FR828446A - Improvements in aircraft spotting processes - Google Patents
Improvements in aircraft spotting processesInfo
- Publication number
- FR828446A FR828446A FR828446DA FR828446A FR 828446 A FR828446 A FR 828446A FR 828446D A FR828446D A FR 828446DA FR 828446 A FR828446 A FR 828446A
- Authority
- FR
- France
- Prior art keywords
- aircraft
- spotting
- processes
- spotting processes
- aircraft spotting
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR828446T | 1937-01-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR828446A true FR828446A (en) | 1938-05-18 |
Family
ID=9283748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR828446D Expired FR828446A (en) | 1937-01-26 | 1937-01-26 | Improvements in aircraft spotting processes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR828446A (en) |
-
1937
- 1937-01-26 FR FR828446D patent/FR828446A/en not_active Expired
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