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9. ___ have been used to measure distances by i) Micro Wave
means of direct comparison. Instruments

Task 2. Math the English words and word-combinations with
the Ukrainian counterparts.

1. Prism reflector a) магнітометр на тринозі
2. Measuring rope b) швидкість хвилі

3. Tripod-mounted bar c) електромагнітна енергія
4. Graduated tape d) призмовий відбивач
5. The velocity of wave e) лінія зйомки
6. Slope distance f) мірна стрічка

7. Wave length g) відстань по схилу
8. Electromagnetic energy h) pулетка
9. Survey line i) відстань між точками

10. Survey route j) довжина хвилі
11. Inter-point distance k) полярні координати
12. Polar coordinate l) знімальний маршрут

Task 3. a) Match the instrument with its usage;

1. ___ measure distances by means of direct a) EDMI
comparison

2. ___ may be suitable for very rough reconnaissance b) GPS
surveys or approximate estimation.
3. ___ measurements provide inter-point distances c) Graduate

over any distance and without the need for inter- d tapes
visibility.
4. ___ determine lengths using phase changes that d) Pacing

occur as electromagnetic energy of known
wavelength travels from one end of a line to the other
end and returns.

b) Match the general electromagnetic distance measuring
instrument with the specific EDM instrument according to
the text. Make up your own sentences

General EDMI Type of waves Specific EDMI
І. Infrared Wave Instruments a) micro waves 1. Geodimeter
ІІ. Light Wave Instruments b) infrared waves 2. Tellurometers
ІІІ. Micro Wave Instruments c) light waves 3. Prism reflectors

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