GB683687A - Improvements in or relating to navigation aiding radio systems - Google Patents
Improvements in or relating to navigation aiding radio systemsInfo
- Publication number
- GB683687A GB683687A GB230949A GB230949A GB683687A GB 683687 A GB683687 A GB 683687A GB 230949 A GB230949 A GB 230949A GB 230949 A GB230949 A GB 230949A GB 683687 A GB683687 A GB 683687A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signals
- frequency
- stations
- mean frequency
- frequencies
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL727204843A NL151300B (nl) | 1949-01-27 | Inrichting voor het in een zigzagpatroon aanbrengen van ten minste een continue textielversterking op een draagvlak. | |
| NL83423D NL83423C (enrdf_load_stackoverflow) | 1949-01-27 | ||
| GB230949A GB683687A (en) | 1949-01-27 | 1949-01-27 | Improvements in or relating to navigation aiding radio systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB230949A GB683687A (en) | 1949-01-27 | 1949-01-27 | Improvements in or relating to navigation aiding radio systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB683687A true GB683687A (en) | 1952-12-03 |
Family
ID=9737292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB230949A Expired GB683687A (en) | 1949-01-27 | 1949-01-27 | Improvements in or relating to navigation aiding radio systems |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB683687A (enrdf_load_stackoverflow) |
| NL (2) | NL83423C (enrdf_load_stackoverflow) |
-
0
- NL NL727204843A patent/NL151300B/xx unknown
- NL NL83423D patent/NL83423C/xx active
-
1949
- 1949-01-27 GB GB230949A patent/GB683687A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL151300B (nl) | |
| NL83423C (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB581344A (en) | Improvements in or relating to systems of secret radio communication | |
| GB357640A (en) | Improvements in or relating to radio direction finding systems | |
| GB563686A (en) | Detection system for very short waves, modulated in angular velocity | |
| GB548599A (en) | Improvements in frequency modulation systems for radio communication | |
| GB578479A (en) | Improvements in or relating to radio navigational systems | |
| GB683687A (en) | Improvements in or relating to navigation aiding radio systems | |
| GB467013A (en) | Improvements in or relating to directional radio systems | |
| GB542005A (en) | Improvements in radio transmission systems | |
| GB630867A (en) | Improvements in or relating to radio position-indicating systems | |
| US2471648A (en) | Equisignal radio beacon system | |
| GB409298A (en) | Improvements in or relating to radio direction determining systems | |
| GB442164A (en) | Improvements in or relating to directional wireless systems | |
| GB663775A (en) | Radio position determining system | |
| GB694549A (en) | Improvements in or relating to radio navigation | |
| GB1183458A (en) | Distance Measuring | |
| GB609191A (en) | Radio beacon system | |
| GB1024242A (en) | Radio navigation system | |
| GB236647A (en) | Improvements in radio signalling systems | |
| GB724059A (en) | Radio navigation systems | |
| GB594887A (en) | Improvement in radio position finding | |
| JPS5642448A (en) | Radio transmission-reception system | |
| US2536433A (en) | Radio navigational aid | |
| GB525182A (en) | Method of and means for determining directly a bearing by means of a radio beacon | |
| GB607371A (en) | Improvements in or relating to radio navigational aids or systems | |
| GB734625A (en) | Improvements relating to speaking radio beacons |