RDRARectangular Dielectric Resonator Antenna
RDRARegional Disaster Response Advisor
RDRARegional Disaster Reduction Advisor (UN; various locations)
RDRARemedial Design/Remedial Action (US EPA)
RDRARed Deer Regional Airport (Canada)
RDRARussian Drag Racing Association
References in periodicals archive ?
This RDRA array design does not include the coupling between the array element because wideband behavior is not required.
As compared to the RDRA, MPDRA with small metal plate there is reduction in resonant frequency.
Table 1 Summary statistics of variables to predict fixed financing 10-year pooled data Fixed Gross PE R&D Advertising financing, ratio, ratio, ratio, FFRATIO FASRA RDRA ADRA Mean 0.