ALTERR= -.35 + .50/(1.+(psm/410.)**(-25))
- (.15/(1.+(psm/640.)**(-12))
where psm is measured static pressure
These aforementioned equations are the results from a trailing
cone flight.
TYPE 4 - Original Data Record
Array Location
| Description
|
1 | Type of record (4)
|
2 | Number of words in record (222)
|
3 | MS byte: Slow tape ID
LS byte: Aircraft #
|
4 | Size of slow tape logical record = 220
|
5-10 | Micro 29 time - yr,mo,da,hr,mn,sc
|
11-13 | Time based generator 1 - hr,mn,sc; binary (not BCD)
|
14-16 | Time based generator 2 - same as TBG 1
|
17-19 | GPS time of fix - hr, min,sec; same as TBG's
|
20-21 | GPS altitude - MS bit = -102400*32 ft
|
22-23 | GPS latitude - MS bit = -PI*4 radians
|
24-25 | GPS longitude - MS bit = -PI*4 radians
|
26-27 | GPS north vel. - MS bit = -1638.4*2 knots
|
28-29 | GPS east vel. - MS bit = -1638.4*2 knots
|
30-31 | GPS vert. vel. - MS bit = -2048*2 ft/s
|
32-39 | GPS spare
|
40 | GPS north accel. - MS bit = -128 m/s**2
|
41 | GPS east accel. - MS bit = -128 m/s**2
|
42 | GPS vert. accel. - MS bit = -128 m/s**2
|
43 | GPS Chan 1 status 1 (see rcvr 3M specs for bit assignments
|
44 | GPS Chan 1 status 2 (same as status 1)
|
45-52 | GPS Chan 2-5 status (same as chan 1 status 1&2)
|
53 | GPS Figure of Merit word - see rcvr 3M spec.
Note: Time FOM from word 64 is in reserved bits
(12,11,5,4 in HP notation; 3,4,10,11 in 3M)
|
54 | GPS expected horiz error - LS bit = 1 meter
|
55 | GPS expected vert error - LS bit = 1 meter
|
56 | GPS spare
|
57-58 | INE 1 Altitude - MS bit = -102400*32 ft
|
59-60 | INE 1 Latitude - MS bit = -PI*4 radians
|
61-62 | INE 1 Longitude - MS bit =-PI*4 radians
|
63-64 | INE 1 North Vel. - MS bit = -1638.4*2 knots
|
65-66 | INE 1 East Vel. - MS bit = -1638.4*2 knots
|
67-68 | INE 1 Vert speed - MS bit = -2048*2 ft/s
|
69-70 | INE 1 Drift Angle - MS bit = -PI*4 radians
|
71-72 | INE 1 Heading - MS bit = -PI*4 radians
|
73-74 | INE 1 Pitch Angle - MS bit = -PI*4 radians
|
75-76 | INE 1 Roll Angle - MS bit = -PI*4 radians
|
77-96 | INE 2 Data - Same as INE 1
|
97 | APN 232 RA data in meters; 1 sec avg
|
98 | Spare; 1 sec avg
|
99 | Spare; 1 sec avg
|
100 | RA - APN159 Synchro data in meters; 1 sec avg
|
101 | RA - APN159 digital encoder in meters
|
102 | # of INE bursts av'd this sec; MS byte:INE 1 LS byte:INE 2
|
103 | GPS and APN232 RA burst count;
ms nybble - GPS lat/lon/alt burst count
LS byte - APN232 RA number of words averaged this second.
|
104 | # of ISEC word 98 and 99 samples avg this second;
ms byte- ISEC(98)
ls byte- ISEC(99)
|
105 | Dig_Err: Error flags for Dig. Avg; bit 0 for APN232, etc.
|
106 | Spare
|
107 | ADC unit status - from ADC slow data burst
|
108 | IAU unit status - from IAU burst
|
109 | Operator selections: MS nybble - temp probe
nybble 2 - nav. unit
nybble 3 - alt. source
ls nybl - dewpoint unit
|
110 | Status from Wing Wiring Junction Box
|
111 | Status from Cloud Physics Station
|
112 | Status from Flight Director Station
|
113 | Spare
|
114 | Event switch data - Nav, Sta1, Sta2, Sta3
|
115 | Event switch data - Nrack, Sta5, C3X, Sta7
|
116 | Event switch data - F/D, Pilot
|
117 | Spare
|
118 | Spare
|
119 | Formvar count (optional)
|
120 | Formvar speed (optional)
|
121-129 | Loran information (optional)
|
130-140 | Spare
|
141 | M99 10 msec tic when time was read
- use for clock drift tracking.
|
142 | J-W Liquid water
|
143 | RMST TOTAL TEMP #1
|
144 | RMST TOTAL TEMP #2
|
145 | Dew Point 1 (DW1) GENERAL EASTERN
|
146 | AP Alpha (attack) Pressure
|
147 | DAP Differential Alpha Pressure
|
148 | BP Beta (slip) Pressure
|
149 | DBP Differential Beta (slip) pressure
|
150 | PSW Rosemount static pressure from wingtip(#1281)
|
151 | PQW Rosemount dynamic pressure from win#tip(#1281)
|
152 | RD Radiometer Down measures SST (PRT-5)
|
153 | Spare
|
154 | RS Side (CO2) radiometer temperature
|
155 | Spare
|
156 | Vertical Acceleration 2
|
157 | Vertical Acceleration 1
|
158 | RADOME ATTACK PRESSURE
|
159 | RADOME SIDESLIP PRESSURE
|
160 | RADOME DIFF. PRESSURE (RPQ)
|
161 | RADOME IMPACT PRESSURE
|
162 | Spare
|
163 | Spare
|
164 | Spare
|
165 | Spare
|
166 | A.O.C. DEWPOINT #2 (DW2)
|
167 | A.O.C. DEWPOINT #2 BALANCE
|
168 | AIR Lyman Hygrometer
|
169 | Dewpoint #3 EG&G
|
170-172 | Spare
|
173 | King Liquid water
|
174 | PSF - COPILOT ROSEMOUNT #1281 (FUSELAGE)
|
175 | PQF1 - COPILOT ROSEMOUNT #1281 (FUSELAGE)
|
176 | PQF2 - COPILOT ROSEMOUNT #1221F(FUSELAGE)
|
177-188 | Spare
|
189 | ODW Cabin Pressure (RSMT 1201F)
|
190 | AXBT CHANNEL #1
|
191 | AXBT CHANNEL #2
|
192 | AXBT CHANNEL #3
|
193 | UP Pyranometer 1 (Yellow)
|
194 | UP Pyranometer 2 (Red)
|
195 | UP Pyranometer 3 (Clear)
|
196 | UP Pyrgeometer
|
197 | UP Pyrgeometer Case Temp
|
198 | UP Pyrgeometer Dome Temp
|
199 | DOWN Pyranometer 1 (Yellow)
|
200 | DOWN Pyranometer 2 (Red)
|
201 | DOWN Pyranometer 3 (Clear)
|
202 | DOWN Pyrgeometer
|
203 | DOWN Pyrgeometer Case Temp
|
204 | DOWN Pyrgeometer Dome Temp
|
205 | UP PRT-5 RADIOMETER
|
206 | SFMR F1 - 4.630 GHz (optional)
|
207 | SFMR F2 - 5.915 GHz (optional)
|
208 | SFMR F3 - 6.771 GHz (optional)
|
210 | SFMR F5 - 6.344 GHz (optional)
|
211 | SFMR F6 - 5.056 GHz (optional)
|
212 | SFMR TempA - base (optional)
|
213 | SFMR TempB - ref (optional)
|
214 | SFMR TempD - antenna (optional)
|
215-221 | Spare
|
222 | Checksum for this second
|