New circularly polarized frequency independent antennas with conical beam or omnidirectional patterns /

"Contract AF33(616)-6079 Project No. 9-(13-6278) Task 40572. Sponsored by: Wright Air Development Center"

The coupling and mutual impedance between balanced wire-arm conical log-spiral antennas /

Includes bibliographical references (76-77)

On increasing the effective aperture of antennas by data processing /

Includes bibliographical references (p. 58-59)