A sub-terahertz (THz) 3-D printed lightweight compact wideband dual-polarized feed module using an innovative asymmetric wideband orthomode transducer (OMT) is proposed. The OMT is based on a T-shaped ...
A 1950s "Twin D8," antique Holt, Best and Cat tractors and a 1931 film of Caterpillar's "The Great Tractor Race" made ...