TY - CONF AU - Craig Nelson AU - F Walls AU - F Ascarrunz AU - P Pond C2 - 1992 IEEE Frequency Control Symposium , Hershey, PA DA - 1992-01-01 LA - en PB - 1992 IEEE Frequency Control Symposium , Hershey, PA PY - 1992 TI - Progress on Prototype Synthesizer Electronics for 199Hg+ at 40.5 GHz ER -