GB577853A - Means for overcoming the effects of earth reflections in directional antenna systems - Google Patents

Means for overcoming the effects of earth reflections in directional antenna systems

Info

Publication number
GB577853A
GB577853A GB1455740A GB1455740A GB577853A GB 577853 A GB577853 A GB 577853A GB 1455740 A GB1455740 A GB 1455740A GB 1455740 A GB1455740 A GB 1455740A GB 577853 A GB577853 A GB 577853A
Authority
GB
United Kingdom
Prior art keywords
excited
rows
course
earth
series
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1455740A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to BE471723D priority Critical patent/BE471723A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB1455740A priority patent/GB577853A/en
Publication of GB577853A publication Critical patent/GB577853A/en
Priority to FR931309D priority patent/FR931309A/fr
Priority to ES0176095A priority patent/ES176095A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB1455740A 1940-09-25 1940-09-25 Means for overcoming the effects of earth reflections in directional antenna systems Expired GB577853A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE471723D BE471723A (en:Method) 1940-09-25
GB1455740A GB577853A (en) 1940-09-25 1940-09-25 Means for overcoming the effects of earth reflections in directional antenna systems
FR931309D FR931309A (fr) 1940-09-25 1946-07-25 Perfectionnements aux systèmes d'antennes dirigées
ES0176095A ES176095A1 (es) 1940-09-25 1946-12-14 MEJORAS EN SISTEMAS DE ANTENA DE RADIODIFUSIoN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1455740A GB577853A (en) 1940-09-25 1940-09-25 Means for overcoming the effects of earth reflections in directional antenna systems

Publications (1)

Publication Number Publication Date
GB577853A true GB577853A (en) 1946-06-04

Family

ID=10043382

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1455740A Expired GB577853A (en) 1940-09-25 1940-09-25 Means for overcoming the effects of earth reflections in directional antenna systems

Country Status (4)

Country Link
BE (1) BE471723A (en:Method)
ES (1) ES176095A1 (en:Method)
FR (1) FR931309A (en:Method)
GB (1) GB577853A (en:Method)

Also Published As

Publication number Publication date
BE471723A (en:Method)
FR931309A (fr) 1948-02-19
ES176095A1 (es) 1947-01-16

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