Table 1

^ρ

true geometric range from satellite to receiver (m)

Δt^s

satellite clock error (s)

Δt^r

receiver clock error (s)

b ^s

satellite hardware bias (s)

b ^r

receiver hardware bias (s)

c

speed of light in a vacuum (m/s)

Δ_ion

ionospheric delay (m)

Δ_trop

tropospheric delay (m)

λ

wavelength of frequency (m)

N

carrier phase integer ambiguity (cycle)

𝝐

measurement noise (m)