Radiosonde and tracking system

• US 3,199,101 A
• Filed: 09/16/1960
• Issued: 08/03/1965
• Est. Priority Date: 09/16/1960
• Status: Expired due to Term

• Current Assignee: Paul G. Hansel
• Original Assignee: Paul G. Hansel
• Inventors: Hansel, Paul G.
• Application Number:
  US04/056,598
• Time in Patent Office: 1,782 Days
• US Class Current: 342/50
• CPC Class Codes: G01S 13/68 for angle tracking only
• CPC Class Codes: G01S 13/765 with exchange of information between interrogator and responder
• CPC Class Codes: G01S 13/825 with exchange of information between interrogator and responder
• CPC Class Codes: G01S 13/84 for distance determination by phase measurement

Claims

1. A RADIOSONDE AND TRACKING SYSTEM, COMPRISING A TRACKING STATION HAVING MEANS FOR GENERATING A CARRIER WAVE, MEANS FOR MODULATING THE CARRIER WAVE WITH A SIGNAL OF PREDETERMINED FREQUENCY, MEANS FOR TRANSMITTING THE SIGNAL MODULATED CARRIER WAVE, DIRECTIONAL COUPLING MEANS HAVING A LEAKAGE OUTPUT, AND FEEDBACK MEANS INCLUDING TRACKING STATION MODULATION DETECTING MEANS COUPLED TO RECEIVE SAID LEAKAGE OUTPUT TO DEVELOP A FEEDBACK SIGNAL THEREFROM, SAID FEEDBACK MEANS FEEDING SAID SIGNAL TO SAID MODULATING MEANS IN A PHASE REVERSE TO THAT OF SAID MODULATION TO CANCEL THE INHERENT DISTORTION THEREIN;

RADIOSONDE MEANS FOR RECEIVING THE TRACKING STATION TRANSMITTED WAVE, AND INCLUDING MEANS FOR DETECTING SAID MODULATION SIGNAL, RADIOSONDE MEANS FOR COLLECTING METEOROLOGICAL INFORMATION, AND CONVERTING SUCH INFORMATION INTO DATA SIGNALS, A SOURCE OF RADIOSONDE CARRIER WAVES, MEANS FOR MODULATING SAID RADIOSONDE CARRIER WAVES WITH SAID MODULATION SIGNAL AND DATA SIGNALS, AND MEANS FOR RETRANSMITTING THE MODULATED RADIOSONDE CARRIER WAVES TO SAID TRACKING STATION;

SAID TRACKING STATION FURTHER COMPRISING MEANS FOR RECEIVING SAID MODULATED RADIOSONDE CARRIER WAVES, AND MEANS COUPLED TO SAID LAST MENTIONED MEANS FOR TRACKING SAID RADIOSONDE.