DESCRIPTION OF RECORD -- 51 PARAMETERS WERE SAVE
D AT THEIR RESPECTIVE RATES. THIS REPRESENTS 146 SAMPLES/PROGRAM CYCLE WHERE A CYCLE IS 1.000 SEC
THE 10 CYCLES OF 146 SAMP/CYC = 1460 WERE THEN SCALED INTO 20 BIT INTEGERS AND PACKED 3 SAMPLES/WOR
D INTO 487 60 BIT PACKED WORDS --METHOD OF SCALING-- A BIAS AD(I) WAS ADDED TO EACH SAMPLE
OF EACH PARAMETER TO ELIMINATE ANY NEGATIVE VALUES. THE BIASED SAMPLE WAS THEN MULTIPLIED BY P(I)
TO INSURE THE PROPER NUMBER OF DECIMAL PLACES WERE SAVED. THE PACKED RECORD MAY BE UNPACKED BY RIGH
T JUSTIFYING 20 BITS AT A TIME AND REVERSING THE ABOVE SCALING PROCESS. AS EXAMPLE, S(I)=N/P(I)-AD(I
), WHERE N IS THE 20 BIT SCALED INTEGER, S(I) THE DESIRED UNSCALED PARAMETER, AD(I),P(I) THE CORRESP
ONDING SCALE FACTORS THE ORDER, RATE, PLOT TITLE, PRINT LAB, UNITS, AD AND P SCALE FACTORS OF EACH
PARAMETER FOLLOW
1) 1 PROCESSOR TIME (SECONDS) AFTER MIDNIGHT TIME SEC = (N/ 1.0) - 0.0
2) 1 UNALTERED TAPE TIME (SEC) AFTER MIDNIGHT TPTIME SEC = (N/ 1.0) - 0.0
3) 1 LTN-51 ARINC TIME LAG (SEC) TMLAG SEC = (N/ 1000.0) - 100.0
4) 1 EVENT MARKER WORD EVMRKS = (N/ 1.0) - 0.0
5) 1 FIXED ZERO VOLTAGE (VDC) FZV VDC = (N/ 1000.0) - 100.0
6) 1 RAW INS LATITUDE (DEG) ALAT DEG = (N/ 1000.0) - 100.0
7) 1 RAW INS LONGITUDE (DEG) ALONG DEG = (N/ 1000.0) - 200.0
8) 1 AIRCRAFT TRUE HEADING (ARINC) (DEG) THI DEG = (N/ 1000.0) - 100.0
9) 1 INS WANDER ANGLE (DEG) ALPHA DEG = (N/ 1000.0) - 100.0
10) 1 RAW INS GROUND SPD X COMPONENT (M/S) XVI M/S = (N/ 1000.0) - 500.0
11) 1 RAW INS GROUND SPD Y COMPONENT (M/S) YVI M/S = (N/ 1000.0) - 500.0
12) 1 RAW INS GROUND SPEED (M/S) GSF M/S = (N/ 1000.0) - 100.0
13) 1 RAW INS VERTICAL VELOCITY (M/S) VZI M/S = (N/ 1000.0) - 500.0
14) 1 RAW DYNAMIC PRESSURE (WING) (MB) QCW MB = (N/ 1000.0) - 100.0
15) 1 CORRECTED DYNAMIC PRESR (WING) (MB) QCWC MB = (N/ 1000.0) - 100.0
16) 1 RAW STATIC PRESSURE (FUSELAGE) (MB) PSF MB = (N/ 1000.0) - 0.0
17) 1 CORRECTED STATIC PRESR (FUSELAGE) (MB) PSFC MB = (N/ 1000.0) - 0.0
18) 1 NACA PRESSURE ALTITUDE (M) HP M = (N/ 10.0) - 500.0
19) 1 GEOMETRIC (RADIO) ALTITUDE (M) HGM M = (N/ 1000.0) - 100.0
20) 1 TOTAL TEMPERATURE (WING ROSEMOUNT) (C) TTW C = (N/ 1000.0) - 100.0
21) 1 TOTAL TEMPERATURE (REVERSE FLOW) (C) TTRF C = (N/ 1000.0) - 100.0
22) 1 TOTAL TEMP (REVERSE FLOW)(OLD STYLE)(C) TTRF2 C = (N/ 1000.0) - 100.0
23) 1 AMBIENT TEMPERATURE (ROSEMOUNT) (C) ATW C = (N/ 1000.0) - 100.0
24) 1 AMBIENT TEMPERATURE (REVERSE-FLOW) (C) ATRF C = (N/ 1000.0) - 100.0
25) 1 AMBIENT TEMP (OLD STYLE REVERSE-FLOW)(C) ATRF2 C = (N/ 1000.0) - 100.0
26) 1 DEW/FROSTPOINT TEMP (THERMOELEC) (C) DP C = (N/ 1000.0) - 100.0
27) 1 DEWPOINT TEMPERATURE (THERMOELEC) (C) DPC C = (N/ 1000.0) - 100.0
28) 1 ABSOLUTE HUMIDITY (THERMOELEC) (G/M3) RHOTD G/M3 = (N/ 1000.0) - 100.0
29) 1 AIRCRAFT TRUE AIRSPEED (WING) (M/S) TASW M/S = (N/ 1000.0) - 100.0
30) 1 HORIZONTAL WIND DIRECTION (DEG) WDRCTN DEG = (N/ 1000.0) - 100.0
31) 1 HORIZONTAL WIND SPEED (M/S) WSPD M/S = (N/ 1000.0) - 100.0
32) 1 WIND VECTOR EAST COMPONENT (M/S) UI1 M/S = (N/ 1000.0) - 200.0
33) 1 WIND VECTOR NORTH COMPONENT (M/S) VI1 M/S = (N/ 1000.0) - 200.0
34) 1 WIND VECTOR LNGTDNL COMPONENT (M/S) UX1 M/S = (N/ 1000.0) - 200.0
35) 1 WIND VECTOR LATERAL COMPONENT (M/S) VY1 M/S = (N/ 1000.0) - 200.0
36) 1 RAW INS GROUND SPD EAST COMP (M/S) VEW M/S = (N/ 1000.0) - 500.0
37) 1 RAW INS GROUND SPD NORTH COMP (M/S) VNS M/S = (N/ 1000.0) - 500.0
38) 1 DISTANCE EAST OF GROVER, COLORADO (KM) DEIG KM = (N/ 100.0) - 1000.0
39) 1 DISTANCE NORTH OF GROVER, COLORADO (KM) DNIG KM = (N/ 100.0) - 1000.0
40) 1 AIRCRAFT C.G. ACCELERATION (M/S2) CGAC M/S2 = (N/ 1000.0) - 100.0
41) 1 DAMPED AIRCRAFT VERT VELOCITY (M/S) WP3 M/S = (N/ 1000.0) - 100.0
42) 1 PRESSURE-DAMPED INERTIAL ALTITUDE (M) HI3 M = (N/ 10.0) - 500.0
43) 1 POTENTIAL TEMPERATURE (K) THETA K = (N/ 1000.0) - 100.0
44) 1 MIXING RATIO (G/KG) RM G/KG = (N/ 1000.0) - 100.0
45) 1 EQUIVALENT POTENTIAL TEMPERATURE (K) ETHETA K = (N/ 1000.0) - 100.0
46) 1 AIRCRAFT INDICATED AIRSPEED (M/S) IASX M/S = (N/ 1000.0) - 100.0
47) 20 GIANNINI CAMERA FRAME VOLTAGE (VDC) EVCSD VDC = (N/ 1000.0) - 100.0
48) 20 GIANNINI CAMERA FRAME COUNT G CAM COUNT = (N/ 1.0) - 0.0
49) 20 AIRCRAFT PITCH ATTITUDE ANGLE (DEG) PITCH DEG = (N/ 1000.0) - 100.0
50) 20 AIRCRAFT ROLL ATTITUDE ANGLE (DEG) ROLL DEG = (N/ 1000.0) - 100.0
51) 20 AIRCRAFT TRUE HEADING (YAW) (DEG) THF DEG = (N/ 1000.0) - 100.0
THERE ARE 1 PHYSICAL RECORDS IN THE HEADER FILE
491A-17 CONVECTIVE STORMS -78 16JUL78
THIS FILE IS ALL OR PART OF THE TIME PERIOD 12 36 45 TO 14 29 30
DESCRIPTION OF TAPE:
HEADER FILE -- 832 BITS (104 ASCII CHARACTERS) PER LOGICAL RECORD
157 LOGICAL HEADER RECORDS PER PHYSICAL RECORD
130624 BITS PER PHYSICAL HEADER RECORD
DATA FILE -- 2920 BITS PER LOGICAL DATA RECORD
10 LOGICAL DATA RECORDS PER PHYSICAL RECORD
29200 BITS PER PHYSICAL DATA RECORD