172304 ⎘
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves; Systems for determining direction or deviation from predetermined direction Conical-scan beam systems using signals indicative of the deviation of the direction of reception from the scan axis
ANTENNA SYSTEMS AND METHODS FOR TRACKING NON-GEOSYNCHRONOUS SATELLITES
#2DETERMINATION OF ELECTRONIC BEAM STEERING ANGLES
#3RECONFIGURABLE OFFSET ANGLE-ERROR MEASUREMENT AND TRACKING TECHNIQUE
#4DETERMINATION OF SPATIAL ORIENTATION
#5ANTENNA SYSTEMS AND METHODS FOR TRACKING NON-GEOSYNCHRONOUS SATELLITES
#6Satellite tracking system and method thereof
#7Blind area tracking method and apparatus for directional antenna and motion tracking system
#8METHOD AND APPARATUS FOR ALIGNING PHASED ARRAY ANTENNA, AND PHASED ARRAY ANTENNA
#9Robust VSAT tracking algorithm
#10System and Method For Maintaining Antenna Pointing Accuracy During Periods of GPS Outage
#11Signal Waveform Construction for Position Determination by Scrambled Conical
#12Phased array antenna beam tracking with difference patterns
#13Satellite tracking antenna system and method therefor
#14Determination of spatial orientation
#15Short baseline interferometer (sbi) geolocation using nelder-mead