Ron,

One advantage the Stepir has is that it's frequency selective. That
means that your effective dynamic range in the presence of strong
out-of-band signals will be greater than for the same receiver using a
log periodic antenna (or using a tribander for that matter.)

73,
Bob AD3K

--
Robert L. Spooner
Registered Professional Engineer
Associate Research Engineer
Intelligent Control Systems Department

Applied Research Laboratory Phone: (814) 863-4120
The Pennsylvania State University FAX: (814) 863-7841
P. O. Box 30
State College, PA 16804-0030