Zenith hydrostatic delay model
atmosphere zenith delay
improved tropospheric zenith delay model
tropospheric zenith delay
delay variation delay and delay variation bounded
Bandwidth-delay and delay variation constrained
Delay differential equations with a variable delay
low delay and delay variation
Nonlinear stiff delay differential equations with a variable delay
squelch opening delay and closing delay
abstract of zenith distance
altitude correction of zenith difference
apparent zenith distance