A. G. Sonsteby

A new passive SSL technique for HF radiolocation

Richard L. Johnson, Q. R. Black, A. G. Sonsteby, 1992 .

HF multipath passive single site radio location

Richard L. Johnson, Q. R. Black, A. G. Sonsteby, 1994 .

A direction finding ionosonde for ionospheric propagation research

Q. R. Black, A. G. Sonsteby, W. M. Sherrill, 1993 .