MDTRMinnesota Dirt Track Racing
MDTRMorrendo de Tanto Rir (Portuguese: Dying with Laughter)
References in periodicals archive ?
The ionospheric and tropospheric corrections that have been applied to the REFGPS value are listed in the MDIO and MDTR fields, respectively.
The slopes of REFSV, REFGPS, MDTR, and MDIO, each expressed in units of 0.
MDTR The modelled tropospheric delay correction for the satellite, in nanoseconds.