AN AID FOR PREDICTING RADAR REFRACTION IN THE POINT MUGU AREA
Abstract
A summary of propagation climatological data is compiled which is intended to aid Naval Weather Service personnel in forecasting and understanding the existing climatology of refractive-layer characteristics in the Point Mugu area. The Point Mugu area is defined as the immediate station and the area extending seaward to a radius of 75 miles. The following problems constitute the areas investigated and discussed: (1) What radar wavelengths are affected by ducting layers; (2) If ducting layers are not present, can increased radar ranges be expected for superrefractive conditions, or can decreased ranges be expected for subrefractive conditions at the transmitter site; (3) What transmitter-antenna elevation angles can be expected to be affected; (4) Where is the radar-lobe distortion (radar hole); (5) Is the ducting layer too high above the transmitter, thus causing the radar hole to be out of range; and (6) What is the horizontal extent of each type of layer. The study provides an operational foundation for the dissemination of existing measurements of atmospheric refractive index. A secondary function is to fill the need for a training aid as a ready source of information about complexities of radar propagation forecasting in the local area. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 27, 1962
- Accession Number
- AD0285052
Entities
People
- J.w. Stanfield