FR1370592A - Doppler navigation aid equipment comprising, in particular, a directional antenna system - Google Patents

Doppler navigation aid equipment comprising, in particular, a directional antenna system

Info

Publication number
FR1370592A
FR1370592A FR928535A FR928535A FR1370592A FR 1370592 A FR1370592 A FR 1370592A FR 928535 A FR928535 A FR 928535A FR 928535 A FR928535 A FR 928535A FR 1370592 A FR1370592 A FR 1370592A
Authority
FR
France
Prior art keywords
antenna system
directional antenna
navigation aid
aid equipment
doppler navigation
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
FR928535A
Other languages
French (fr)
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 claimed from GB10399/62A external-priority patent/GB967474A/en
Application filed by Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to FR928535A priority Critical patent/FR1370592A/en
Application granted granted Critical
Publication of FR1370592A publication Critical patent/FR1370592A/en
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
    • H01Q25/004—Antennas or antenna systems providing at least two radiating patterns providing two or four symmetrical beams for Janus application
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0037—Particular feeding systems linear waveguide fed arrays
    • H01Q21/0043—Slotted waveguides
    • H01Q21/005—Slotted waveguides arrays
FR928535A 1962-03-19 1963-03-19 Doppler navigation aid equipment comprising, in particular, a directional antenna system Expired FR1370592A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR928535A FR1370592A (en) 1962-03-19 1963-03-19 Doppler navigation aid equipment comprising, in particular, a directional antenna system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB10399/62A GB967474A (en) 1962-03-19 1962-03-19 Improvements in or relating to doppler navigation aiding equipments
FR928535A FR1370592A (en) 1962-03-19 1963-03-19 Doppler navigation aid equipment comprising, in particular, a directional antenna system

Publications (1)

Publication Number Publication Date
FR1370592A true FR1370592A (en) 1964-08-28

Family

ID=26200343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928535A Expired FR1370592A (en) 1962-03-19 1963-03-19 Doppler navigation aid equipment comprising, in particular, a directional antenna system

Country Status (1)

Country Link
FR (1) FR1370592A (en)

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