ES422436A1 - Un sistema de aterrizaje por instrumentos utilizando dos portadoras. - Google Patents
Un sistema de aterrizaje por instrumentos utilizando dos portadoras.Info
- Publication number
- ES422436A1 ES422436A1 ES422436A ES422436A ES422436A1 ES 422436 A1 ES422436 A1 ES 422436A1 ES 422436 A ES422436 A ES 422436A ES 422436 A ES422436 A ES 422436A ES 422436 A1 ES422436 A1 ES 422436A1
- Authority
- ES
- Spain
- Prior art keywords
- mhz
- carrier frequency
- khz
- free space
- station
- 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
Links
Classifications
-
- 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)
- Radar Systems Or Details Thereof (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732302653 DE2302653C3 (de) | 1973-01-19 | Zweiträger-Instrumentenlandesystem |
Publications (1)
Publication Number | Publication Date |
---|---|
ES422436A1 true ES422436A1 (es) | 1976-05-01 |
Family
ID=5869454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES422436A Expired ES422436A1 (es) | 1973-01-19 | 1974-01-19 | Un sistema de aterrizaje por instrumentos utilizando dos portadoras. |
Country Status (3)
Country | Link |
---|---|
ES (1) | ES422436A1 (es) |
GB (1) | GB1452509A (es) |
ZA (1) | ZA7498B (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2380881B (en) * | 2001-10-10 | 2005-08-24 | Roke Manor Research | Method for estimating angle of arrival at a mobile terminal |
-
1973
- 1973-12-19 GB GB5873673A patent/GB1452509A/en not_active Expired
-
1974
- 1974-01-07 ZA ZA740098A patent/ZA7498B/xx unknown
- 1974-01-19 ES ES422436A patent/ES422436A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2302653B2 (de) | 1976-06-16 |
DE2302653A1 (de) | 1974-08-01 |
ZA7498B (en) | 1974-11-27 |
GB1452509A (en) | 1976-10-13 |
AU6438574A (en) | 1975-07-10 |
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