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MAP CONVERGENCY [5 records]
Record 1 - internal organization data 2002-07-16
Record 1, English
Record 1, Subject field(s)
- Astrophysics and Cosmography
- Navigation Instruments
- Aircraft Piloting and Navigation
Record 1, Main entry term, English
- Earth convergency
1, record 1, English, Earth%20convergency
correct
Record 1, Abbreviations, English
- EC 2, record 1, English, EC
correct
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
From 1954-56 Greenaway served with the USAF Strategic Air Command on many arctic Flights aboard B47 and B52 aircraft. At this time he worked on gyro steering techniques and developing the Earth Convergency Grid which was put to civil use by Scandinavian Airline System on their trans polar flights. 3, record 1, English, - Earth%20convergency
Record number: 1, Textual support number: 2 CONT
RTW [residual transport wander] is the difference between Earth convergency(EC) and map convergency(MC), however it is expressed as a rate since the error depends also upon the vehicle velocity. Therefore the average RTW rate is a function of earth convergency, map convergency and elapsed time. 2, record 1, English, - Earth%20convergency
Record 1, French
Record 1, Domaine(s)
- Astrophysique et cosmographie
- Instruments de navigation
- Pilotage et navigation aérienne
Record 1, Main entry term, French
- convergence terrestre
1, record 1, French, convergence%20terrestre
feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- convergence de la Terre 2, record 1, French, convergence%20de%20la%20Terre
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La déviation apparente résiduelle (R.T.W.) est la différence entre la convergence de la Terre et la convergence sur la carte; cependant elle est exprimée en taux, puisque cette erreur dépend aussi de la vitesse du véhicule. Alors le taux moyen de la déviation apparente résiduelle dépend de la convergence de la Terre, la convergence sur la carte et aussi du temps écoulé. 2, record 1, French, - convergence%20terrestre
Record number: 1, Textual support number: 2 CONT
Sur une carte, on a relevé au point A une inclinaison grille de 22,5° et au point B une inclinaison grille de 5,5°. Entre ces deux points la convergence terrestre est de 19°. 1, record 1, French, - convergence%20terrestre
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2001-08-10
Record 2, English
Record 2, Subject field(s)
- General Mechanics (Physics)
- Aircraft Piloting and Navigation
- Navigation Instruments
- Flight Instruments and Equipment (Aeroindustry)
Record 2, Main entry term, English
- negative RTW
1, record 2, English, negative%20RTW
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- negative residual transport wander 2, record 2, English, negative%20residual%20transport%20wander
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Residual transport wander(RTW) is the apparent wander of a perfect earth-rate corrected D. G. [directional gyro] with respect to the directional reference,(celestial or geographic) to which the D. G. was initially aligned. RTW is the difference between earth convergency(EC) and map convergency(MC)... The RTW will be negative below the parallel of origin and positive above it. 1, record 2, English, - negative%20RTW
Record 2, French
Record 2, Domaine(s)
- Mécanique générale (Physique)
- Pilotage et navigation aérienne
- Instruments de navigation
- Instruments et équipement de bord (Constructions aéronautiques)
Record 2, Main entry term, French
- déviation apparente résiduelle négative
1, record 2, French, d%C3%A9viation%20apparente%20r%C3%A9siduelle%20n%C3%A9gative
feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
La déviation apparente résiduelle (R.T.W.) est la déviation apparente d'un gyroscope directionnel [...] de haute précision qui a été corrigé pour la précession de la terre, par rapport au point de référence directionnelle auquel le gyroscope fut aligné en premier lieu. La déviation apparente résiduelle [...] est la différence entre la convergence de la terre et la convergence sur la carte; [...] La déviation apparente résiduelle [...] sera négative au-dessous de la parallèle d'origine et positive au-dessus. 1, record 2, French, - d%C3%A9viation%20apparente%20r%C3%A9siduelle%20n%C3%A9gative
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2001-08-10
Record 3, English
Record 3, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 3, Main entry term, English
- positive RTW
1, record 3, English, positive%20RTW
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- positive residual transport wander 2, record 3, English, positive%20residual%20transport%20wander
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Residual transport wander(RTW) is the apparent wander of a perfect earth-rate corrected D. G. [directional gyro] with respect to the directional reference,(celestial or geographic) to which the D. G. was initially aligned. RTW is the difference between earth convergency(EC) and map convergency(MC)... The RTW will be negative below the parallel of origin and positive above it. 1, record 3, English, - positive%20RTW
Record 3, French
Record 3, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 3, Main entry term, French
- déviation apparente résiduelle positive
1, record 3, French, d%C3%A9viation%20apparente%20r%C3%A9siduelle%20positive
feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
La déviation apparente résiduelle (R.T.W.) est la déviation apparente d'un gyroscope directionnel [...] de haute précision qui a été corrigé pour la précession de la terre, par rapport au point de référence directionnelle auquel le gyroscope fut aligné en premier lieu. La déviation apparente résiduelle [...] est la différence entre la convergence de la terre et la convergence sur la carte; [...] La déviation apparente résiduelle [...] sera négative au-dessous de la parallèle d'origine et positive au-dessus. 1, record 3, French, - d%C3%A9viation%20apparente%20r%C3%A9siduelle%20positive
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2001-08-10
Record 4, English
Record 4, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 4, Main entry term, English
- constant gyro heading
1, record 4, English, constant%20gyro%20heading
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Constant gyro headings generate great circle tracks, however, for the Lambert conformal map, map convergency is the product of a change in longitude and the constant of the cone of the map. 1, record 4, English, - constant%20gyro%20heading
Record 4, French
Record 4, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 4, Main entry term, French
- cap gyroscopique constant
1, record 4, French, cap%20gyroscopique%20constant
masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Les caps gyroscopiques constants engendrent des routes de grand cercle; cependant, sur la carte conforme de Lambert, la convergence de la carte est le produit d'un changement de longitude par la constante du cône de la carte. 1, record 4, French, - cap%20gyroscopique%20constant
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2001-08-09
Record 5, English
Record 5, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 5, Main entry term, English
- residual transport wander
1, record 5, English, residual%20transport%20wander
correct
Record 5, Abbreviations, English
- RTW 2, record 5, English, RTW
correct
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
Residual transport wander(RTW) is the apparent wander of a perfect earth-rate corrected D. G. [directional gyro] with respect to the directional reference,(celestial or geographic) to which the D. G. was initially aligned. RTW is the difference between earth convergency(EC) and map convergency(MC)... The RTW will be negative below the parallel of origin and positive above it. 2, record 5, English, - residual%20transport%20wander
Record 5, French
Record 5, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 5, Main entry term, French
- déviation apparente résiduelle
1, record 5, French, d%C3%A9viation%20apparente%20r%C3%A9siduelle
feminine noun
Record 5, Abbreviations, French
- R.T.W. 1, record 5, French, R%2ET%2EW%2E
feminine noun
Record 5, Synonyms, French
- dérive apparente résiduelle 2, record 5, French, d%C3%A9rive%20apparente%20r%C3%A9siduelle
feminine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
La déviation apparente résiduelle (R.T.W.) est la déviation apparente d'un gyroscope directionnel [...] de haute précision qui a été corrigé pour la précession de la terre, par rapport au point de référence directionnelle auquel le gyroscope fut aligné en premier lieu. La déviation apparente résiduelle [...] est la différence entre la convergence de la terre et la convergence sur la carte; [...] La déviation apparente résiduelle [...] sera négative au-dessous de la parallèle d'origine et positive au-dessus. 1, record 5, French, - d%C3%A9viation%20apparente%20r%C3%A9siduelle
Record 5, Spanish
Record 5, Textual support, Spanish
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