{TAIL ~ Waveguides} fabricated in accordance with the invention enjoy the advantage of being readily installed with good alignment into waveguide connectors of {HEAD ~ the type} which possess a pre aligned bore 
{ TAIL ~ Waveguides } fabricated in accordance with the invention enjoy the advantage of being readily installed with good alignment into waveguide connectors of { HEAD ~ the type } which possess a pre aligned bore
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH