TAMDAR Instrument Accuracy

Parameter

Range

Accuracy

 

Resolution

Latency (See
Note 1)

Comments

Pressure

10 -101 kPa

2 hPa

0.05 hPa

10 sec

See Note2.

Temperature

-70 to +65 C

+/- 1 C

0.1 C

10 sec

 

Humidity

0 to 100%RH

+/- 5% (typical)

+/-
10% (typical)

1% (RH > 10%)

0.1% (RH < 10%)

10 sec

Below Mach 0.4

Mach 0.4 - 0.6

(RH from 2 separate
sensors is reported)

Heading

0-360 deg

+/- 1 deg

0.1 deg

10 sec

@ < 30 deg pitch & roll

Ice Detection

 

0.020 inch

 

 

 

Parameter

Range

Accuracy

 

Resolution

Latency

Comments

Pressure Altitude

0 – 25,000 ft.

+/- 150 feet

10 feet

10 sec

See Note 2

Pressure Altitude

25,000  – 50,000 ft.

+/- 250 feet

10 feet

10 sec

See Note 2

Indicated Airspeed

70-270 knots

+/- 3 knots

1 knot

10 sec

See Note 2

True Airspeed

70-450 knots

+/- 4 knots

1 knot

10 sec

See Note 2

Turbulence (eddy dissipation rate); Peak and Median

0-1 m2/3 sec-1

 

 

3 sec

See Note 3.

Reported as single encoded character (see TAMDAR Downlink Data Format).

Winds Aloft

 

+/- 6 knots vector magnitude error

1 knot,

1 deg

10 sec

See Note 4.

Accuracy depends on relative magnitude and direction of vectors.

 

 

 

 

 


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